/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_spec7_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:05:51,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:05:51,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:05:51,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:05:51,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:05:51,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:05:51,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:05:51,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:05:51,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:05:51,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:05:51,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:05:51,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:05:51,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:05:51,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:05:51,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:05:51,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:05:51,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:05:51,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:05:51,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:05:51,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:05:51,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:05:51,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:05:51,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:05:51,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:05:51,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:05:51,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:05:51,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:05:51,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:05:51,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:05:51,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:05:51,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:05:51,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:05:51,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:05:51,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:05:52,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:05:52,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:05:52,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:05:52,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:05:52,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:05:52,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:05:52,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:05:52,009 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 03:05:52,041 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:05:52,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:05:52,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:05:52,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:05:52,045 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:05:52,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:05:52,046 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:05:52,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:05:52,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:05:52,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:05:52,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:05:52,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:05:52,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:05:52,050 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:05:52,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:05:52,050 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:05:52,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:05:52,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:05:52,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:05:52,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:05:52,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:05:52,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:05:52,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:05:52,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:05:52,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:05:52,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:05:52,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:05:52,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:05:52,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:05:52,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:05:52,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:05:52,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:05:52,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:05:52,513 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:05:52,515 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:05:52,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product17.cil.c [2020-10-27 03:05:52,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56c6f066e/adb25dfa5b8245a89e29c493d2d65669/FLAG602d34893 [2020-10-27 03:05:53,305 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:05:53,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec7_product17.cil.c [2020-10-27 03:05:53,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56c6f066e/adb25dfa5b8245a89e29c493d2d65669/FLAG602d34893 [2020-10-27 03:05:53,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56c6f066e/adb25dfa5b8245a89e29c493d2d65669 [2020-10-27 03:05:53,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:05:53,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:05:53,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:05:53,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:05:53,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:05:53,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:05:53" (1/1) ... [2020-10-27 03:05:53,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7984a75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:05:53, skipping insertion in model container [2020-10-27 03:05:53,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:05:53" (1/1) ... [2020-10-27 03:05:53,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:05:53,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:05:54,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:05:54,296 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:05:54,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:05:54,530 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:05:54,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:05:54 WrapperNode [2020-10-27 03:05:54,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:05:54,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:05:54,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:05:54,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:05:54,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:05:54" (1/1) ... [2020-10-27 03:05:54,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:05:54" (1/1) ... [2020-10-27 03:05:54,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:05:54" (1/1) ... [2020-10-27 03:05:54,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:05:54" (1/1) ... [2020-10-27 03:05:54,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:05:54" (1/1) ... [2020-10-27 03:05:54,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:05:54" (1/1) ... [2020-10-27 03:05:54,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:05:54" (1/1) ... [2020-10-27 03:05:54,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:05:54,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:05:54,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:05:54,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:05:54,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:05:54" (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 03:05:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:05:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:05:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:05:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:05:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-27 03:05:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:05:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:05:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:05:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:05:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:05:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:05:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 03:05:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 03:05:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 03:05:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 03:05:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 03:05:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 03:05:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 03:05:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 03:05:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 03:05:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 03:05:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 03:05:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 03:05:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 03:05:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 03:05:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 03:05:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 03:05:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 03:05:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 03:05:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 03:05:54,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 03:05:54,830 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 03:05:54,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 03:05:54,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 03:05:54,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 03:05:54,830 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 03:05:54,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 03:05:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 03:05:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 03:05:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 03:05:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 03:05:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 03:05:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 03:05:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 03:05:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 03:05:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 03:05:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 03:05:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 03:05:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 03:05:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 03:05:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 03:05:54,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 03:05:54,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 03:05:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 03:05:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 03:05:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 03:05:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 03:05:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 03:05:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 03:05:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 03:05:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 03:05:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 03:05:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2020-10-27 03:05:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2020-10-27 03:05:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 03:05:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 03:05:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 03:05:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 03:05:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:05:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:05:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:05:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:05:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:05:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:05:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 03:05:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 03:05:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 03:05:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 03:05:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 03:05:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 03:05:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 03:05:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 03:05:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:05:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:05:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 03:05:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 03:05:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 03:05:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 03:05:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 03:05:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 03:05:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 03:05:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 03:05:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 03:05:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-27 03:05:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 03:05:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 03:05:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2020-10-27 03:05:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 03:05:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 03:05:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 03:05:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 03:05:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 03:05:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 03:05:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 03:05:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 03:05:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 03:05:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 03:05:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 03:05:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 03:05:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-27 03:05:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 03:05:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 03:05:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:05:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:05:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:05:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:05:54,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:05:54,848 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:05:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 03:05:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-27 03:05:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:05:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:05:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:05:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:05:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:05:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:05:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:05:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:05:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:05:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:05:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:05:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:05:54,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:05:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:05:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:05:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:05:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 03:05:54,857 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 03:05:54,857 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 03:05:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 03:05:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 03:05:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 03:05:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 03:05:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 03:05:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 03:05:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 03:05:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 03:05:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 03:05:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 03:05:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 03:05:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 03:05:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 03:05:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 03:05:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 03:05:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 03:05:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 03:05:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 03:05:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 03:05:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 03:05:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 03:05:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 03:05:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 03:05:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 03:05:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 03:05:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 03:05:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 03:05:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 03:05:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 03:05:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 03:05:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 03:05:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 03:05:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 03:05:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 03:05:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 03:05:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 03:05:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 03:05:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 03:05:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 03:05:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 03:05:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 03:05:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 03:05:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 03:05:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 03:05:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 03:05:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 03:05:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 03:05:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 03:05:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 03:05:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 03:05:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 03:05:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2020-10-27 03:05:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2020-10-27 03:05:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:05:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:05:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:05:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:05:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 03:05:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 03:05:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 03:05:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 03:05:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 03:05:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-27 03:05:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 03:05:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 03:05:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 03:05:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:05:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 03:05:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 03:05:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 03:05:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 03:05:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 03:05:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 03:05:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 03:05:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 03:05:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 03:05:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 03:05:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 03:05:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:05:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:05:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 03:05:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 03:05:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 03:05:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 03:05:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 03:05:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 03:05:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 03:05:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 03:05:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 03:05:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 03:05:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 03:05:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-27 03:05:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 03:05:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 03:05:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 03:05:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2020-10-27 03:05:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 03:05:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:05:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:05:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:05:57,302 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:05:57,302 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 03:05:57,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:05:57 BoogieIcfgContainer [2020-10-27 03:05:57,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:05:57,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:05:57,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:05:57,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:05:57,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:05:53" (1/3) ... [2020-10-27 03:05:57,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152c3294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:05:57, skipping insertion in model container [2020-10-27 03:05:57,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:05:54" (2/3) ... [2020-10-27 03:05:57,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152c3294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:05:57, skipping insertion in model container [2020-10-27 03:05:57,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:05:57" (3/3) ... [2020-10-27 03:05:57,314 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec7_product17.cil.c [2020-10-27 03:05:57,326 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:05:57,332 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:05:57,345 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:05:57,378 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:05:57,378 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:05:57,378 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:05:57,378 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:05:57,378 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:05:57,378 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:05:57,379 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:05:57,379 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:05:57,410 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states. [2020-10-27 03:05:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 03:05:57,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:05:57,438 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:05:57,438 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 03:05:57,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:05:57,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1942665463, now seen corresponding path program 1 times [2020-10-27 03:05:57,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:05:57,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2024237909] [2020-10-27 03:05:57,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:05:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:05:58,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:05:58,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:05:58,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:05:58,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:00,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:02,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:02,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-27 03:06:02,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:06:02,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-27 03:06:02,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:02,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:06:02,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 03:06:02,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:06:02,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-27 03:06:05,250 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 03:06:05,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:06:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:05,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:05,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:05,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:06:05,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:05,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 03:06:05,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:05,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:05,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:05,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:05,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:05,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:06:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:05,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:05,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:05,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:06:05,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:05,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:05,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:05,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:05,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:05,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:05,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:05,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:06:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:05,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:05,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:05,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:06:05,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:05,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:05,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:05,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:05,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:05,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:05,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:06:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:05,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:05,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:05,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:06:05,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:05,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:05,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:05,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:05,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:05,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:05,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:05,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:06:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:05,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:05,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:05,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:05,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:10,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:10,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 03:06:10,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:06:10,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 03:06:10,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:10,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:06:10,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 03:06:10,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:06:10,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:10,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:10,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:10,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:10,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:06:10,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:10,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:06:10,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:10,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:10,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:10,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:10,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:10,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:06:10,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:10,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:06:10,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:10,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:10,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:10,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:10,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:10,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:10,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:10,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:06:10,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:10,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:10,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:10,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:10,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:10,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:06:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:10,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:10,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:10,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:10,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:10,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:10,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:10,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:10,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:10,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:06:10,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:06:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:10,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:10,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:10,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:10,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:06:10,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:06:10,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-27 03:06:10,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:10,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:06:10,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:06:10,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:06:10,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:06:10,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:10,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:10,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:10,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:06:10,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:10,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:06:10,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:10,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:06:10,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:10,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:06:10,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:10,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:10,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:10,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:10,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:10,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:10,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 03:06:10,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:06:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:06:10,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:10,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:06:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:11,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:06:11,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:06:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:06:11,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:06:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:06:11,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:06:11,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 03:06:11,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:06:11,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:06:11,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:11,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:11,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:11,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:06:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:11,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:11,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 03:06:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:06:11,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:06:11,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:06:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:11,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:11,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:11,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:06:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:11,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:11,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:11,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 03:06:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:06:11,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:06:11,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:06:11,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:11,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:11,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 03:06:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:11,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:11,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:06:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 03:06:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:11,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:06:11,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:06:11,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:06:11,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 03:06:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:11,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:11,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:06:11,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 03:06:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:11,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:06:11,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:06:11,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 03:06:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:11,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:11,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:11,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:06:11,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:11,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:06:11,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:11,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:11,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:06:11,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:11,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:11,365 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 03:06:11,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2024237909] [2020-10-27 03:06:11,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:06:11,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 03:06:11,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685741322] [2020-10-27 03:06:11,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 03:06:11,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:06:11,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 03:06:11,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:06:11,390 INFO L87 Difference]: Start difference. First operand 540 states. Second operand 18 states. [2020-10-27 03:06:16,107 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 03:06:19,077 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 03:06:21,176 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 03:06:23,299 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 03:06:25,353 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 03:06:49,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:06:49,255 INFO L93 Difference]: Finished difference Result 1486 states and 2313 transitions. [2020-10-27 03:06:49,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-27 03:06:49,258 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 160 [2020-10-27 03:06:49,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:06:49,293 INFO L225 Difference]: With dead ends: 1486 [2020-10-27 03:06:49,294 INFO L226 Difference]: Without dead ends: 865 [2020-10-27 03:06:49,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2033 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=1159, Invalid=4693, Unknown=0, NotChecked=0, Total=5852 [2020-10-27 03:06:49,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2020-10-27 03:06:49,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 500. [2020-10-27 03:06:49,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-10-27 03:06:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 685 transitions. [2020-10-27 03:06:49,687 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 685 transitions. Word has length 160 [2020-10-27 03:06:49,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:06:49,688 INFO L481 AbstractCegarLoop]: Abstraction has 500 states and 685 transitions. [2020-10-27 03:06:49,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 03:06:49,689 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 685 transitions. [2020-10-27 03:06:49,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-27 03:06:49,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:06:49,697 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:06:49,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:06:49,698 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 03:06:49,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:06:49,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1869853737, now seen corresponding path program 1 times [2020-10-27 03:06:49,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:06:49,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399231966] [2020-10-27 03:06:49,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:06:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:53,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:54,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:54,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-27 03:06:54,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:06:54,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-27 03:06:54,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:54,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:06:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 03:06:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:06:54,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:56,970 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 03:06:56,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:06:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:56,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:57,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:57,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:06:57,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:57,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 03:06:57,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:57,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:57,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:57,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:57,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:57,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:06:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:57,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:57,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:57,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:06:57,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:57,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:06:57,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:57,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:57,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:06:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:57,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:57,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:57,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:06:57,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:57,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:06:57,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:57,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:57,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:06:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:57,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:57,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:57,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:06:57,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:57,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:57,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:57,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:57,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:06:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:57,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:57,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:57,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:57,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:57,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:07:02,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:07:02,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 03:07:02,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:07:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 03:07:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:07:02,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:07:02,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:07:02,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:02,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:07:02,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:07:02,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:02,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:02,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:07:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:02,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:02,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:07:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:07:02,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:07:02,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 03:07:02,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:07:02,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:07:02,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:07:02,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:07:02,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:07:02,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:07:02,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:02,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:07:02,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:07:02,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:07:02,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:02,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:07:02,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:07:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:02,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:07:02,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:07:02,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:02,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:07:02,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:07:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:07:02,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:07:02,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 03:07:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:07:02,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:07:02,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:02,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:02,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:02,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:07:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:02,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:02,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 03:07:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:07:02,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:07:02,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:07:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:02,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:02,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:07:02,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:07:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:02,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:02,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:07:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:07:02,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:07:02,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:07:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:02,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:02,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:02,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 03:07:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:02,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:02,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:07:02,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 03:07:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:02,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:02,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:07:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 03:07:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:02,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:07:02,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:07:02,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 03:07:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:02,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:02,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:07:02,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 03:07:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:02,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:02,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:02,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:07:02,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:02,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:07:02,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:07:02,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:02,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:02,963 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 03:07:02,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399231966] [2020-10-27 03:07:02,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:07:02,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 03:07:02,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917153430] [2020-10-27 03:07:02,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 03:07:02,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:07:02,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 03:07:02,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:07:02,970 INFO L87 Difference]: Start difference. First operand 500 states and 685 transitions. Second operand 16 states. [2020-10-27 03:07:06,900 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-27 03:07:09,432 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 03:07:11,570 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-27 03:07:14,146 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 03:07:33,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:07:33,740 INFO L93 Difference]: Finished difference Result 1318 states and 1944 transitions. [2020-10-27 03:07:33,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 03:07:33,741 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 162 [2020-10-27 03:07:33,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:07:33,750 INFO L225 Difference]: With dead ends: 1318 [2020-10-27 03:07:33,751 INFO L226 Difference]: Without dead ends: 867 [2020-10-27 03:07:33,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=459, Invalid=1521, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 03:07:33,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-10-27 03:07:34,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 502. [2020-10-27 03:07:34,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2020-10-27 03:07:34,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 688 transitions. [2020-10-27 03:07:34,040 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 688 transitions. Word has length 162 [2020-10-27 03:07:34,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:07:34,041 INFO L481 AbstractCegarLoop]: Abstraction has 502 states and 688 transitions. [2020-10-27 03:07:34,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 03:07:34,041 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 688 transitions. [2020-10-27 03:07:34,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-27 03:07:34,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:07:34,046 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, 1, 1, 1, 1, 1, 1] [2020-10-27 03:07:34,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:07:34,046 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 03:07:34,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:07:34,047 INFO L82 PathProgramCache]: Analyzing trace with hash -232917695, now seen corresponding path program 1 times [2020-10-27 03:07:34,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:07:34,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052150711] [2020-10-27 03:07:34,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:07:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:34,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:34,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:34,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:34,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:39,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:39,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 03:07:39,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:07:39,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-27 03:07:39,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:07:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 03:07:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:07:39,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,306 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 03:07:41,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:07:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:07:41,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 03:07:41,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:07:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:07:41,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:07:41,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:07:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:07:41,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:07:41,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:41,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:07:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:07:41,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:07:41,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:41,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:07:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 03:07:41,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:07:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 509 [2020-10-27 03:07:41,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:07:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 03:07:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:07:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:07:42,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:07:42,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:07:42,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:07:42,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:42,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:42,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:07:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:42,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:42,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:07:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:07:42,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:07:42,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:07:42,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:07:42,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:07:42,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:42,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:07:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:07:42,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:07:42,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:07:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:07:42,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:07:42,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-27 03:07:42,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:07:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:07:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:07:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:07:42,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:07:42,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:07:42,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:07:42,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:42,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:07:42,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:07:42,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:07:42,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:07:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:42,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:07:42,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:07:42,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:07:42,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 03:07:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:07:42,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:07:42,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:07:42,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:42,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:07:42,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:07:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:42,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:42,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:07:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:07:42,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:07:42,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:07:42,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:42,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:07:42,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 03:07:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:42,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:42,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:07:42,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 03:07:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:42,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:42,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:07:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 03:07:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:42,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:07:42,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:07:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 03:07:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:42,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:42,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:07:42,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 03:07:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:42,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:42,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:42,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:07:42,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:42,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:42,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:42,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:42,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:07:42,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:42,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:42,810 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 03:07:42,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052150711] [2020-10-27 03:07:42,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:07:42,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 03:07:42,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669047750] [2020-10-27 03:07:42,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 03:07:42,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:07:42,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 03:07:42,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:07:42,814 INFO L87 Difference]: Start difference. First operand 502 states and 688 transitions. Second operand 18 states. [2020-10-27 03:07:46,524 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 03:07:49,774 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 03:07:51,880 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 03:07:53,979 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 03:07:56,078 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 03:08:16,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:08:16,661 INFO L93 Difference]: Finished difference Result 1324 states and 1942 transitions. [2020-10-27 03:08:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-27 03:08:16,662 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 163 [2020-10-27 03:08:16,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:08:16,670 INFO L225 Difference]: With dead ends: 1324 [2020-10-27 03:08:16,670 INFO L226 Difference]: Without dead ends: 881 [2020-10-27 03:08:16,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 03:08:16,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2020-10-27 03:08:16,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 512. [2020-10-27 03:08:16,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2020-10-27 03:08:16,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 699 transitions. [2020-10-27 03:08:16,916 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 699 transitions. Word has length 163 [2020-10-27 03:08:16,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:08:16,917 INFO L481 AbstractCegarLoop]: Abstraction has 512 states and 699 transitions. [2020-10-27 03:08:16,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 03:08:16,917 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 699 transitions. [2020-10-27 03:08:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-27 03:08:16,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:08:16,921 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, 1, 1, 1, 1, 1, 1] [2020-10-27 03:08:16,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:08:16,921 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 03:08:16,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:08:16,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1997983465, now seen corresponding path program 2 times [2020-10-27 03:08:16,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:08:16,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366455256] [2020-10-27 03:08:16,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:08:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:17,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:17,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:17,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:17,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:19,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:19,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:22,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:22,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-27 03:08:22,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:08:22,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-27 03:08:22,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:08:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 03:08:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 03:08:22,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:24,035 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 03:08:24,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:08:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:24,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:24,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:24,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:08:24,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:24,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 03:08:24,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:24,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:24,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:24,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:24,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:24,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:08:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:24,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:24,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:24,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:08:24,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:24,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:08:24,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:24,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:24,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:24,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:24,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:24,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:08:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:24,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:24,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:24,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:08:24,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:24,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:08:24,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:24,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:24,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:24,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:24,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:24,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:08:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:24,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:24,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:24,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:08:24,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:24,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:08:24,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:24,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:24,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:24,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:24,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:24,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:08:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:24,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:24,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:24,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:24,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:24,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:24,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 03:08:24,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:08:24,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 768 [2020-10-27 03:08:24,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:24,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:08:24,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 03:08:24,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 03:08:24,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:24,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:24,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:08:25,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:08:25,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:08:25,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:08:25,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:25,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:25,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:08:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:25,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:25,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:08:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:08:25,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:08:25,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:08:25,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:08:25,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:08:25,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:08:25,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:08:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:08:25,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:08:25,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:08:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:08:25,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:08:25,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-27 03:08:25,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:08:25,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:08:25,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:08:25,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:08:25,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 03:08:25,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:08:25,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:08:25,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:08:25,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:08:25,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:08:25,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:08:25,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:08:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:25,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:08:25,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:08:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:08:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 03:08:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:08:25,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:08:25,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:08:25,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:25,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:25,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:08:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:25,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:25,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 03:08:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:08:25,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:08:25,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:08:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:25,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:25,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 03:08:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:25,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:25,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:08:25,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 03:08:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:25,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:25,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:08:25,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 03:08:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:25,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:25,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:08:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 03:08:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:25,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:25,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:08:25,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 03:08:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:08:25,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:25,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:08:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,751 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 03:08:25,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [366455256] [2020-10-27 03:08:25,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:08:25,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 03:08:25,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654533167] [2020-10-27 03:08:25,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 03:08:25,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:08:25,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 03:08:25,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:08:25,755 INFO L87 Difference]: Start difference. First operand 512 states and 699 transitions. Second operand 18 states. [2020-10-27 03:08:29,224 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 03:08:31,831 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 03:08:35,767 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 03:08:38,004 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 03:09:02,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:09:02,464 INFO L93 Difference]: Finished difference Result 1322 states and 1939 transitions. [2020-10-27 03:09:02,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 03:09:02,465 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 164 [2020-10-27 03:09:02,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:09:02,476 INFO L225 Difference]: With dead ends: 1322 [2020-10-27 03:09:02,476 INFO L226 Difference]: Without dead ends: 883 [2020-10-27 03:09:02,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=393, Invalid=1413, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 03:09:02,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-27 03:09:02,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 512. [2020-10-27 03:09:02,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2020-10-27 03:09:02,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 698 transitions. [2020-10-27 03:09:02,701 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 698 transitions. Word has length 164 [2020-10-27 03:09:02,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:09:02,702 INFO L481 AbstractCegarLoop]: Abstraction has 512 states and 698 transitions. [2020-10-27 03:09:02,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 03:09:02,702 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 698 transitions. [2020-10-27 03:09:02,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 03:09:02,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:09:02,706 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:09:02,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:09:02,706 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 03:09:02,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:09:02,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1172737018, now seen corresponding path program 1 times [2020-10-27 03:09:02,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:09:02,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489283974] [2020-10-27 03:09:02,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:09:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:02,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:02,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:02,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:03,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:03,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:07,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:07,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-27 03:09:07,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:09:07,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-10-27 03:09:07,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:09:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 03:09:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:09:07,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:09,870 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 03:09:09,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:09:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:09,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:09,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:09,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:09:09,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:09,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 03:09:09,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:09,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:09,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:09,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:09,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:09,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:09:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:09,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:09,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:09,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:09:09,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:09,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:09,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:09,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:09,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:09:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:09,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:09,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:09,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:09:09,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:09,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:09,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:09,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:09,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:09:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:09,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:09,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:09,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:09:09,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:09,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:09,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:09,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:09,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:09:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 03:09:10,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:09:10,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 506 [2020-10-27 03:09:10,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:09:10,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 03:09:10,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:09:10,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:09:10,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:09:10,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:10,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:09:10,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:09:10,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:10,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:10,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:10,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:10,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:10,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:10,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:09:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:10,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:10,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:10,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:10,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:09:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:09:10,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:09:10,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:10,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:10,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:10,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:09:10,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:09:10,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:10,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:10,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:10,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:09:10,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:09:10,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:10,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:10,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:10,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:09:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:09:10,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:09:10,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:10,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:10,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:10,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:09:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:09:10,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:09:10,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 03:09:10,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:09:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:09:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 03:09:10,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:09:10,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:09:10,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:09:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:09:10,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 03:09:10,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:10,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:10,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:10,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:10,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:09:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:10,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:09:10,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:09:10,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:10,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:09:10,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 03:09:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:09:10,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:09:10,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:10,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:09:10,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:10,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:10,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:10,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:10,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:10,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:10,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:10,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:09:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:10,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:10,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:10,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:10,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:10,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:10,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:10,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:11,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 03:09:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:11,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:11,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:11,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:09:11,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:11,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:09:11,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:09:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:11,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:11,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:11,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:11,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:11,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:11,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:11,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:11,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:11,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:11,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:11,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:11,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:11,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 03:09:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:11,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:11,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:11,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:11,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:11,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:11,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:11,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:11,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:09:11,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:11,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:11,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 03:09:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:11,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:11,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:11,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:11,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:11,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:11,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:09:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:11,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:11,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 03:09:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:11,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:11,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:11,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:11,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:11,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:11,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:09:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:11,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:11,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 03:09:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:11,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:11,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:11,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:11,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:11,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:11,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:11,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:11,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:09:11,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:11,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:11,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 03:09:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:11,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:11,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:11,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:09:11,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:11,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:11,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:11,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:11,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:09:11,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:11,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:11,103 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 03:09:11,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489283974] [2020-10-27 03:09:11,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:09:11,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 03:09:11,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127940310] [2020-10-27 03:09:11,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 03:09:11,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:09:11,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 03:09:11,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:09:11,106 INFO L87 Difference]: Start difference. First operand 512 states and 698 transitions. Second operand 16 states. [2020-10-27 03:09:15,103 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 03:09:18,321 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 03:09:20,404 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 03:09:22,926 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 564