/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_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:42:28,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:42:28,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:42:28,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:42:28,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:42:28,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:42:28,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:42:28,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:42:28,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:42:28,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:42:28,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:42:28,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:42:28,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:42:28,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:42:28,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:42:28,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:42:28,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:42:28,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:42:28,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:42:28,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:42:28,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:42:28,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:42:28,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:42:28,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:42:28,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:42:28,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:42:28,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:42:28,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:42:28,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:42:28,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:42:28,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:42:28,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:42:28,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:42:28,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:42:28,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:42:28,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:42:28,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:42:28,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:42:28,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:42:28,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:42:28,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:42:28,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:42:28,954 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:42:28,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:42:28,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:42:28,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:42:28,958 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:42:28,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:42:28,959 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:42:28,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:42:28,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:42:28,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:42:28,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:42:28,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:42:28,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:42:28,961 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:42:28,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:42:28,961 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:42:28,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:42:28,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:42:28,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:42:28,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:42:28,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:42:28,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:42:28,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:42:28,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:42:28,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:42:28,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:42:28,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:42:28,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:42:28,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:42:28,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:42:29,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:42:29,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:42:29,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:42:29,374 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:42:29,374 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:42:29,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product16.cil.c [2020-10-27 02:42:29,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/772167332/e9b74040d9be47fcb28dd2642326bb64/FLAG2898eab37 [2020-10-27 02:42:30,171 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:42:30,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product16.cil.c [2020-10-27 02:42:30,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/772167332/e9b74040d9be47fcb28dd2642326bb64/FLAG2898eab37 [2020-10-27 02:42:30,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/772167332/e9b74040d9be47fcb28dd2642326bb64 [2020-10-27 02:42:30,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:42:30,394 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:42:30,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:42:30,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:42:30,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:42:30,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:42:30" (1/1) ... [2020-10-27 02:42:30,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe19f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:30, skipping insertion in model container [2020-10-27 02:42:30,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:42:30" (1/1) ... [2020-10-27 02:42:30,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:42:30,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:42:31,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:42:31,109 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:42:31,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:42:31,365 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:42:31,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:31 WrapperNode [2020-10-27 02:42:31,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:42:31,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:42:31,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:42:31,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:42:31,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:31" (1/1) ... [2020-10-27 02:42:31,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:31" (1/1) ... [2020-10-27 02:42:31,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:31" (1/1) ... [2020-10-27 02:42:31,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:31" (1/1) ... [2020-10-27 02:42:31,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:31" (1/1) ... [2020-10-27 02:42:31,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:31" (1/1) ... [2020-10-27 02:42:31,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:31" (1/1) ... [2020-10-27 02:42:31,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:42:31,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:42:31,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:42:31,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:42:31,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:42:31,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:42:31,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:42:31,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:42:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:42:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 02:42:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 02:42:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 02:42:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 02:42:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 02:42:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 02:42:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 02:42:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 02:42:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 02:42:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 02:42:31,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 02:42:31,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 02:42:31,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 02:42:31,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 02:42:31,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 02:42:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 02:42:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 02:42:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 02:42:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 02:42:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 02:42:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 02:42:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 02:42:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:42:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:42:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:42:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:42:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 02:42:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 02:42:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 02:42:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 02:42:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 02:42:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 02:42:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 02:42:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 02:42:31,668 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 02:42:31,668 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 02:42:31,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 02:42:31,668 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 02:42:31,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 02:42:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 02:42:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 02:42:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 02:42:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 02:42:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 02:42:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 02:42:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 02:42:31,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 02:42:31,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 02:42:31,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 02:42:31,670 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 02:42:31,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 02:42:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 02:42:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 02:42:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 02:42:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 02:42:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:42:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:42:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:42:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:42:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:42:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:42:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:42:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:42:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 02:42:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 02:42:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 02:42:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 02:42:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 02:42:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 02:42:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 02:42:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 02:42:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 02:42:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:42:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:42:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 02:42:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 02:42:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 02:42:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 02:42:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 02:42:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 02:42:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 02:42:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 02:42:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 02:42:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 02:42:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 02:42:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 02:42:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 02:42:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 02:42:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 02:42:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 02:42:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 02:42:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 02:42:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 02:42:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 02:42:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-27 02:42:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 02:42:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 02:42:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 02:42:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 02:42:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 02:42:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 02:42:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 02:42:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 02:42:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 02:42:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 02:42:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 02:42:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:42:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:42:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:42:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:42:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:42:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:42:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 02:42:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 02:42:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 02:42:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 02:42:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 02:42:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 02:42:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 02:42:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 02:42:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 02:42:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 02:42:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 02:42:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 02:42:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 02:42:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 02:42:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 02:42:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 02:42:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 02:42:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 02:42:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 02:42:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 02:42:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 02:42:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 02:42:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:42:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:42:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:42:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:42:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 02:42:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 02:42:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 02:42:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 02:42:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 02:42:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 02:42:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 02:42:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 02:42:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 02:42:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 02:42:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 02:42:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 02:42:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 02:42:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 02:42:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 02:42:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 02:42:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 02:42:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 02:42:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 02:42:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 02:42:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 02:42:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 02:42:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 02:42:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 02:42:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 02:42:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 02:42:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 02:42:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 02:42:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 02:42:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:42:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:42:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:42:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:42:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:42:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:42:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:42:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:42:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:42:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:42:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:42:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:42:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:42:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:42:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:42:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:42:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 02:42:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 02:42:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 02:42:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 02:42:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 02:42:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 02:42:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 02:42:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 02:42:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 02:42:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:42:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 02:42:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 02:42:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 02:42:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 02:42:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 02:42:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 02:42:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 02:42:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 02:42:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 02:42:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 02:42:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 02:42:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 02:42:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:42:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:42:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 02:42:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 02:42:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 02:42:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 02:42:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 02:42:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 02:42:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 02:42:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 02:42:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 02:42:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 02:42:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 02:42:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 02:42:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 02:42:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 02:42:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 02:42:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 02:42:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 02:42:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 02:42:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 02:42:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-27 02:42:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 02:42:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:42:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:42:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:42:33,836 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:42:33,837 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 02:42:33,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:42:33 BoogieIcfgContainer [2020-10-27 02:42:33,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:42:33,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:42:33,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:42:33,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:42:33,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:42:30" (1/3) ... [2020-10-27 02:42:33,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d61c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:42:33, skipping insertion in model container [2020-10-27 02:42:33,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:31" (2/3) ... [2020-10-27 02:42:33,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d61c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:42:33, skipping insertion in model container [2020-10-27 02:42:33,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:42:33" (3/3) ... [2020-10-27 02:42:33,849 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product16.cil.c [2020-10-27 02:42:33,861 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:42:33,867 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:42:33,880 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:42:33,911 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:42:33,911 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:42:33,912 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:42:33,912 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:42:33,912 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:42:33,912 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:42:33,912 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:42:33,912 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:42:33,940 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2020-10-27 02:42:33,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 02:42:33,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:42:33,964 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] [2020-10-27 02:42:33,964 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:42:33,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:42:33,971 INFO L82 PathProgramCache]: Analyzing trace with hash 813816742, now seen corresponding path program 1 times [2020-10-27 02:42:33,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:42:33,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1931179882] [2020-10-27 02:42:33,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:42:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:34,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:34,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:34,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:36,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:36,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:38,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:39,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:39,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-27 02:42:39,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:42:39,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 02:42:39,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 02:42:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:42:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-27 02:42:39,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:42:41,596 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 02:42:41,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:42:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:41,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:41,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:41,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:42:41,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:41,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-27 02:42:41,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:42:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:42:41,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:41,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:42:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:41,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:41,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:41,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:42:41,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:41,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:42:41,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:42:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:42:41,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:41,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:42:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:41,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:41,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:41,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:42:41,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:41,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:42:41,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:41,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:42:41,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:41,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:42:41,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:41,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:42:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:41,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:41,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:41,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:42:41,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:41,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:42:41,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:41,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:42:41,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:41,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:42:41,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:41,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:42:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:41,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:41,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:41,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:42,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:45,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:46,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:46,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 02:42:46,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:42:46,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 02:42:46,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:42:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 02:42:46,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:42:46,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:46,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:42:47,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:42:47,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:47,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:47,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:42:47,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:42:47,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:47,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:47,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:42:47,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:47,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:47,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:42:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:47,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:42:47,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:47,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:42:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:42:47,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:42:47,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 02:42:47,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:42:47,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:42:47,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:42:47,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:42:47,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:47,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:47,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:47,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:47,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:47,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:47,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:42:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:47,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:47,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:47,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 02:42:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:42:47,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:42:47,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:42:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:42:47,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:42:47,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:42:47,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:47,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:47,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:47,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:47,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:47,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:47,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:42:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:47,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:47,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:47,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:47,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 02:42:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:42:47,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 02:42:47,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:42:47,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:42:47,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:47,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:42:47,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:42:47,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:42:47,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:42:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:47,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:42:47,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:42:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:42:47,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 02:42:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:47,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:42:47,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:42:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:42:47,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 02:42:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:42:47,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:42:47,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:42:47,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:42:47,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:42:47,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 02:42:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:47,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:47,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:47,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:42:47,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:47,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 02:42:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:47,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:47,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:47,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:42:47,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:47,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 02:42:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:47,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:47,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:47,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:47,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:47,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:47,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:47,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:47,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:42:47,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:47,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-27 02:42:47,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1931179882] [2020-10-27 02:42:47,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:42:47,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-27 02:42:47,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235390092] [2020-10-27 02:42:47,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 02:42:47,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:42:47,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 02:42:47,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2020-10-27 02:42:47,762 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 25 states. [2020-10-27 02:42:51,224 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 02:42:56,989 WARN L193 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2020-10-27 02:43:03,539 WARN L193 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 565 DAG size of output: 563 [2020-10-27 02:43:07,809 WARN L193 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 568 DAG size of output: 566 [2020-10-27 02:43:12,128 WARN L193 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 565 DAG size of output: 563 [2020-10-27 02:43:17,755 WARN L193 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 565 DAG size of output: 563 [2020-10-27 02:43:23,794 WARN L193 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 564 DAG size of output: 562 [2020-10-27 02:43:26,414 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 02:43:30,655 WARN L193 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2020-10-27 02:43:34,884 WARN L193 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 564 DAG size of output: 562 [2020-10-27 02:43:39,188 WARN L193 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 567 DAG size of output: 565 [2020-10-27 02:43:43,529 WARN L193 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 567 DAG size of output: 565 [2020-10-27 02:43:48,436 WARN L193 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 567 DAG size of output: 565 [2020-10-27 02:43:52,767 WARN L193 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 565 DAG size of output: 563 [2020-10-27 02:43:57,025 WARN L193 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 568 DAG size of output: 566 [2020-10-27 02:44:01,315 WARN L193 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2020-10-27 02:44:07,713 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 02:44:11,032 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 02:44:15,028 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-27 02:44:17,310 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 02:44:19,441 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 02:44:28,035 WARN L193 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 567 DAG size of output: 565 [2020-10-27 02:44:59,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:44:59,645 INFO L93 Difference]: Finished difference Result 2105 states and 3179 transitions. [2020-10-27 02:44:59,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2020-10-27 02:44:59,648 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 146 [2020-10-27 02:44:59,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:44:59,690 INFO L225 Difference]: With dead ends: 2105 [2020-10-27 02:44:59,690 INFO L226 Difference]: Without dead ends: 1672 [2020-10-27 02:44:59,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6198 ImplicationChecksByTransitivity, 84.3s TimeCoverageRelationStatistics Valid=3053, Invalid=13459, Unknown=0, NotChecked=0, Total=16512 [2020-10-27 02:44:59,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-10-27 02:45:00,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1125. [2020-10-27 02:45:00,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1125 states. [2020-10-27 02:45:00,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1527 transitions. [2020-10-27 02:45:00,385 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1527 transitions. Word has length 146 [2020-10-27 02:45:00,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:45:00,386 INFO L481 AbstractCegarLoop]: Abstraction has 1125 states and 1527 transitions. [2020-10-27 02:45:00,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 02:45:00,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1527 transitions. [2020-10-27 02:45:00,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 02:45:00,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:45:00,397 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] [2020-10-27 02:45:00,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:45:00,397 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:45:00,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:45:00,398 INFO L82 PathProgramCache]: Analyzing trace with hash 975588704, now seen corresponding path program 1 times [2020-10-27 02:45:00,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:45:00,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279990053] [2020-10-27 02:45:00,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:45:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:00,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:00,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:00,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:00,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:00,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:05,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:05,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:05,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-27 02:45:05,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:45:05,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-27 02:45:05,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:45:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 02:45:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-27 02:45:05,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:07,690 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 02:45:07,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:45:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:07,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:07,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:07,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:45:07,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:07,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 02:45:07,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:07,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:07,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:45:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:07,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:07,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:07,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:45:07,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:07,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:45:07,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:07,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:07,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:45:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:07,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:07,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:07,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:45:07,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:07,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:45:07,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:07,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:07,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:07,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:07,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:45:07,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:45:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:07,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:07,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:07,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:45:07,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:07,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:45:07,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:07,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:07,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:07,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:45:07,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:45:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:07,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:07,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:07,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:07,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:07,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:09,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:12,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:12,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 02:45:12,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:45:12,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 02:45:12,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:12,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:45:12,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:12,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 02:45:12,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:12,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:45:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:12,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:12,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:45:13,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:45:13,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 02:45:13,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:45:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:45:13,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:45:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:45:13,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:45:13,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:45:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:45:13,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:45:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:45:13,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:45:13,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:13,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:45:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:45:13,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:45:13,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:45:13,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:45:13,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:45:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:45:13,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:45:13,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:45:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:45:13,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:45:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:45:13,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:45:13,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:13,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:13,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:45:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:45:13,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:45:13,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:13,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:13,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:45:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:45:13,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:45:13,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:13,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 02:45:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:45:13,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:45:13,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:45:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:45:13,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:45:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:45:13,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:45:13,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:13,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:13,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:45:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:45:13,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:45:13,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:13,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:13,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:45:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:45:13,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:45:13,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:13,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:13,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 02:45:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:45:13,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:45:13,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:45:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 02:45:13,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:45:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:45:13,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:45:13,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:13,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:45:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:45:13,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:45:13,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:13,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:13,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 02:45:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:45:13,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:45:13,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:45:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:45:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:45:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 02:45:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:45:13,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:45:13,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:45:13,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:45:13,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:45:13,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 02:45:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:45:13,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:45:13,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:13,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:45:13,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:13,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 02:45:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:45:13,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:45:13,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:45:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:13,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 02:45:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:45:13,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:45:13,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:45:13,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:45:13,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:45:13,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:45:13,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:45:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:45:13,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:45:13,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:45:13,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:45:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 02:45:13,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279990053] [2020-10-27 02:45:13,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:45:13,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 02:45:13,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662110222] [2020-10-27 02:45:13,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 02:45:13,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:45:13,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 02:45:13,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2020-10-27 02:45:13,710 INFO L87 Difference]: Start difference. First operand 1125 states and 1527 transitions. Second operand 21 states. [2020-10-27 02:45:17,029 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 02:45:19,118 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-27 02:45:21,177 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 02:45:23,619 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 02:45:26,362 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 02:45:29,889 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 02:45:32,093 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 02:45:36,846 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 02:45:39,159 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 02:45:42,262 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 02:45:44,427 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 02:45:59,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:45:59,788 INFO L93 Difference]: Finished difference Result 2371 states and 3408 transitions. [2020-10-27 02:45:59,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-27 02:45:59,789 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 148 [2020-10-27 02:45:59,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:45:59,802 INFO L225 Difference]: With dead ends: 2371 [2020-10-27 02:45:59,802 INFO L226 Difference]: Without dead ends: 1690 [2020-10-27 02:45:59,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 26.5s TimeCoverageRelationStatistics Valid=556, Invalid=2200, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 02:45:59,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-10-27 02:46:00,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1160. [2020-10-27 02:46:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1160 states. [2020-10-27 02:46:00,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1581 transitions. [2020-10-27 02:46:00,319 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1581 transitions. Word has length 148 [2020-10-27 02:46:00,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:46:00,320 INFO L481 AbstractCegarLoop]: Abstraction has 1160 states and 1581 transitions. [2020-10-27 02:46:00,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-27 02:46:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1581 transitions. [2020-10-27 02:46:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 02:46:00,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:46:00,325 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] [2020-10-27 02:46:00,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:46:00,325 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:46:00,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:46:00,326 INFO L82 PathProgramCache]: Analyzing trace with hash 2007935605, now seen corresponding path program 1 times [2020-10-27 02:46:00,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:46:00,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467656670] [2020-10-27 02:46:00,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:46:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:00,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:00,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:00,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:00,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:00,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:00,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:05,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:05,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-27 02:46:05,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:46:05,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 02:46:05,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:05,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:46:05,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 02:46:05,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:46:05,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:07,633 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 02:46:07,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:46:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:07,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:07,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:07,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:46:07,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:07,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:46:07,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:07,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:07,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:07,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:07,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:07,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:46:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:07,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:07,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:07,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:46:07,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:07,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:46:07,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:07,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:07,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:07,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:07,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:07,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:46:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:07,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:07,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:07,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:46:07,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:07,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:46:07,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:07,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:07,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:07,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:07,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:07,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:46:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:07,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:07,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:07,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:46:07,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:07,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:46:07,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:07,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:07,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:07,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:07,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:07,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:46:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:07,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:07,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:07,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:08,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:12,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:12,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 02:46:12,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:46:12,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 02:46:12,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:12,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:46:12,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:46:12,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:46:12,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:12,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:46:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:12,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:12,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:12,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:46:12,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:12,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:46:12,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:12,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:12,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:12,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:12,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:12,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:46:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:12,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:12,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:12,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:46:12,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:12,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:46:12,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:12,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:12,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:12,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:12,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:12,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:46:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:12,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:12,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:12,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:46:12,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:12,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:46:12,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:12,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:12,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:46:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:12,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:12,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:12,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:46:12,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:12,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:46:12,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:12,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:12,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:12,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:46:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:12,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:12,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:12,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:12,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:46:12,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:46:12,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 02:46:12,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:12,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:46:12,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:46:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:46:12,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:46:13,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:46:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:46:13,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:46:13,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:46:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:46:13,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:46:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:46:13,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:46:13,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:46:13,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:46:13,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:46:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:46:13,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:46:13,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:46:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:13,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:46:13,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:46:13,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 02:46:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:46:13,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:46:13,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:13,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:46:13,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:13,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:46:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:46:13,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:46:13,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:13,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:13,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:13,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:46:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:46:13,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:46:13,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:13,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:13,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:13,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:46:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:46:13,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:46:13,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:13,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 02:46:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:46:13,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:46:13,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:13,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:46:13,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:13,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:46:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:46:13,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:46:13,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:13,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:46:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:46:13,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:46:13,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:13,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:46:13,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:13,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 02:46:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:46:13,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:46:13,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:46:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:13,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 02:46:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:46:13,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:46:13,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:46:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:13,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 02:46:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:46:13,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:46:13,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:46:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 02:46:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:46:13,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:46:13,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:46:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:13,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 02:46:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:46:13,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:46:13,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:46:13,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:46:13,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:46:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:46:13,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:46:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:46:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:46:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:46:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:46:13,488 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 02:46:13,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467656670] [2020-10-27 02:46:13,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:46:13,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 02:46:13,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317339588] [2020-10-27 02:46:13,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 02:46:13,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:46:13,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 02:46:13,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-27 02:46:13,492 INFO L87 Difference]: Start difference. First operand 1160 states and 1581 transitions. Second operand 17 states.