/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:33:36,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:33:36,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:33:36,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:33:36,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:33:36,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:33:36,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:33:36,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:33:36,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:33:36,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:33:36,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:33:36,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:33:36,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:33:36,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:33:36,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:33:36,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:33:36,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:33:36,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:33:36,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:33:36,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:33:36,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:33:36,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:33:36,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:33:36,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:33:36,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:33:36,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:33:36,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:33:36,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:33:36,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:33:36,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:33:36,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:33:36,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:33:36,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:33:36,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:33:36,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:33:36,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:33:36,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:33:36,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:33:36,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:33:36,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:33:36,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:33:36,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 21:33:36,564 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:33:36,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:33:36,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:33:36,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:33:36,566 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:33:36,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:33:36,567 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:33:36,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:33:36,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:33:36,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:33:36,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:33:36,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:33:36,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:33:36,568 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:33:36,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:33:36,569 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:33:36,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:33:36,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:33:36,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:33:36,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:33:36,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:33:36,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:33:36,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:33:36,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:33:36,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:33:36,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:33:36,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:33:36,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:33:36,571 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:33:36,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:33:36,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:33:36,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:33:36,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:33:36,954 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:33:36,957 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:33:36,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product18.cil.c [2020-10-27 21:33:37,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb4c4fd77/fc286e30767446bb95d292c695912ebf/FLAG10214ab58 [2020-10-27 21:33:37,864 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:33:37,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec4_product18.cil.c [2020-10-27 21:33:37,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb4c4fd77/fc286e30767446bb95d292c695912ebf/FLAG10214ab58 [2020-10-27 21:33:37,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb4c4fd77/fc286e30767446bb95d292c695912ebf [2020-10-27 21:33:37,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:33:37,983 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:33:37,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:33:37,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:33:37,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:33:37,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:33:37" (1/1) ... [2020-10-27 21:33:38,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e99fc20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:37, skipping insertion in model container [2020-10-27 21:33:38,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:33:37" (1/1) ... [2020-10-27 21:33:38,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:33:38,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:33:38,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:33:38,801 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:33:38,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:33:39,086 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:33:39,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:39 WrapperNode [2020-10-27 21:33:39,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:33:39,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:33:39,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:33:39,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:33:39,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:39" (1/1) ... [2020-10-27 21:33:39,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:39" (1/1) ... [2020-10-27 21:33:39,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:39" (1/1) ... [2020-10-27 21:33:39,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:39" (1/1) ... [2020-10-27 21:33:39,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:39" (1/1) ... [2020-10-27 21:33:39,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:39" (1/1) ... [2020-10-27 21:33:39,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:39" (1/1) ... [2020-10-27 21:33:39,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:33:39,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:33:39,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:33:39,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:33:39,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:33:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:33:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:33:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:33:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:33:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:33:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:33:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:33:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:33:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:33:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:33:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:33:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:33:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:33:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:33:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:33:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:33:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:33:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:33:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:33:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:33:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:33:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:33:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:33:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:33:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:33:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:33:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:33:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:33:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:33:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:33:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:33:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:33:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:33:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:33:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:33:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:33:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:33:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:33:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:33:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:33:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:33:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:33:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:33:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:33:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:33:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:33:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:33:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:33:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:33:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:33:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:33:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:33:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:33:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:33:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:33:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:33:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:33:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:33:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:33:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:33:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:33:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:33:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:33:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:33:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:33:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:33:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:33:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:33:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:33:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:33:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:33:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:33:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:33:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-27 21:33:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2020-10-27 21:33:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2020-10-27 21:33:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:33:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:33:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:33:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:33:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:33:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:33:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:33:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:33:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:33:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:33:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:33:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:33:39,415 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:33:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:33:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:33:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2020-10-27 21:33:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:33:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-27 21:33:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:33:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:33:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-27 21:33:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 21:33:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:33:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:33:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:33:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:33:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:33:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:33:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:33:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:33:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:33:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-27 21:33:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 21:33:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 21:33:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:33:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:33:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:33:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:33:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:33:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:33:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:33:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:33:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:33:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:33:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:33:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:33:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:33:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:33:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:33:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:33:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:33:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:33:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:33:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:33:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:33:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:33:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:33:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:33:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:33:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:33:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:33:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:33:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:33:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:33:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:33:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:33:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:33:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:33:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:33:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:33:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:33:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:33:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:33:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:33:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:33:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:33:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:33:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:33:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:33:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:33:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:33:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:33:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:33:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:33:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:33:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:33:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:33:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:33:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:33:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:33:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:33:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:33:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:33:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:33:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:33:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:33:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:33:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:33:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:33:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:33:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:33:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:33:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:33:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:33:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:33:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:33:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:33:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:33:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:33:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:33:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:33:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:33:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:33:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:33:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:33:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:33:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:33:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:33:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:33:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-27 21:33:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:33:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:33:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:33:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:33:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:33:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:33:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:33:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2020-10-27 21:33:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2020-10-27 21:33:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:33:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:33:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:33:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:33:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:33:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:33:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:33:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:33:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:33:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:33:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:33:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:33:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:33:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:33:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:33:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:33:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:33:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2020-10-27 21:33:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:33:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:33:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:33:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:33:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:33:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:33:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-27 21:33:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 21:33:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 21:33:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-27 21:33:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-27 21:33:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 21:33:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:33:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:33:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:33:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:33:41,800 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:33:41,800 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:33:41,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:33:41 BoogieIcfgContainer [2020-10-27 21:33:41,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:33:41,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:33:41,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:33:41,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:33:41,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:33:37" (1/3) ... [2020-10-27 21:33:41,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25899ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:33:41, skipping insertion in model container [2020-10-27 21:33:41,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:39" (2/3) ... [2020-10-27 21:33:41,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25899ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:33:41, skipping insertion in model container [2020-10-27 21:33:41,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:33:41" (3/3) ... [2020-10-27 21:33:41,812 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product18.cil.c [2020-10-27 21:33:41,824 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:33:41,829 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:33:41,843 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:33:41,875 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:33:41,875 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:33:41,876 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:33:41,876 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:33:41,876 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:33:41,876 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:33:41,876 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:33:41,876 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:33:41,904 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states. [2020-10-27 21:33:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 21:33:41,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:33:41,933 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:33:41,934 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:33:41,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:33:41,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1421881569, now seen corresponding path program 1 times [2020-10-27 21:33:41,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:33:41,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190528888] [2020-10-27 21:33:41,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:33:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:42,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:42,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:43,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:43,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:46,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:47,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:47,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-27 21:33:47,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:33:47,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-27 21:33:47,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:47,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:33:47,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:47,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:33:49,440 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:33:49,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:33:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:49,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:49,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:49,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:33:49,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:49,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 21:33:49,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:49,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:49,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:33:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:49,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:49,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:49,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:33:49,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:49,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:33:49,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:49,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:49,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:49,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:49,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:49,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:33:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:49,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:49,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:49,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:33:49,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:49,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:33:49,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:49,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:49,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:33:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:49,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:49,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:49,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:33:49,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:49,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:33:49,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:49,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:49,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:49,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:49,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:49,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:33:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:49,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:49,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:49,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:49,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:51,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:54,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:54,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:33:54,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:33:54,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 21:33:54,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:54,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:33:54,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:33:54,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 21:33:54,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:54,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:33:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:54,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:54,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:54,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:33:54,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:54,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:33:54,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:54,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:54,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:54,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:54,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:54,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:33:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:54,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:54,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:54,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:33:54,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:54,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:33:54,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:54,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:54,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:54,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:54,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:54,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:33:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:54,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:54,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:54,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:33:54,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:54,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:33:54,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:54,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:54,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:54,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:54,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:54,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:33:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:54,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:54,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:54,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:33:54,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:54,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:33:54,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:54,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:54,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:54,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:33:54,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:33:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:54,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:54,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:54,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:33:54,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:54,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:33:54,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:54,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:54,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:54,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:54,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:54,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:33:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:54,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:54,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:54,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:33:54,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:54,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:33:54,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:54,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:54,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:54,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:54,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:54,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:33:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:54,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:54,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:54,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:33:54,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:54,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:33:54,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:54,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:54,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:33:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:54,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:54,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:54,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:33:54,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:54,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:33:54,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:54,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:54,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:33:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:54,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:54,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:33:55,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:33:55,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-27 21:33:55,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:33:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:33:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:33:55,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:55,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:33:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:33:55,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 21:33:55,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:33:55,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:55,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:33:55,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 21:33:55,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:33:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:33:55,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 21:33:55,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:33:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:55,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:33:55,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:33:55,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:33:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:33:55,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:33:55,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:33:55,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:55,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:33:55,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:55,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:33:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:33:55,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:33:55,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:55,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:33:55,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:55,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:55,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:33:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:33:55,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:33:55,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:55,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 21:33:55,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:33:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:33:55,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:33:55,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:55,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:55,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:33:55,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:33:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:33:55,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:33:55,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:55,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:33:55,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:55,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:55,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:33:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:33:55,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:33:55,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:55,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:55,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:55,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:55,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:33:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:33:55,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:33:55,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:55,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:33:55,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:55,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:55,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 21:33:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:33:55,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:33:55,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:33:55,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:55,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:33:55,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:33:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:33:55,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:33:55,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:55,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:33:55,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:55,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:55,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:33:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:33:55,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:33:55,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:33:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:55,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 21:33:55,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190528888] [2020-10-27 21:33:55,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:33:55,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:33:55,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232278222] [2020-10-27 21:33:55,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:33:55,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:33:55,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:33:55,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:33:55,665 INFO L87 Difference]: Start difference. First operand 486 states. Second operand 18 states. [2020-10-27 21:33:59,579 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:34:03,397 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 21:34:05,582 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:34:07,785 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:34:09,992 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:34:32,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:34:32,373 INFO L93 Difference]: Finished difference Result 1356 states and 2056 transitions. [2020-10-27 21:34:32,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-27 21:34:32,375 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 149 [2020-10-27 21:34:32,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:34:32,403 INFO L225 Difference]: With dead ends: 1356 [2020-10-27 21:34:32,404 INFO L226 Difference]: Without dead ends: 798 [2020-10-27 21:34:32,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1861 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=1158, Invalid=4694, Unknown=0, NotChecked=0, Total=5852 [2020-10-27 21:34:32,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2020-10-27 21:34:32,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 450. [2020-10-27 21:34:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-10-27 21:34:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 595 transitions. [2020-10-27 21:34:32,838 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 595 transitions. Word has length 149 [2020-10-27 21:34:32,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:34:32,839 INFO L481 AbstractCegarLoop]: Abstraction has 450 states and 595 transitions. [2020-10-27 21:34:32,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:34:32,839 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 595 transitions. [2020-10-27 21:34:32,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 21:34:32,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:34:32,853 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:34:32,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:34:32,853 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:34:32,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:34:32,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1373593381, now seen corresponding path program 1 times [2020-10-27 21:34:32,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:34:32,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527126963] [2020-10-27 21:34:32,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:34:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:33,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:33,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:33,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:33,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:33,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:33,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:36,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:37,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:37,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 21:34:37,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:34:37,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-27 21:34:37,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:37,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:34:37,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:34:37,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:34:37,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:40,073 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:34:40,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:34:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:40,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:40,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:40,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:34:40,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:40,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 21:34:40,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:40,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:40,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:40,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:40,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:40,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:34:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:40,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:40,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:40,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:34:40,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:40,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:34:40,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:40,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:40,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:40,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:34:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:40,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:40,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:40,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:34:40,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:40,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:34:40,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:40,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:40,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:40,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:40,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:34:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:40,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:40,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:40,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:34:40,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:40,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:40,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:40,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:40,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:40,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:40,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:40,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:34:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:40,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:40,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:40,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:40,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:41,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:41,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:41,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:34:45,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:34:45,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:34:45,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:34:45,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:34:45,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:34:45,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:34:45,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:34:45,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:34:45,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:34:45,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:45,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:45,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:45,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:45,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:34:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:45,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:45,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:34:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:34:45,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:34:45,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:34:45,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:34:45,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:45,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:45,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:45,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:45,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:34:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:45,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:45,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:45,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:34:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:34:45,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:34:45,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 21:34:45,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:34:45,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:34:45,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:34:45,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:34:45,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:34:45,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 21:34:45,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:34:45,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:45,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:34:45,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:34:45,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:34:45,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:34:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 21:34:45,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:34:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:34:45,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:34:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:45,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:34:45,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:34:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:34:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:34:45,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:34:45,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:34:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:34:45,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:34:45,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:34:45,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:45,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:45,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:34:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:45,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:45,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:45,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:34:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:34:45,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:34:45,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:34:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:45,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:45,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:45,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:34:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:45,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:34:45,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:34:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:45,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 21:34:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:45,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:45,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:45,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:45,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:45,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:34:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:45,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 21:34:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:46,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:46,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:46,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:46,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:46,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:46,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:46,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:46,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:34:46,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:46,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:34:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:46,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:46,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:46,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:46,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:46,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:46,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:46,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:46,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:34:46,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:46,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 21:34:46,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527126963] [2020-10-27 21:34:46,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:34:46,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:34:46,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694460581] [2020-10-27 21:34:46,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:34:46,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:34:46,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:34:46,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:34:46,098 INFO L87 Difference]: Start difference. First operand 450 states and 595 transitions. Second operand 19 states. [2020-10-27 21:34:50,325 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 21:34:52,488 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-27 21:34:55,033 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-27 21:34:58,647 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:35:01,035 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 21:35:03,343 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-27 21:35:05,796 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:35:25,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:35:25,098 INFO L93 Difference]: Finished difference Result 1187 states and 1691 transitions. [2020-10-27 21:35:25,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 21:35:25,101 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 151 [2020-10-27 21:35:25,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:35:25,109 INFO L225 Difference]: With dead ends: 1187 [2020-10-27 21:35:25,109 INFO L226 Difference]: Without dead ends: 805 [2020-10-27 21:35:25,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 18.1s TimeCoverageRelationStatistics Valid=425, Invalid=1555, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 21:35:25,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2020-10-27 21:35:25,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 454. [2020-10-27 21:35:25,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2020-10-27 21:35:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 600 transitions. [2020-10-27 21:35:25,371 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 600 transitions. Word has length 151 [2020-10-27 21:35:25,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:35:25,372 INFO L481 AbstractCegarLoop]: Abstraction has 454 states and 600 transitions. [2020-10-27 21:35:25,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:35:25,372 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 600 transitions. [2020-10-27 21:35:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-27 21:35:25,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:35:25,377 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:35:25,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:35:25,378 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:35:25,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:35:25,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1140568600, now seen corresponding path program 1 times [2020-10-27 21:35:25,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:35:25,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375025930] [2020-10-27 21:35:25,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:35:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:25,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:25,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:25,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:25,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:25,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:26,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:26,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:26,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:30,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:30,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-27 21:35:30,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 21:35:30,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-10-27 21:35:30,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:35:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:35:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:35:30,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:32,725 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:35:32,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:35:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:32,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:32,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:32,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:35:32,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:32,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 21:35:32,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:32,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:32,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:32,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:32,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:32,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:35:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:32,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:32,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:32,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:35:32,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:32,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:35:32,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:32,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:32,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:32,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:32,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:32,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:35:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:32,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:32,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:32,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:35:32,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:32,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:35:32,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:32,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:32,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:35:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:32,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:32,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:32,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:35:32,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:32,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:35:32,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:32,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:32,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:35:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:32,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:32,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:32,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:32,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:33,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:37,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:37,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:35:37,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:35:37,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 21:35:37,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:37,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:35:37,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:35:37,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:35:37,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:37,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:37,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:37,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:37,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:35:37,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:37,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:35:37,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:37,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:37,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:37,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:37,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:37,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:37,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:37,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:37,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:35:37,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:37,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:35:37,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:37,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:37,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:37,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:37,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:37,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:37,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:37,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:37,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:37,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:37,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:35:37,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:37,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:37,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:35:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:37,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:37,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:37,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:37,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:37,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:35:37,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:37,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:37,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:35:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:37,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:35:38,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:35:38,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:38,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:35:38,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:35:38,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:38,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:38,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:38,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:38,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:38,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:38,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:38,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:35:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:38,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:38,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:38,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:35:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:35:38,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:35:38,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-27 21:35:38,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:35:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:35:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:35:38,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:35:38,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 21:35:38,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:35:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:35:38,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:35:38,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:35:38,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:35:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:35:38,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:35:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:35:38,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:35:38,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:35:38,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:38,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:35:38,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 21:35:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:35:38,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:35:38,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:38,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:35:38,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:38,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:38,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:38,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:38,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:38,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:38,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:35:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:38,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:38,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:38,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:38,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:38,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:35:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:35:38,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:35:38,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:35:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:38,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:38,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:35:38,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:38,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:38,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:38,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 21:35:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:38,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:38,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:38,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 21:35:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:38,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:38,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:38,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 21:35:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:38,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:38,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:38,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 21:35:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:38,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:38,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:38,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:38,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:38,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:38,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:38,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:38,599 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 21:35:38,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375025930] [2020-10-27 21:35:38,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:35:38,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:35:38,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107764083] [2020-10-27 21:35:38,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:35:38,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:35:38,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:35:38,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:35:38,605 INFO L87 Difference]: Start difference. First operand 454 states and 600 transitions. Second operand 19 states. [2020-10-27 21:35:42,257 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-27 21:35:45,751 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 21:35:47,800 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:35:49,977 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:35:52,209 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 21:35:56,203 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:36:15,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:36:15,003 INFO L93 Difference]: Finished difference Result 1318 states and 1936 transitions. [2020-10-27 21:36:15,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-27 21:36:15,011 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 162 [2020-10-27 21:36:15,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:36:15,022 INFO L225 Difference]: With dead ends: 1318 [2020-10-27 21:36:15,022 INFO L226 Difference]: Without dead ends: 925 [2020-10-27 21:36:15,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=597, Invalid=2265, Unknown=0, NotChecked=0, Total=2862 [2020-10-27 21:36:15,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-10-27 21:36:15,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 494. [2020-10-27 21:36:15,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-10-27 21:36:15,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 668 transitions. [2020-10-27 21:36:15,361 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 668 transitions. Word has length 162 [2020-10-27 21:36:15,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:36:15,362 INFO L481 AbstractCegarLoop]: Abstraction has 494 states and 668 transitions. [2020-10-27 21:36:15,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:36:15,362 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 668 transitions. [2020-10-27 21:36:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-27 21:36:15,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:36:15,366 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:36:15,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:36:15,366 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:36:15,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:36:15,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1343119457, now seen corresponding path program 1 times [2020-10-27 21:36:15,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:36:15,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [864913008] [2020-10-27 21:36:15,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:36:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:15,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:15,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:15,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:15,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:15,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:15,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:15,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:18,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:18,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:18,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:20,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:20,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-27 21:36:20,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 21:36:20,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 21:36:20,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:20,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:36:20,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-27 21:36:20,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:36:20,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:22,469 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:36:22,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:36:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:22,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:22,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:22,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:36:22,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:22,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 21:36:22,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:22,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:22,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:22,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:22,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:22,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:36:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:22,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:22,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:22,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:36:22,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:22,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:36:22,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:22,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:36:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:22,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:22,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:22,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:36:22,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:22,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:36:22,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:22,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:22,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:22,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:22,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:22,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:36:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:22,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:22,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:22,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:36:22,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:22,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:36:22,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:22,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:22,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:36:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:22,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:22,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:22,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:22,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:22,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:22,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:27,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 21:36:27,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:36:27,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:36:27,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:36:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:36:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 21:36:27,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:27,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:27,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:27,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:36:27,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:27,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:36:27,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:27,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:27,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:27,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:27,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:27,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:27,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:27,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:36:27,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:27,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:27,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:27,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:27,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:27,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:27,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:27,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:27,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:27,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:27,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:27,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:27,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:27,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:27,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:27,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:27,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:27,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:36:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:27,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:27,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:27,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:27,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:27,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:27,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:27,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:36:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:27,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:27,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:36:27,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:27,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:36:27,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:27,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:27,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:27,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:27,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:36:27,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:27,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:27,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:27,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:27,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:27,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:27,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:27,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:27,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:27,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:27,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:27,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:27,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:27,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:27,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:36:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:27,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:27,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:27,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:27,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:27,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:27,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:27,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:36:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:27,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:27,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:36:27,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:36:27,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 21:36:27,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:27,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:36:27,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:36:27,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 21:36:27,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:27,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:27,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:27,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:36:27,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:36:27,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 21:36:27,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:27,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:36:27,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:27,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:36:27,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:27,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:27,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:27,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:36:27,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:36:27,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:36:27,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:27,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:36:27,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:27,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:36:27,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:27,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:36:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:27,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:27,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:27,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:36:27,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:27,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:36:27,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:27,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:36:27,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:36:27,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:36:27,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:28,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 21:36:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:28,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:28,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:28,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:36:28,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:28,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:36:28,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:28,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:28,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:36:28,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:28,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:28,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:28,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:28,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:28,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:28,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:28,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:28,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:28,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:28,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:28,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:36:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:28,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:28,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:28,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:28,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:28,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:28,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:28,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:28,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:28,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:36:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:28,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:28,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:28,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:36:28,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:28,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:36:28,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:28,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:36:28,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:28,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:28,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:28,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:28,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:28,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:28,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:28,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:36:28,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:28,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:28,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:28,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:28,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:28,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:36:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:28,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:28,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:28,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:28,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:28,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:36:28,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:36:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:28,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:28,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 21:36:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:28,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:28,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:28,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:28,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:28,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:28,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:28,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:28,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:36:28,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:28,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:28,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 21:36:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:28,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:28,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:28,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:28,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:28,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:36:28,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:28,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:28,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:36:28,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:28,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:28,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 21:36:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:28,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:28,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:28,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:28,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:28,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:36:28,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:36:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:28,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 21:36:28,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [864913008] [2020-10-27 21:36:28,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:36:28,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:36:28,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409851297] [2020-10-27 21:36:28,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:36:28,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:36:28,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:36:28,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:36:28,256 INFO L87 Difference]: Start difference. First operand 494 states and 668 transitions. Second operand 19 states. [2020-10-27 21:36:31,911 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:36:34,127 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 21:36:36,460 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:36:39,818 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:36:42,164 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 21:36:44,398 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-27 21:36:46,912 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:37:07,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:37:07,548 INFO L93 Difference]: Finished difference Result 1586 states and 2446 transitions. [2020-10-27 21:37:07,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 21:37:07,555 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 164 [2020-10-27 21:37:07,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:37:07,567 INFO L225 Difference]: With dead ends: 1586 [2020-10-27 21:37:07,567 INFO L226 Difference]: Without dead ends: 1160 [2020-10-27 21:37:07,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=460, Invalid=1702, Unknown=0, NotChecked=0, Total=2162 [2020-10-27 21:37:07,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2020-10-27 21:37:07,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 571. [2020-10-27 21:37:07,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-10-27 21:37:07,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 800 transitions. [2020-10-27 21:37:07,864 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 800 transitions. Word has length 164 [2020-10-27 21:37:07,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:37:07,865 INFO L481 AbstractCegarLoop]: Abstraction has 571 states and 800 transitions. [2020-10-27 21:37:07,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:37:07,865 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 800 transitions. [2020-10-27 21:37:07,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 21:37:07,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:37:07,869 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:37:07,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:37:07,869 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:37:07,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:37:07,870 INFO L82 PathProgramCache]: Analyzing trace with hash 668089498, now seen corresponding path program 1 times [2020-10-27 21:37:07,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:37:07,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370880424] [2020-10-27 21:37:07,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:37:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:07,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:12,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:12,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 21:37:12,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:37:12,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 21:37:12,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:12,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:37:12,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-27 21:37:12,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 21:37:12,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:14,980 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:37:14,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:37:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:14,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:37:15,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 21:37:15,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:15,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:15,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:37:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:37:15,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:37:15,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:15,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:15,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:37:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:37:15,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:37:15,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:15,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:15,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:37:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:37:15,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:37:15,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:15,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:15,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:37:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 21:37:15,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:37:15,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-10-27 21:37:15,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:37:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 21:37:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 21:37:15,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:37:15,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:37:15,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:15,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:37:15,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:37:15,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:15,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:15,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:15,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:15,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:15,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:37:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:15,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:15,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:15,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:37:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:37:15,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:37:15,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 21:37:15,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:37:15,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:37:15,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:37:15,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:37:15,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:37:15,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:37:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:37:15,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:15,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:37:15,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:37:15,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:37:15,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:37:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:15,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:37:15,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:37:15,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:37:15,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:37:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 21:37:15,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:37:15,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:15,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 21:37:15,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:15,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:37:15,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:37:15,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:37:15,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:37:15,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:15,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:37:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:37:15,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:15,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:15,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:15,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 21:37:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:15,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:37:15,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:15,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:37:15,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:37:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:15,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:16,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:16,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:16,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:16,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:16,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:16,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:16,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:16,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:16,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:16,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:16,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:16,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:37:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:16,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:16,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:16,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:16,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:16,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:16,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:16,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:16,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 21:37:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:16,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:16,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:16,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:37:16,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:16,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:37:16,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:16,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:16,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:37:16,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:16,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:16,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:16,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:16,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:16,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:16,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:16,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:37:16,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:16,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:16,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 21:37:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:16,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:16,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:16,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:16,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:37:16,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 21:37:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:16,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:16,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:16,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:16,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:16,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:16,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:16,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:16,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:16,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:16,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:16,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 21:37:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:16,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:16,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:16,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:16,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:16,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:16,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:16,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:16,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 21:37:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:16,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:16,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:16,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:16,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:16,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:16,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:16,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:16,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:16,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 21:37:16,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370880424] [2020-10-27 21:37:16,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:37:16,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 21:37:16,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340262260] [2020-10-27 21:37:16,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:37:16,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:37:16,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:37:16,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:37:16,263 INFO L87 Difference]: Start difference. First operand 571 states and 800 transitions. Second operand 19 states. [2020-10-27 21:37:20,078 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 562