/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:58:01,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:58:01,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:58:01,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:58:01,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:58:01,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:58:01,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:58:01,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:58:01,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:58:01,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:58:01,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:58:01,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:58:01,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:58:01,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:58:01,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:58:01,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:58:01,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:58:01,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:58:01,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:58:01,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:58:01,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:58:01,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:58:01,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:58:01,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:58:01,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:58:01,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:58:01,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:58:01,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:58:01,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:58:01,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:58:01,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:58:01,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:58:01,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:58:01,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:58:01,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:58:01,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:58:01,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:58:01,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:58:01,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:58:01,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:58:01,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:58:01,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:58:01,533 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:58:01,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:58:01,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:58:01,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:58:01,538 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:58:01,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:58:01,538 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:58:01,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:58:01,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:58:01,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:58:01,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:58:01,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:58:01,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:58:01,540 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:58:01,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:58:01,540 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:58:01,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:58:01,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:58:01,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:58:01,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:58:01,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:58:01,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:58:01,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:58:01,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:58:01,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:58:01,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:58:01,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:58:01,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:58:01,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:58:01,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:58:02,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:58:02,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:58:02,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:58:02,068 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:58:02,069 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:58:02,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2020-10-27 02:58:02,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14974c6bc/4f01a17d6af3441db412326d46141f87/FLAG50dd38926 [2020-10-27 02:58:03,023 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:58:03,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2020-10-27 02:58:03,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14974c6bc/4f01a17d6af3441db412326d46141f87/FLAG50dd38926 [2020-10-27 02:58:03,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14974c6bc/4f01a17d6af3441db412326d46141f87 [2020-10-27 02:58:03,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:58:03,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:58:03,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:58:03,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:58:03,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:58:03,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:58:03" (1/1) ... [2020-10-27 02:58:03,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0b87e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:58:03, skipping insertion in model container [2020-10-27 02:58:03,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:58:03" (1/1) ... [2020-10-27 02:58:03,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:58:03,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:58:04,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:58:04,036 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:58:04,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:58:04,286 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:58:04,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:58:04 WrapperNode [2020-10-27 02:58:04,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:58:04,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:58:04,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:58:04,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:58:04,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:58:04" (1/1) ... [2020-10-27 02:58:04,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:58:04" (1/1) ... [2020-10-27 02:58:04,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:58:04" (1/1) ... [2020-10-27 02:58:04,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:58:04" (1/1) ... [2020-10-27 02:58:04,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:58:04" (1/1) ... [2020-10-27 02:58:04,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:58:04" (1/1) ... [2020-10-27 02:58:04,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:58:04" (1/1) ... [2020-10-27 02:58:04,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:58:04,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:58:04,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:58:04,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:58:04,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:58:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:58:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:58:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:58:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:58:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:58:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:58:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 02:58:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:58:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:58:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:58:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:58:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:58:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 02:58:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 02:58:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 02:58:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 02:58:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 02:58:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 02:58:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 02:58:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 02:58:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 02:58:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 02:58:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 02:58:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 02:58:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 02:58:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 02:58:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 02:58:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 02:58:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 02:58:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 02:58:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 02:58:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 02:58:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 02:58:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 02:58:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 02:58:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 02:58:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 02:58:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 02:58:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 02:58:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 02:58:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 02:58:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 02:58:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 02:58:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 02:58:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 02:58:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 02:58:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 02:58:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 02:58:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 02:58:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 02:58:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 02:58:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 02:58:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 02:58:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 02:58:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 02:58:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 02:58:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 02:58:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 02:58:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 02:58:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 02:58:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 02:58:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 02:58:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2020-10-27 02:58:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-27 02:58:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 02:58:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 02:58:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 02:58:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 02:58:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:58:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:58:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:58:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:58:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:58:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:58:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 02:58:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 02:58:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 02:58:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 02:58:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 02:58:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 02:58:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 02:58:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 02:58:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:58:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:58:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 02:58:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 02:58:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 02:58:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 02:58:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 02:58:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 02:58:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 02:58:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 02:58:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 02:58:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-27 02:58:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-27 02:58:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 02:58:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 02:58:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-27 02:58:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2020-10-27 02:58:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 02:58:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 02:58:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-27 02:58:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 02:58:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 02:58:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 02:58:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 02:58:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 02:58:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 02:58:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 02:58:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 02:58:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 02:58:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 02:58:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 02:58:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-27 02:58:04,607 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-27 02:58:04,607 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 02:58:04,607 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 02:58:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 02:58:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2020-10-27 02:58:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:58:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:58:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:58:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:58:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:58:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:58:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:58:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 02:58:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 02:58:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-27 02:58:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 02:58:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 02:58:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 02:58:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 02:58:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 02:58:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-27 02:58:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 02:58:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 02:58:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 02:58:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:58:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:58:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:58:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:58:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:58:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 02:58:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 02:58:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 02:58:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 02:58:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 02:58:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 02:58:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 02:58:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 02:58:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 02:58:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 02:58:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 02:58:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 02:58:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 02:58:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 02:58:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 02:58:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 02:58:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 02:58:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 02:58:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 02:58:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 02:58:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 02:58:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 02:58:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 02:58:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 02:58:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 02:58:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 02:58:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 02:58:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 02:58:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 02:58:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 02:58:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 02:58:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 02:58:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 02:58:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 02:58:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 02:58:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 02:58:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 02:58:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 02:58:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 02:58:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 02:58:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 02:58:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 02:58:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 02:58:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 02:58:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 02:58:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 02:58:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 02:58:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 02:58:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 02:58:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 02:58:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 02:58:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 02:58:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 02:58:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 02:58:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2020-10-27 02:58:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-27 02:58:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:58:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:58:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:58:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:58:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:58:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:58:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:58:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:58:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:58:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:58:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:58:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:58:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:58:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:58:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:58:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 02:58:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 02:58:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 02:58:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 02:58:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 02:58:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 02:58:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 02:58:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 02:58:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 02:58:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 02:58:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 02:58:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:58:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:58:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 02:58:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 02:58:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 02:58:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 02:58:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 02:58:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 02:58:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 02:58:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 02:58:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 02:58:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 02:58:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 02:58:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-27 02:58:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-27 02:58:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 02:58:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 02:58:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 02:58:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2020-10-27 02:58:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-27 02:58:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2020-10-27 02:58:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-27 02:58:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 02:58:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 02:58:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:58:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:58:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:58:07,324 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:58:07,324 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 02:58:07,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:58:07 BoogieIcfgContainer [2020-10-27 02:58:07,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:58:07,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:58:07,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:58:07,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:58:07,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:58:03" (1/3) ... [2020-10-27 02:58:07,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:58:07, skipping insertion in model container [2020-10-27 02:58:07,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:58:04" (2/3) ... [2020-10-27 02:58:07,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:58:07, skipping insertion in model container [2020-10-27 02:58:07,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:58:07" (3/3) ... [2020-10-27 02:58:07,337 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product27.cil.c [2020-10-27 02:58:07,350 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:58:07,357 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:58:07,371 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:58:07,406 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:58:07,407 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:58:07,407 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:58:07,407 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:58:07,407 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:58:07,407 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:58:07,407 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:58:07,407 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:58:07,442 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states. [2020-10-27 02:58:07,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-27 02:58:07,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:58:07,475 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:58:07,475 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:58:07,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:58:07,483 INFO L82 PathProgramCache]: Analyzing trace with hash -52374194, now seen corresponding path program 1 times [2020-10-27 02:58:07,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:58:07,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2121061798] [2020-10-27 02:58:07,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:58:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:08,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:08,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:08,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:09,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:09,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:13,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:13,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-27 02:58:13,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:58:13,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 02:58:13,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:58:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 02:58:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:58:13,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:58:15,134 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 02:58:15,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:58:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:15,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:15,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:15,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:58:15,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:15,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 02:58:15,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:15,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:15,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:58:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:15,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:15,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:15,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:58:15,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:15,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:15,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:15,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:15,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:15,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:58:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:15,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:15,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:15,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:58:15,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:15,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:15,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:15,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:15,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:58:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:15,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:15,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:15,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:58:15,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:15,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:15,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:15,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:15,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:15,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:58:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:15,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:15,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:15,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:15,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 02:58:20,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:58:20,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 02:58:20,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:58:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:58:20,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:58:20,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:58:20,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:58:20,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:20,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:58:20,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:58:20,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:20,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:20,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:20,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:20,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:20,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:20,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:58:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:20,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:20,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:20,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:20,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:20,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:58:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:58:20,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:58:20,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-27 02:58:20,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:58:20,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:58:20,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:58:20,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:58:20,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:58:20,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:58:20,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:20,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:58:20,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:20,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:20,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:20,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:20,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:20,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:58:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:20,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:58:20,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:58:20,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:20,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:58:20,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 02:58:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:58:20,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:58:20,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:20,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:58:20,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:20,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:58:20,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:58:20,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:20,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:20,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:20,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:20,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:58:20,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:20,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:20,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:20,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:58:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:20,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:58:20,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:20,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:20,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:20,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 02:58:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:58:20,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:58:20,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:58:20,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:20,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:20,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:20,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:20,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:20,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:58:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:20,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:20,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:20,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:20,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:20,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:20,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:20,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:20,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:20,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:20,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:21,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 02:58:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:21,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:21,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:21,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:58:21,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:21,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:58:21,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:58:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:21,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:21,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:21,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:21,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:21,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:21,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:21,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:21,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:21,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:21,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 02:58:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:21,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:21,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:21,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:21,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:21,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:21,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:21,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:21,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:21,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:21,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:21,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 02:58:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:21,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:21,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:21,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:21,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:21,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:21,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:21,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:21,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:21,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:21,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:21,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 02:58:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:21,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:21,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:21,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:21,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:21,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:21,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:21,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:21,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:21,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 02:58:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:21,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:21,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:21,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:21,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:21,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:21,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:21,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:21,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:21,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:21,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:21,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 02:58:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:21,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:21,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:21,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:21,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:21,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:21,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:21,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 02:58:21,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2121061798] [2020-10-27 02:58:21,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:58:21,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 02:58:21,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842900053] [2020-10-27 02:58:21,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:58:21,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:58:21,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:58:21,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:58:21,204 INFO L87 Difference]: Start difference. First operand 623 states. Second operand 16 states. [2020-10-27 02:58:26,082 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 587 [2020-10-27 02:58:28,781 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 02:58:31,017 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-27 02:58:33,748 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-27 02:59:07,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:59:07,333 INFO L93 Difference]: Finished difference Result 1738 states and 2665 transitions. [2020-10-27 02:59:07,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-27 02:59:07,347 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 158 [2020-10-27 02:59:07,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:59:07,381 INFO L225 Difference]: With dead ends: 1738 [2020-10-27 02:59:07,381 INFO L226 Difference]: Without dead ends: 1015 [2020-10-27 02:59:07,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1743 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=1043, Invalid=4069, Unknown=0, NotChecked=0, Total=5112 [2020-10-27 02:59:07,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2020-10-27 02:59:07,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 605. [2020-10-27 02:59:07,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2020-10-27 02:59:07,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 820 transitions. [2020-10-27 02:59:07,861 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 820 transitions. Word has length 158 [2020-10-27 02:59:07,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:59:07,863 INFO L481 AbstractCegarLoop]: Abstraction has 605 states and 820 transitions. [2020-10-27 02:59:07,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 02:59:07,864 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 820 transitions. [2020-10-27 02:59:07,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 02:59:07,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:59:07,879 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:59:07,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:59:07,880 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:59:07,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:59:07,881 INFO L82 PathProgramCache]: Analyzing trace with hash 2133689359, now seen corresponding path program 1 times [2020-10-27 02:59:07,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:59:07,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894229909] [2020-10-27 02:59:07,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:59:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:08,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:08,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:08,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:08,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:08,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:12,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:12,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-27 02:59:12,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:59:12,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 02:59:12,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:59:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 02:59:12,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:59:12,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:15,127 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 02:59:15,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:59:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:15,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:15,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:15,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:59:15,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:15,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 02:59:15,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:15,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:15,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:59:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:15,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:15,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:15,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:59:15,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:15,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:59:15,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:15,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:15,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:59:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:15,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:15,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:15,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:59:15,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:59:15,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:15,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:59:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:15,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:15,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:15,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:59:15,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:15,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:15,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:15,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:15,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:59:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:15,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:15,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:15,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:15,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:15,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 02:59:20,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:59:20,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 02:59:20,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:59:20,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:59:20,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:59:20,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:20,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:59:20,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:20,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:59:20,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:20,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:20,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:20,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:59:20,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:20,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:59:20,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:20,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:59:20,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:20,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:20,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:20,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:59:20,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:59:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:20,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:20,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:20,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:20,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:20,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:59:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 02:59:20,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:59:20,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-27 02:59:20,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:59:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:59:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:59:20,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:20,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:59:20,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:20,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:59:20,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:59:20,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:20,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:59:20,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:20,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:20,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:59:20,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:59:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:59:20,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:20,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:59:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:59:20,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:20,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:59:20,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:59:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:59:20,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:20,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 02:59:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:59:20,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:20,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:59:20,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:20,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:59:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:20,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:20,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:59:20,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:20,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:59:20,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:20,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:20,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:20,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:20,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:20,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:20,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:20,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:20,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:20,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:20,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:59:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:20,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:20,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:20,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:20,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:20,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 02:59:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:59:20,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:20,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:59:20,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:20,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:59:20,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:20,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:20,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:20,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:20,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:20,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:20,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:20,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:20,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:59:20,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:59:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:20,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:21,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:21,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:21,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:21,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:59:21,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:21,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:21,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 02:59:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:21,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:21,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:21,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:59:21,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:21,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:59:21,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:21,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:21,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:59:21,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:21,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:21,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:21,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:21,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:21,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:21,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:21,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:21,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:21,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:21,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:21,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:21,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 02:59:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:21,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:21,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:21,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:21,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:21,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:21,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:21,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:21,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:59:21,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:21,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:59:21,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 02:59:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:21,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:21,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:21,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:21,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:21,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:21,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:59:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:21,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:21,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 02:59:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:21,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:21,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:21,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:21,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:21,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:59:21,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:21,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:21,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:59:21,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:21,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:21,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 02:59:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:21,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:21,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:21,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:21,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:21,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:21,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:21,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:21,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:59:21,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:21,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:21,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 02:59:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:21,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:21,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:21,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:21,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:21,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:21,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:21,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:21,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:59:21,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:21,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 02:59:21,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894229909] [2020-10-27 02:59:21,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:59:21,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 02:59:21,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421941118] [2020-10-27 02:59:21,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 02:59:21,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:59:21,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 02:59:21,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 02:59:21,225 INFO L87 Difference]: Start difference. First operand 605 states and 820 transitions. Second operand 18 states. [2020-10-27 02:59:26,045 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 02:59:29,148 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 02:59:31,423 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-27 02:59:33,792 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-27 02:59:36,091 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-27 03:00:01,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:00:01,083 INFO L93 Difference]: Finished difference Result 1576 states and 2295 transitions. [2020-10-27 03:00:01,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-27 03:00:01,084 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 160 [2020-10-27 03:00:01,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:00:01,099 INFO L225 Difference]: With dead ends: 1576 [2020-10-27 03:00:01,099 INFO L226 Difference]: Without dead ends: 1017 [2020-10-27 03:00:01,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 03:00:01,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-10-27 03:00:01,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 607. [2020-10-27 03:00:01,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-10-27 03:00:01,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 822 transitions. [2020-10-27 03:00:01,453 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 822 transitions. Word has length 160 [2020-10-27 03:00:01,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:00:01,453 INFO L481 AbstractCegarLoop]: Abstraction has 607 states and 822 transitions. [2020-10-27 03:00:01,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 03:00:01,453 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 822 transitions. [2020-10-27 03:00:01,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 03:00:01,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:00:01,456 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:00:01,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:00:01,457 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:00:01,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:00:01,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1078243256, now seen corresponding path program 1 times [2020-10-27 03:00:01,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:00:01,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483495770] [2020-10-27 03:00:01,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:00:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:01,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:01,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:01,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:01,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:06,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:06,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-27 03:00:06,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:00:06,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-27 03:00:06,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:06,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:00:06,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 03:00:06,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:00:06,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:08,844 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 03:00:08,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:00:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:08,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:08,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:08,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:00:08,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:08,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 03:00:08,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:08,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:08,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:00:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:08,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:08,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:08,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:00:08,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:00:08,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:08,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:08,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:00:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:08,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:08,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:08,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:00:08,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:08,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:00:08,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:08,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:08,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:08,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:08,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:08,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:00:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:08,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:08,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:08,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:00:08,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:08,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:08,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:08,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:00:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 03:00:09,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:00:09,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 423 [2020-10-27 03:00:09,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:00:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 03:00:09,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:00:09,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:00:09,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:00:09,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:00:09,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:00:09,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:09,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:09,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:00:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:09,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:09,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:00:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:00:09,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:00:09,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:00:09,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:00:09,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:00:09,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:09,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:00:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:00:09,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:00:09,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:00:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:00:09,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:00:09,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 03:00:09,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:00:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:00:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:00:09,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:00:09,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:00:09,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:00:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:00:09,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:09,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:09,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:00:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:09,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:00:09,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:00:09,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:00:09,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 03:00:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:00:09,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:00:09,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:00:09,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:09,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:09,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:10,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:00:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:10,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:10,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:10,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:10,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:10,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:10,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:10,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:10,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:10,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:00:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:10,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:10,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:00:10,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:10,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:00:10,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:00:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:10,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:10,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:10,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:10,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:10,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:10,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:10,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:10,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:10,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:10,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:10,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:10,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:10,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 03:00:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:10,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:10,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:10,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:10,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:10,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:10,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:10,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:10,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:10,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:10,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 03:00:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:10,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:10,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:10,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:10,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:10,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:10,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:10,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:10,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:10,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:10,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:10,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 03:00:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:10,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:10,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:10,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:10,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:10,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:10,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:10,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:10,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 03:00:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:10,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:10,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:10,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:10,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:10,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:10,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:10,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:10,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:10,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:10,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:10,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 03:00:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:10,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:10,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:10,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:10,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:10,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:10,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:10,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:10,203 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 03:00:10,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483495770] [2020-10-27 03:00:10,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:00:10,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 03:00:10,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221976544] [2020-10-27 03:00:10,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 03:00:10,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:00:10,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 03:00:10,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:00:10,206 INFO L87 Difference]: Start difference. First operand 607 states and 822 transitions. Second operand 16 states. [2020-10-27 03:00:13,737 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 03:00:16,707 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-27 03:00:19,897 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-27 03:00:45,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:00:45,531 INFO L93 Difference]: Finished difference Result 1556 states and 2268 transitions. [2020-10-27 03:00:45,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 03:00:45,532 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 161 [2020-10-27 03:00:45,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:00:45,540 INFO L225 Difference]: With dead ends: 1556 [2020-10-27 03:00:45,540 INFO L226 Difference]: Without dead ends: 1017 [2020-10-27 03:00:45,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=338, Invalid=1068, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 03:00:45,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-10-27 03:00:45,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 607. [2020-10-27 03:00:45,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-10-27 03:00:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 821 transitions. [2020-10-27 03:00:45,805 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 821 transitions. Word has length 161 [2020-10-27 03:00:45,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:00:45,806 INFO L481 AbstractCegarLoop]: Abstraction has 607 states and 821 transitions. [2020-10-27 03:00:45,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 03:00:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 821 transitions. [2020-10-27 03:00:45,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-27 03:00:45,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:00:45,810 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 03:00:45,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:00:45,810 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:00:45,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:00:45,811 INFO L82 PathProgramCache]: Analyzing trace with hash 668430039, now seen corresponding path program 2 times [2020-10-27 03:00:45,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:00:45,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490943070] [2020-10-27 03:00:45,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:00:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:45,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:45,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:46,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:46,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:50,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:50,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 03:00:50,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:00:50,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-27 03:00:50,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:50,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:00:50,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 03:00:50,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 03:00:50,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:53,230 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 03:00:53,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:00:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:53,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:53,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:53,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:00:53,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:53,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 03:00:53,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:53,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:53,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:53,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:53,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:53,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:00:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:53,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:53,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:53,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:00:53,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:53,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:53,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:53,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:53,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:53,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:00:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:53,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:53,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:53,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:00:53,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:53,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:00:53,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:53,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:53,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:53,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:53,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:53,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:00:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:53,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:53,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:53,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:00:53,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:53,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:00:53,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:53,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:53,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:53,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:53,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:53,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:00:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:53,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:53,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:53,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:53,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:53,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:58,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 03:00:58,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:00:58,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 03:00:58,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:58,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 03:00:58,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:58,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 03:00:58,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:58,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:58,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:58,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:00:58,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:58,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:00:58,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:58,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:00:58,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:58,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 03:00:58,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:58,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:58,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:58,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:00:58,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:58,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:58,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:58,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:58,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:58,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:58,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:58,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:58,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:58,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:58,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:58,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:58,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:58,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:58,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:58,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:58,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:58,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:00:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:58,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:58,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:58,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:58,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:00:58,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:00:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:00:58,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:58,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:00:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:58,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:58,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:00:58,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:58,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 03:00:58,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:58,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:00:58,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:00:58,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 03:00:58,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:58,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:58,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:58,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:00:58,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:00:58,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:00:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:00:58,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:58,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:58,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:58,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:00:58,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:58,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:58,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:58,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:58,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:58,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:58,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:58,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:00:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:58,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:58,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:00:58,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:58,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:00:58,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:58,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:00:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:00:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 03:00:58,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:58,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:00:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:58,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:58,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:00:58,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:00:58,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-27 03:00:58,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:58,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:00:58,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:00:58,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 03:00:58,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:58,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:58,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:58,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:00:58,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:58,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:00:58,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:58,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:00:58,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:58,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:00:58,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:58,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:58,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:58,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:58,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:58,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:58,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:58,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:58,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:58,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:58,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:58,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:00:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:58,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:58,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:58,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:00:58,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:58,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:00:58,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:00:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:00:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 03:00:58,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:58,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 03:00:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:59,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:59,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:59,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:00:59,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:59,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:00:59,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:59,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:00:59,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:59,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 03:00:59,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:59,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:59,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:59,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:59,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:59,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:59,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:59,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:59,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:59,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:59,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:59,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:59,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:00:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:59,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:59,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:59,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:59,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:59,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:59,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:59,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:59,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:59,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:59,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:59,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 03:00:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:59,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:59,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:59,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:00:59,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:59,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:00:59,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:59,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:00:59,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:00:59,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:00:59,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:59,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:59,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:59,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:59,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:59,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:59,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:00:59,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:59,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:00:59,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:59,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:00:59,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:59,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 03:00:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:59,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:59,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:59,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:59,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:59,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:59,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:59,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:59,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:59,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:59,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 03:00:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:59,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:59,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:59,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:59,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:59,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:59,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:59,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:59,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:59,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:59,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:59,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 03:00:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:59,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:59,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:59,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:59,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:59,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:59,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:59,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:59,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 03:00:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:59,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:59,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:59,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:59,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:59,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:59,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:59,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:59,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:59,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 03:00:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:59,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:59,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:59,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:59,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:59,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:59,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:59,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:59,421 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-27 03:00:59,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490943070] [2020-10-27 03:00:59,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:00:59,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 03:00:59,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615257986] [2020-10-27 03:00:59,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 03:00:59,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:00:59,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 03:00:59,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2020-10-27 03:00:59,425 INFO L87 Difference]: Start difference. First operand 607 states and 821 transitions. Second operand 20 states. [2020-10-27 03:01:03,604 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 03:01:06,664 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-27 03:01:09,375 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 03:01:12,299 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-27 03:01:21,713 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 581 [2020-10-27 03:01:26,526 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 584 DAG size of output: 581 [2020-10-27 03:01:31,019 WARN L193 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 584 DAG size of output: 581 [2020-10-27 03:01:38,338 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 588 DAG size of output: 581 [2020-10-27 03:01:42,799 WARN L193 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 591 DAG size of output: 584