/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:06:30,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:06:30,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:06:30,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:06:30,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:06:30,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:06:30,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:06:30,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:06:30,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:06:30,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:06:30,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:06:30,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:06:30,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:06:30,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:06:30,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:06:30,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:06:30,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:06:30,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:06:30,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:06:30,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:06:30,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:06:30,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:06:30,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:06:30,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:06:30,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:06:30,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:06:30,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:06:30,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:06:30,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:06:30,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:06:30,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:06:30,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:06:30,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:06:30,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:06:30,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:06:30,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:06:30,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:06:30,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:06:30,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:06:30,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:06:30,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:06:30,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 03:06:30,607 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:06:30,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:06:30,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:06:30,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:06:30,609 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:06:30,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:06:30,609 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:06:30,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:06:30,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:06:30,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:06:30,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:06:30,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:06:30,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:06:30,611 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:06:30,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:06:30,611 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:06:30,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:06:30,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:06:30,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:06:30,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:06:30,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:06:30,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:06:30,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:06:30,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:06:30,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:06:30,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:06:30,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:06:30,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:06:30,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:06:30,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:06:30,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:06:30,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:06:31,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:06:31,002 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:06:31,002 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:06:31,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product23.cil.c [2020-10-27 03:06:31,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab74e1149/1784e4b0c2c94cd285e57f98fb5f62e4/FLAGc0c52f539 [2020-10-27 03:06:31,975 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:06:31,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec7_product23.cil.c [2020-10-27 03:06:32,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab74e1149/1784e4b0c2c94cd285e57f98fb5f62e4/FLAGc0c52f539 [2020-10-27 03:06:32,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab74e1149/1784e4b0c2c94cd285e57f98fb5f62e4 [2020-10-27 03:06:32,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:06:32,100 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:06:32,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:06:32,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:06:32,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:06:32,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:06:32" (1/1) ... [2020-10-27 03:06:32,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c65936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:32, skipping insertion in model container [2020-10-27 03:06:32,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:06:32" (1/1) ... [2020-10-27 03:06:32,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:06:32,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:06:33,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:06:33,036 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:06:33,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:06:33,387 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:06:33,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:33 WrapperNode [2020-10-27 03:06:33,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:06:33,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:06:33,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:06:33,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:06:33,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:33" (1/1) ... [2020-10-27 03:06:33,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:33" (1/1) ... [2020-10-27 03:06:33,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:33" (1/1) ... [2020-10-27 03:06:33,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:33" (1/1) ... [2020-10-27 03:06:33,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:33" (1/1) ... [2020-10-27 03:06:33,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:33" (1/1) ... [2020-10-27 03:06:33,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:33" (1/1) ... [2020-10-27 03:06:33,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:06:33,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:06:33,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:06:33,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:06:33,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:06:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:06:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:06:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:06:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:06:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 03:06:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-27 03:06:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2020-10-27 03:06:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 03:06:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 03:06:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-27 03:06:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 03:06:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 03:06:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 03:06:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 03:06:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 03:06:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 03:06:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 03:06:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 03:06:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 03:06:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 03:06:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-27 03:06:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-27 03:06:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 03:06:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 03:06:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 03:06:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-27 03:06:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2020-10-27 03:06:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2020-10-27 03:06:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 03:06:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 03:06:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 03:06:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 03:06:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 03:06:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 03:06:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 03:06:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 03:06:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 03:06:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 03:06:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 03:06:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 03:06:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 03:06:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 03:06:33,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 03:06:33,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 03:06:33,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 03:06:33,713 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 03:06:33,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 03:06:33,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 03:06:33,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 03:06:33,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 03:06:33,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 03:06:33,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 03:06:33,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 03:06:33,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:06:33,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:06:33,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:06:33,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:06:33,715 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:06:33,715 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 03:06:33,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 03:06:33,716 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 03:06:33,716 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 03:06:33,716 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 03:06:33,716 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 03:06:33,716 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 03:06:33,716 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 03:06:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 03:06:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 03:06:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 03:06:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 03:06:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 03:06:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 03:06:33,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 03:06:33,718 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 03:06:33,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 03:06:33,718 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 03:06:33,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 03:06:33,718 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 03:06:33,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 03:06:33,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 03:06:33,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 03:06:33,719 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 03:06:33,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 03:06:33,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 03:06:33,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 03:06:33,720 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 03:06:33,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 03:06:33,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:06:33,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:06:33,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:06:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:06:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:06:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:06:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 03:06:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 03:06:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 03:06:33,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 03:06:33,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 03:06:33,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 03:06:33,722 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 03:06:33,722 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 03:06:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:06:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:06:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 03:06:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 03:06:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 03:06:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 03:06:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 03:06:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 03:06:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 03:06:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 03:06:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 03:06:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-27 03:06:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-27 03:06:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:06:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:06:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:06:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:06:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:06:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:06:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:06:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 03:06:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 03:06:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 03:06:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 03:06:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 03:06:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 03:06:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 03:06:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 03:06:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 03:06:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 03:06:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 03:06:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 03:06:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 03:06:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 03:06:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 03:06:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 03:06:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 03:06:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 03:06:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 03:06:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 03:06:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 03:06:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 03:06:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 03:06:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 03:06:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 03:06:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 03:06:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 03:06:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 03:06:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 03:06:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 03:06:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 03:06:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 03:06:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-27 03:06:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-27 03:06:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 03:06:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 03:06:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-27 03:06:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2020-10-27 03:06:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-27 03:06:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 03:06:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-27 03:06:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 03:06:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:06:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 03:06:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 03:06:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 03:06:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 03:06:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2020-10-27 03:06:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2020-10-27 03:06:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 03:06:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 03:06:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 03:06:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 03:06:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 03:06:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 03:06:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 03:06:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 03:06:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 03:06:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 03:06:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:06:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:06:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:06:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:06:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 03:06:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 03:06:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 03:06:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 03:06:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 03:06:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 03:06:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 03:06:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 03:06:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 03:06:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 03:06:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 03:06:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 03:06:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 03:06:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 03:06:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 03:06:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 03:06:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 03:06:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 03:06:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 03:06:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 03:06:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 03:06:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:06:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:06:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:06:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:06:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:06:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:06:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:06:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:06:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:06:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:06:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:06:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:06:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:06:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:06:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:06:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 03:06:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 03:06:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 03:06:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 03:06:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 03:06:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:06:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:06:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:06:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 03:06:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 03:06:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 03:06:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 03:06:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 03:06:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 03:06:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 03:06:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 03:06:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 03:06:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-27 03:06:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-27 03:06:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 03:06:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 03:06:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 03:06:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:06:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:06:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:06:35,984 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:06:35,985 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 03:06:35,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:06:35 BoogieIcfgContainer [2020-10-27 03:06:35,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:06:35,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:06:35,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:06:35,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:06:35,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:06:32" (1/3) ... [2020-10-27 03:06:35,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cd68de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:06:35, skipping insertion in model container [2020-10-27 03:06:35,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:33" (2/3) ... [2020-10-27 03:06:35,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cd68de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:06:35, skipping insertion in model container [2020-10-27 03:06:35,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:06:35" (3/3) ... [2020-10-27 03:06:36,000 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec7_product23.cil.c [2020-10-27 03:06:36,014 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:06:36,021 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:06:36,035 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:06:36,068 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:06:36,068 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:06:36,068 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:06:36,068 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:06:36,068 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:06:36,068 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:06:36,069 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:06:36,069 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:06:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states. [2020-10-27 03:06:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 03:06:36,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:06:36,125 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:06:36,126 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:06:36,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:06:36,132 INFO L82 PathProgramCache]: Analyzing trace with hash 108335384, now seen corresponding path program 1 times [2020-10-27 03:06:36,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:06:36,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409633926] [2020-10-27 03:06:36,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:06:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:36,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:36,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:37,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:37,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:39,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:41,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:41,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-27 03:06:41,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:06:41,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-27 03:06:41,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:06:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 03:06:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:06:41,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:06:43,661 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 03:06:43,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:06:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:43,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:43,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:43,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:06:43,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:43,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 03:06:43,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:43,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:43,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:06:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:43,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:43,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:43,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:06:43,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:43,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:43,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:43,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:43,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:43,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:43,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:43,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:06:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:43,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:43,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:43,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:06:43,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:43,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:43,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:43,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:43,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:43,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:43,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:43,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:06:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:43,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:43,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:43,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:06:43,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:43,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:06:43,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:43,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:43,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:43,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:43,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:43,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:06:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:43,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:43,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:43,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:44,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:48,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:48,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 03:06:48,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:06:48,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 03:06:48,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:06:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 03:06:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:06:48,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:48,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:48,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:48,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:48,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:06:48,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:48,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:06:48,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:48,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:48,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:48,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:48,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:48,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:06:49,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:06:49,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:49,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:06:49,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:06:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:49,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:06:49,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:06:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:06:49,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:06:49,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-27 03:06:49,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:06:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:06:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:06:49,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:06:49,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:06:49,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:06:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:06:49,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 03:06:49,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:49,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:06:49,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:49,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:06:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:49,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 03:06:49,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:06:49,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:49,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:06:49,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:06:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:06:49,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:06:49,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 03:06:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:06:49,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:06:49,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:49,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:06:49,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:06:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:49,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:06:49,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 03:06:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:06:49,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:06:49,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:06:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:49,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:49,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:06:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:49,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:06:49,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:49,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:06:49,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 03:06:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:06:49,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:06:49,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:06:49,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:49,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:06:49,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:49,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 03:06:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:49,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:49,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:06:49,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 03:06:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:49,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:06:49,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:06:49,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:06:49,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 03:06:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:49,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:06:49,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:06:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 03:06:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:49,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:49,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:06:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 03:06:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:49,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:49,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:49,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:06:49,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:49,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:49,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:49,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:49,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:06:49,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:49,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:49,938 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 03:06:49,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409633926] [2020-10-27 03:06:49,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:06:49,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 03:06:49,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142076058] [2020-10-27 03:06:49,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 03:06:49,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:06:49,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 03:06:49,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:06:49,967 INFO L87 Difference]: Start difference. First operand 575 states. Second operand 16 states. [2020-10-27 03:06:54,640 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 03:06:57,410 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-27 03:06:59,799 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 03:07:02,506 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 03:07:27,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:07:27,669 INFO L93 Difference]: Finished difference Result 1576 states and 2450 transitions. [2020-10-27 03:07:27,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-27 03:07:27,677 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 160 [2020-10-27 03:07:27,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:07:27,708 INFO L225 Difference]: With dead ends: 1576 [2020-10-27 03:07:27,708 INFO L226 Difference]: Without dead ends: 923 [2020-10-27 03:07:27,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1724 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=1042, Invalid=4070, Unknown=0, NotChecked=0, Total=5112 [2020-10-27 03:07:27,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-10-27 03:07:28,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 535. [2020-10-27 03:07:28,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2020-10-27 03:07:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 730 transitions. [2020-10-27 03:07:28,084 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 730 transitions. Word has length 160 [2020-10-27 03:07:28,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:07:28,085 INFO L481 AbstractCegarLoop]: Abstraction has 535 states and 730 transitions. [2020-10-27 03:07:28,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 03:07:28,085 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 730 transitions. [2020-10-27 03:07:28,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-27 03:07:28,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:07:28,094 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:07:28,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:07:28,095 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:07:28,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:07:28,095 INFO L82 PathProgramCache]: Analyzing trace with hash -655967410, now seen corresponding path program 1 times [2020-10-27 03:07:28,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:07:28,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135702074] [2020-10-27 03:07:28,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:07:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:28,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:28,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:28,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:28,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:29,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:33,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:33,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-27 03:07:33,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:07:33,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 03:07:33,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:07:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 03:07:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:07:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:35,392 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 03:07:35,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:07:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:35,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:35,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:35,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:07:35,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:35,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 03:07:35,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:35,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:35,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:35,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:35,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:35,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:07:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:35,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:35,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:35,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:07:35,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:35,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:07:35,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:35,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:35,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:35,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:35,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:35,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:07:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:35,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:35,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:35,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:07:35,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:35,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:07:35,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:35,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:35,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:35,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:35,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:35,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:07:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:35,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:35,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:35,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:07:35,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:35,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:35,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:35,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:35,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:35,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:35,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:35,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:07:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:35,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:35,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:35,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:35,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:35,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:40,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:40,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:07:40,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:07:40,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 03:07:40,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:40,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:07:40,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 03:07:40,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:07:40,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:40,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:40,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:40,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:40,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:07:40,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:40,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:07:40,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:40,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:40,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:40,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:40,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:40,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:40,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:40,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:07:40,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:40,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:07:40,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:40,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:40,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:40,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:40,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:40,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:40,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:40,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:40,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:40,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:40,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:40,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:40,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:07:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:40,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:40,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:40,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:40,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:40,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:40,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:40,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:40,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:40,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:40,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:40,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:07:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:40,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:40,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:40,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:40,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:40,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:07:40,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:07:40,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-27 03:07:40,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:07:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:07:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:07:40,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:40,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:40,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:40,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:40,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:07:40,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:07:40,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:07:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:07:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:41,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:07:41,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:07:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:07:41,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:07:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:07:41,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:07:41,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:07:41,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:07:41,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:07:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:07:41,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:07:41,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 03:07:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:07:41,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:07:41,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:41,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:41,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:07:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:41,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:07:41,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 03:07:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:07:41,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:07:41,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:07:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:41,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:41,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:41,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:07:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:41,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:41,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:41,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:07:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:07:41,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:07:41,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:07:41,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:07:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:41,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:41,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:07:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 03:07:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:41,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:41,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:07:41,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 03:07:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:41,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:41,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:07:41,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 03:07:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:41,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:07:41,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:07:41,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 03:07:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:07:41,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:41,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:07:41,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 03:07:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:41,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:41,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:41,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:07:41,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:07:41,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:07:41,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:07:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:07:41,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:07:41,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:07:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 03:07:41,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135702074] [2020-10-27 03:07:41,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:07:41,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 03:07:41,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825049462] [2020-10-27 03:07:41,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 03:07:41,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:07:41,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 03:07:41,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:07:41,501 INFO L87 Difference]: Start difference. First operand 535 states and 730 transitions. Second operand 18 states. [2020-10-27 03:07:44,952 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 03:07:47,612 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 572 [2020-10-27 03:07:50,987 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 03:07:53,290 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 03:08:17,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:08:17,937 INFO L93 Difference]: Finished difference Result 1414 states and 2078 transitions. [2020-10-27 03:08:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 03:08:17,938 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 162 [2020-10-27 03:08:17,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:08:17,948 INFO L225 Difference]: With dead ends: 1414 [2020-10-27 03:08:17,948 INFO L226 Difference]: Without dead ends: 925 [2020-10-27 03:08:17,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=393, Invalid=1413, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 03:08:17,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-10-27 03:08:18,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 537. [2020-10-27 03:08:18,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2020-10-27 03:08:18,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 732 transitions. [2020-10-27 03:08:18,272 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 732 transitions. Word has length 162 [2020-10-27 03:08:18,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:08:18,272 INFO L481 AbstractCegarLoop]: Abstraction has 537 states and 732 transitions. [2020-10-27 03:08:18,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 03:08:18,272 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 732 transitions. [2020-10-27 03:08:18,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-27 03:08:18,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:08:18,276 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:08:18,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:08:18,277 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 03:08:18,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:08:18,277 INFO L82 PathProgramCache]: Analyzing trace with hash 761935491, now seen corresponding path program 1 times [2020-10-27 03:08:18,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:08:18,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607408119] [2020-10-27 03:08:18,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:08:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:18,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:18,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:18,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:18,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:23,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:23,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 03:08:23,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:08:23,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 03:08:23,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:08:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 03:08:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:08:23,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,654 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 03:08:25,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:08:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:08:25,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 03:08:25,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:08:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:08:25,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:08:25,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:08:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:08:25,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:08:25,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:08:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:25,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:08:25,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:25,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:08:25,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:25,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:25,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:25,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:25,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:25,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:08:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:25,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:25,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 03:08:26,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:08:26,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 546 [2020-10-27 03:08:26,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:08:26,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 03:08:26,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:08:26,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:08:26,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:08:26,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:26,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:08:26,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:08:26,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:26,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:26,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:26,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:26,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:08:26,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:26,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:08:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:26,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:26,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:26,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:26,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:26,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:08:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:08:26,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:08:26,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:26,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:26,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:26,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:08:26,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:08:26,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:26,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:26,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:08:26,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:26,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:26,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:26,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:26,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:08:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:08:26,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:08:26,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:26,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:26,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:26,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:08:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:08:26,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:08:26,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 03:08:26,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:08:26,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:08:26,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:08:26,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:08:26,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 03:08:26,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:08:26,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:26,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:08:26,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:26,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:08:26,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:08:26,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:26,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:08:26,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:08:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:26,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:08:26,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:08:26,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:26,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:08:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 03:08:26,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 03:08:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:08:26,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:08:26,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:26,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:08:26,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:26,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:26,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:26,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:26,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:26,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:26,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:26,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:08:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:26,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:26,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:26,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:26,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:26,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:26,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:26,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:26,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:26,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:26,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:27,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:08:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:27,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:27,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:27,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:08:27,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:27,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:08:27,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:27,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:27,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:08:27,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:27,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:27,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:27,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:27,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:27,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:27,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:27,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:08:27,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:27,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:27,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 03:08:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:27,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:27,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:27,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:27,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:27,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:27,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:27,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:27,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:08:27,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:27,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:27,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 03:08:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:27,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:27,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:27,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:27,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:27,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:27,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:08:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:27,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:27,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 03:08:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:27,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:27,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:27,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:27,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:27,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:27,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:27,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:27,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:08:27,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:27,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:27,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 03:08:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:27,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:27,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:27,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:27,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:27,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:27,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:27,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:08:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:27,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:27,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 03:08:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:27,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:27,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:27,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:08:27,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:27,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:27,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:08:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:27,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:27,120 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 03:08:27,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607408119] [2020-10-27 03:08:27,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:08:27,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 03:08:27,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27769724] [2020-10-27 03:08:27,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 03:08:27,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:08:27,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 03:08:27,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:08:27,122 INFO L87 Difference]: Start difference. First operand 537 states and 732 transitions. Second operand 18 states. [2020-10-27 03:08:31,183 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 03:08:34,895 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-27 03:08:37,031 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 03:08:39,211 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 03:08:41,590 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 03:09:07,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:09:07,242 INFO L93 Difference]: Finished difference Result 1417 states and 2076 transitions. [2020-10-27 03:09:07,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-27 03:09:07,248 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 163 [2020-10-27 03:09:07,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:09:07,256 INFO L225 Difference]: With dead ends: 1417 [2020-10-27 03:09:07,256 INFO L226 Difference]: Without dead ends: 939 [2020-10-27 03:09:07,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=521, Invalid=1929, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 03:09:07,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-10-27 03:09:07,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 547. [2020-10-27 03:09:07,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-10-27 03:09:07,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 743 transitions. [2020-10-27 03:09:07,547 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 743 transitions. Word has length 163 [2020-10-27 03:09:07,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:09:07,548 INFO L481 AbstractCegarLoop]: Abstraction has 547 states and 743 transitions. [2020-10-27 03:09:07,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 03:09:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 743 transitions. [2020-10-27 03:09:07,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-27 03:09:07,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:09:07,552 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:09:07,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:09:07,552 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 03:09:07,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:09:07,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1024149262, now seen corresponding path program 2 times [2020-10-27 03:09:07,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:09:07,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62779242] [2020-10-27 03:09:07,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:09:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:07,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:07,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:07,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:07,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:10,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:12,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:12,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-27 03:09:12,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:09:12,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-27 03:09:12,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:09:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 03:09:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 03:09:12,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,798 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 03:09:14,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:09:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:09:14,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 03:09:14,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:09:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:09:14,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:14,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:09:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:09:14,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:14,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:09:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:09:14,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:14,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:09:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 03:09:15,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:09:15,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 752 [2020-10-27 03:09:15,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:09:15,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 03:09:15,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:09:15,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:09:15,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:09:15,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:15,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:09:15,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:09:15,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:15,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:15,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:15,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:15,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:09:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:15,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:15,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:15,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:09:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:09:15,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:09:15,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:09:15,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:09:15,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:15,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:09:15,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:09:15,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:15,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:09:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:09:15,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:15,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:09:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:09:15,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:09:15,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-27 03:09:15,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:09:15,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:09:15,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:09:15,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:16,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:16,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:16,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:09:16,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:16,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:09:16,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:16,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:09:16,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:16,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:09:16,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:16,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:16,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:16,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:09:16,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:16,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:09:16,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:09:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:16,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:09:16,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:09:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:16,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:16,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:16,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:16,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:16,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:16,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:09:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:09:16,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 03:09:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:16,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:16,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:16,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:09:16,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:16,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:09:16,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:09:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:16,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:16,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:16,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:16,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:16,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:16,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:09:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:16,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:16,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:16,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:16,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:16,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:16,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:16,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:16,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:16,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:16,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 03:09:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:16,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:16,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:16,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:09:16,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:16,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:09:16,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:16,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:16,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:09:16,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:16,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:16,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:16,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:16,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:16,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:16,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:16,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:16,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 03:09:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:16,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:16,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:16,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:16,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:16,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:16,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:16,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:16,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:09:16,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:16,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 03:09:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:16,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:16,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:16,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:16,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:16,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:16,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:16,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:16,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:09:16,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:16,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 03:09:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:16,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:16,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:16,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:16,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:16,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:16,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:16,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:16,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:09:16,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:16,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 03:09:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:16,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:16,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:16,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:16,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:16,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:16,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:16,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:16,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:09:16,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:16,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 03:09:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:16,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:16,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:16,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:09:16,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:16,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:16,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:16,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:16,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:09:16,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:16,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 03:09:16,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62779242] [2020-10-27 03:09:16,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:09:16,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 03:09:16,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788856550] [2020-10-27 03:09:16,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 03:09:16,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:09:16,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 03:09:16,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:09:16,461 INFO L87 Difference]: Start difference. First operand 547 states and 743 transitions. Second operand 18 states. [2020-10-27 03:09:20,644 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 572 [2020-10-27 03:09:24,247 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-27 03:09:26,579 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 03:09:28,767 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 03:09:31,139 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 03:09:53,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:09:53,517 INFO L93 Difference]: Finished difference Result 1415 states and 2073 transitions. [2020-10-27 03:09:53,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-27 03:09:53,518 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 164 [2020-10-27 03:09:53,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:09:53,527 INFO L225 Difference]: With dead ends: 1415 [2020-10-27 03:09:53,527 INFO L226 Difference]: Without dead ends: 941 [2020-10-27 03:09:53,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=521, Invalid=1929, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 03:09:53,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-27 03:09:53,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 547. [2020-10-27 03:09:53,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-10-27 03:09:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 742 transitions. [2020-10-27 03:09:53,758 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 742 transitions. Word has length 164 [2020-10-27 03:09:53,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:09:53,758 INFO L481 AbstractCegarLoop]: Abstraction has 547 states and 742 transitions. [2020-10-27 03:09:53,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 03:09:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 742 transitions. [2020-10-27 03:09:53,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 03:09:53,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:09:53,762 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:09:53,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:09:53,762 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:09:53,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:09:53,763 INFO L82 PathProgramCache]: Analyzing trace with hash -850491288, now seen corresponding path program 1 times [2020-10-27 03:09:53,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:09:53,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839401596] [2020-10-27 03:09:53,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:09:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:53,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:53,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:53,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:54,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:54,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:58,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:58,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-27 03:09:58,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:09:58,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 03:09:58,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:58,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:09:58,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 03:09:58,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:09:58,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:00,951 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 03:10:00,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:10:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:00,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:10:01,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 03:10:01,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:01,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:10:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:10:01,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:10:01,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:01,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:01,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:10:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:10:01,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:10:01,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:01,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:10:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:10:01,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:10:01,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:01,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:10:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 03:10:01,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:10:01,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 553 [2020-10-27 03:10:01,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:10:01,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 03:10:01,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:10:01,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:10:01,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:10:01,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:01,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:01,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:10:01,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:01,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:01,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:01,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:10:01,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:01,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:10:01,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:01,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:01,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 03:10:01,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:10:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:01,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:01,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:01,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:10:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:10:01,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:10:01,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:01,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:01,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:10:01,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:01,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:01,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:10:01,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:01,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:01,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:01,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:10:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:10:01,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:10:01,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:01,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:01,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:10:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:10:01,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:10:01,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 03:10:01,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:10:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:10:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 03:10:01,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:10:01,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:10:01,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:10:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:10:01,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 03:10:01,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:01,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:01,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:01,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:10:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:01,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:01,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:01,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:01,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:01,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:10:01,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:10:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:10:01,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:02,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 03:10:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:02,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:02,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:02,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:10:02,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:02,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:10:02,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:02,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:02,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:10:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:02,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:02,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:02,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:02,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:02,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:02,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:02,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:02,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:02,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:02,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:02,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:02,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:02,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:10:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:02,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:02,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:02,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:02,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:02,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:02,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:02,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:02,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:02,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:02,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:02,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 03:10:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:02,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:02,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:02,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:10:02,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:02,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:10:02,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:10:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:02,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:02,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:02,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:02,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:02,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:02,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:10:02,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:02,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:02,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 03:10:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:02,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:02,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:02,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:02,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:02,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:02,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:02,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:02,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:02,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:02,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:02,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 03:10:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:02,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:02,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:02,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:02,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:02,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:10:02,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:02,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:02,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:02,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:02,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:02,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 03:10:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:02,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:02,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:02,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:02,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:02,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:02,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:02,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:02,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:02,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:02,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:02,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 03:10:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:02,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:02,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:02,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:02,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:02,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:10:02,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:02,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:02,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 03:10:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:02,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:02,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:02,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:10:02,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:02,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:10:02,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:02,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:02,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:10:02,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:02,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 03:10:02,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839401596] [2020-10-27 03:10:02,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:10:02,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 03:10:02,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708869265] [2020-10-27 03:10:02,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 03:10:02,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:10:02,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 03:10:02,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:10:02,290 INFO L87 Difference]: Start difference. First operand 547 states and 742 transitions. Second operand 16 states. [2020-10-27 03:10:06,693 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 03:10:09,225 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:10:11,984 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 567