./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product15.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f690bd0b308b8d74e0ee0ea91ab3037911a0ede5caa4981030fbf7d571a3c297 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:00:15,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:00:15,551 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:00:15,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:00:15,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:00:15,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:00:15,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:00:15,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:00:15,591 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:00:15,591 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:00:15,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:00:15,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:00:15,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:00:15,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:00:15,595 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:00:15,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:00:15,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:00:15,597 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:00:15,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:00:15,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:00:15,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:00:15,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:00:15,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:00:15,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:00:15,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:00:15,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:00:15,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:00:15,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:00:15,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:00:15,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:00:15,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:00:15,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:00:15,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:00:15,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:00:15,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:00:15,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:00:15,603 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:00:15,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:00:15,603 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:00:15,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:00:15,604 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:00:15,605 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:00:15,605 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f690bd0b308b8d74e0ee0ea91ab3037911a0ede5caa4981030fbf7d571a3c297 [2024-10-14 03:00:15,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:00:15,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:00:15,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:00:15,901 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:00:15,901 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:00:15,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product15.cil.c [2024-10-14 03:00:17,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:00:17,639 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:00:17,639 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product15.cil.c [2024-10-14 03:00:17,667 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1247375c/73a5fc85da3e4f39a6708eba62498362/FLAG459949af0 [2024-10-14 03:00:17,687 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1247375c/73a5fc85da3e4f39a6708eba62498362 [2024-10-14 03:00:17,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:00:17,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:00:17,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:00:17,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:00:17,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:00:17,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:00:17" (1/1) ... [2024-10-14 03:00:17,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5112243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:17, skipping insertion in model container [2024-10-14 03:00:17,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:00:17" (1/1) ... [2024-10-14 03:00:17,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:00:18,032 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product15.cil.c[6819,6832] [2024-10-14 03:00:18,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:00:18,366 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:00:18,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-10-14 03:00:18,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [273] [2024-10-14 03:00:18,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [282] [2024-10-14 03:00:18,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [582] [2024-10-14 03:00:18,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [599] [2024-10-14 03:00:18,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1003] [2024-10-14 03:00:18,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1107] [2024-10-14 03:00:18,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2181] [2024-10-14 03:00:18,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2219] [2024-10-14 03:00:18,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2265] [2024-10-14 03:00:18,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2540] [2024-10-14 03:00:18,399 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product15.cil.c[6819,6832] [2024-10-14 03:00:18,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:00:18,550 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:00:18,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18 WrapperNode [2024-10-14 03:00:18,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:00:18,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:00:18,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:00:18,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:00:18,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18" (1/1) ... [2024-10-14 03:00:18,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18" (1/1) ... [2024-10-14 03:00:18,636 INFO L138 Inliner]: procedures = 126, calls = 187, calls flagged for inlining = 53, calls inlined = 44, statements flattened = 866 [2024-10-14 03:00:18,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:00:18,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:00:18,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:00:18,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:00:18,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18" (1/1) ... [2024-10-14 03:00:18,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18" (1/1) ... [2024-10-14 03:00:18,656 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18" (1/1) ... [2024-10-14 03:00:18,686 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-14 03:00:18,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18" (1/1) ... [2024-10-14 03:00:18,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18" (1/1) ... [2024-10-14 03:00:18,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18" (1/1) ... [2024-10-14 03:00:18,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18" (1/1) ... [2024-10-14 03:00:18,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18" (1/1) ... [2024-10-14 03:00:18,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18" (1/1) ... [2024-10-14 03:00:18,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:00:18,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:00:18,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:00:18,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:00:18,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18" (1/1) ... [2024-10-14 03:00:18,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:00:18,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:18,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 03:00:18,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 03:00:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-14 03:00:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-14 03:00:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-14 03:00:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-14 03:00:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-14 03:00:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-14 03:00:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-14 03:00:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-14 03:00:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-14 03:00:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-14 03:00:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-14 03:00:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-14 03:00:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-14 03:00:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-14 03:00:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-14 03:00:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-14 03:00:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-14 03:00:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-14 03:00:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-14 03:00:18,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-14 03:00:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:00:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-14 03:00:18,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-14 03:00:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-14 03:00:18,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-14 03:00:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-14 03:00:18,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-14 03:00:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-14 03:00:18,863 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-14 03:00:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-14 03:00:18,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-14 03:00:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-14 03:00:18,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-14 03:00:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-14 03:00:18,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-14 03:00:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-14 03:00:18,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-14 03:00:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:00:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 03:00:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 03:00:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 03:00:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-14 03:00:18,865 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-14 03:00:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:00:18,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:00:19,067 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:00:19,070 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:00:19,938 INFO L? ?]: Removed 371 outVars from TransFormulas that were not future-live. [2024-10-14 03:00:19,938 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:00:19,999 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:00:19,999 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 03:00:20,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:00:19 BoogieIcfgContainer [2024-10-14 03:00:20,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:00:20,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:00:20,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:00:20,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:00:20,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:00:17" (1/3) ... [2024-10-14 03:00:20,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7ec375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:00:20, skipping insertion in model container [2024-10-14 03:00:20,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:18" (2/3) ... [2024-10-14 03:00:20,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7ec375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:00:20, skipping insertion in model container [2024-10-14 03:00:20,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:00:19" (3/3) ... [2024-10-14 03:00:20,009 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product15.cil.c [2024-10-14 03:00:20,024 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:00:20,024 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 03:00:20,094 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:00:20,100 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@75e4a0ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:00:20,102 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 03:00:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 274 states, 207 states have (on average 1.5942028985507246) internal successors, (330), 211 states have internal predecessors, (330), 46 states have call successors, (46), 19 states have call predecessors, (46), 19 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 03:00:20,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-14 03:00:20,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:20,131 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:20,131 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:20,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:20,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1584080674, now seen corresponding path program 1 times [2024-10-14 03:00:20,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:20,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197055429] [2024-10-14 03:00:20,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:20,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:20,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:20,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:20,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:20,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:00:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:20,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:00:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:20,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:00:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:20,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 03:00:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:20,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 03:00:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:20,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:00:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:20,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:00:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:20,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:00:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:20,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 03:00:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:20,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 03:00:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:21,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:00:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:21,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 03:00:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-14 03:00:21,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:21,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197055429] [2024-10-14 03:00:21,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197055429] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:00:21,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909224012] [2024-10-14 03:00:21,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:21,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:21,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:21,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:00:21,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 03:00:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:21,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 03:00:21,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:00:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 03:00:21,372 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:00:21,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909224012] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:21,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:00:21,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-14 03:00:21,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5883984] [2024-10-14 03:00:21,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:21,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 03:00:21,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:21,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 03:00:21,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:00:21,414 INFO L87 Difference]: Start difference. First operand has 274 states, 207 states have (on average 1.5942028985507246) internal successors, (330), 211 states have internal predecessors, (330), 46 states have call successors, (46), 19 states have call predecessors, (46), 19 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:21,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:21,499 INFO L93 Difference]: Finished difference Result 403 states and 607 transitions. [2024-10-14 03:00:21,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 03:00:21,502 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 107 [2024-10-14 03:00:21,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:21,517 INFO L225 Difference]: With dead ends: 403 [2024-10-14 03:00:21,517 INFO L226 Difference]: Without dead ends: 271 [2024-10-14 03:00:21,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:00:21,529 INFO L432 NwaCegarLoop]: 405 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:21,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 405 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:00:21,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-10-14 03:00:21,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2024-10-14 03:00:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 205 states have (on average 1.575609756097561) internal successors, (323), 208 states have internal predecessors, (323), 46 states have call successors, (46), 19 states have call predecessors, (46), 19 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-14 03:00:21,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 414 transitions. [2024-10-14 03:00:21,590 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 414 transitions. Word has length 107 [2024-10-14 03:00:21,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:21,591 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 414 transitions. [2024-10-14 03:00:21,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 414 transitions. [2024-10-14 03:00:21,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-14 03:00:21,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:21,600 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:21,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 03:00:21,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-14 03:00:21,802 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:21,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:21,803 INFO L85 PathProgramCache]: Analyzing trace with hash 873648122, now seen corresponding path program 1 times [2024-10-14 03:00:21,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:21,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103244080] [2024-10-14 03:00:21,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:21,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:00:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:00:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:00:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 03:00:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 03:00:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:00:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:00:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:00:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 03:00:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 03:00:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 03:00:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 03:00:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-14 03:00:22,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:22,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103244080] [2024-10-14 03:00:22,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103244080] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:00:22,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615423553] [2024-10-14 03:00:22,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:22,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:22,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:22,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:00:22,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 03:00:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:22,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 03:00:22,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:00:22,484 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 03:00:22,484 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:00:22,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615423553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:22,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:00:22,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 03:00:22,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92655054] [2024-10-14 03:00:22,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:22,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:00:22,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:22,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:00:22,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:00:22,492 INFO L87 Difference]: Start difference. First operand 271 states and 414 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:22,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:22,557 INFO L93 Difference]: Finished difference Result 399 states and 594 transitions. [2024-10-14 03:00:22,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:00:22,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 108 [2024-10-14 03:00:22,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:22,562 INFO L225 Difference]: With dead ends: 399 [2024-10-14 03:00:22,563 INFO L226 Difference]: Without dead ends: 273 [2024-10-14 03:00:22,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:00:22,565 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 0 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:22,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 803 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:00:22,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-10-14 03:00:22,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2024-10-14 03:00:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 207 states have (on average 1.570048309178744) internal successors, (325), 210 states have internal predecessors, (325), 46 states have call successors, (46), 19 states have call predecessors, (46), 19 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-14 03:00:22,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 416 transitions. [2024-10-14 03:00:22,607 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 416 transitions. Word has length 108 [2024-10-14 03:00:22,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:22,607 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 416 transitions. [2024-10-14 03:00:22,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:22,607 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 416 transitions. [2024-10-14 03:00:22,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 03:00:22,611 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:22,611 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:22,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 03:00:22,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-14 03:00:22,812 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:22,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:22,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1936479204, now seen corresponding path program 1 times [2024-10-14 03:00:22,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:22,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396055812] [2024-10-14 03:00:22,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:22,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:00:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:00:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:00:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 03:00:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:00:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 03:00:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:00:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 03:00:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 03:00:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 03:00:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 03:00:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 03:00:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:00:23,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:23,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396055812] [2024-10-14 03:00:23,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396055812] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:00:23,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534517537] [2024-10-14 03:00:23,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:23,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:23,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:23,149 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:00:23,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 03:00:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 03:00:23,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:00:23,454 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 03:00:23,455 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:00:23,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534517537] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:23,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:00:23,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 03:00:23,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427168068] [2024-10-14 03:00:23,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:23,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:00:23,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:23,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:00:23,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:00:23,459 INFO L87 Difference]: Start difference. First operand 273 states and 416 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:23,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:23,522 INFO L93 Difference]: Finished difference Result 576 states and 891 transitions. [2024-10-14 03:00:23,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:00:23,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 115 [2024-10-14 03:00:23,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:23,526 INFO L225 Difference]: With dead ends: 576 [2024-10-14 03:00:23,526 INFO L226 Difference]: Without dead ends: 325 [2024-10-14 03:00:23,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:00:23,529 INFO L432 NwaCegarLoop]: 412 mSDtfsCounter, 102 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:23,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 771 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:00:23,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-10-14 03:00:23,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 320. [2024-10-14 03:00:23,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 243 states have (on average 1.5843621399176955) internal successors, (385), 246 states have internal predecessors, (385), 57 states have call successors, (57), 19 states have call predecessors, (57), 19 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-14 03:00:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 498 transitions. [2024-10-14 03:00:23,571 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 498 transitions. Word has length 115 [2024-10-14 03:00:23,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:23,572 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 498 transitions. [2024-10-14 03:00:23,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 498 transitions. [2024-10-14 03:00:23,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-14 03:00:23,576 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:23,576 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:23,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 03:00:23,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:23,777 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:23,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:23,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1218779202, now seen corresponding path program 1 times [2024-10-14 03:00:23,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:23,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384777831] [2024-10-14 03:00:23,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:23,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:00:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:00:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:00:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:23,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 03:00:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:00:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:00:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:00:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:00:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 03:00:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 03:00:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 03:00:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 03:00:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,023 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:00:24,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:24,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384777831] [2024-10-14 03:00:24,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384777831] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:00:24,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118162448] [2024-10-14 03:00:24,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:24,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:24,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:24,026 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:00:24,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 03:00:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 03:00:24,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:00:24,407 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 03:00:24,408 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:00:24,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118162448] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:24,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:00:24,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-14 03:00:24,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250503404] [2024-10-14 03:00:24,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:24,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:00:24,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:24,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:00:24,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:00:24,412 INFO L87 Difference]: Start difference. First operand 320 states and 498 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-14 03:00:24,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:24,513 INFO L93 Difference]: Finished difference Result 635 states and 990 transitions. [2024-10-14 03:00:24,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:00:24,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 116 [2024-10-14 03:00:24,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:24,517 INFO L225 Difference]: With dead ends: 635 [2024-10-14 03:00:24,518 INFO L226 Difference]: Without dead ends: 322 [2024-10-14 03:00:24,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:00:24,523 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 2 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:24,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1565 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:00:24,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-14 03:00:24,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2024-10-14 03:00:24,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 244 states have (on average 1.5819672131147542) internal successors, (386), 248 states have internal predecessors, (386), 57 states have call successors, (57), 19 states have call predecessors, (57), 20 states have return successors, (58), 56 states have call predecessors, (58), 56 states have call successors, (58) [2024-10-14 03:00:24,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 501 transitions. [2024-10-14 03:00:24,546 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 501 transitions. Word has length 116 [2024-10-14 03:00:24,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:24,546 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 501 transitions. [2024-10-14 03:00:24,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-14 03:00:24,547 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 501 transitions. [2024-10-14 03:00:24,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-14 03:00:24,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:24,551 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:24,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 03:00:24,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:24,751 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:24,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:24,752 INFO L85 PathProgramCache]: Analyzing trace with hash -100766674, now seen corresponding path program 1 times [2024-10-14 03:00:24,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:24,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778931698] [2024-10-14 03:00:24,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:24,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 03:00:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 03:00:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 03:00:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 03:00:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 03:00:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 03:00:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:00:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:00:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 03:00:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 03:00:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 03:00:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:24,994 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 03:00:24,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:24,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778931698] [2024-10-14 03:00:24,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778931698] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:00:24,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217373870] [2024-10-14 03:00:24,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:24,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:24,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:24,997 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:00:24,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 03:00:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 03:00:25,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:00:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 03:00:25,373 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:00:25,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217373870] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:25,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:00:25,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-14 03:00:25,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953972825] [2024-10-14 03:00:25,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:25,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:00:25,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:25,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:00:25,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:00:25,375 INFO L87 Difference]: Start difference. First operand 322 states and 501 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-14 03:00:25,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:25,485 INFO L93 Difference]: Finished difference Result 637 states and 995 transitions. [2024-10-14 03:00:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:00:25,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 117 [2024-10-14 03:00:25,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:25,489 INFO L225 Difference]: With dead ends: 637 [2024-10-14 03:00:25,489 INFO L226 Difference]: Without dead ends: 324 [2024-10-14 03:00:25,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:00:25,492 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 2 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:25,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1551 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:00:25,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-14 03:00:25,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2024-10-14 03:00:25,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 245 states have (on average 1.579591836734694) internal successors, (387), 250 states have internal predecessors, (387), 57 states have call successors, (57), 19 states have call predecessors, (57), 21 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2024-10-14 03:00:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 507 transitions. [2024-10-14 03:00:25,517 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 507 transitions. Word has length 117 [2024-10-14 03:00:25,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:25,517 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 507 transitions. [2024-10-14 03:00:25,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-14 03:00:25,518 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 507 transitions. [2024-10-14 03:00:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-14 03:00:25,520 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:25,520 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:25,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 03:00:25,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:25,721 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:25,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:25,722 INFO L85 PathProgramCache]: Analyzing trace with hash 152101615, now seen corresponding path program 1 times [2024-10-14 03:00:25,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:25,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242947671] [2024-10-14 03:00:25,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:25,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 03:00:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 03:00:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 03:00:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:00:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 03:00:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 03:00:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 03:00:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 03:00:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 03:00:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 03:00:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:00:25,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:25,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242947671] [2024-10-14 03:00:25,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242947671] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:25,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:25,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 03:00:25,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037466162] [2024-10-14 03:00:25,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:25,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:00:25,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:25,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:00:25,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:00:25,952 INFO L87 Difference]: Start difference. First operand 324 states and 507 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-14 03:00:27,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:27,516 INFO L93 Difference]: Finished difference Result 699 states and 1104 transitions. [2024-10-14 03:00:27,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:00:27,517 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 118 [2024-10-14 03:00:27,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:27,522 INFO L225 Difference]: With dead ends: 699 [2024-10-14 03:00:27,522 INFO L226 Difference]: Without dead ends: 394 [2024-10-14 03:00:27,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:00:27,525 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 834 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 1778 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 2057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 1778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:27,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 968 Invalid, 2057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 1778 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 03:00:27,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-10-14 03:00:27,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 324. [2024-10-14 03:00:27,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 245 states have (on average 1.579591836734694) internal successors, (387), 250 states have internal predecessors, (387), 57 states have call successors, (57), 19 states have call predecessors, (57), 21 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-10-14 03:00:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 506 transitions. [2024-10-14 03:00:27,562 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 506 transitions. Word has length 118 [2024-10-14 03:00:27,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:27,563 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 506 transitions. [2024-10-14 03:00:27,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-14 03:00:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 506 transitions. [2024-10-14 03:00:27,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-14 03:00:27,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:27,566 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:27,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 03:00:27,566 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:27,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:27,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1613567105, now seen corresponding path program 2 times [2024-10-14 03:00:27,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:27,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416581173] [2024-10-14 03:00:27,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:27,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 03:00:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 03:00:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 03:00:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:00:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 03:00:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 03:00:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 03:00:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 03:00:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:00:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 03:00:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:27,767 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:00:27,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:27,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416581173] [2024-10-14 03:00:27,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416581173] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:27,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:27,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 03:00:27,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297306633] [2024-10-14 03:00:27,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:27,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:00:27,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:27,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:00:27,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:00:27,770 INFO L87 Difference]: Start difference. First operand 324 states and 506 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-14 03:00:29,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:29,272 INFO L93 Difference]: Finished difference Result 701 states and 1107 transitions. [2024-10-14 03:00:29,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:00:29,272 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 119 [2024-10-14 03:00:29,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:29,277 INFO L225 Difference]: With dead ends: 701 [2024-10-14 03:00:29,277 INFO L226 Difference]: Without dead ends: 396 [2024-10-14 03:00:29,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:00:29,280 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 830 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 1795 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 2074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 1795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:29,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 968 Invalid, 2074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 1795 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 03:00:29,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-10-14 03:00:29,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 326. [2024-10-14 03:00:29,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 246 states have (on average 1.5772357723577235) internal successors, (388), 252 states have internal predecessors, (388), 57 states have call successors, (57), 19 states have call predecessors, (57), 22 states have return successors, (64), 56 states have call predecessors, (64), 56 states have call successors, (64) [2024-10-14 03:00:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 509 transitions. [2024-10-14 03:00:29,315 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 509 transitions. Word has length 119 [2024-10-14 03:00:29,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:29,315 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 509 transitions. [2024-10-14 03:00:29,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-14 03:00:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 509 transitions. [2024-10-14 03:00:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-14 03:00:29,318 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:29,318 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:29,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 03:00:29,318 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:29,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:29,319 INFO L85 PathProgramCache]: Analyzing trace with hash -664893558, now seen corresponding path program 1 times [2024-10-14 03:00:29,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:29,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284999280] [2024-10-14 03:00:29,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:29,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:00:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 03:00:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:00:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 03:00:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 03:00:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:00:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 03:00:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 03:00:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 03:00:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,575 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 03:00:29,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:29,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284999280] [2024-10-14 03:00:29,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284999280] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:29,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:29,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:00:29,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633974276] [2024-10-14 03:00:29,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:29,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:00:29,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:29,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:00:29,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:00:29,577 INFO L87 Difference]: Start difference. First operand 326 states and 509 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-10-14 03:00:31,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:31,604 INFO L93 Difference]: Finished difference Result 699 states and 1102 transitions. [2024-10-14 03:00:31,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:00:31,605 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 120 [2024-10-14 03:00:31,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:31,608 INFO L225 Difference]: With dead ends: 699 [2024-10-14 03:00:31,608 INFO L226 Difference]: Without dead ends: 396 [2024-10-14 03:00:31,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:00:31,610 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 834 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 2982 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 3266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 2982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:31,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 1343 Invalid, 3266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 2982 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 03:00:31,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-10-14 03:00:31,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 326. [2024-10-14 03:00:31,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 246 states have (on average 1.5772357723577235) internal successors, (388), 252 states have internal predecessors, (388), 57 states have call successors, (57), 19 states have call predecessors, (57), 22 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2024-10-14 03:00:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 508 transitions. [2024-10-14 03:00:31,639 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 508 transitions. Word has length 120 [2024-10-14 03:00:31,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:31,639 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 508 transitions. [2024-10-14 03:00:31,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-10-14 03:00:31,640 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 508 transitions. [2024-10-14 03:00:31,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-14 03:00:31,641 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:31,642 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:31,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 03:00:31,642 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:31,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:31,643 INFO L85 PathProgramCache]: Analyzing trace with hash -675321925, now seen corresponding path program 2 times [2024-10-14 03:00:31,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:31,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901145891] [2024-10-14 03:00:31,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:31,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:00:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 03:00:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:00:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 03:00:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 03:00:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 03:00:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 03:00:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 03:00:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 03:00:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,884 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 03:00:31,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:31,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901145891] [2024-10-14 03:00:31,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901145891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:31,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:31,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:00:31,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304808676] [2024-10-14 03:00:31,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:31,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:00:31,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:31,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:00:31,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:00:31,886 INFO L87 Difference]: Start difference. First operand 326 states and 508 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-10-14 03:00:33,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:33,822 INFO L93 Difference]: Finished difference Result 701 states and 1108 transitions. [2024-10-14 03:00:33,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:00:33,823 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 121 [2024-10-14 03:00:33,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:33,826 INFO L225 Difference]: With dead ends: 701 [2024-10-14 03:00:33,826 INFO L226 Difference]: Without dead ends: 398 [2024-10-14 03:00:33,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:00:33,829 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 830 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 3009 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 3291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 3009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:33,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 1344 Invalid, 3291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 3009 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 03:00:33,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-10-14 03:00:33,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 328. [2024-10-14 03:00:33,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 247 states have (on average 1.5748987854251013) internal successors, (389), 254 states have internal predecessors, (389), 57 states have call successors, (57), 19 states have call predecessors, (57), 23 states have return successors, (68), 56 states have call predecessors, (68), 56 states have call successors, (68) [2024-10-14 03:00:33,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 514 transitions. [2024-10-14 03:00:33,857 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 514 transitions. Word has length 121 [2024-10-14 03:00:33,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:33,857 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 514 transitions. [2024-10-14 03:00:33,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-10-14 03:00:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 514 transitions. [2024-10-14 03:00:33,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-14 03:00:33,859 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:33,860 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:33,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 03:00:33,860 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:33,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:33,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1376673723, now seen corresponding path program 1 times [2024-10-14 03:00:33,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:33,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112893872] [2024-10-14 03:00:33,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:33,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 03:00:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 03:00:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:00:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:00:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 03:00:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 03:00:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 03:00:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 03:00:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 03:00:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 03:00:34,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:34,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112893872] [2024-10-14 03:00:34,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112893872] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:00:34,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157793523] [2024-10-14 03:00:34,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:34,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:34,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:34,129 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:00:34,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 03:00:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 03:00:34,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:00:34,455 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:34,457 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 03:00:34,565 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:34,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157793523] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 03:00:34,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 03:00:34,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-14 03:00:34,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697697967] [2024-10-14 03:00:34,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 03:00:34,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 03:00:34,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:34,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 03:00:34,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:00:34,570 INFO L87 Difference]: Start difference. First operand 328 states and 514 transitions. Second operand has 15 states, 14 states have (on average 9.214285714285714) internal successors, (129), 11 states have internal predecessors, (129), 4 states have call successors, (35), 6 states have call predecessors, (35), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-14 03:00:36,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:36,774 INFO L93 Difference]: Finished difference Result 1030 states and 1719 transitions. [2024-10-14 03:00:36,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 03:00:36,774 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.214285714285714) internal successors, (129), 11 states have internal predecessors, (129), 4 states have call successors, (35), 6 states have call predecessors, (35), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 122 [2024-10-14 03:00:36,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:36,779 INFO L225 Difference]: With dead ends: 1030 [2024-10-14 03:00:36,779 INFO L226 Difference]: Without dead ends: 728 [2024-10-14 03:00:36,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-14 03:00:36,781 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 1930 mSDsluCounter, 1380 mSDsCounter, 0 mSdLazyCounter, 3409 mSolverCounterSat, 603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1947 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 4012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 603 IncrementalHoareTripleChecker+Valid, 3409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:36,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1947 Valid, 1531 Invalid, 4012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [603 Valid, 3409 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-14 03:00:36,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-10-14 03:00:36,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 643. [2024-10-14 03:00:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 498 states have (on average 1.6204819277108433) internal successors, (807), 505 states have internal predecessors, (807), 121 states have call successors, (121), 19 states have call predecessors, (121), 23 states have return successors, (142), 120 states have call predecessors, (142), 120 states have call successors, (142) [2024-10-14 03:00:36,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1070 transitions. [2024-10-14 03:00:36,820 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1070 transitions. Word has length 122 [2024-10-14 03:00:36,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:36,821 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 1070 transitions. [2024-10-14 03:00:36,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.214285714285714) internal successors, (129), 11 states have internal predecessors, (129), 4 states have call successors, (35), 6 states have call predecessors, (35), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-14 03:00:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1070 transitions. [2024-10-14 03:00:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-14 03:00:36,824 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:36,825 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:36,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 03:00:37,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:37,026 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:37,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:37,026 INFO L85 PathProgramCache]: Analyzing trace with hash -536979665, now seen corresponding path program 1 times [2024-10-14 03:00:37,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:37,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299647458] [2024-10-14 03:00:37,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:37,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 03:00:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:00:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:00:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 03:00:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:00:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 03:00:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 03:00:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 03:00:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 03:00:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,135 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:37,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:37,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299647458] [2024-10-14 03:00:37,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299647458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:37,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:37,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:37,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092610183] [2024-10-14 03:00:37,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:37,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:37,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:37,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:37,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:37,137 INFO L87 Difference]: Start difference. First operand 643 states and 1070 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:38,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:38,298 INFO L93 Difference]: Finished difference Result 1585 states and 2708 transitions. [2024-10-14 03:00:38,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:38,298 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 126 [2024-10-14 03:00:38,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:38,307 INFO L225 Difference]: With dead ends: 1585 [2024-10-14 03:00:38,307 INFO L226 Difference]: Without dead ends: 1010 [2024-10-14 03:00:38,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:38,310 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 928 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:38,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 729 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:00:38,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-10-14 03:00:38,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 935. [2024-10-14 03:00:38,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 726 states have (on average 1.6308539944903582) internal successors, (1184), 733 states have internal predecessors, (1184), 185 states have call successors, (185), 19 states have call predecessors, (185), 23 states have return successors, (216), 184 states have call predecessors, (216), 184 states have call successors, (216) [2024-10-14 03:00:38,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1585 transitions. [2024-10-14 03:00:38,360 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1585 transitions. Word has length 126 [2024-10-14 03:00:38,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:38,361 INFO L471 AbstractCegarLoop]: Abstraction has 935 states and 1585 transitions. [2024-10-14 03:00:38,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:38,361 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1585 transitions. [2024-10-14 03:00:38,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-14 03:00:38,368 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:38,368 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:38,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 03:00:38,368 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:38,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:38,369 INFO L85 PathProgramCache]: Analyzing trace with hash 956502652, now seen corresponding path program 1 times [2024-10-14 03:00:38,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:38,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954324532] [2024-10-14 03:00:38,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:38,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 03:00:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:00:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:00:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 03:00:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 03:00:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 03:00:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 03:00:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 03:00:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 03:00:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:38,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:38,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954324532] [2024-10-14 03:00:38,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954324532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:38,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:38,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:38,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389220455] [2024-10-14 03:00:38,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:38,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:38,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:38,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:38,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:38,479 INFO L87 Difference]: Start difference. First operand 935 states and 1585 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:39,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:39,509 INFO L93 Difference]: Finished difference Result 2302 states and 3965 transitions. [2024-10-14 03:00:39,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:39,510 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 127 [2024-10-14 03:00:39,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:39,519 INFO L225 Difference]: With dead ends: 2302 [2024-10-14 03:00:39,520 INFO L226 Difference]: Without dead ends: 1485 [2024-10-14 03:00:39,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:39,524 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 926 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:39,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 716 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [338 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:00:39,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2024-10-14 03:00:39,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1410. [2024-10-14 03:00:39,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1410 states, 1106 states have (on average 1.6347197106690778) internal successors, (1808), 1113 states have internal predecessors, (1808), 280 states have call successors, (280), 19 states have call predecessors, (280), 23 states have return successors, (311), 279 states have call predecessors, (311), 279 states have call successors, (311) [2024-10-14 03:00:39,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 2399 transitions. [2024-10-14 03:00:39,606 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 2399 transitions. Word has length 127 [2024-10-14 03:00:39,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:39,607 INFO L471 AbstractCegarLoop]: Abstraction has 1410 states and 2399 transitions. [2024-10-14 03:00:39,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:39,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 2399 transitions. [2024-10-14 03:00:39,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-14 03:00:39,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:39,615 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:39,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 03:00:39,616 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:39,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:39,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1974222785, now seen corresponding path program 1 times [2024-10-14 03:00:39,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:39,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468217490] [2024-10-14 03:00:39,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:39,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 03:00:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:00:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:00:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 03:00:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 03:00:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 03:00:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 03:00:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 03:00:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 03:00:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,742 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:39,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:39,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468217490] [2024-10-14 03:00:39,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468217490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:39,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:39,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:39,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328420902] [2024-10-14 03:00:39,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:39,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:39,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:39,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:39,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:39,746 INFO L87 Difference]: Start difference. First operand 1410 states and 2399 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:40,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:40,762 INFO L93 Difference]: Finished difference Result 3364 states and 5843 transitions. [2024-10-14 03:00:40,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:40,763 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 128 [2024-10-14 03:00:40,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:40,776 INFO L225 Difference]: With dead ends: 3364 [2024-10-14 03:00:40,777 INFO L226 Difference]: Without dead ends: 2200 [2024-10-14 03:00:40,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:40,783 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 924 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:40,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 702 Invalid, 1337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:00:40,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2200 states. [2024-10-14 03:00:40,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2200 to 2125. [2024-10-14 03:00:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1698 states have (on average 1.6383981154299176) internal successors, (2782), 1705 states have internal predecessors, (2782), 403 states have call successors, (403), 19 states have call predecessors, (403), 23 states have return successors, (450), 402 states have call predecessors, (450), 402 states have call successors, (450) [2024-10-14 03:00:40,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3635 transitions. [2024-10-14 03:00:40,941 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3635 transitions. Word has length 128 [2024-10-14 03:00:40,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:40,942 INFO L471 AbstractCegarLoop]: Abstraction has 2125 states and 3635 transitions. [2024-10-14 03:00:40,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:40,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3635 transitions. [2024-10-14 03:00:40,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-14 03:00:40,955 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:40,955 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:40,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 03:00:40,956 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:40,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:40,956 INFO L85 PathProgramCache]: Analyzing trace with hash 546777691, now seen corresponding path program 1 times [2024-10-14 03:00:40,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:40,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408546521] [2024-10-14 03:00:40,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:40,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:00:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:00:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:00:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:00:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 03:00:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 03:00:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 03:00:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 03:00:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 03:00:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,099 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:41,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:41,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408546521] [2024-10-14 03:00:41,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408546521] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:41,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:41,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:41,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665199400] [2024-10-14 03:00:41,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:41,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:41,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:41,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:41,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:41,102 INFO L87 Difference]: Start difference. First operand 2125 states and 3635 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:42,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:42,063 INFO L93 Difference]: Finished difference Result 5006 states and 8756 transitions. [2024-10-14 03:00:42,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:42,064 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2024-10-14 03:00:42,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:42,082 INFO L225 Difference]: With dead ends: 5006 [2024-10-14 03:00:42,082 INFO L226 Difference]: Without dead ends: 3336 [2024-10-14 03:00:42,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:42,120 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 922 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:42,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 702 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:00:42,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3336 states. [2024-10-14 03:00:42,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3336 to 3261. [2024-10-14 03:00:42,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2655 states have (on average 1.6406779661016948) internal successors, (4356), 2662 states have internal predecessors, (4356), 582 states have call successors, (582), 19 states have call predecessors, (582), 23 states have return successors, (655), 581 states have call predecessors, (655), 581 states have call successors, (655) [2024-10-14 03:00:42,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 5593 transitions. [2024-10-14 03:00:42,290 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 5593 transitions. Word has length 129 [2024-10-14 03:00:42,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:42,290 INFO L471 AbstractCegarLoop]: Abstraction has 3261 states and 5593 transitions. [2024-10-14 03:00:42,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:42,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 5593 transitions. [2024-10-14 03:00:42,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-14 03:00:42,305 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:42,305 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:42,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 03:00:42,306 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:42,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:42,306 INFO L85 PathProgramCache]: Analyzing trace with hash 300694373, now seen corresponding path program 1 times [2024-10-14 03:00:42,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:42,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435030784] [2024-10-14 03:00:42,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:42,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 03:00:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:00:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 03:00:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 03:00:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 03:00:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 03:00:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 03:00:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 03:00:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 03:00:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:42,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:42,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435030784] [2024-10-14 03:00:42,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435030784] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:42,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:42,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:42,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651350326] [2024-10-14 03:00:42,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:42,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:42,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:42,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:42,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:42,422 INFO L87 Difference]: Start difference. First operand 3261 states and 5593 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:43,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:43,640 INFO L93 Difference]: Finished difference Result 7961 states and 13954 transitions. [2024-10-14 03:00:43,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:43,641 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 130 [2024-10-14 03:00:43,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:43,674 INFO L225 Difference]: With dead ends: 7961 [2024-10-14 03:00:43,674 INFO L226 Difference]: Without dead ends: 5394 [2024-10-14 03:00:43,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:43,685 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 920 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 935 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:43,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [935 Valid, 727 Invalid, 1360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:00:43,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5394 states. [2024-10-14 03:00:43,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5394 to 5319. [2024-10-14 03:00:43,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5319 states, 4337 states have (on average 1.632234263315656) internal successors, (7079), 4344 states have internal predecessors, (7079), 958 states have call successors, (958), 19 states have call predecessors, (958), 23 states have return successors, (1075), 957 states have call predecessors, (1075), 957 states have call successors, (1075) [2024-10-14 03:00:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5319 states to 5319 states and 9112 transitions. [2024-10-14 03:00:43,954 INFO L78 Accepts]: Start accepts. Automaton has 5319 states and 9112 transitions. Word has length 130 [2024-10-14 03:00:43,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:43,954 INFO L471 AbstractCegarLoop]: Abstraction has 5319 states and 9112 transitions. [2024-10-14 03:00:43,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:43,955 INFO L276 IsEmpty]: Start isEmpty. Operand 5319 states and 9112 transitions. [2024-10-14 03:00:43,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-14 03:00:43,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:43,977 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:43,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 03:00:43,977 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:43,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:43,978 INFO L85 PathProgramCache]: Analyzing trace with hash 49153719, now seen corresponding path program 1 times [2024-10-14 03:00:43,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:43,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505640116] [2024-10-14 03:00:43,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:43,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:00:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:00:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 03:00:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 03:00:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 03:00:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 03:00:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 03:00:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 03:00:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 03:00:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:44,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:44,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505640116] [2024-10-14 03:00:44,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505640116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:44,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:44,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:44,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194185893] [2024-10-14 03:00:44,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:44,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:44,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:44,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:44,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:44,091 INFO L87 Difference]: Start difference. First operand 5319 states and 9112 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:45,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:45,306 INFO L93 Difference]: Finished difference Result 13166 states and 23038 transitions. [2024-10-14 03:00:45,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:45,307 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 131 [2024-10-14 03:00:45,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:45,361 INFO L225 Difference]: With dead ends: 13166 [2024-10-14 03:00:45,361 INFO L226 Difference]: Without dead ends: 8927 [2024-10-14 03:00:45,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:45,380 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 918 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:45,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 703 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:00:45,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8927 states. [2024-10-14 03:00:45,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8927 to 8852. [2024-10-14 03:00:45,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8852 states, 7264 states have (on average 1.6294052863436124) internal successors, (11836), 7271 states have internal predecessors, (11836), 1564 states have call successors, (1564), 19 states have call predecessors, (1564), 23 states have return successors, (1759), 1563 states have call predecessors, (1759), 1563 states have call successors, (1759) [2024-10-14 03:00:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8852 states to 8852 states and 15159 transitions. [2024-10-14 03:00:45,871 INFO L78 Accepts]: Start accepts. Automaton has 8852 states and 15159 transitions. Word has length 131 [2024-10-14 03:00:45,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:45,871 INFO L471 AbstractCegarLoop]: Abstraction has 8852 states and 15159 transitions. [2024-10-14 03:00:45,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:45,872 INFO L276 IsEmpty]: Start isEmpty. Operand 8852 states and 15159 transitions. [2024-10-14 03:00:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-14 03:00:45,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:45,901 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:45,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 03:00:45,901 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:45,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:45,901 INFO L85 PathProgramCache]: Analyzing trace with hash 864687747, now seen corresponding path program 1 times [2024-10-14 03:00:45,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:45,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667709381] [2024-10-14 03:00:45,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:45,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:00:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 03:00:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 03:00:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:00:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 03:00:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:00:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 03:00:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 03:00:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 03:00:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:46,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:46,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667709381] [2024-10-14 03:00:46,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667709381] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:46,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:46,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:46,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555179864] [2024-10-14 03:00:46,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:46,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:46,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:46,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:46,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:46,013 INFO L87 Difference]: Start difference. First operand 8852 states and 15159 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:47,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:47,434 INFO L93 Difference]: Finished difference Result 22938 states and 40067 transitions. [2024-10-14 03:00:47,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:47,435 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 132 [2024-10-14 03:00:47,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:47,504 INFO L225 Difference]: With dead ends: 22938 [2024-10-14 03:00:47,504 INFO L226 Difference]: Without dead ends: 15599 [2024-10-14 03:00:47,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:47,532 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 916 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:47,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 757 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:00:47,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15599 states. [2024-10-14 03:00:48,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15599 to 15524. [2024-10-14 03:00:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15524 states, 12733 states have (on average 1.619806801225163) internal successors, (20625), 12740 states have internal predecessors, (20625), 2767 states have call successors, (2767), 19 states have call predecessors, (2767), 23 states have return successors, (3106), 2766 states have call predecessors, (3106), 2766 states have call successors, (3106) [2024-10-14 03:00:48,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15524 states to 15524 states and 26498 transitions. [2024-10-14 03:00:48,364 INFO L78 Accepts]: Start accepts. Automaton has 15524 states and 26498 transitions. Word has length 132 [2024-10-14 03:00:48,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:48,365 INFO L471 AbstractCegarLoop]: Abstraction has 15524 states and 26498 transitions. [2024-10-14 03:00:48,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 15524 states and 26498 transitions. [2024-10-14 03:00:48,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-14 03:00:48,404 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:48,404 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:48,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 03:00:48,405 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:48,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:48,406 INFO L85 PathProgramCache]: Analyzing trace with hash 599647990, now seen corresponding path program 1 times [2024-10-14 03:00:48,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:48,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342448288] [2024-10-14 03:00:48,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:48,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:00:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 03:00:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 03:00:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 03:00:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 03:00:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 03:00:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 03:00:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 03:00:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 03:00:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:48,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:48,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342448288] [2024-10-14 03:00:48,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342448288] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:48,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:48,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:48,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842651872] [2024-10-14 03:00:48,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:48,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:48,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:48,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:48,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:48,510 INFO L87 Difference]: Start difference. First operand 15524 states and 26498 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:50,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:50,063 INFO L93 Difference]: Finished difference Result 41105 states and 71665 transitions. [2024-10-14 03:00:50,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:50,064 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 133 [2024-10-14 03:00:50,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:50,194 INFO L225 Difference]: With dead ends: 41105 [2024-10-14 03:00:50,194 INFO L226 Difference]: Without dead ends: 27714 [2024-10-14 03:00:50,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:50,240 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 914 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:50,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 703 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:00:50,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27714 states. [2024-10-14 03:00:51,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27714 to 27639. [2024-10-14 03:00:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27639 states, 22809 states have (on average 1.6156780218334867) internal successors, (36852), 22816 states have internal predecessors, (36852), 4806 states have call successors, (4806), 19 states have call predecessors, (4806), 23 states have return successors, (5419), 4805 states have call predecessors, (5419), 4805 states have call successors, (5419) [2024-10-14 03:00:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27639 states to 27639 states and 47077 transitions. [2024-10-14 03:00:51,492 INFO L78 Accepts]: Start accepts. Automaton has 27639 states and 47077 transitions. Word has length 133 [2024-10-14 03:00:51,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:51,493 INFO L471 AbstractCegarLoop]: Abstraction has 27639 states and 47077 transitions. [2024-10-14 03:00:51,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 27639 states and 47077 transitions. [2024-10-14 03:00:51,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-14 03:00:51,538 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:51,538 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:51,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 03:00:51,538 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:51,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:51,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1491809601, now seen corresponding path program 1 times [2024-10-14 03:00:51,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:51,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453908445] [2024-10-14 03:00:51,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:51,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:00:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:00:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 03:00:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 03:00:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 03:00:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 03:00:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 03:00:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 03:00:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 03:00:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,660 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:51,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:51,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453908445] [2024-10-14 03:00:51,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453908445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:51,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:51,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:51,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233527445] [2024-10-14 03:00:51,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:51,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:51,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:51,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:51,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:51,664 INFO L87 Difference]: Start difference. First operand 27639 states and 47077 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:53,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:53,879 INFO L93 Difference]: Finished difference Result 75297 states and 130459 transitions. [2024-10-14 03:00:53,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:53,880 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2024-10-14 03:00:53,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:54,115 INFO L225 Difference]: With dead ends: 75297 [2024-10-14 03:00:54,116 INFO L226 Difference]: Without dead ends: 50538 [2024-10-14 03:00:54,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:54,203 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 912 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:54,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [927 Valid, 721 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 1034 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:00:54,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50538 states. [2024-10-14 03:00:56,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50538 to 50463. [2024-10-14 03:00:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50463 states, 41918 states have (on average 1.6102867503220573) internal successors, (67500), 41925 states have internal predecessors, (67500), 8521 states have call successors, (8521), 19 states have call predecessors, (8521), 23 states have return successors, (9666), 8520 states have call predecessors, (9666), 8520 states have call successors, (9666) [2024-10-14 03:00:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50463 states to 50463 states and 85687 transitions. [2024-10-14 03:00:56,939 INFO L78 Accepts]: Start accepts. Automaton has 50463 states and 85687 transitions. Word has length 134 [2024-10-14 03:00:56,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:56,940 INFO L471 AbstractCegarLoop]: Abstraction has 50463 states and 85687 transitions. [2024-10-14 03:00:56,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:00:56,941 INFO L276 IsEmpty]: Start isEmpty. Operand 50463 states and 85687 transitions. [2024-10-14 03:00:56,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-14 03:00:56,990 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:56,990 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:56,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 03:00:56,991 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:56,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:56,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1810073078, now seen corresponding path program 1 times [2024-10-14 03:00:56,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:56,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395662727] [2024-10-14 03:00:56,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:56,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:00:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:00:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:00:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 03:00:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 03:00:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 03:00:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 03:00:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 03:00:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 03:00:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:57,368 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:57,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:57,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395662727] [2024-10-14 03:00:57,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395662727] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:57,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:57,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:57,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169812770] [2024-10-14 03:00:57,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:57,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:57,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:57,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:57,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:57,369 INFO L87 Difference]: Start difference. First operand 50463 states and 85687 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:01:00,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:01:00,096 INFO L93 Difference]: Finished difference Result 94044 states and 163365 transitions. [2024-10-14 03:01:00,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:01:00,096 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 135 [2024-10-14 03:01:00,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:01:00,530 INFO L225 Difference]: With dead ends: 94044 [2024-10-14 03:01:00,530 INFO L226 Difference]: Without dead ends: 93918 [2024-10-14 03:01:00,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:01:00,595 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 907 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:01:00,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 718 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:01:00,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93918 states. [2024-10-14 03:01:04,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93918 to 93843. [2024-10-14 03:01:04,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93843 states, 78499 states have (on average 1.6034344386552695) internal successors, (125868), 78506 states have internal predecessors, (125868), 15320 states have call successors, (15320), 19 states have call predecessors, (15320), 23 states have return successors, (17511), 15319 states have call predecessors, (17511), 15319 states have call successors, (17511) [2024-10-14 03:01:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93843 states to 93843 states and 158699 transitions. [2024-10-14 03:01:04,573 INFO L78 Accepts]: Start accepts. Automaton has 93843 states and 158699 transitions. Word has length 135 [2024-10-14 03:01:04,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:01:04,574 INFO L471 AbstractCegarLoop]: Abstraction has 93843 states and 158699 transitions. [2024-10-14 03:01:04,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 03:01:04,575 INFO L276 IsEmpty]: Start isEmpty. Operand 93843 states and 158699 transitions. [2024-10-14 03:01:04,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-14 03:01:04,640 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:01:04,640 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:01:04,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 03:01:04,640 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:01:04,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:01:04,641 INFO L85 PathProgramCache]: Analyzing trace with hash 889451906, now seen corresponding path program 1 times [2024-10-14 03:01:04,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:01:04,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237695474] [2024-10-14 03:01:04,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:01:04,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:01:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:01:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:01:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:01:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:01:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:01:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:01:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:01:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:01:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:01:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 03:01:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 03:01:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 03:01:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 03:01:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 03:01:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 03:01:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,469 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 03:01:05,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:01:05,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237695474] [2024-10-14 03:01:05,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237695474] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:01:05,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382458768] [2024-10-14 03:01:05,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:01:05,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:01:05,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:01:05,472 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:01:05,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 03:01:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:05,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 03:01:05,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:01:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-14 03:01:06,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:01:06,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382458768] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:01:06,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:01:06,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2024-10-14 03:01:06,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061501460] [2024-10-14 03:01:06,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:01:06,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:01:06,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:01:06,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:01:06,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2024-10-14 03:01:06,123 INFO L87 Difference]: Start difference. First operand 93843 states and 158699 transitions. Second operand has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 9 states have internal predecessors, (98), 5 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-14 03:01:10,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:01:10,825 INFO L93 Difference]: Finished difference Result 187007 states and 321750 transitions. [2024-10-14 03:01:10,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 03:01:10,826 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 9 states have internal predecessors, (98), 5 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) Word has length 136 [2024-10-14 03:01:10,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:01:12,060 INFO L225 Difference]: With dead ends: 187007 [2024-10-14 03:01:12,060 INFO L226 Difference]: Without dead ends: 186886 [2024-10-14 03:01:12,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2024-10-14 03:01:12,127 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 1064 mSDsluCounter, 2802 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 3292 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:01:12,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 3292 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 03:01:12,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186886 states. [2024-10-14 03:01:18,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186886 to 186858. [2024-10-14 03:01:18,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186858 states, 156372 states have (on average 1.6043920906556162) internal successors, (250882), 156274 states have internal predecessors, (250882), 30429 states have call successors, (30429), 50 states have call predecessors, (30429), 56 states have return successors, (38082), 30539 states have call predecessors, (38082), 30426 states have call successors, (38082) [2024-10-14 03:01:19,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186858 states to 186858 states and 319393 transitions. [2024-10-14 03:01:19,555 INFO L78 Accepts]: Start accepts. Automaton has 186858 states and 319393 transitions. Word has length 136 [2024-10-14 03:01:19,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:01:19,556 INFO L471 AbstractCegarLoop]: Abstraction has 186858 states and 319393 transitions. [2024-10-14 03:01:19,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 9 states have internal predecessors, (98), 5 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-14 03:01:19,556 INFO L276 IsEmpty]: Start isEmpty. Operand 186858 states and 319393 transitions. [2024-10-14 03:01:19,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-14 03:01:19,702 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:01:19,703 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:01:19,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 03:01:19,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:01:19,904 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:01:19,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:01:19,904 INFO L85 PathProgramCache]: Analyzing trace with hash -2108028691, now seen corresponding path program 1 times [2024-10-14 03:01:19,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:01:19,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800494888] [2024-10-14 03:01:19,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:01:19,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:01:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:01:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:01:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:01:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:01:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:01:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:01:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:01:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:01:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:01:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 03:01:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 03:01:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 03:01:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 03:01:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 03:01:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 03:01:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:20,135 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:01:20,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:01:20,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800494888] [2024-10-14 03:01:20,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800494888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:01:20,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:01:20,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:01:20,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319828245] [2024-10-14 03:01:20,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:01:20,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:01:20,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:01:20,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:01:20,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:01:20,138 INFO L87 Difference]: Start difference. First operand 186858 states and 319393 transitions. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 6 states have internal predecessors, (89), 4 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-10-14 03:01:26,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:01:26,993 INFO L93 Difference]: Finished difference Result 187718 states and 327198 transitions. [2024-10-14 03:01:26,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 03:01:26,994 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 6 states have internal predecessors, (89), 4 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 137 [2024-10-14 03:01:26,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted.