./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_spec9_product20.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_spec9_product20.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 da4068869d66a98d783b3eb3a8d0497ba7ef569dcf8b3f3f7d9e0053e2966936 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:05:16,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:05:16,366 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:05:16,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:05:16,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:05:16,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:05:16,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:05:16,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:05:16,395 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:05:16,396 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:05:16,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:05:16,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:05:16,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:05:16,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:05:16,398 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:05:16,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:05:16,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:05:16,400 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:05:16,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:05:16,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:05:16,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:05:16,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:05:16,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:05:16,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:05:16,404 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:05:16,405 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:05:16,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:05:16,405 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:05:16,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:05:16,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:05:16,406 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:05:16,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:05:16,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:05:16,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:05:16,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:05:16,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:05:16,407 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:05:16,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:05:16,408 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:05:16,408 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:05:16,408 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:05:16,409 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:05:16,409 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da4068869d66a98d783b3eb3a8d0497ba7ef569dcf8b3f3f7d9e0053e2966936 [2024-10-14 03:05:16,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:05:16,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:05:16,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:05:16,654 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:05:16,655 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:05:16,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product20.cil.c [2024-10-14 03:05:18,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:05:18,400 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:05:18,401 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product20.cil.c [2024-10-14 03:05:18,432 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29972b540/8c05fddaa01247258525dd4d3d40035a/FLAG730a96c28 [2024-10-14 03:05:18,669 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29972b540/8c05fddaa01247258525dd4d3d40035a [2024-10-14 03:05:18,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:05:18,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:05:18,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:05:18,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:05:18,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:05:18,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:05:18" (1/1) ... [2024-10-14 03:05:18,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9b5135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:18, skipping insertion in model container [2024-10-14 03:05:18,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:05:18" (1/1) ... [2024-10-14 03:05:18,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:05:19,361 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_spec9_product20.cil.c[63436,63449] [2024-10-14 03:05:19,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:05:19,382 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:05:19,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-10-14 03:05:19,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [97] [2024-10-14 03:05:19,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [415] [2024-10-14 03:05:19,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [459] [2024-10-14 03:05:19,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1528] [2024-10-14 03:05:19,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1894] [2024-10-14 03:05:19,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2005] [2024-10-14 03:05:19,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2314] [2024-10-14 03:05:19,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2717] [2024-10-14 03:05:19,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2936] [2024-10-14 03:05:19,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2945] [2024-10-14 03:05:19,504 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_spec9_product20.cil.c[63436,63449] [2024-10-14 03:05:19,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:05:19,546 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:05:19,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19 WrapperNode [2024-10-14 03:05:19,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:05:19,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:05:19,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:05:19,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:05:19,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19" (1/1) ... [2024-10-14 03:05:19,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19" (1/1) ... [2024-10-14 03:05:19,634 INFO L138 Inliner]: procedures = 129, calls = 200, calls flagged for inlining = 56, calls inlined = 49, statements flattened = 966 [2024-10-14 03:05:19,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:05:19,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:05:19,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:05:19,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:05:19,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19" (1/1) ... [2024-10-14 03:05:19,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19" (1/1) ... [2024-10-14 03:05:19,653 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19" (1/1) ... [2024-10-14 03:05:19,682 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 03:05:19,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19" (1/1) ... [2024-10-14 03:05:19,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19" (1/1) ... [2024-10-14 03:05:19,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19" (1/1) ... [2024-10-14 03:05:19,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19" (1/1) ... [2024-10-14 03:05:19,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19" (1/1) ... [2024-10-14 03:05:19,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19" (1/1) ... [2024-10-14 03:05:19,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:05:19,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:05:19,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:05:19,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:05:19,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19" (1/1) ... [2024-10-14 03:05:19,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:05:19,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:19,787 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 03:05:19,789 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 03:05:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-14 03:05:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-14 03:05:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-14 03:05:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-14 03:05:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-14 03:05:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-14 03:05:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-14 03:05:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-14 03:05:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-14 03:05:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-14 03:05:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-14 03:05:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-14 03:05:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-14 03:05:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-14 03:05:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-14 03:05:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-14 03:05:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-14 03:05:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-14 03:05:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-14 03:05:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-14 03:05:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-14 03:05:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-14 03:05:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-14 03:05:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-14 03:05:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:05:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-14 03:05:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-14 03:05:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-14 03:05:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-14 03:05:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-14 03:05:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-14 03:05:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-14 03:05:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-14 03:05:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-14 03:05:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-14 03:05:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-14 03:05:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-14 03:05:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-14 03:05:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-14 03:05:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-14 03:05:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-14 03:05:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:05:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 03:05:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 03:05:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 03:05:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-14 03:05:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-14 03:05:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-14 03:05:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-14 03:05:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:05:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:05:20,025 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:05:20,027 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:05:20,948 INFO L? ?]: Removed 483 outVars from TransFormulas that were not future-live. [2024-10-14 03:05:20,948 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:05:21,035 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:05:21,036 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 03:05:21,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:05:21 BoogieIcfgContainer [2024-10-14 03:05:21,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:05:21,039 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:05:21,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:05:21,043 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:05:21,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:05:18" (1/3) ... [2024-10-14 03:05:21,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645d92c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:05:21, skipping insertion in model container [2024-10-14 03:05:21,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:19" (2/3) ... [2024-10-14 03:05:21,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645d92c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:05:21, skipping insertion in model container [2024-10-14 03:05:21,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:05:21" (3/3) ... [2024-10-14 03:05:21,047 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product20.cil.c [2024-10-14 03:05:21,063 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:05:21,063 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 03:05:21,154 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:05:21,160 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;@36051993, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:05:21,161 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 03:05:21,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 339 states, 261 states have (on average 1.6360153256704981) internal successors, (427), 266 states have internal predecessors, (427), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-14 03:05:21,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 03:05:21,195 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:21,196 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:21,196 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:21,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:21,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1380175160, now seen corresponding path program 1 times [2024-10-14 03:05:21,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:21,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156475230] [2024-10-14 03:05:21,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:21,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:21,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:21,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:21,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:21,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:05:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:21,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:05:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:21,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:05:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:21,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 03:05:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:21,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 03:05:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:21,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:05:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:21,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:05:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:21,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:05:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:21,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:05:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:21,978 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 03:05:21,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:21,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156475230] [2024-10-14 03:05:21,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156475230] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:05:21,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317970207] [2024-10-14 03:05:21,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:21,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:21,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:21,985 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 03:05:21,987 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 03:05:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:22,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 03:05:22,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:05:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:05:22,404 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:05:22,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317970207] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:22,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:05:22,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-14 03:05:22,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040786623] [2024-10-14 03:05:22,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:22,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 03:05:22,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:22,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 03:05:22,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:05:22,444 INFO L87 Difference]: Start difference. First operand has 339 states, 261 states have (on average 1.6360153256704981) internal successors, (427), 266 states have internal predecessors, (427), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:22,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:22,524 INFO L93 Difference]: Finished difference Result 494 states and 769 transitions. [2024-10-14 03:05:22,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 03:05:22,527 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 92 [2024-10-14 03:05:22,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:22,540 INFO L225 Difference]: With dead ends: 494 [2024-10-14 03:05:22,540 INFO L226 Difference]: Without dead ends: 336 [2024-10-14 03:05:22,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 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 03:05:22,549 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:22,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 517 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:05:22,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-14 03:05:22,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2024-10-14 03:05:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 259 states have (on average 1.6216216216216217) internal successors, (420), 263 states have internal predecessors, (420), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-14 03:05:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 527 transitions. [2024-10-14 03:05:22,618 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 527 transitions. Word has length 92 [2024-10-14 03:05:22,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:22,619 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 527 transitions. [2024-10-14 03:05:22,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:22,619 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 527 transitions. [2024-10-14 03:05:22,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-14 03:05:22,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:22,625 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:22,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 03:05:22,826 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 03:05:22,826 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:22,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:22,827 INFO L85 PathProgramCache]: Analyzing trace with hash -516200392, now seen corresponding path program 1 times [2024-10-14 03:05:22,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:22,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428935771] [2024-10-14 03:05:22,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:22,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:05:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:05:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:05:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 03:05:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 03:05:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:05:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 03:05:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 03:05:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 03:05:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,188 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 03:05:23,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:23,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428935771] [2024-10-14 03:05:23,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428935771] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:05:23,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18828801] [2024-10-14 03:05:23,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:23,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:23,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:23,194 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 03:05:23,197 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 03:05:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 03:05:23,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:05:23,536 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:05:23,537 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:05:23,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18828801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:23,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:05:23,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 03:05:23,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704986444] [2024-10-14 03:05:23,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:23,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:05:23,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:23,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:05:23,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:05:23,540 INFO L87 Difference]: Start difference. First operand 336 states and 527 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:23,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:23,629 INFO L93 Difference]: Finished difference Result 490 states and 753 transitions. [2024-10-14 03:05:23,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:05:23,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 93 [2024-10-14 03:05:23,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:23,636 INFO L225 Difference]: With dead ends: 490 [2024-10-14 03:05:23,638 INFO L226 Difference]: Without dead ends: 338 [2024-10-14 03:05:23,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 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 03:05:23,641 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 0 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:23,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1027 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:05:23,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-10-14 03:05:23,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2024-10-14 03:05:23,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 261 states have (on average 1.6168582375478928) internal successors, (422), 265 states have internal predecessors, (422), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-14 03:05:23,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 529 transitions. [2024-10-14 03:05:23,685 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 529 transitions. Word has length 93 [2024-10-14 03:05:23,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:23,685 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 529 transitions. [2024-10-14 03:05:23,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:23,685 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 529 transitions. [2024-10-14 03:05:23,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 03:05:23,687 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:23,687 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:23,705 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 03:05:23,888 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 03:05:23,889 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:23,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:23,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1669581909, now seen corresponding path program 1 times [2024-10-14 03:05:23,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:23,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782478844] [2024-10-14 03:05:23,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:23,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:05:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:05:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:05:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 03:05:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:05:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 03:05:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 03:05:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 03:05:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 03:05:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,200 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 03:05:24,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:24,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782478844] [2024-10-14 03:05:24,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782478844] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:05:24,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906989772] [2024-10-14 03:05:24,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:24,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:24,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:24,204 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 03:05:24,207 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 03:05:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 03:05:24,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:05:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:05:24,530 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:05:24,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906989772] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:24,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:05:24,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 03:05:24,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533236874] [2024-10-14 03:05:24,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:24,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:05:24,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:24,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:05:24,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:05:24,533 INFO L87 Difference]: Start difference. First operand 338 states and 529 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:24,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:24,597 INFO L93 Difference]: Finished difference Result 724 states and 1150 transitions. [2024-10-14 03:05:24,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:05:24,598 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2024-10-14 03:05:24,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:24,601 INFO L225 Difference]: With dead ends: 724 [2024-10-14 03:05:24,602 INFO L226 Difference]: Without dead ends: 408 [2024-10-14 03:05:24,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 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 03:05:24,604 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 129 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:24,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 992 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:05:24,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-10-14 03:05:24,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 403. [2024-10-14 03:05:24,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 312 states have (on average 1.6314102564102564) internal successors, (509), 316 states have internal predecessors, (509), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-14 03:05:24,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 644 transitions. [2024-10-14 03:05:24,629 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 644 transitions. Word has length 100 [2024-10-14 03:05:24,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:24,631 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 644 transitions. [2024-10-14 03:05:24,631 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 644 transitions. [2024-10-14 03:05:24,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-14 03:05:24,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:24,634 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:24,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 03:05:24,835 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 03:05:24,836 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:24,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:24,836 INFO L85 PathProgramCache]: Analyzing trace with hash 250404193, now seen corresponding path program 1 times [2024-10-14 03:05:24,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:24,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002190019] [2024-10-14 03:05:24,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:24,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:05:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:05:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:05:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 03:05:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:05:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:05:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 03:05:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 03:05:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:05:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 03:05:25,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:25,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002190019] [2024-10-14 03:05:25,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002190019] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:05:25,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159752742] [2024-10-14 03:05:25,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:25,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:25,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:25,046 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 03:05:25,047 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 03:05:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 03:05:25,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:05:25,403 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 03:05:25,406 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:05:25,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159752742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:25,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:05:25,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-14 03:05:25,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423938460] [2024-10-14 03:05:25,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:25,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:05:25,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:25,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:05:25,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:05:25,410 INFO L87 Difference]: Start difference. First operand 403 states and 644 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:05:25,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:25,525 INFO L93 Difference]: Finished difference Result 801 states and 1282 transitions. [2024-10-14 03:05:25,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:05:25,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 101 [2024-10-14 03:05:25,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:25,529 INFO L225 Difference]: With dead ends: 801 [2024-10-14 03:05:25,531 INFO L226 Difference]: Without dead ends: 405 [2024-10-14 03:05:25,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 118 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 03:05:25,534 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 2 mSDsluCounter, 1507 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2013 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:25,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2013 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:05:25,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-14 03:05:25,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-10-14 03:05:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 313 states have (on average 1.6293929712460065) internal successors, (510), 318 states have internal predecessors, (510), 68 states have call successors, (68), 22 states have call predecessors, (68), 23 states have return successors, (69), 66 states have call predecessors, (69), 67 states have call successors, (69) [2024-10-14 03:05:25,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 647 transitions. [2024-10-14 03:05:25,566 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 647 transitions. Word has length 101 [2024-10-14 03:05:25,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:25,567 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 647 transitions. [2024-10-14 03:05:25,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:05:25,567 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 647 transitions. [2024-10-14 03:05:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-14 03:05:25,570 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:25,570 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:25,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 03:05:25,770 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 03:05:25,771 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:25,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:25,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1285365027, now seen corresponding path program 1 times [2024-10-14 03:05:25,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:25,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242171869] [2024-10-14 03:05:25,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:25,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 03:05:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 03:05:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:25,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 03:05:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 03:05:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 03:05:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:05:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 03:05:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 03:05:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 03:05:26,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:26,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242171869] [2024-10-14 03:05:26,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242171869] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:05:26,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814057274] [2024-10-14 03:05:26,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:26,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:26,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:26,027 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 03:05:26,028 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 03:05:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 03:05:26,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:05:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 03:05:26,360 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:05:26,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814057274] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:26,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:05:26,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-14 03:05:26,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972632910] [2024-10-14 03:05:26,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:26,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:05:26,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:26,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:05:26,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:05:26,362 INFO L87 Difference]: Start difference. First operand 405 states and 647 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:05:26,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:26,470 INFO L93 Difference]: Finished difference Result 803 states and 1287 transitions. [2024-10-14 03:05:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:05:26,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 102 [2024-10-14 03:05:26,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:26,474 INFO L225 Difference]: With dead ends: 803 [2024-10-14 03:05:26,474 INFO L226 Difference]: Without dead ends: 407 [2024-10-14 03:05:26,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 118 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 03:05:26,477 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 2 mSDsluCounter, 1495 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:26,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1999 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:05:26,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-10-14 03:05:26,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-10-14 03:05:26,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 314 states have (on average 1.627388535031847) internal successors, (511), 320 states have internal predecessors, (511), 68 states have call successors, (68), 22 states have call predecessors, (68), 24 states have return successors, (74), 66 states have call predecessors, (74), 67 states have call successors, (74) [2024-10-14 03:05:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 653 transitions. [2024-10-14 03:05:26,503 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 653 transitions. Word has length 102 [2024-10-14 03:05:26,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:26,504 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 653 transitions. [2024-10-14 03:05:26,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:05:26,504 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 653 transitions. [2024-10-14 03:05:26,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 03:05:26,507 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:26,507 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:26,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 03:05:26,707 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 03:05:26,708 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:26,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:26,708 INFO L85 PathProgramCache]: Analyzing trace with hash -251798975, now seen corresponding path program 1 times [2024-10-14 03:05:26,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:26,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964167723] [2024-10-14 03:05:26,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:26,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 03:05:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 03:05:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 03:05:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:05:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:05:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 03:05:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 03:05:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 03:05:26,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:26,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964167723] [2024-10-14 03:05:26,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964167723] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:26,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:26,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 03:05:26,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698167668] [2024-10-14 03:05:26,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:26,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:05:26,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:26,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:05:26,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:05:26,924 INFO L87 Difference]: Start difference. First operand 407 states and 653 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:05:28,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:28,927 INFO L93 Difference]: Finished difference Result 883 states and 1448 transitions. [2024-10-14 03:05:28,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:05:28,928 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 103 [2024-10-14 03:05:28,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:28,932 INFO L225 Difference]: With dead ends: 883 [2024-10-14 03:05:28,932 INFO L226 Difference]: Without dead ends: 495 [2024-10-14 03:05:28,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 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 03:05:28,934 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1118 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2276 mSolverCounterSat, 346 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 2622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 346 IncrementalHoareTripleChecker+Valid, 2276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:28,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 1199 Invalid, 2622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [346 Valid, 2276 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 03:05:28,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-10-14 03:05:28,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 407. [2024-10-14 03:05:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 314 states have (on average 1.627388535031847) internal successors, (511), 320 states have internal predecessors, (511), 68 states have call successors, (68), 22 states have call predecessors, (68), 24 states have return successors, (73), 66 states have call predecessors, (73), 67 states have call successors, (73) [2024-10-14 03:05:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 652 transitions. [2024-10-14 03:05:28,970 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 652 transitions. Word has length 103 [2024-10-14 03:05:28,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:28,970 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 652 transitions. [2024-10-14 03:05:28,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:05:28,971 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 652 transitions. [2024-10-14 03:05:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 03:05:28,973 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:28,973 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 03:05:28,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 03:05:28,973 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:28,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:28,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1297357989, now seen corresponding path program 2 times [2024-10-14 03:05:28,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:28,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886545237] [2024-10-14 03:05:28,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:28,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:29,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:29,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:29,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:29,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:29,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:29,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 03:05:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:29,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 03:05:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:29,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 03:05:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:29,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:05:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:29,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:05:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:29,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 03:05:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:29,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 03:05:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 03:05:29,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:29,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886545237] [2024-10-14 03:05:29,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886545237] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:29,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:29,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 03:05:29,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402058396] [2024-10-14 03:05:29,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:29,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:05:29,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:29,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:05:29,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:05:29,189 INFO L87 Difference]: Start difference. First operand 407 states and 652 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:05:31,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:31,093 INFO L93 Difference]: Finished difference Result 885 states and 1451 transitions. [2024-10-14 03:05:31,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:05:31,094 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 104 [2024-10-14 03:05:31,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:31,098 INFO L225 Difference]: With dead ends: 885 [2024-10-14 03:05:31,098 INFO L226 Difference]: Without dead ends: 497 [2024-10-14 03:05:31,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 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 03:05:31,101 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1116 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2248 mSolverCounterSat, 370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 2618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 370 IncrementalHoareTripleChecker+Valid, 2248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:31,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1117 Valid, 1199 Invalid, 2618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [370 Valid, 2248 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 03:05:31,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-10-14 03:05:31,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 409. [2024-10-14 03:05:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 315 states have (on average 1.6253968253968254) internal successors, (512), 322 states have internal predecessors, (512), 68 states have call successors, (68), 22 states have call predecessors, (68), 25 states have return successors, (75), 66 states have call predecessors, (75), 67 states have call successors, (75) [2024-10-14 03:05:31,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 655 transitions. [2024-10-14 03:05:31,147 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 655 transitions. Word has length 104 [2024-10-14 03:05:31,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:31,148 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 655 transitions. [2024-10-14 03:05:31,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:05:31,148 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 655 transitions. [2024-10-14 03:05:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-14 03:05:31,150 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:31,151 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:31,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 03:05:31,151 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:31,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:31,152 INFO L85 PathProgramCache]: Analyzing trace with hash 167411846, now seen corresponding path program 1 times [2024-10-14 03:05:31,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:31,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632175334] [2024-10-14 03:05:31,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:31,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:05:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 03:05:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:05:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:05:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:05:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 03:05:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,379 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 03:05:31,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:31,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632175334] [2024-10-14 03:05:31,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632175334] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:31,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:31,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:05:31,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355572442] [2024-10-14 03:05:31,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:31,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:05:31,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:31,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:05:31,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:05:31,383 INFO L87 Difference]: Start difference. First operand 409 states and 655 transitions. Second operand has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 03:05:33,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:33,756 INFO L93 Difference]: Finished difference Result 883 states and 1446 transitions. [2024-10-14 03:05:33,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:05:33,757 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 105 [2024-10-14 03:05:33,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:33,761 INFO L225 Difference]: With dead ends: 883 [2024-10-14 03:05:33,761 INFO L226 Difference]: Without dead ends: 497 [2024-10-14 03:05:33,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 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 03:05:33,763 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1122 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3722 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 4091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 3722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:33,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1123 Valid, 1663 Invalid, 4091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 3722 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-14 03:05:33,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-10-14 03:05:33,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 409. [2024-10-14 03:05:33,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 315 states have (on average 1.6253968253968254) internal successors, (512), 322 states have internal predecessors, (512), 68 states have call successors, (68), 22 states have call predecessors, (68), 25 states have return successors, (74), 66 states have call predecessors, (74), 67 states have call successors, (74) [2024-10-14 03:05:33,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 654 transitions. [2024-10-14 03:05:33,791 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 654 transitions. Word has length 105 [2024-10-14 03:05:33,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:33,791 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 654 transitions. [2024-10-14 03:05:33,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 03:05:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 654 transitions. [2024-10-14 03:05:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-14 03:05:33,793 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:33,794 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 03:05:33,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 03:05:33,794 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:33,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:33,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1945068078, now seen corresponding path program 2 times [2024-10-14 03:05:33,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:33,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352477545] [2024-10-14 03:05:33,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:33,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:33,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:33,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:33,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:33,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:33,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:33,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:05:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 03:05:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:05:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 03:05:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 03:05:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 03:05:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 03:05:34,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:34,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352477545] [2024-10-14 03:05:34,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352477545] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:34,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:34,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:05:34,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645958327] [2024-10-14 03:05:34,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:34,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:05:34,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:34,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:05:34,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:05:34,054 INFO L87 Difference]: Start difference. First operand 409 states and 654 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 03:05:36,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:36,279 INFO L93 Difference]: Finished difference Result 885 states and 1452 transitions. [2024-10-14 03:05:36,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:05:36,280 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 106 [2024-10-14 03:05:36,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:36,283 INFO L225 Difference]: With dead ends: 885 [2024-10-14 03:05:36,283 INFO L226 Difference]: Without dead ends: 499 [2024-10-14 03:05:36,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 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 03:05:36,285 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1113 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3837 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 4206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 3837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:36,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 1665 Invalid, 4206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 3837 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-14 03:05:36,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-10-14 03:05:36,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 411. [2024-10-14 03:05:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 316 states have (on average 1.6234177215189873) internal successors, (513), 324 states have internal predecessors, (513), 68 states have call successors, (68), 22 states have call predecessors, (68), 26 states have return successors, (79), 66 states have call predecessors, (79), 67 states have call successors, (79) [2024-10-14 03:05:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 660 transitions. [2024-10-14 03:05:36,316 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 660 transitions. Word has length 106 [2024-10-14 03:05:36,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:36,316 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 660 transitions. [2024-10-14 03:05:36,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 03:05:36,316 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 660 transitions. [2024-10-14 03:05:36,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-14 03:05:36,318 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:36,318 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:36,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 03:05:36,319 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:36,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:36,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1752853301, now seen corresponding path program 1 times [2024-10-14 03:05:36,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:36,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362701679] [2024-10-14 03:05:36,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:36,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 03:05:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 03:05:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:05:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 03:05:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 03:05:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 03:05:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-14 03:05:36,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:36,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362701679] [2024-10-14 03:05:36,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362701679] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:05:36,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438722311] [2024-10-14 03:05:36,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:36,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:36,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:36,551 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 03:05:36,553 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 03:05:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 03:05:36,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:05:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:36,879 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 03:05:37,020 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:37,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438722311] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 03:05:37,021 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 03:05:37,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-14 03:05:37,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253929192] [2024-10-14 03:05:37,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 03:05:37,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 03:05:37,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:37,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 03:05:37,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:05:37,026 INFO L87 Difference]: Start difference. First operand 411 states and 660 transitions. Second operand has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 03:05:39,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:39,725 INFO L93 Difference]: Finished difference Result 1304 states and 2228 transitions. [2024-10-14 03:05:39,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 03:05:39,726 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 107 [2024-10-14 03:05:39,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:39,732 INFO L225 Difference]: With dead ends: 1304 [2024-10-14 03:05:39,732 INFO L226 Difference]: Without dead ends: 919 [2024-10-14 03:05:39,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 233 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 03:05:39,735 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 2325 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 4330 mSolverCounterSat, 711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2345 SdHoareTripleChecker+Valid, 1951 SdHoareTripleChecker+Invalid, 5041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 711 IncrementalHoareTripleChecker+Valid, 4330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:39,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2345 Valid, 1951 Invalid, 5041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [711 Valid, 4330 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-14 03:05:39,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2024-10-14 03:05:39,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 816. [2024-10-14 03:05:39,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 642 states have (on average 1.6604361370716512) internal successors, (1066), 650 states have internal predecessors, (1066), 147 states have call successors, (147), 22 states have call predecessors, (147), 26 states have return successors, (168), 145 states have call predecessors, (168), 146 states have call successors, (168) [2024-10-14 03:05:39,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1381 transitions. [2024-10-14 03:05:39,786 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1381 transitions. Word has length 107 [2024-10-14 03:05:39,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:39,787 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 1381 transitions. [2024-10-14 03:05:39,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 03:05:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1381 transitions. [2024-10-14 03:05:39,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-14 03:05:39,792 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:39,792 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:39,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 03:05:39,993 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 03:05:39,993 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:39,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:39,994 INFO L85 PathProgramCache]: Analyzing trace with hash 852072858, now seen corresponding path program 1 times [2024-10-14 03:05:39,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:39,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873083820] [2024-10-14 03:05:39,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:39,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 03:05:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:05:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:05:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:05:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 03:05:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 03:05:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,099 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:40,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:40,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873083820] [2024-10-14 03:05:40,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873083820] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:40,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:40,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:40,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114009541] [2024-10-14 03:05:40,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:40,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:40,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:40,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:40,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:40,101 INFO L87 Difference]: Start difference. First operand 816 states and 1381 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:41,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:41,316 INFO L93 Difference]: Finished difference Result 2039 states and 3547 transitions. [2024-10-14 03:05:41,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:41,317 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2024-10-14 03:05:41,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:41,325 INFO L225 Difference]: With dead ends: 2039 [2024-10-14 03:05:41,325 INFO L226 Difference]: Without dead ends: 1291 [2024-10-14 03:05:41,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 03:05:41,329 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1242 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:41,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 910 Invalid, 1737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:05:41,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2024-10-14 03:05:41,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1198. [2024-10-14 03:05:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 945 states have (on average 1.66984126984127) internal successors, (1578), 953 states have internal predecessors, (1578), 226 states have call successors, (226), 22 states have call predecessors, (226), 26 states have return successors, (257), 224 states have call predecessors, (257), 225 states have call successors, (257) [2024-10-14 03:05:41,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 2061 transitions. [2024-10-14 03:05:41,394 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 2061 transitions. Word has length 111 [2024-10-14 03:05:41,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:41,395 INFO L471 AbstractCegarLoop]: Abstraction has 1198 states and 2061 transitions. [2024-10-14 03:05:41,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 2061 transitions. [2024-10-14 03:05:41,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-14 03:05:41,401 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:41,401 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:41,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 03:05:41,401 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:41,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:41,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1992007875, now seen corresponding path program 1 times [2024-10-14 03:05:41,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:41,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049699111] [2024-10-14 03:05:41,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:41,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:41,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:41,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:41,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:41,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:41,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:41,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:41,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 03:05:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:41,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:05:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:41,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:05:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:41,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:05:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:41,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 03:05:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:41,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 03:05:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:41,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:41,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049699111] [2024-10-14 03:05:41,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049699111] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:41,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:41,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:41,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433912990] [2024-10-14 03:05:41,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:41,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:41,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:41,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:41,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:41,510 INFO L87 Difference]: Start difference. First operand 1198 states and 2061 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:42,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:42,758 INFO L93 Difference]: Finished difference Result 2990 states and 5233 transitions. [2024-10-14 03:05:42,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:42,759 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2024-10-14 03:05:42,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:42,769 INFO L225 Difference]: With dead ends: 2990 [2024-10-14 03:05:42,769 INFO L226 Difference]: Without dead ends: 1910 [2024-10-14 03:05:42,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 03:05:42,774 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1239 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 1693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 442 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:42,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1257 Valid, 880 Invalid, 1693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [442 Valid, 1251 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:05:42,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2024-10-14 03:05:42,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 1817. [2024-10-14 03:05:42,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1817 states, 1445 states have (on average 1.6733564013840831) internal successors, (2418), 1453 states have internal predecessors, (2418), 345 states have call successors, (345), 22 states have call predecessors, (345), 26 states have return successors, (376), 343 states have call predecessors, (376), 344 states have call successors, (376) [2024-10-14 03:05:42,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 3139 transitions. [2024-10-14 03:05:42,868 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 3139 transitions. Word has length 112 [2024-10-14 03:05:42,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:42,871 INFO L471 AbstractCegarLoop]: Abstraction has 1817 states and 3139 transitions. [2024-10-14 03:05:42,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:42,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 3139 transitions. [2024-10-14 03:05:42,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-14 03:05:42,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:42,880 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:42,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 03:05:42,881 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:42,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:42,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1058010808, now seen corresponding path program 1 times [2024-10-14 03:05:42,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:42,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097078755] [2024-10-14 03:05:42,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:42,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 03:05:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:05:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:05:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 03:05:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 03:05:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:05:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,996 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:42,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:42,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097078755] [2024-10-14 03:05:42,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097078755] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:42,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:42,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:42,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189205415] [2024-10-14 03:05:42,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:42,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:42,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:42,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:42,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:42,998 INFO L87 Difference]: Start difference. First operand 1817 states and 3139 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:44,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:44,363 INFO L93 Difference]: Finished difference Result 4430 states and 7804 transitions. [2024-10-14 03:05:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:44,364 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2024-10-14 03:05:44,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:44,381 INFO L225 Difference]: With dead ends: 4430 [2024-10-14 03:05:44,382 INFO L226 Difference]: Without dead ends: 2859 [2024-10-14 03:05:44,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 03:05:44,390 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1234 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:44,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1252 Valid, 873 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 1268 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 03:05:44,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2024-10-14 03:05:44,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 2766. [2024-10-14 03:05:44,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2232 states have (on average 1.6769713261648747) internal successors, (3743), 2240 states have internal predecessors, (3743), 507 states have call successors, (507), 22 states have call predecessors, (507), 26 states have return successors, (554), 505 states have call predecessors, (554), 506 states have call successors, (554) [2024-10-14 03:05:44,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 4804 transitions. [2024-10-14 03:05:44,514 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 4804 transitions. Word has length 113 [2024-10-14 03:05:44,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:44,514 INFO L471 AbstractCegarLoop]: Abstraction has 2766 states and 4804 transitions. [2024-10-14 03:05:44,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:44,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 4804 transitions. [2024-10-14 03:05:44,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-14 03:05:44,527 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:44,527 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:44,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 03:05:44,528 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:44,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:44,528 INFO L85 PathProgramCache]: Analyzing trace with hash -734495938, now seen corresponding path program 1 times [2024-10-14 03:05:44,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:44,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825974630] [2024-10-14 03:05:44,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:44,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:44,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:44,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:44,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:44,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:44,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:44,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:44,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:05:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:44,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:05:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:44,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:05:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:44,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 03:05:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:44,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 03:05:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:44,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 03:05:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:44,672 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:44,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:44,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825974630] [2024-10-14 03:05:44,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825974630] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:44,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:44,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:44,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228192876] [2024-10-14 03:05:44,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:44,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:44,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:44,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:44,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:44,674 INFO L87 Difference]: Start difference. First operand 2766 states and 4804 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:45,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:45,969 INFO L93 Difference]: Finished difference Result 6702 states and 11872 transitions. [2024-10-14 03:05:45,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:45,970 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2024-10-14 03:05:45,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:45,993 INFO L225 Difference]: With dead ends: 6702 [2024-10-14 03:05:45,994 INFO L226 Difference]: Without dead ends: 4391 [2024-10-14 03:05:46,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 03:05:46,003 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1235 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:46,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 872 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1249 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 03:05:46,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2024-10-14 03:05:46,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 4298. [2024-10-14 03:05:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4298 states, 3519 states have (on average 1.6797385620915033) internal successors, (5911), 3527 states have internal predecessors, (5911), 752 states have call successors, (752), 22 states have call predecessors, (752), 26 states have return successors, (825), 750 states have call predecessors, (825), 751 states have call successors, (825) [2024-10-14 03:05:46,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4298 states to 4298 states and 7488 transitions. [2024-10-14 03:05:46,219 INFO L78 Accepts]: Start accepts. Automaton has 4298 states and 7488 transitions. Word has length 114 [2024-10-14 03:05:46,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:46,219 INFO L471 AbstractCegarLoop]: Abstraction has 4298 states and 7488 transitions. [2024-10-14 03:05:46,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:46,220 INFO L276 IsEmpty]: Start isEmpty. Operand 4298 states and 7488 transitions. [2024-10-14 03:05:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 03:05:46,233 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:46,233 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:46,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 03:05:46,233 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:46,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:46,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1284793380, now seen corresponding path program 1 times [2024-10-14 03:05:46,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:46,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498275531] [2024-10-14 03:05:46,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:46,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:46,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:46,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:46,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:46,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:46,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:46,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:46,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 03:05:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:46,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:05:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:46,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 03:05:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:46,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 03:05:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:46,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 03:05:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:46,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 03:05:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:46,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:46,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498275531] [2024-10-14 03:05:46,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498275531] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:46,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:46,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:46,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340994624] [2024-10-14 03:05:46,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:46,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:46,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:46,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:46,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:46,345 INFO L87 Difference]: Start difference. First operand 4298 states and 7488 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:47,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:47,798 INFO L93 Difference]: Finished difference Result 10755 states and 19083 transitions. [2024-10-14 03:05:47,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:47,799 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-10-14 03:05:47,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:47,843 INFO L225 Difference]: With dead ends: 10755 [2024-10-14 03:05:47,843 INFO L226 Difference]: Without dead ends: 7151 [2024-10-14 03:05:47,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 03:05:47,862 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1232 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:47,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 913 Invalid, 1711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 03:05:47,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7151 states. [2024-10-14 03:05:48,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7151 to 7058. [2024-10-14 03:05:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7058 states, 5786 states have (on average 1.6742136190805392) internal successors, (9687), 5794 states have internal predecessors, (9687), 1245 states have call successors, (1245), 22 states have call predecessors, (1245), 26 states have return successors, (1362), 1243 states have call predecessors, (1362), 1244 states have call successors, (1362) [2024-10-14 03:05:48,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7058 states to 7058 states and 12294 transitions. [2024-10-14 03:05:48,321 INFO L78 Accepts]: Start accepts. Automaton has 7058 states and 12294 transitions. Word has length 115 [2024-10-14 03:05:48,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:48,322 INFO L471 AbstractCegarLoop]: Abstraction has 7058 states and 12294 transitions. [2024-10-14 03:05:48,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 7058 states and 12294 transitions. [2024-10-14 03:05:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-14 03:05:48,341 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:48,341 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:48,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 03:05:48,341 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:48,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:48,342 INFO L85 PathProgramCache]: Analyzing trace with hash 169707618, now seen corresponding path program 1 times [2024-10-14 03:05:48,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:48,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293903626] [2024-10-14 03:05:48,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:48,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:48,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:48,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:48,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:48,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:48,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:48,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:48,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:05:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:48,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:05:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:48,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 03:05:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:48,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 03:05:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:48,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 03:05:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:48,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 03:05:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:48,445 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:48,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:48,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293903626] [2024-10-14 03:05:48,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293903626] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:48,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:48,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:48,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532379714] [2024-10-14 03:05:48,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:48,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:48,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:48,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:48,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:48,448 INFO L87 Difference]: Start difference. First operand 7058 states and 12294 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:49,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:49,904 INFO L93 Difference]: Finished difference Result 17958 states and 31830 transitions. [2024-10-14 03:05:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:49,904 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2024-10-14 03:05:49,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:49,954 INFO L225 Difference]: With dead ends: 17958 [2024-10-14 03:05:49,954 INFO L226 Difference]: Without dead ends: 11980 [2024-10-14 03:05:49,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 03:05:49,979 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1233 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:49,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1252 Valid, 879 Invalid, 1690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 1250 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 03:05:49,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11980 states. [2024-10-14 03:05:50,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11980 to 11887. [2024-10-14 03:05:50,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11887 states, 9793 states have (on average 1.67344021239661) internal successors, (16388), 9801 states have internal predecessors, (16388), 2067 states have call successors, (2067), 22 states have call predecessors, (2067), 26 states have return successors, (2262), 2065 states have call predecessors, (2262), 2066 states have call successors, (2262) [2024-10-14 03:05:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11887 states to 11887 states and 20717 transitions. [2024-10-14 03:05:50,506 INFO L78 Accepts]: Start accepts. Automaton has 11887 states and 20717 transitions. Word has length 116 [2024-10-14 03:05:50,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:50,507 INFO L471 AbstractCegarLoop]: Abstraction has 11887 states and 20717 transitions. [2024-10-14 03:05:50,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:50,508 INFO L276 IsEmpty]: Start isEmpty. Operand 11887 states and 20717 transitions. [2024-10-14 03:05:50,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-14 03:05:50,525 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:50,526 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:50,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 03:05:50,526 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:50,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:50,526 INFO L85 PathProgramCache]: Analyzing trace with hash -66544954, now seen corresponding path program 1 times [2024-10-14 03:05:50,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:50,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296728318] [2024-10-14 03:05:50,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:50,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:05:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 03:05:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 03:05:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 03:05:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 03:05:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 03:05:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:50,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:50,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296728318] [2024-10-14 03:05:50,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296728318] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:50,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:50,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:50,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989855136] [2024-10-14 03:05:50,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:50,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:50,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:50,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:50,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:50,639 INFO L87 Difference]: Start difference. First operand 11887 states and 20717 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:52,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:52,260 INFO L93 Difference]: Finished difference Result 28504 states and 50278 transitions. [2024-10-14 03:05:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:52,261 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2024-10-14 03:05:52,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:52,349 INFO L225 Difference]: With dead ends: 28504 [2024-10-14 03:05:52,350 INFO L226 Difference]: Without dead ends: 18652 [2024-10-14 03:05:52,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 03:05:52,390 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1226 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 1300 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 1300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:52,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 860 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 1300 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:05:52,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18652 states. [2024-10-14 03:05:53,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18652 to 18559. [2024-10-14 03:05:53,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18559 states, 15262 states have (on average 1.6496527322762415) internal successors, (25177), 15270 states have internal predecessors, (25177), 3270 states have call successors, (3270), 22 states have call predecessors, (3270), 26 states have return successors, (3609), 3268 states have call predecessors, (3609), 3269 states have call successors, (3609) [2024-10-14 03:05:53,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18559 states to 18559 states and 32056 transitions. [2024-10-14 03:05:53,163 INFO L78 Accepts]: Start accepts. Automaton has 18559 states and 32056 transitions. Word has length 117 [2024-10-14 03:05:53,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:53,164 INFO L471 AbstractCegarLoop]: Abstraction has 18559 states and 32056 transitions. [2024-10-14 03:05:53,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 18559 states and 32056 transitions. [2024-10-14 03:05:53,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-14 03:05:53,186 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:53,186 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:53,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 03:05:53,186 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:53,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:53,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1762600963, now seen corresponding path program 1 times [2024-10-14 03:05:53,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:53,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135122935] [2024-10-14 03:05:53,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:53,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:53,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:53,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:53,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:53,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:53,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:53,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:53,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:05:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:53,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 03:05:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:53,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 03:05:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:53,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:05:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:53,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 03:05:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:53,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 03:05:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:53,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:53,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135122935] [2024-10-14 03:05:53,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135122935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:53,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:53,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:53,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145839390] [2024-10-14 03:05:53,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:53,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:53,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:53,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:53,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:53,293 INFO L87 Difference]: Start difference. First operand 18559 states and 32056 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:55,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:55,356 INFO L93 Difference]: Finished difference Result 49137 states and 86397 transitions. [2024-10-14 03:05:55,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:55,356 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-10-14 03:05:55,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:55,523 INFO L225 Difference]: With dead ends: 49137 [2024-10-14 03:05:55,523 INFO L226 Difference]: Without dead ends: 33233 [2024-10-14 03:05:55,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 03:05:55,580 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1224 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:55,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1242 Valid, 874 Invalid, 1709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 03:05:55,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33233 states. [2024-10-14 03:05:57,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33233 to 33140. [2024-10-14 03:05:57,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33140 states, 27393 states have (on average 1.6465155331654073) internal successors, (45103), 27401 states have internal predecessors, (45103), 5720 states have call successors, (5720), 22 states have call predecessors, (5720), 26 states have return successors, (6333), 5718 states have call predecessors, (6333), 5719 states have call successors, (6333) [2024-10-14 03:05:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33140 states to 33140 states and 57156 transitions. [2024-10-14 03:05:57,453 INFO L78 Accepts]: Start accepts. Automaton has 33140 states and 57156 transitions. Word has length 118 [2024-10-14 03:05:57,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:57,455 INFO L471 AbstractCegarLoop]: Abstraction has 33140 states and 57156 transitions. [2024-10-14 03:05:57,455 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:05:57,455 INFO L276 IsEmpty]: Start isEmpty. Operand 33140 states and 57156 transitions. [2024-10-14 03:05:57,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-14 03:05:57,479 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:57,479 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:57,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 03:05:57,480 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:57,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:57,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1436892544, now seen corresponding path program 1 times [2024-10-14 03:05:57,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:57,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303865320] [2024-10-14 03:05:57,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:57,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:57,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:57,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:57,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:57,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:57,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:57,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:57,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:05:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:57,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:05:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:57,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 03:05:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 03:05:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:57,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 03:05:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:57,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 03:05:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:57,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:57,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303865320] [2024-10-14 03:05:57,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303865320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:57,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:57,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:57,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653931060] [2024-10-14 03:05:57,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:57,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:57,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:57,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:57,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:57,588 INFO L87 Difference]: Start difference. First operand 33140 states and 57156 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:06:00,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:06:00,318 INFO L93 Difference]: Finished difference Result 90439 states and 158226 transitions. [2024-10-14 03:06:00,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:06:00,319 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-10-14 03:06:00,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:06:00,607 INFO L225 Difference]: With dead ends: 90439 [2024-10-14 03:06:00,607 INFO L226 Difference]: Without dead ends: 60845 [2024-10-14 03:06:00,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 03:06:00,714 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1223 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 430 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:06:00,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 879 Invalid, 1704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [430 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 03:06:00,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60845 states. [2024-10-14 03:06:02,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60845 to 60752. [2024-10-14 03:06:02,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60752 states, 50492 states have (on average 1.6424978214370594) internal successors, (82933), 50500 states have internal predecessors, (82933), 10233 states have call successors, (10233), 22 states have call predecessors, (10233), 26 states have return successors, (11378), 10231 states have call predecessors, (11378), 10232 states have call successors, (11378) [2024-10-14 03:06:03,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60752 states to 60752 states and 104544 transitions. [2024-10-14 03:06:03,173 INFO L78 Accepts]: Start accepts. Automaton has 60752 states and 104544 transitions. Word has length 119 [2024-10-14 03:06:03,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:06:03,175 INFO L471 AbstractCegarLoop]: Abstraction has 60752 states and 104544 transitions. [2024-10-14 03:06:03,175 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:06:03,175 INFO L276 IsEmpty]: Start isEmpty. Operand 60752 states and 104544 transitions. [2024-10-14 03:06:03,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-14 03:06:03,201 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:06:03,201 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:06:03,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 03:06:03,202 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:06:03,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:06:03,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1765140989, now seen corresponding path program 1 times [2024-10-14 03:06:03,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:06:03,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897122684] [2024-10-14 03:06:03,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:06:03,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:06:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:03,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:06:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:03,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:06:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:03,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:06:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:03,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:06:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:03,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:06:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:03,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:06:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:03,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:06:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:03,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:06:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:03,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:06:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:03,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 03:06:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:03,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:06:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:03,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 03:06:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:06:03,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:06:03,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897122684] [2024-10-14 03:06:03,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897122684] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:06:03,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:06:03,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:06:03,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225217073] [2024-10-14 03:06:03,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:06:03,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:06:03,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:06:03,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:06:03,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:06:03,317 INFO L87 Difference]: Start difference. First operand 60752 states and 104544 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:06:07,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:06:07,315 INFO L93 Difference]: Finished difference Result 113791 states and 199579 transitions. [2024-10-14 03:06:07,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:06:07,316 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-10-14 03:06:07,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:06:07,989 INFO L225 Difference]: With dead ends: 113791 [2024-10-14 03:06:07,989 INFO L226 Difference]: Without dead ends: 113639 [2024-10-14 03:06:08,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 03:06:08,048 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1220 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 1245 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1238 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 1245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:06:08,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1238 Valid, 881 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 1245 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:06:08,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113639 states. [2024-10-14 03:06:11,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113639 to 113546. [2024-10-14 03:06:11,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113546 states, 94918 states have (on average 1.6374344170757917) internal successors, (155422), 94926 states have internal predecessors, (155422), 18601 states have call successors, (18601), 22 states have call predecessors, (18601), 26 states have return successors, (20792), 18599 states have call predecessors, (20792), 18600 states have call successors, (20792) [2024-10-14 03:06:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113546 states to 113546 states and 194815 transitions. [2024-10-14 03:06:12,384 INFO L78 Accepts]: Start accepts. Automaton has 113546 states and 194815 transitions. Word has length 120 [2024-10-14 03:06:12,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:06:12,385 INFO L471 AbstractCegarLoop]: Abstraction has 113546 states and 194815 transitions. [2024-10-14 03:06:12,385 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:06:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 113546 states and 194815 transitions. [2024-10-14 03:06:12,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-14 03:06:12,419 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:06:12,419 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:06:12,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 03:06:12,420 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:06:12,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:06:12,420 INFO L85 PathProgramCache]: Analyzing trace with hash 412523359, now seen corresponding path program 1 times [2024-10-14 03:06:12,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:06:12,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279797429] [2024-10-14 03:06:12,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:06:12,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:06:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:13,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:06:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:13,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:06:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:13,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:06:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:13,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:06:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:13,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:06:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:13,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:06:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:13,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:06:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:13,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:06:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:13,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:06:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:13,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:06:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:13,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 03:06:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:13,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 03:06:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:06:13,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:06:13,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279797429] [2024-10-14 03:06:13,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279797429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:06:13,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:06:13,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-14 03:06:13,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089869053] [2024-10-14 03:06:13,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:06:13,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 03:06:13,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:06:13,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 03:06:13,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-10-14 03:06:13,495 INFO L87 Difference]: Start difference. First operand 113546 states and 194815 transitions. Second operand has 16 states, 15 states have (on average 5.4) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-14 03:06:23,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:06:23,221 INFO L93 Difference]: Finished difference Result 226430 states and 400561 transitions. [2024-10-14 03:06:23,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-14 03:06:23,222 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 121 [2024-10-14 03:06:23,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:06:24,468 INFO L225 Difference]: With dead ends: 226430 [2024-10-14 03:06:24,468 INFO L226 Difference]: Without dead ends: 226283 [2024-10-14 03:06:24,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=648, Invalid=2544, Unknown=0, NotChecked=0, Total=3192 [2024-10-14 03:06:24,851 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 3692 mSDsluCounter, 2502 mSDsCounter, 0 mSdLazyCounter, 6300 mSolverCounterSat, 1267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3707 SdHoareTripleChecker+Valid, 2744 SdHoareTripleChecker+Invalid, 7567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1267 IncrementalHoareTripleChecker+Valid, 6300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:06:24,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3707 Valid, 2744 Invalid, 7567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1267 Valid, 6300 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-14 03:06:25,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226283 states.