./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec9_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/product-lines/email_spec9_product26.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 82ac70e4cab6ba17956a8bc3031bcd401426df4beecacca096cae721fbfd8afd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:01:40,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:01:40,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:01:40,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:01:40,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:01:40,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:01:40,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:01:40,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:01:40,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:01:40,759 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:01:40,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:01:40,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:01:40,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:01:40,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:01:40,763 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:01:40,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:01:40,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:01:40,764 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:01:40,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:01:40,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:01:40,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:01:40,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:01:40,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:01:40,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:01:40,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:01:40,765 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:01:40,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:01:40,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:01:40,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:01:40,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:01:40,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:01:40,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:01:40,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:01:40,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:01:40,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:01:40,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:01:40,767 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:01:40,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:01:40,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:01:40,767 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:01:40,767 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:01:40,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:01:40,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82ac70e4cab6ba17956a8bc3031bcd401426df4beecacca096cae721fbfd8afd [2024-11-22 02:01:40,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:01:40,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:01:40,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:01:40,993 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:01:40,993 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:01:40,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product26.cil.c [2024-11-22 02:01:42,537 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:01:42,858 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:01:42,858 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product26.cil.c [2024-11-22 02:01:42,886 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/666e5f526/4ee17825b9cd486eae2aca4b0f561760/FLAG6b7eb59af [2024-11-22 02:01:43,161 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/666e5f526/4ee17825b9cd486eae2aca4b0f561760 [2024-11-22 02:01:43,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:01:43,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:01:43,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:01:43,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:01:43,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:01:43,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:01:43" (1/1) ... [2024-11-22 02:01:43,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d91a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:43, skipping insertion in model container [2024-11-22 02:01:43,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:01:43" (1/1) ... [2024-11-22 02:01:43,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:01:43,882 WARN L250 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_product26.cil.c[24949,24962] [2024-11-22 02:01:44,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:01:44,025 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:01:44,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-22 02:01:44,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [414] [2024-11-22 02:01:44,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [758] [2024-11-22 02:01:44,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [980] [2024-11-22 02:01:44,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1092] [2024-11-22 02:01:44,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1101] [2024-11-22 02:01:44,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1136] [2024-11-22 02:01:44,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [1489] [2024-11-22 02:01:44,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1531] [2024-11-22 02:01:44,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1548] [2024-11-22 02:01:44,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1951] [2024-11-22 02:01:44,082 WARN L250 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_product26.cil.c[24949,24962] [2024-11-22 02:01:44,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:01:44,218 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:01:44,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44 WrapperNode [2024-11-22 02:01:44,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:01:44,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:01:44,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:01:44,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:01:44,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44" (1/1) ... [2024-11-22 02:01:44,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44" (1/1) ... [2024-11-22 02:01:44,328 INFO L138 Inliner]: procedures = 132, calls = 208, calls flagged for inlining = 61, calls inlined = 58, statements flattened = 1112 [2024-11-22 02:01:44,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:01:44,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:01:44,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:01:44,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:01:44,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44" (1/1) ... [2024-11-22 02:01:44,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44" (1/1) ... [2024-11-22 02:01:44,344 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44" (1/1) ... [2024-11-22 02:01:44,364 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]. [2024-11-22 02:01:44,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44" (1/1) ... [2024-11-22 02:01:44,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44" (1/1) ... [2024-11-22 02:01:44,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44" (1/1) ... [2024-11-22 02:01:44,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44" (1/1) ... [2024-11-22 02:01:44,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44" (1/1) ... [2024-11-22 02:01:44,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44" (1/1) ... [2024-11-22 02:01:44,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:01:44,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:01:44,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:01:44,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:01:44,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44" (1/1) ... [2024-11-22 02:01:44,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:01:44,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:01:44,431 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) [2024-11-22 02:01:44,433 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 [2024-11-22 02:01:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-22 02:01:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-22 02:01:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-22 02:01:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-22 02:01:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-22 02:01:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-22 02:01:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-22 02:01:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-22 02:01:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-22 02:01:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-22 02:01:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-22 02:01:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-22 02:01:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-22 02:01:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-22 02:01:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-22 02:01:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-22 02:01:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-22 02:01:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-22 02:01:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-22 02:01:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-22 02:01:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-22 02:01:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-22 02:01:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-22 02:01:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-22 02:01:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-22 02:01:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-22 02:01:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:01:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-22 02:01:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-22 02:01:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-22 02:01:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-22 02:01:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-22 02:01:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-22 02:01:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-22 02:01:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-22 02:01:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-22 02:01:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-22 02:01:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-22 02:01:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-22 02:01:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-22 02:01:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-22 02:01:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-22 02:01:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-22 02:01:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:01:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 02:01:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 02:01:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 02:01:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-22 02:01:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-22 02:01:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-22 02:01:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-22 02:01:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:01:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:01:44,694 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:01:44,696 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:01:45,572 INFO L? ?]: Removed 546 outVars from TransFormulas that were not future-live. [2024-11-22 02:01:45,572 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:01:45,596 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:01:45,599 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 02:01:45,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:01:45 BoogieIcfgContainer [2024-11-22 02:01:45,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:01:45,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:01:45,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:01:45,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:01:45,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:01:43" (1/3) ... [2024-11-22 02:01:45,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7347ea11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:01:45, skipping insertion in model container [2024-11-22 02:01:45,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:44" (2/3) ... [2024-11-22 02:01:45,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7347ea11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:01:45, skipping insertion in model container [2024-11-22 02:01:45,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:01:45" (3/3) ... [2024-11-22 02:01:45,608 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product26.cil.c [2024-11-22 02:01:45,622 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:01:45,622 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 02:01:45,731 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:01:45,740 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;@73348440, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:01:45,741 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 02:01:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 400 states, 313 states have (on average 1.5623003194888179) internal successors, (489), 318 states have internal predecessors, (489), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-22 02:01:45,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-22 02:01:45,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:45,776 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, 1, 1, 1, 1, 1] [2024-11-22 02:01:45,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:45,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:45,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1772077766, now seen corresponding path program 1 times [2024-11-22 02:01:45,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:45,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131835714] [2024-11-22 02:01:45,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:45,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:46,380 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 02:01:46,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:46,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131835714] [2024-11-22 02:01:46,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131835714] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:01:46,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961970793] [2024-11-22 02:01:46,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:46,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:01:46,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:01:46,391 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) [2024-11-22 02:01:46,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 02:01:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:46,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 02:01:46,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:01:46,660 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 02:01:46,661 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:01:46,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961970793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:46,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:01:46,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-22 02:01:46,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526766063] [2024-11-22 02:01:46,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:46,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 02:01:46,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:46,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 02:01:46,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:01:46,695 INFO L87 Difference]: Start difference. First operand has 400 states, 313 states have (on average 1.5623003194888179) internal successors, (489), 318 states have internal predecessors, (489), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2024-11-22 02:01:46,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:46,759 INFO L93 Difference]: Finished difference Result 602 states and 908 transitions. [2024-11-22 02:01:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 02:01:46,764 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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 98 [2024-11-22 02:01:46,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:46,788 INFO L225 Difference]: With dead ends: 602 [2024-11-22 02:01:46,789 INFO L226 Difference]: Without dead ends: 393 [2024-11-22 02:01:46,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:01:46,802 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:46,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:46,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-22 02:01:46,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2024-11-22 02:01:46,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 307 states have (on average 1.5570032573289903) internal successors, (478), 311 states have internal predecessors, (478), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-22 02:01:46,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 601 transitions. [2024-11-22 02:01:46,870 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 601 transitions. Word has length 98 [2024-11-22 02:01:46,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:46,872 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 601 transitions. [2024-11-22 02:01:46,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2024-11-22 02:01:46,873 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 601 transitions. [2024-11-22 02:01:46,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 02:01:46,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:46,882 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, 1, 1, 1, 1, 1, 1] [2024-11-22 02:01:46,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 02:01:47,084 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 [2024-11-22 02:01:47,084 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:47,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:47,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1213717743, now seen corresponding path program 1 times [2024-11-22 02:01:47,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:47,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227274732] [2024-11-22 02:01:47,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:47,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 02:01:47,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:47,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227274732] [2024-11-22 02:01:47,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227274732] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:01:47,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98764115] [2024-11-22 02:01:47,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:47,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:01:47,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:01:47,341 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) [2024-11-22 02:01:47,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 02:01:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:47,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 02:01:47,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:01:47,621 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 02:01:47,622 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:01:47,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98764115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:47,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:01:47,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 02:01:47,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326164089] [2024-11-22 02:01:47,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:47,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:01:47,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:47,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:01:47,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:01:47,625 INFO L87 Difference]: Start difference. First operand 393 states and 601 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-11-22 02:01:47,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:47,678 INFO L93 Difference]: Finished difference Result 592 states and 886 transitions. [2024-11-22 02:01:47,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:01:47,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 99 [2024-11-22 02:01:47,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:47,686 INFO L225 Difference]: With dead ends: 592 [2024-11-22 02:01:47,686 INFO L226 Difference]: Without dead ends: 396 [2024-11-22 02:01:47,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:01:47,688 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 1 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:47,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1196 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:47,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-22 02:01:47,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 395. [2024-11-22 02:01:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 309 states have (on average 1.5533980582524272) internal successors, (480), 313 states have internal predecessors, (480), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-22 02:01:47,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 603 transitions. [2024-11-22 02:01:47,732 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 603 transitions. Word has length 99 [2024-11-22 02:01:47,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:47,733 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 603 transitions. [2024-11-22 02:01:47,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-11-22 02:01:47,734 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 603 transitions. [2024-11-22 02:01:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-22 02:01:47,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:47,737 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:01:47,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 02:01:47,938 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 [2024-11-22 02:01:47,939 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:47,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:47,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1440636413, now seen corresponding path program 1 times [2024-11-22 02:01:47,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:47,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799015121] [2024-11-22 02:01:47,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:47,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 02:01:48,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:48,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799015121] [2024-11-22 02:01:48,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799015121] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:01:48,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53270870] [2024-11-22 02:01:48,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:48,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:01:48,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:01:48,105 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) [2024-11-22 02:01:48,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 02:01:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:48,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 02:01:48,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:01:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 02:01:48,398 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:01:48,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53270870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:48,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:01:48,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 02:01:48,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890450734] [2024-11-22 02:01:48,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:48,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:01:48,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:48,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:01:48,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:01:48,400 INFO L87 Difference]: Start difference. First operand 395 states and 603 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-22 02:01:48,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:48,435 INFO L93 Difference]: Finished difference Result 843 states and 1306 transitions. [2024-11-22 02:01:48,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:01:48,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 108 [2024-11-22 02:01:48,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:48,440 INFO L225 Difference]: With dead ends: 843 [2024-11-22 02:01:48,441 INFO L226 Difference]: Without dead ends: 475 [2024-11-22 02:01:48,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:01:48,443 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 142 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:48,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1164 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:48,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-22 02:01:48,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 467. [2024-11-22 02:01:48,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 367 states have (on average 1.5722070844686649) internal successors, (577), 371 states have internal predecessors, (577), 76 states have call successors, (76), 23 states have call predecessors, (76), 23 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-22 02:01:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 728 transitions. [2024-11-22 02:01:48,469 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 728 transitions. Word has length 108 [2024-11-22 02:01:48,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:48,470 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 728 transitions. [2024-11-22 02:01:48,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-22 02:01:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 728 transitions. [2024-11-22 02:01:48,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-22 02:01:48,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:48,473 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:01:48,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 02:01:48,674 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 [2024-11-22 02:01:48,676 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:48,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:48,679 INFO L85 PathProgramCache]: Analyzing trace with hash 630003650, now seen corresponding path program 1 times [2024-11-22 02:01:48,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:48,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076490922] [2024-11-22 02:01:48,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:48,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:48,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 02:01:48,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:48,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076490922] [2024-11-22 02:01:48,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076490922] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:01:48,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58891255] [2024-11-22 02:01:48,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:48,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:01:48,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:01:48,879 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) [2024-11-22 02:01:48,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 02:01:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:49,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 02:01:49,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:01:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 02:01:49,252 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:01:49,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58891255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:49,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:01:49,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-22 02:01:49,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130856243] [2024-11-22 02:01:49,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:49,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:01:49,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:49,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:01:49,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:01:49,254 INFO L87 Difference]: Start difference. First operand 467 states and 728 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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) [2024-11-22 02:01:49,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:49,327 INFO L93 Difference]: Finished difference Result 925 states and 1446 transitions. [2024-11-22 02:01:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:01:49,328 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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 109 [2024-11-22 02:01:49,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:49,330 INFO L225 Difference]: With dead ends: 925 [2024-11-22 02:01:49,331 INFO L226 Difference]: Without dead ends: 469 [2024-11-22 02:01:49,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:01:49,333 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 2 mSDsluCounter, 1768 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2361 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:49,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2361 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:49,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-22 02:01:49,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2024-11-22 02:01:49,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 368 states have (on average 1.5706521739130435) internal successors, (578), 373 states have internal predecessors, (578), 76 states have call successors, (76), 23 states have call predecessors, (76), 24 states have return successors, (77), 74 states have call predecessors, (77), 75 states have call successors, (77) [2024-11-22 02:01:49,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 731 transitions. [2024-11-22 02:01:49,358 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 731 transitions. Word has length 109 [2024-11-22 02:01:49,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:49,362 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 731 transitions. [2024-11-22 02:01:49,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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) [2024-11-22 02:01:49,363 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 731 transitions. [2024-11-22 02:01:49,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 02:01:49,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:49,365 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:01:49,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 02:01:49,566 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 [2024-11-22 02:01:49,567 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:49,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:49,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1737380185, now seen corresponding path program 1 times [2024-11-22 02:01:49,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:49,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725964831] [2024-11-22 02:01:49,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:49,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:49,803 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 02:01:49,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:49,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725964831] [2024-11-22 02:01:49,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725964831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:01:49,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773598692] [2024-11-22 02:01:49,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:49,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:01:49,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:01:49,808 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) [2024-11-22 02:01:49,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 02:01:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:50,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 02:01:50,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:01:50,077 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 02:01:50,078 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:01:50,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773598692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:50,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:01:50,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-22 02:01:50,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48088763] [2024-11-22 02:01:50,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:50,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:01:50,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:50,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:01:50,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 02:01:50,079 INFO L87 Difference]: Start difference. First operand 469 states and 731 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-11-22 02:01:50,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:50,153 INFO L93 Difference]: Finished difference Result 927 states and 1451 transitions. [2024-11-22 02:01:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:01:50,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 110 [2024-11-22 02:01:50,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:50,156 INFO L225 Difference]: With dead ends: 927 [2024-11-22 02:01:50,156 INFO L226 Difference]: Without dead ends: 471 [2024-11-22 02:01:50,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 02:01:50,158 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 2 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2347 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:50,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2347 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:01:50,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-22 02:01:50,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2024-11-22 02:01:50,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 369 states have (on average 1.5691056910569106) internal successors, (579), 375 states have internal predecessors, (579), 76 states have call successors, (76), 23 states have call predecessors, (76), 25 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-11-22 02:01:50,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 737 transitions. [2024-11-22 02:01:50,171 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 737 transitions. Word has length 110 [2024-11-22 02:01:50,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:50,172 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 737 transitions. [2024-11-22 02:01:50,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-11-22 02:01:50,172 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 737 transitions. [2024-11-22 02:01:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 02:01:50,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:50,174 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, 1, 1, 1, 1] [2024-11-22 02:01:50,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 02:01:50,377 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 [2024-11-22 02:01:50,378 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:50,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:50,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1454142977, now seen corresponding path program 1 times [2024-11-22 02:01:50,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:50,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919247780] [2024-11-22 02:01:50,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:50,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 02:01:50,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:50,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919247780] [2024-11-22 02:01:50,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919247780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:50,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:01:50,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:01:50,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628215021] [2024-11-22 02:01:50,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:50,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:01:50,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:50,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:01:50,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:01:50,483 INFO L87 Difference]: Start difference. First operand 471 states and 737 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-22 02:01:50,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:50,519 INFO L93 Difference]: Finished difference Result 919 states and 1442 transitions. [2024-11-22 02:01:50,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:01:50,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 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 111 [2024-11-22 02:01:50,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:50,547 INFO L225 Difference]: With dead ends: 919 [2024-11-22 02:01:50,547 INFO L226 Difference]: Without dead ends: 471 [2024-11-22 02:01:50,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:01:50,550 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 2 mSDsluCounter, 1771 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2365 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:50,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2365 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:50,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-22 02:01:50,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2024-11-22 02:01:50,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 369 states have (on average 1.5691056910569106) internal successors, (579), 375 states have internal predecessors, (579), 76 states have call successors, (76), 23 states have call predecessors, (76), 25 states have return successors, (81), 74 states have call predecessors, (81), 75 states have call successors, (81) [2024-11-22 02:01:50,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 736 transitions. [2024-11-22 02:01:50,576 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 736 transitions. Word has length 111 [2024-11-22 02:01:50,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:50,577 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 736 transitions. [2024-11-22 02:01:50,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-22 02:01:50,577 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 736 transitions. [2024-11-22 02:01:50,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-22 02:01:50,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:50,582 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, 1, 1, 1, 1, 1, 1] [2024-11-22 02:01:50,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 02:01:50,582 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:50,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:50,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1166401654, now seen corresponding path program 2 times [2024-11-22 02:01:50,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:50,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721368529] [2024-11-22 02:01:50,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 02:01:50,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:50,636 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 02:01:50,637 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 02:01:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 02:01:50,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:50,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721368529] [2024-11-22 02:01:50,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721368529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:50,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:01:50,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:01:50,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132422634] [2024-11-22 02:01:50,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:50,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:01:50,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:50,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:01:50,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:01:50,726 INFO L87 Difference]: Start difference. First operand 471 states and 736 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-22 02:01:50,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:50,769 INFO L93 Difference]: Finished difference Result 917 states and 1437 transitions. [2024-11-22 02:01:50,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:01:50,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 112 [2024-11-22 02:01:50,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:50,774 INFO L225 Difference]: With dead ends: 917 [2024-11-22 02:01:50,774 INFO L226 Difference]: Without dead ends: 471 [2024-11-22 02:01:50,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:01:50,776 INFO L432 NwaCegarLoop]: 592 mSDtfsCounter, 2 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2351 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:50,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2351 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:50,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-22 02:01:50,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2024-11-22 02:01:50,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 369 states have (on average 1.5691056910569106) internal successors, (579), 375 states have internal predecessors, (579), 76 states have call successors, (76), 23 states have call predecessors, (76), 25 states have return successors, (80), 74 states have call predecessors, (80), 75 states have call successors, (80) [2024-11-22 02:01:50,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 735 transitions. [2024-11-22 02:01:50,792 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 735 transitions. Word has length 112 [2024-11-22 02:01:50,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:50,792 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 735 transitions. [2024-11-22 02:01:50,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-22 02:01:50,793 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 735 transitions. [2024-11-22 02:01:50,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-22 02:01:50,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:50,794 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:01:50,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 02:01:50,795 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:50,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:50,795 INFO L85 PathProgramCache]: Analyzing trace with hash -120569028, now seen corresponding path program 3 times [2024-11-22 02:01:50,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:50,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219834683] [2024-11-22 02:01:50,795 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 02:01:50,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:50,820 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-22 02:01:50,820 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 02:01:50,889 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 02:01:50,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:50,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219834683] [2024-11-22 02:01:50,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219834683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:50,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:01:50,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:01:50,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626967680] [2024-11-22 02:01:50,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:50,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:01:50,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:50,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:01:50,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:01:50,891 INFO L87 Difference]: Start difference. First operand 471 states and 735 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-22 02:01:50,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:50,937 INFO L93 Difference]: Finished difference Result 919 states and 1443 transitions. [2024-11-22 02:01:50,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:01:50,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 113 [2024-11-22 02:01:50,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:50,940 INFO L225 Difference]: With dead ends: 919 [2024-11-22 02:01:50,941 INFO L226 Difference]: Without dead ends: 473 [2024-11-22 02:01:50,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:01:50,943 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 1 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2362 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:50,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2362 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:50,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-22 02:01:50,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2024-11-22 02:01:50,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 370 states have (on average 1.5675675675675675) internal successors, (580), 377 states have internal predecessors, (580), 76 states have call successors, (76), 23 states have call predecessors, (76), 26 states have return successors, (85), 74 states have call predecessors, (85), 75 states have call successors, (85) [2024-11-22 02:01:50,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 741 transitions. [2024-11-22 02:01:50,958 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 741 transitions. Word has length 113 [2024-11-22 02:01:50,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:50,958 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 741 transitions. [2024-11-22 02:01:50,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-22 02:01:50,958 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 741 transitions. [2024-11-22 02:01:50,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-22 02:01:50,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:50,960 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:01:50,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 02:01:50,961 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:50,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:50,961 INFO L85 PathProgramCache]: Analyzing trace with hash 514636155, now seen corresponding path program 1 times [2024-11-22 02:01:50,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:50,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170588033] [2024-11-22 02:01:50,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:50,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 02:01:51,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:51,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170588033] [2024-11-22 02:01:51,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170588033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:51,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:01:51,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:01:51,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239157627] [2024-11-22 02:01:51,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:51,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:01:51,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:51,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:01:51,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:01:51,104 INFO L87 Difference]: Start difference. First operand 473 states and 741 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-22 02:01:51,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:51,147 INFO L93 Difference]: Finished difference Result 925 states and 1453 transitions. [2024-11-22 02:01:51,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:01:51,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (15), 2 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 114 [2024-11-22 02:01:51,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:51,151 INFO L225 Difference]: With dead ends: 925 [2024-11-22 02:01:51,151 INFO L226 Difference]: Without dead ends: 475 [2024-11-22 02:01:51,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:01:51,155 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 1 mSDsluCounter, 1773 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2368 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:51,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2368 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:51,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-22 02:01:51,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 475. [2024-11-22 02:01:51,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 371 states have (on average 1.5660377358490567) internal successors, (581), 379 states have internal predecessors, (581), 76 states have call successors, (76), 23 states have call predecessors, (76), 27 states have return successors, (87), 74 states have call predecessors, (87), 75 states have call successors, (87) [2024-11-22 02:01:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 744 transitions. [2024-11-22 02:01:51,172 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 744 transitions. Word has length 114 [2024-11-22 02:01:51,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:51,172 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 744 transitions. [2024-11-22 02:01:51,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-22 02:01:51,173 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 744 transitions. [2024-11-22 02:01:51,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 02:01:51,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:51,174 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:01:51,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 02:01:51,175 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:51,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:51,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1768204843, now seen corresponding path program 1 times [2024-11-22 02:01:51,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:51,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566380477] [2024-11-22 02:01:51,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:51,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-22 02:01:51,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:51,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566380477] [2024-11-22 02:01:51,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566380477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:01:51,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43666087] [2024-11-22 02:01:51,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:51,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:01:51,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:01:51,300 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) [2024-11-22 02:01:51,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 02:01:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:51,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 02:01:51,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:01:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:01:51,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:01:51,621 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:01:51,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43666087] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:01:51,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:01:51,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2024-11-22 02:01:51,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465093804] [2024-11-22 02:01:51,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:01:51,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 02:01:51,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:51,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 02:01:51,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-22 02:01:51,623 INFO L87 Difference]: Start difference. First operand 475 states and 744 transitions. Second operand has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-22 02:01:52,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:52,266 INFO L93 Difference]: Finished difference Result 1390 states and 2263 transitions. [2024-11-22 02:01:52,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 02:01:52,266 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 115 [2024-11-22 02:01:52,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:52,274 INFO L225 Difference]: With dead ends: 1390 [2024-11-22 02:01:52,274 INFO L226 Difference]: Without dead ends: 944 [2024-11-22 02:01:52,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2024-11-22 02:01:52,279 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 1491 mSDsluCounter, 4118 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 4709 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:52,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 4709 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 02:01:52,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2024-11-22 02:01:52,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 920. [2024-11-22 02:01:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 737 states have (on average 1.6132971506105835) internal successors, (1189), 744 states have internal predecessors, (1189), 155 states have call successors, (155), 24 states have call predecessors, (155), 27 states have return successors, (176), 153 states have call predecessors, (176), 154 states have call successors, (176) [2024-11-22 02:01:52,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1520 transitions. [2024-11-22 02:01:52,359 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1520 transitions. Word has length 115 [2024-11-22 02:01:52,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:52,359 INFO L471 AbstractCegarLoop]: Abstraction has 920 states and 1520 transitions. [2024-11-22 02:01:52,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-22 02:01:52,360 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1520 transitions. [2024-11-22 02:01:52,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-22 02:01:52,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:52,363 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] [2024-11-22 02:01:52,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 02:01:52,568 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 [2024-11-22 02:01:52,568 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:52,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:52,569 INFO L85 PathProgramCache]: Analyzing trace with hash -294936037, now seen corresponding path program 1 times [2024-11-22 02:01:52,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:52,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102889420] [2024-11-22 02:01:52,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:52,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:52,677 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:01:52,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:52,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102889420] [2024-11-22 02:01:52,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102889420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:52,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:01:52,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:01:52,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695815981] [2024-11-22 02:01:52,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:52,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:01:52,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:52,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:01:52,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:52,683 INFO L87 Difference]: Start difference. First operand 920 states and 1520 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:52,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:52,776 INFO L93 Difference]: Finished difference Result 2183 states and 3661 transitions. [2024-11-22 02:01:52,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:01:52,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 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 [2024-11-22 02:01:52,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:52,795 INFO L225 Difference]: With dead ends: 2183 [2024-11-22 02:01:52,795 INFO L226 Difference]: Without dead ends: 1343 [2024-11-22 02:01:52,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:52,799 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 139 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:52,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 1204 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:52,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2024-11-22 02:01:52,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1335. [2024-11-22 02:01:52,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1073 states have (on average 1.630009319664492) internal successors, (1749), 1080 states have internal predecessors, (1749), 234 states have call successors, (234), 24 states have call predecessors, (234), 27 states have return successors, (265), 232 states have call predecessors, (265), 233 states have call successors, (265) [2024-11-22 02:01:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 2248 transitions. [2024-11-22 02:01:52,907 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 2248 transitions. Word has length 118 [2024-11-22 02:01:52,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:52,907 INFO L471 AbstractCegarLoop]: Abstraction has 1335 states and 2248 transitions. [2024-11-22 02:01:52,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:52,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 2248 transitions. [2024-11-22 02:01:52,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-22 02:01:52,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:52,923 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] [2024-11-22 02:01:52,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 02:01:52,923 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:52,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:52,923 INFO L85 PathProgramCache]: Analyzing trace with hash 7565295, now seen corresponding path program 1 times [2024-11-22 02:01:52,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:52,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376123079] [2024-11-22 02:01:52,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:52,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:01:53,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:53,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376123079] [2024-11-22 02:01:53,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376123079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:53,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:01:53,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:01:53,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335247032] [2024-11-22 02:01:53,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:53,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:01:53,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:53,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:01:53,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:53,040 INFO L87 Difference]: Start difference. First operand 1335 states and 2248 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:53,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:53,182 INFO L93 Difference]: Finished difference Result 3222 states and 5458 transitions. [2024-11-22 02:01:53,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:01:53,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 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 [2024-11-22 02:01:53,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:53,203 INFO L225 Difference]: With dead ends: 3222 [2024-11-22 02:01:53,207 INFO L226 Difference]: Without dead ends: 2020 [2024-11-22 02:01:53,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:53,215 INFO L432 NwaCegarLoop]: 603 mSDtfsCounter, 137 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:53,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 1196 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:53,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2020 states. [2024-11-22 02:01:53,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2020 to 2012. [2024-11-22 02:01:53,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2012 states, 1631 states have (on average 1.6376456161863888) internal successors, (2671), 1638 states have internal predecessors, (2671), 353 states have call successors, (353), 24 states have call predecessors, (353), 27 states have return successors, (384), 351 states have call predecessors, (384), 352 states have call successors, (384) [2024-11-22 02:01:53,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 2012 states and 3408 transitions. [2024-11-22 02:01:53,331 INFO L78 Accepts]: Start accepts. Automaton has 2012 states and 3408 transitions. Word has length 119 [2024-11-22 02:01:53,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:53,331 INFO L471 AbstractCegarLoop]: Abstraction has 2012 states and 3408 transitions. [2024-11-22 02:01:53,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 3408 transitions. [2024-11-22 02:01:53,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-22 02:01:53,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:53,339 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] [2024-11-22 02:01:53,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 02:01:53,339 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:53,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:53,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1246694157, now seen corresponding path program 1 times [2024-11-22 02:01:53,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:53,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007140572] [2024-11-22 02:01:53,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:53,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:53,384 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:01:53,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:53,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007140572] [2024-11-22 02:01:53,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007140572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:53,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:01:53,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:01:53,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993155432] [2024-11-22 02:01:53,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:53,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:01:53,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:53,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:01:53,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:53,386 INFO L87 Difference]: Start difference. First operand 2012 states and 3408 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:53,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:53,459 INFO L93 Difference]: Finished difference Result 4807 states and 8203 transitions. [2024-11-22 02:01:53,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:01:53,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 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 [2024-11-22 02:01:53,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:53,474 INFO L225 Difference]: With dead ends: 4807 [2024-11-22 02:01:53,474 INFO L226 Difference]: Without dead ends: 3063 [2024-11-22 02:01:53,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:53,481 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 135 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:53,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1189 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:53,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3063 states. [2024-11-22 02:01:53,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3063 to 3055. [2024-11-22 02:01:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3055 states, 2512 states have (on average 1.6437101910828025) internal successors, (4129), 2519 states have internal predecessors, (4129), 515 states have call successors, (515), 24 states have call predecessors, (515), 27 states have return successors, (562), 513 states have call predecessors, (562), 514 states have call successors, (562) [2024-11-22 02:01:53,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 3055 states and 5206 transitions. [2024-11-22 02:01:53,630 INFO L78 Accepts]: Start accepts. Automaton has 3055 states and 5206 transitions. Word has length 120 [2024-11-22 02:01:53,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:53,631 INFO L471 AbstractCegarLoop]: Abstraction has 3055 states and 5206 transitions. [2024-11-22 02:01:53,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:53,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 5206 transitions. [2024-11-22 02:01:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-22 02:01:53,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:53,639 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] [2024-11-22 02:01:53,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 02:01:53,639 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:53,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:53,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1773974226, now seen corresponding path program 1 times [2024-11-22 02:01:53,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:53,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614910853] [2024-11-22 02:01:53,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:53,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:01:53,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:53,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614910853] [2024-11-22 02:01:53,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614910853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:53,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:01:53,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:01:53,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48156743] [2024-11-22 02:01:53,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:53,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:01:53,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:53,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:01:53,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:53,685 INFO L87 Difference]: Start difference. First operand 3055 states and 5206 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:53,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:53,795 INFO L93 Difference]: Finished difference Result 7321 states and 12561 transitions. [2024-11-22 02:01:53,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:01:53,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 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 121 [2024-11-22 02:01:53,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:53,817 INFO L225 Difference]: With dead ends: 7321 [2024-11-22 02:01:53,818 INFO L226 Difference]: Without dead ends: 4753 [2024-11-22 02:01:53,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:53,828 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 133 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:53,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1189 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:53,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4753 states. [2024-11-22 02:01:54,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4753 to 4745. [2024-11-22 02:01:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4745 states, 3957 states have (on average 1.647965630528178) internal successors, (6521), 3964 states have internal predecessors, (6521), 760 states have call successors, (760), 24 states have call predecessors, (760), 27 states have return successors, (833), 758 states have call predecessors, (833), 759 states have call successors, (833) [2024-11-22 02:01:54,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4745 states to 4745 states and 8114 transitions. [2024-11-22 02:01:54,071 INFO L78 Accepts]: Start accepts. Automaton has 4745 states and 8114 transitions. Word has length 121 [2024-11-22 02:01:54,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:54,071 INFO L471 AbstractCegarLoop]: Abstraction has 4745 states and 8114 transitions. [2024-11-22 02:01:54,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:54,071 INFO L276 IsEmpty]: Start isEmpty. Operand 4745 states and 8114 transitions. [2024-11-22 02:01:54,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-22 02:01:54,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:54,083 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, 1] [2024-11-22 02:01:54,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 02:01:54,083 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:54,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:54,084 INFO L85 PathProgramCache]: Analyzing trace with hash -117131631, now seen corresponding path program 1 times [2024-11-22 02:01:54,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:54,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233153054] [2024-11-22 02:01:54,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:54,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:01:54,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:54,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233153054] [2024-11-22 02:01:54,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233153054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:54,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:01:54,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:01:54,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036552719] [2024-11-22 02:01:54,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:54,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:01:54,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:54,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:01:54,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:54,140 INFO L87 Difference]: Start difference. First operand 4745 states and 8114 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:54,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:54,288 INFO L93 Difference]: Finished difference Result 11522 states and 19838 transitions. [2024-11-22 02:01:54,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:01:54,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 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 122 [2024-11-22 02:01:54,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:54,323 INFO L225 Difference]: With dead ends: 11522 [2024-11-22 02:01:54,323 INFO L226 Difference]: Without dead ends: 7596 [2024-11-22 02:01:54,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:54,338 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 131 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:54,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 1197 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:54,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7596 states. [2024-11-22 02:01:54,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7596 to 7588. [2024-11-22 02:01:54,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7588 states, 6307 states have (on average 1.6457903916283494) internal successors, (10380), 6314 states have internal predecessors, (10380), 1253 states have call successors, (1253), 24 states have call predecessors, (1253), 27 states have return successors, (1370), 1251 states have call predecessors, (1370), 1252 states have call successors, (1370) [2024-11-22 02:01:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7588 states to 7588 states and 13003 transitions. [2024-11-22 02:01:54,666 INFO L78 Accepts]: Start accepts. Automaton has 7588 states and 13003 transitions. Word has length 122 [2024-11-22 02:01:54,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:54,667 INFO L471 AbstractCegarLoop]: Abstraction has 7588 states and 13003 transitions. [2024-11-22 02:01:54,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:54,667 INFO L276 IsEmpty]: Start isEmpty. Operand 7588 states and 13003 transitions. [2024-11-22 02:01:54,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-22 02:01:54,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:54,681 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, 1, 1] [2024-11-22 02:01:54,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 02:01:54,681 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:54,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:54,682 INFO L85 PathProgramCache]: Analyzing trace with hash 285644202, now seen corresponding path program 1 times [2024-11-22 02:01:54,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:54,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097174280] [2024-11-22 02:01:54,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:54,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:01:54,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:54,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097174280] [2024-11-22 02:01:54,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097174280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:54,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:01:54,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:01:54,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048441539] [2024-11-22 02:01:54,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:54,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:01:54,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:54,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:01:54,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:54,773 INFO L87 Difference]: Start difference. First operand 7588 states and 13003 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:55,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:55,028 INFO L93 Difference]: Finished difference Result 19137 states and 33003 transitions. [2024-11-22 02:01:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:01:55,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 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 123 [2024-11-22 02:01:55,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:55,154 INFO L225 Difference]: With dead ends: 19137 [2024-11-22 02:01:55,155 INFO L226 Difference]: Without dead ends: 12770 [2024-11-22 02:01:55,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:55,170 INFO L432 NwaCegarLoop]: 603 mSDtfsCounter, 129 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:55,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1196 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:55,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12770 states. [2024-11-22 02:01:55,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12770 to 12762. [2024-11-22 02:01:55,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12762 states, 10659 states have (on average 1.6458391969227884) internal successors, (17543), 10666 states have internal predecessors, (17543), 2075 states have call successors, (2075), 24 states have call predecessors, (2075), 27 states have return successors, (2270), 2073 states have call predecessors, (2270), 2074 states have call successors, (2270) [2024-11-22 02:01:55,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12762 states to 12762 states and 21888 transitions. [2024-11-22 02:01:55,657 INFO L78 Accepts]: Start accepts. Automaton has 12762 states and 21888 transitions. Word has length 123 [2024-11-22 02:01:55,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:55,657 INFO L471 AbstractCegarLoop]: Abstraction has 12762 states and 21888 transitions. [2024-11-22 02:01:55,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:55,658 INFO L276 IsEmpty]: Start isEmpty. Operand 12762 states and 21888 transitions. [2024-11-22 02:01:55,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-22 02:01:55,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:55,680 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, 1, 1, 1] [2024-11-22 02:01:55,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 02:01:55,680 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:55,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:55,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1444368675, now seen corresponding path program 1 times [2024-11-22 02:01:55,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:55,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102131421] [2024-11-22 02:01:55,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:55,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:01:55,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:55,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102131421] [2024-11-22 02:01:55,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102131421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:55,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:01:55,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:01:55,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620971466] [2024-11-22 02:01:55,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:55,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:01:55,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:55,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:01:55,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:55,834 INFO L87 Difference]: Start difference. First operand 12762 states and 21888 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:56,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:56,364 INFO L93 Difference]: Finished difference Result 30620 states and 52422 transitions. [2024-11-22 02:01:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:01:56,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 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 124 [2024-11-22 02:01:56,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:56,435 INFO L225 Difference]: With dead ends: 30620 [2024-11-22 02:01:56,436 INFO L226 Difference]: Without dead ends: 20083 [2024-11-22 02:01:56,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:56,463 INFO L432 NwaCegarLoop]: 601 mSDtfsCounter, 127 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:56,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1166 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:56,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20083 states. [2024-11-22 02:01:57,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20083 to 20075. [2024-11-22 02:01:57,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20075 states, 16769 states have (on average 1.621384697954559) internal successors, (27189), 16776 states have internal predecessors, (27189), 3278 states have call successors, (3278), 24 states have call predecessors, (3278), 27 states have return successors, (3617), 3276 states have call predecessors, (3617), 3277 states have call successors, (3617) [2024-11-22 02:01:57,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20075 states to 20075 states and 34084 transitions. [2024-11-22 02:01:57,466 INFO L78 Accepts]: Start accepts. Automaton has 20075 states and 34084 transitions. Word has length 124 [2024-11-22 02:01:57,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:01:57,466 INFO L471 AbstractCegarLoop]: Abstraction has 20075 states and 34084 transitions. [2024-11-22 02:01:57,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:57,466 INFO L276 IsEmpty]: Start isEmpty. Operand 20075 states and 34084 transitions. [2024-11-22 02:01:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-22 02:01:57,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:01:57,515 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, 1, 1, 1, 1] [2024-11-22 02:01:57,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 02:01:57,515 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:01:57,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:01:57,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1015474743, now seen corresponding path program 1 times [2024-11-22 02:01:57,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:01:57,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243750582] [2024-11-22 02:01:57,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:01:57,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:01:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:01:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:01:57,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:01:57,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243750582] [2024-11-22 02:01:57,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243750582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:01:57,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:01:57,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:01:57,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949065235] [2024-11-22 02:01:57,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:01:57,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:01:57,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:01:57,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:01:57,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:57,582 INFO L87 Difference]: Start difference. First operand 20075 states and 34084 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:01:58,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:01:58,601 INFO L93 Difference]: Finished difference Result 53062 states and 90416 transitions. [2024-11-22 02:01:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:01:58,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 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 125 [2024-11-22 02:01:58,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:01:58,725 INFO L225 Difference]: With dead ends: 53062 [2024-11-22 02:01:58,726 INFO L226 Difference]: Without dead ends: 35889 [2024-11-22 02:01:58,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:01:58,769 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 125 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:01:58,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1192 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:01:58,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35889 states. [2024-11-22 02:02:00,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35889 to 35881. [2024-11-22 02:02:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35881 states, 30125 states have (on average 1.6182904564315352) internal successors, (48751), 30132 states have internal predecessors, (48751), 5728 states have call successors, (5728), 24 states have call predecessors, (5728), 27 states have return successors, (6341), 5726 states have call predecessors, (6341), 5727 states have call successors, (6341) [2024-11-22 02:02:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35881 states to 35881 states and 60820 transitions. [2024-11-22 02:02:00,920 INFO L78 Accepts]: Start accepts. Automaton has 35881 states and 60820 transitions. Word has length 125 [2024-11-22 02:02:00,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:02:00,922 INFO L471 AbstractCegarLoop]: Abstraction has 35881 states and 60820 transitions. [2024-11-22 02:02:00,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:02:00,922 INFO L276 IsEmpty]: Start isEmpty. Operand 35881 states and 60820 transitions. [2024-11-22 02:02:00,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-22 02:02:00,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:02:00,946 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, 1, 1, 1, 1, 1] [2024-11-22 02:02:00,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 02:02:00,946 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:02:00,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:02:00,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1528862455, now seen corresponding path program 1 times [2024-11-22 02:02:00,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:02:00,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500958470] [2024-11-22 02:02:00,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:02:00,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:02:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:02:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:02:01,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:02:01,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500958470] [2024-11-22 02:02:01,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500958470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:02:01,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:02:01,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:02:01,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852076382] [2024-11-22 02:02:01,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:02:01,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:02:01,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:02:01,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:02:01,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:02:01,012 INFO L87 Difference]: Start difference. First operand 35881 states and 60820 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:02:02,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:02:02,762 INFO L93 Difference]: Finished difference Result 97909 states and 166443 transitions. [2024-11-22 02:02:02,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:02:02,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 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 126 [2024-11-22 02:02:02,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:02:03,096 INFO L225 Difference]: With dead ends: 97909 [2024-11-22 02:02:03,097 INFO L226 Difference]: Without dead ends: 65886 [2024-11-22 02:02:03,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:02:03,440 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 123 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1203 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:02:03,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1203 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:02:03,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65886 states. [2024-11-22 02:02:06,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65886 to 65878. [2024-11-22 02:02:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65878 states, 55609 states have (on average 1.6141991404269094) internal successors, (89764), 55616 states have internal predecessors, (89764), 10241 states have call successors, (10241), 24 states have call predecessors, (10241), 27 states have return successors, (11386), 10239 states have call predecessors, (11386), 10240 states have call successors, (11386) [2024-11-22 02:02:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65878 states to 65878 states and 111391 transitions. [2024-11-22 02:02:06,623 INFO L78 Accepts]: Start accepts. Automaton has 65878 states and 111391 transitions. Word has length 126 [2024-11-22 02:02:06,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:02:06,624 INFO L471 AbstractCegarLoop]: Abstraction has 65878 states and 111391 transitions. [2024-11-22 02:02:06,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:02:06,624 INFO L276 IsEmpty]: Start isEmpty. Operand 65878 states and 111391 transitions. [2024-11-22 02:02:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-22 02:02:06,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:02:06,643 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, 1, 1, 1, 1, 1, 1] [2024-11-22 02:02:06,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 02:02:06,644 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:02:06,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:02:06,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1961864041, now seen corresponding path program 1 times [2024-11-22 02:02:06,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:02:06,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716966228] [2024-11-22 02:02:06,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:02:06,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:02:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:02:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:02:06,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:02:06,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716966228] [2024-11-22 02:02:06,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716966228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:02:06,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:02:06,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:02:06,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226534871] [2024-11-22 02:02:06,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:02:06,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:02:06,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:02:06,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:02:06,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:02:06,694 INFO L87 Difference]: Start difference. First operand 65878 states and 111391 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:02:09,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:02:09,709 INFO L93 Difference]: Finished difference Result 123570 states and 209307 transitions. [2024-11-22 02:02:09,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:02:09,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 2 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 127 [2024-11-22 02:02:09,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:02:10,455 INFO L225 Difference]: With dead ends: 123570 [2024-11-22 02:02:10,455 INFO L226 Difference]: Without dead ends: 123374 [2024-11-22 02:02:10,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:02:10,522 INFO L432 NwaCegarLoop]: 601 mSDtfsCounter, 118 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:02:10,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1198 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:02:10,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123374 states. [2024-11-22 02:02:14,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123374 to 123366. [2024-11-22 02:02:14,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123366 states, 104729 states have (on average 1.609067211565087) internal successors, (168516), 104736 states have internal predecessors, (168516), 18609 states have call successors, (18609), 24 states have call predecessors, (18609), 27 states have return successors, (20800), 18607 states have call predecessors, (20800), 18608 states have call successors, (20800) [2024-11-22 02:02:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123366 states to 123366 states and 207925 transitions. [2024-11-22 02:02:15,219 INFO L78 Accepts]: Start accepts. Automaton has 123366 states and 207925 transitions. Word has length 127 [2024-11-22 02:02:15,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:02:15,220 INFO L471 AbstractCegarLoop]: Abstraction has 123366 states and 207925 transitions. [2024-11-22 02:02:15,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 02:02:15,220 INFO L276 IsEmpty]: Start isEmpty. Operand 123366 states and 207925 transitions. [2024-11-22 02:02:15,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-22 02:02:15,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:02:15,247 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:02:15,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 02:02:15,247 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:02:15,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:02:15,247 INFO L85 PathProgramCache]: Analyzing trace with hash -792503190, now seen corresponding path program 1 times [2024-11-22 02:02:15,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:02:15,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411137639] [2024-11-22 02:02:15,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:02:15,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:02:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:02:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:02:15,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:02:15,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411137639] [2024-11-22 02:02:15,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411137639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:02:15,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:02:15,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 02:02:15,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390981951] [2024-11-22 02:02:15,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:02:15,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 02:02:15,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:02:15,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 02:02:15,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:02:15,606 INFO L87 Difference]: Start difference. First operand 123366 states and 207925 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 10 states have internal predecessors, (88), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-22 02:02:22,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:02:22,673 INFO L93 Difference]: Finished difference Result 245786 states and 419748 transitions. [2024-11-22 02:02:22,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-22 02:02:22,673 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 10 states have internal predecessors, (88), 5 states have call successors, (15), 3 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 128 [2024-11-22 02:02:22,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:02:24,042 INFO L225 Difference]: With dead ends: 245786 [2024-11-22 02:02:24,042 INFO L226 Difference]: Without dead ends: 245596 [2024-11-22 02:02:24,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650 [2024-11-22 02:02:24,204 INFO L432 NwaCegarLoop]: 724 mSDtfsCounter, 1543 mSDsluCounter, 6054 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 6778 SdHoareTripleChecker+Invalid, 1667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 442 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:02:24,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 6778 Invalid, 1667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [442 Valid, 1225 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-22 02:02:24,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245596 states. [2024-11-22 02:02:33,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245596 to 245559. [2024-11-22 02:02:33,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245559 states, 208520 states have (on average 1.6096729330519854) internal successors, (335649), 208425 states have internal predecessors, (335649), 36972 states have call successors, (36972), 60 states have call predecessors, (36972), 66 states have return successors, (44636), 37079 states have call predecessors, (44636), 36969 states have call successors, (44636) [2024-11-22 02:02:35,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245559 states to 245559 states and 417257 transitions. [2024-11-22 02:02:35,116 INFO L78 Accepts]: Start accepts. Automaton has 245559 states and 417257 transitions. Word has length 128 [2024-11-22 02:02:35,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:02:35,116 INFO L471 AbstractCegarLoop]: Abstraction has 245559 states and 417257 transitions. [2024-11-22 02:02:35,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 10 states have internal predecessors, (88), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-22 02:02:35,117 INFO L276 IsEmpty]: Start isEmpty. Operand 245559 states and 417257 transitions. [2024-11-22 02:02:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-22 02:02:35,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:02:35,166 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:02:35,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 02:02:35,166 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:02:35,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:02:35,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1808812157, now seen corresponding path program 1 times [2024-11-22 02:02:35,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:02:35,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197850726] [2024-11-22 02:02:35,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:02:35,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:02:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:02:35,248 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 02:02:35,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:02:35,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197850726] [2024-11-22 02:02:35,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197850726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:02:35,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:02:35,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:02:35,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626596886] [2024-11-22 02:02:35,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:02:35,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:02:35,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:02:35,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:02:35,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:02:35,250 INFO L87 Difference]: Start difference. First operand 245559 states and 417257 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)