./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 7cf7ce6a809409f6f4ca5aec26ee44d6ee6c1bd8459af1b8b074817ec65bb1ea --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 02:50:57,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 02:50:57,285 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 02:50:57,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 02:50:57,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 02:50:57,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 02:50:57,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 02:50:57,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 02:50:57,325 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 02:50:57,326 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 02:50:57,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 02:50:57,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 02:50:57,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 02:50:57,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 02:50:57,328 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 02:50:57,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 02:50:57,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 02:50:57,329 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 02:50:57,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 02:50:57,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 02:50:57,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 02:50:57,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 02:50:57,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 02:50:57,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 02:50:57,333 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 02:50:57,333 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 02:50:57,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 02:50:57,333 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 02:50:57,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 02:50:57,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 02:50:57,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 02:50:57,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 02:50:57,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:50:57,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 02:50:57,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 02:50:57,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 02:50:57,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 02:50:57,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 02:50:57,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 02:50:57,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 02:50:57,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 02:50:57,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 02:50:57,339 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cf7ce6a809409f6f4ca5aec26ee44d6ee6c1bd8459af1b8b074817ec65bb1ea [2024-10-11 02:50:57,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 02:50:57,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 02:50:57,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 02:50:57,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 02:50:57,630 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 02:50:57,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2024-10-11 02:50:59,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 02:50:59,467 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 02:50:59,469 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2024-10-11 02:50:59,491 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/63e56d903/96c1518e784b4ed68da26a99a5e8a628/FLAG93041717f [2024-10-11 02:50:59,506 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/63e56d903/96c1518e784b4ed68da26a99a5e8a628 [2024-10-11 02:50:59,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 02:50:59,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 02:50:59,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 02:50:59,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 02:50:59,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 02:50:59,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:50:59" (1/1) ... [2024-10-11 02:50:59,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2150c00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:50:59, skipping insertion in model container [2024-10-11 02:50:59,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:50:59" (1/1) ... [2024-10-11 02:50:59,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 02:51:00,078 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[54302,54315] [2024-10-11 02:51:00,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:51:00,145 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 02:51:00,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-10-11 02:51:00,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [66] [2024-10-11 02:51:00,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [129] [2024-10-11 02:51:00,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [239] [2024-10-11 02:51:00,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [562] [2024-10-11 02:51:00,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1634] [2024-10-11 02:51:00,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1672] [2024-10-11 02:51:00,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1901] [2024-10-11 02:51:00,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2189] [2024-10-11 02:51:00,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2592] [2024-10-11 02:51:00,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2601] [2024-10-11 02:51:00,242 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[54302,54315] [2024-10-11 02:51:00,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:51:00,311 INFO L204 MainTranslator]: Completed translation [2024-10-11 02:51:00,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00 WrapperNode [2024-10-11 02:51:00,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 02:51:00,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 02:51:00,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 02:51:00,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 02:51:00,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00" (1/1) ... [2024-10-11 02:51:00,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00" (1/1) ... [2024-10-11 02:51:00,395 INFO L138 Inliner]: procedures = 129, calls = 202, calls flagged for inlining = 56, calls inlined = 53, statements flattened = 1051 [2024-10-11 02:51:00,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 02:51:00,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 02:51:00,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 02:51:00,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 02:51:00,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00" (1/1) ... [2024-10-11 02:51:00,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00" (1/1) ... [2024-10-11 02:51:00,412 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00" (1/1) ... [2024-10-11 02:51:00,435 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-11 02:51:00,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00" (1/1) ... [2024-10-11 02:51:00,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00" (1/1) ... [2024-10-11 02:51:00,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00" (1/1) ... [2024-10-11 02:51:00,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00" (1/1) ... [2024-10-11 02:51:00,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00" (1/1) ... [2024-10-11 02:51:00,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00" (1/1) ... [2024-10-11 02:51:00,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 02:51:00,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 02:51:00,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 02:51:00,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 02:51:00,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00" (1/1) ... [2024-10-11 02:51:00,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:51:00,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:51:00,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 02:51:00,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 02:51:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-11 02:51:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-11 02:51:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-11 02:51:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-11 02:51:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-11 02:51:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-11 02:51:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-11 02:51:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-11 02:51:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-11 02:51:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-11 02:51:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-11 02:51:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-11 02:51:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-11 02:51:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-11 02:51:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-11 02:51:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-11 02:51:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-11 02:51:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-11 02:51:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-11 02:51:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-11 02:51:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-11 02:51:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-11 02:51:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 02:51:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-11 02:51:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-11 02:51:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-11 02:51:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-11 02:51:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-11 02:51:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-11 02:51:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-11 02:51:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-11 02:51:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-11 02:51:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-11 02:51:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-10-11 02:51:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-10-11 02:51:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-11 02:51:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-11 02:51:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-11 02:51:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-11 02:51:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-11 02:51:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-11 02:51:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-11 02:51:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-11 02:51:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 02:51:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 02:51:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 02:51:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 02:51:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-11 02:51:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-11 02:51:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-11 02:51:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-11 02:51:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 02:51:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 02:51:00,839 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 02:51:00,841 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 02:51:01,810 INFO L? ?]: Removed 519 outVars from TransFormulas that were not future-live. [2024-10-11 02:51:01,813 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 02:51:01,889 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 02:51:01,892 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 02:51:01,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:51:01 BoogieIcfgContainer [2024-10-11 02:51:01,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 02:51:01,895 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 02:51:01,895 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 02:51:01,899 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 02:51:01,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:50:59" (1/3) ... [2024-10-11 02:51:01,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79184b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:51:01, skipping insertion in model container [2024-10-11 02:51:01,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:00" (2/3) ... [2024-10-11 02:51:01,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79184b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:51:01, skipping insertion in model container [2024-10-11 02:51:01,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:51:01" (3/3) ... [2024-10-11 02:51:01,902 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product21.cil.c [2024-10-11 02:51:01,919 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 02:51:01,919 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 02:51:02,010 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 02:51:02,019 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;@64d01b6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 02:51:02,020 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 02:51:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 360 states, 274 states have (on average 1.6167883211678833) internal successors, (443), 279 states have internal predecessors, (443), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-11 02:51:02,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 02:51:02,054 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:02,054 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:02,055 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:02,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:02,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1983972941, now seen corresponding path program 1 times [2024-10-11 02:51:02,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:02,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269563549] [2024-10-11 02:51:02,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:02,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:51:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:51:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:51:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 02:51:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 02:51:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:51:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:51:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:51:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:51:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:51:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:51:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:51:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:51:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 02:51:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 02:51:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 02:51:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:02,991 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:51:02,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:02,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269563549] [2024-10-11 02:51:02,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269563549] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:51:02,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293820912] [2024-10-11 02:51:02,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:02,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:51:02,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:51:02,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:51:02,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 02:51:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:03,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 02:51:03,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:51:03,409 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-11 02:51:03,409 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:51:03,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293820912] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:03,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:51:03,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-11 02:51:03,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803363607] [2024-10-11 02:51:03,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:03,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 02:51:03,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:03,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 02:51:03,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:51:03,446 INFO L87 Difference]: Start difference. First operand has 360 states, 274 states have (on average 1.6167883211678833) internal successors, (443), 279 states have internal predecessors, (443), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-11 02:51:03,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:03,542 INFO L93 Difference]: Finished difference Result 536 states and 829 transitions. [2024-10-11 02:51:03,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 02:51:03,545 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 134 [2024-10-11 02:51:03,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:03,562 INFO L225 Difference]: With dead ends: 536 [2024-10-11 02:51:03,562 INFO L226 Difference]: Without dead ends: 357 [2024-10-11 02:51:03,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:51:03,571 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:03,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 545 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:51:03,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-10-11 02:51:03,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2024-10-11 02:51:03,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 272 states have (on average 1.6029411764705883) internal successors, (436), 276 states have internal predecessors, (436), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-11 02:51:03,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 557 transitions. [2024-10-11 02:51:03,657 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 557 transitions. Word has length 134 [2024-10-11 02:51:03,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:03,660 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 557 transitions. [2024-10-11 02:51:03,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-11 02:51:03,660 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 557 transitions. [2024-10-11 02:51:03,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-11 02:51:03,669 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:03,670 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:03,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 02:51:03,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-11 02:51:03,875 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:03,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:03,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1590322149, now seen corresponding path program 1 times [2024-10-11 02:51:03,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:03,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016403207] [2024-10-11 02:51:03,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:03,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:51:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:51:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:51:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 02:51:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 02:51:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:51:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:51:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:51:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:51:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:51:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:51:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:51:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:51:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:51:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 02:51:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 02:51:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:51:04,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:04,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016403207] [2024-10-11 02:51:04,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016403207] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:51:04,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8441793] [2024-10-11 02:51:04,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:04,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:51:04,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:51:04,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:51:04,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 02:51:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:04,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 02:51:04,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:51:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-11 02:51:04,649 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:51:04,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8441793] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:04,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:51:04,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:51:04,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326470938] [2024-10-11 02:51:04,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:04,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:51:04,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:04,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:51:04,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:51:04,661 INFO L87 Difference]: Start difference. First operand 357 states and 557 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-11 02:51:04,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:04,746 INFO L93 Difference]: Finished difference Result 532 states and 813 transitions. [2024-10-11 02:51:04,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:51:04,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 135 [2024-10-11 02:51:04,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:04,754 INFO L225 Difference]: With dead ends: 532 [2024-10-11 02:51:04,754 INFO L226 Difference]: Without dead ends: 359 [2024-10-11 02:51:04,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:51:04,761 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 0 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:04,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1083 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:51:04,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-10-11 02:51:04,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2024-10-11 02:51:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 274 states have (on average 1.5985401459854014) internal successors, (438), 278 states have internal predecessors, (438), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-11 02:51:04,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 559 transitions. [2024-10-11 02:51:04,801 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 559 transitions. Word has length 135 [2024-10-11 02:51:04,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:04,802 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 559 transitions. [2024-10-11 02:51:04,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-11 02:51:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 559 transitions. [2024-10-11 02:51:04,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 02:51:04,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:04,807 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:04,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 02:51:05,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:51:05,008 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:05,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:05,009 INFO L85 PathProgramCache]: Analyzing trace with hash 670300720, now seen corresponding path program 1 times [2024-10-11 02:51:05,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:05,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795272338] [2024-10-11 02:51:05,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:05,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:51:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:51:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:51:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 02:51:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 02:51:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:51:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:51:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:51:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:51:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:51:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:51:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:51:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 02:51:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:51:05,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:05,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795272338] [2024-10-11 02:51:05,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795272338] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:51:05,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602898697] [2024-10-11 02:51:05,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:05,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:51:05,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:51:05,327 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:51:05,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 02:51:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:05,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:51:05,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:51:05,687 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 02:51:05,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:51:05,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602898697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:05,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:51:05,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:51:05,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928550940] [2024-10-11 02:51:05,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:05,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:51:05,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:05,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:51:05,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:51:05,690 INFO L87 Difference]: Start difference. First operand 359 states and 559 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:05,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:05,757 INFO L93 Difference]: Finished difference Result 766 states and 1210 transitions. [2024-10-11 02:51:05,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:51:05,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 122 [2024-10-11 02:51:05,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:05,761 INFO L225 Difference]: With dead ends: 766 [2024-10-11 02:51:05,762 INFO L226 Difference]: Without dead ends: 429 [2024-10-11 02:51:05,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:51:05,764 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 129 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:05,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1057 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:51:05,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-10-11 02:51:05,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 424. [2024-10-11 02:51:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 325 states have (on average 1.6153846153846154) internal successors, (525), 329 states have internal predecessors, (525), 75 states have call successors, (75), 23 states have call predecessors, (75), 23 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 02:51:05,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 674 transitions. [2024-10-11 02:51:05,789 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 674 transitions. Word has length 122 [2024-10-11 02:51:05,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:05,790 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 674 transitions. [2024-10-11 02:51:05,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:05,790 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 674 transitions. [2024-10-11 02:51:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-11 02:51:05,793 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:05,793 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:05,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 02:51:05,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:51:05,994 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:05,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:05,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1394003804, now seen corresponding path program 1 times [2024-10-11 02:51:05,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:05,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299779546] [2024-10-11 02:51:05,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:05,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:51:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:51:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:51:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 02:51:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 02:51:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:51:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:51:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:51:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:51:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:51:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:51:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:51:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 02:51:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 02:51:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 02:51:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 02:51:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,330 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 02:51:06,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:06,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299779546] [2024-10-11 02:51:06,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299779546] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:51:06,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554305197] [2024-10-11 02:51:06,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:06,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:51:06,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:51:06,333 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:51:06,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 02:51:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:06,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 02:51:06,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:51:06,743 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-11 02:51:06,743 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:51:06,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554305197] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:06,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:51:06,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-11 02:51:06,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165547638] [2024-10-11 02:51:06,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:06,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:51:06,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:06,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:51:06,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:51:06,746 INFO L87 Difference]: Start difference. First operand 424 states and 674 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-11 02:51:06,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:06,854 INFO L93 Difference]: Finished difference Result 843 states and 1342 transitions. [2024-10-11 02:51:06,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:51:06,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 141 [2024-10-11 02:51:06,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:06,858 INFO L225 Difference]: With dead ends: 843 [2024-10-11 02:51:06,859 INFO L226 Difference]: Without dead ends: 426 [2024-10-11 02:51:06,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:51:06,862 INFO L432 NwaCegarLoop]: 534 mSDtfsCounter, 2 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2125 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:06,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2125 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:51:06,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-10-11 02:51:06,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2024-10-11 02:51:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 326 states have (on average 1.6134969325153374) internal successors, (526), 331 states have internal predecessors, (526), 75 states have call successors, (75), 23 states have call predecessors, (75), 24 states have return successors, (76), 73 states have call predecessors, (76), 74 states have call successors, (76) [2024-10-11 02:51:06,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 677 transitions. [2024-10-11 02:51:06,891 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 677 transitions. Word has length 141 [2024-10-11 02:51:06,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:06,891 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 677 transitions. [2024-10-11 02:51:06,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-11 02:51:06,892 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 677 transitions. [2024-10-11 02:51:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 02:51:06,896 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:06,896 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:06,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 02:51:07,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:51:07,101 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:07,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:07,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1764523546, now seen corresponding path program 1 times [2024-10-11 02:51:07,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:07,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040432206] [2024-10-11 02:51:07,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:07,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 02:51:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 02:51:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 02:51:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:51:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:51:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:51:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:51:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:51:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:51:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:51:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 02:51:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 02:51:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,410 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 02:51:07,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:07,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040432206] [2024-10-11 02:51:07,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040432206] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:51:07,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275649165] [2024-10-11 02:51:07,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:07,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:51:07,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:51:07,415 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:51:07,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 02:51:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:07,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 02:51:07,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:51:07,825 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-11 02:51:07,825 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:51:07,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275649165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:07,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:51:07,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-11 02:51:07,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362876115] [2024-10-11 02:51:07,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:07,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:51:07,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:07,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:51:07,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:51:07,828 INFO L87 Difference]: Start difference. First operand 426 states and 677 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-11 02:51:07,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:07,947 INFO L93 Difference]: Finished difference Result 845 states and 1347 transitions. [2024-10-11 02:51:07,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:51:07,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 124 [2024-10-11 02:51:07,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:07,951 INFO L225 Difference]: With dead ends: 845 [2024-10-11 02:51:07,951 INFO L226 Difference]: Without dead ends: 428 [2024-10-11 02:51:07,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:51:07,954 INFO L432 NwaCegarLoop]: 532 mSDtfsCounter, 2 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2111 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:07,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2111 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:51:07,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-10-11 02:51:07,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2024-10-11 02:51:07,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 327 states have (on average 1.6116207951070336) internal successors, (527), 333 states have internal predecessors, (527), 75 states have call successors, (75), 23 states have call predecessors, (75), 25 states have return successors, (81), 73 states have call predecessors, (81), 74 states have call successors, (81) [2024-10-11 02:51:07,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 683 transitions. [2024-10-11 02:51:07,978 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 683 transitions. Word has length 124 [2024-10-11 02:51:07,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:07,978 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 683 transitions. [2024-10-11 02:51:07,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-11 02:51:07,979 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 683 transitions. [2024-10-11 02:51:07,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-11 02:51:07,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:07,981 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:08,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 02:51:08,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:51:08,186 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:08,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:08,186 INFO L85 PathProgramCache]: Analyzing trace with hash 219368893, now seen corresponding path program 1 times [2024-10-11 02:51:08,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:08,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737058862] [2024-10-11 02:51:08,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:08,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 02:51:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 02:51:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:51:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:51:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:51:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:51:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:51:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:51:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:51:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:51:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:51:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:51:08,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:08,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737058862] [2024-10-11 02:51:08,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737058862] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:08,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:08,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:51:08,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158648383] [2024-10-11 02:51:08,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:08,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:51:08,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:08,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:51:08,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:51:08,420 INFO L87 Difference]: Start difference. First operand 428 states and 683 transitions. Second operand has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-11 02:51:10,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:10,745 INFO L93 Difference]: Finished difference Result 972 states and 1580 transitions. [2024-10-11 02:51:10,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:51:10,746 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 125 [2024-10-11 02:51:10,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:10,750 INFO L225 Difference]: With dead ends: 972 [2024-10-11 02:51:10,750 INFO L226 Difference]: Without dead ends: 563 [2024-10-11 02:51:10,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:51:10,752 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1186 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2697 mSolverCounterSat, 431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 3128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 431 IncrementalHoareTripleChecker+Valid, 2697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:10,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 1197 Invalid, 3128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [431 Valid, 2697 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 02:51:10,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-10-11 02:51:10,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 428. [2024-10-11 02:51:10,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 327 states have (on average 1.6116207951070336) internal successors, (527), 333 states have internal predecessors, (527), 75 states have call successors, (75), 23 states have call predecessors, (75), 25 states have return successors, (80), 73 states have call predecessors, (80), 74 states have call successors, (80) [2024-10-11 02:51:10,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 682 transitions. [2024-10-11 02:51:10,803 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 682 transitions. Word has length 125 [2024-10-11 02:51:10,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:10,803 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 682 transitions. [2024-10-11 02:51:10,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-11 02:51:10,804 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 682 transitions. [2024-10-11 02:51:10,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-11 02:51:10,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:10,806 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:10,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 02:51:10,806 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:10,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:10,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1016352513, now seen corresponding path program 1 times [2024-10-11 02:51:10,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:10,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316918771] [2024-10-11 02:51:10,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:10,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:10,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:10,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:10,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:10,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:10,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 02:51:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 02:51:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 02:51:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:51:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:51:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:51:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:51:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:51:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:51:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:51:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:51:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 02:51:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 02:51:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 02:51:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:11,068 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 02:51:11,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:11,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316918771] [2024-10-11 02:51:11,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316918771] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:11,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:11,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:51:11,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313649548] [2024-10-11 02:51:11,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:11,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:51:11,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:11,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:51:11,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:51:11,071 INFO L87 Difference]: Start difference. First operand 428 states and 682 transitions. Second operand has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-11 02:51:13,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:13,322 INFO L93 Difference]: Finished difference Result 974 states and 1583 transitions. [2024-10-11 02:51:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:51:13,322 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 144 [2024-10-11 02:51:13,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:13,330 INFO L225 Difference]: With dead ends: 974 [2024-10-11 02:51:13,330 INFO L226 Difference]: Without dead ends: 565 [2024-10-11 02:51:13,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:51:13,336 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1179 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2754 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 3158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 2754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:13,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 1198 Invalid, 3158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 2754 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 02:51:13,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-10-11 02:51:13,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 430. [2024-10-11 02:51:13,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 328 states have (on average 1.6097560975609757) internal successors, (528), 335 states have internal predecessors, (528), 75 states have call successors, (75), 23 states have call predecessors, (75), 26 states have return successors, (82), 73 states have call predecessors, (82), 74 states have call successors, (82) [2024-10-11 02:51:13,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 685 transitions. [2024-10-11 02:51:13,418 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 685 transitions. Word has length 144 [2024-10-11 02:51:13,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:13,418 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 685 transitions. [2024-10-11 02:51:13,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-11 02:51:13,419 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 685 transitions. [2024-10-11 02:51:13,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-11 02:51:13,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:13,422 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:13,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 02:51:13,422 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:13,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:13,423 INFO L85 PathProgramCache]: Analyzing trace with hash -256284742, now seen corresponding path program 1 times [2024-10-11 02:51:13,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:13,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238510509] [2024-10-11 02:51:13,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:13,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 02:51:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 02:51:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:51:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:51:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:51:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:51:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 02:51:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:51:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 02:51:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:51:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 02:51:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 02:51:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 02:51:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 02:51:13,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:13,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238510509] [2024-10-11 02:51:13,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238510509] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:13,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:13,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:51:13,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074187043] [2024-10-11 02:51:13,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:13,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:51:13,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:13,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:51:13,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:51:13,712 INFO L87 Difference]: Start difference. First operand 430 states and 685 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-11 02:51:16,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:16,373 INFO L93 Difference]: Finished difference Result 972 states and 1578 transitions. [2024-10-11 02:51:16,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:51:16,374 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 145 [2024-10-11 02:51:16,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:16,381 INFO L225 Difference]: With dead ends: 972 [2024-10-11 02:51:16,382 INFO L226 Difference]: Without dead ends: 565 [2024-10-11 02:51:16,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:51:16,385 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1184 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4530 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 4954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 4530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:16,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 1663 Invalid, 4954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [424 Valid, 4530 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-11 02:51:16,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-10-11 02:51:16,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 430. [2024-10-11 02:51:16,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 328 states have (on average 1.6097560975609757) internal successors, (528), 335 states have internal predecessors, (528), 75 states have call successors, (75), 23 states have call predecessors, (75), 26 states have return successors, (81), 73 states have call predecessors, (81), 74 states have call successors, (81) [2024-10-11 02:51:16,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 684 transitions. [2024-10-11 02:51:16,428 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 684 transitions. Word has length 145 [2024-10-11 02:51:16,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:16,429 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 684 transitions. [2024-10-11 02:51:16,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-11 02:51:16,429 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 684 transitions. [2024-10-11 02:51:16,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-11 02:51:16,432 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:16,432 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:16,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 02:51:16,432 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:16,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:16,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1294793257, now seen corresponding path program 2 times [2024-10-11 02:51:16,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:16,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967776732] [2024-10-11 02:51:16,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:16,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 02:51:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 02:51:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:51:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:51:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:51:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:51:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 02:51:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:51:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 02:51:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 02:51:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 02:51:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 02:51:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 02:51:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:16,757 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 02:51:16,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:16,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967776732] [2024-10-11 02:51:16,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967776732] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:16,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:16,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:51:16,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431315767] [2024-10-11 02:51:16,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:16,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:51:16,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:16,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:51:16,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:51:16,760 INFO L87 Difference]: Start difference. First operand 430 states and 684 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-11 02:51:19,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:19,529 INFO L93 Difference]: Finished difference Result 974 states and 1584 transitions. [2024-10-11 02:51:19,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:51:19,530 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 146 [2024-10-11 02:51:19,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:19,536 INFO L225 Difference]: With dead ends: 974 [2024-10-11 02:51:19,537 INFO L226 Difference]: Without dead ends: 567 [2024-10-11 02:51:19,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:51:19,540 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1181 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4558 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 4982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 4558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:19,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 1663 Invalid, 4982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [424 Valid, 4558 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-11 02:51:19,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-10-11 02:51:19,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 432. [2024-10-11 02:51:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 329 states have (on average 1.6079027355623101) internal successors, (529), 337 states have internal predecessors, (529), 75 states have call successors, (75), 23 states have call predecessors, (75), 27 states have return successors, (86), 73 states have call predecessors, (86), 74 states have call successors, (86) [2024-10-11 02:51:19,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 690 transitions. [2024-10-11 02:51:19,583 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 690 transitions. Word has length 146 [2024-10-11 02:51:19,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:19,583 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 690 transitions. [2024-10-11 02:51:19,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-11 02:51:19,583 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 690 transitions. [2024-10-11 02:51:19,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-11 02:51:19,586 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:19,586 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:19,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 02:51:19,586 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:19,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:19,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1073596577, now seen corresponding path program 1 times [2024-10-11 02:51:19,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:19,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855945379] [2024-10-11 02:51:19,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:19,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:51:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 02:51:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:51:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:51:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:51:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:51:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:51:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:51:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 02:51:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 02:51:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 02:51:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 02:51:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 02:51:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:19,746 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-11 02:51:19,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:19,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855945379] [2024-10-11 02:51:19,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855945379] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:51:19,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453516405] [2024-10-11 02:51:19,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:19,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:51:19,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:51:19,749 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:51:19,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 02:51:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:20,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 1180 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:51:20,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:51:20,130 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-11 02:51:20,130 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 02:51:20,250 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-11 02:51:20,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453516405] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 02:51:20,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 02:51:20,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-10-11 02:51:20,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254419638] [2024-10-11 02:51:20,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 02:51:20,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 02:51:20,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:20,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 02:51:20,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-11 02:51:20,254 INFO L87 Difference]: Start difference. First operand 432 states and 690 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (45), 6 states have call predecessors, (45), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-11 02:51:22,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:22,285 INFO L93 Difference]: Finished difference Result 1160 states and 1961 transitions. [2024-10-11 02:51:22,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 02:51:22,286 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (45), 6 states have call predecessors, (45), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 147 [2024-10-11 02:51:22,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:22,293 INFO L225 Difference]: With dead ends: 1160 [2024-10-11 02:51:22,293 INFO L226 Difference]: Without dead ends: 987 [2024-10-11 02:51:22,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:51:22,295 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 1677 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 2915 mSolverCounterSat, 574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 3489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 574 IncrementalHoareTripleChecker+Valid, 2915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:22,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1731 Valid, 1561 Invalid, 3489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [574 Valid, 2915 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 02:51:22,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2024-10-11 02:51:22,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 837. [2024-10-11 02:51:22,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 655 states have (on average 1.6625954198473283) internal successors, (1089), 663 states have internal predecessors, (1089), 154 states have call successors, (154), 23 states have call predecessors, (154), 27 states have return successors, (175), 152 states have call predecessors, (175), 153 states have call successors, (175) [2024-10-11 02:51:22,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1418 transitions. [2024-10-11 02:51:22,346 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1418 transitions. Word has length 147 [2024-10-11 02:51:22,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:22,347 INFO L471 AbstractCegarLoop]: Abstraction has 837 states and 1418 transitions. [2024-10-11 02:51:22,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (45), 6 states have call predecessors, (45), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-11 02:51:22,348 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1418 transitions. [2024-10-11 02:51:22,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-11 02:51:22,352 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:22,352 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:22,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 02:51:22,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 02:51:22,553 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:22,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:22,554 INFO L85 PathProgramCache]: Analyzing trace with hash -62823900, now seen corresponding path program 1 times [2024-10-11 02:51:22,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:22,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466249863] [2024-10-11 02:51:22,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:22,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:51:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:51:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:51:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:51:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:51:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:51:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:51:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:51:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 02:51:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 02:51:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:22,685 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 02:51:22,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:22,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466249863] [2024-10-11 02:51:22,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466249863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:22,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:22,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:51:22,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492148638] [2024-10-11 02:51:22,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:22,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:51:22,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:22,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:51:22,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:51:22,688 INFO L87 Difference]: Start difference. First operand 837 states and 1418 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:24,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:24,184 INFO L93 Difference]: Finished difference Result 2156 states and 3740 transitions. [2024-10-11 02:51:24,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:51:24,184 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 135 [2024-10-11 02:51:24,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:24,193 INFO L225 Difference]: With dead ends: 2156 [2024-10-11 02:51:24,193 INFO L226 Difference]: Without dead ends: 1379 [2024-10-11 02:51:24,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:51:24,197 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1304 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 2064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:24,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1322 Valid, 907 Invalid, 2064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 1567 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 02:51:24,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-10-11 02:51:24,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1239. [2024-10-11 02:51:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 978 states have (on average 1.67280163599182) internal successors, (1636), 986 states have internal predecessors, (1636), 233 states have call successors, (233), 23 states have call predecessors, (233), 27 states have return successors, (264), 231 states have call predecessors, (264), 232 states have call successors, (264) [2024-10-11 02:51:24,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2133 transitions. [2024-10-11 02:51:24,265 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2133 transitions. Word has length 135 [2024-10-11 02:51:24,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:24,265 INFO L471 AbstractCegarLoop]: Abstraction has 1239 states and 2133 transitions. [2024-10-11 02:51:24,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:24,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2133 transitions. [2024-10-11 02:51:24,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-11 02:51:24,272 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:24,273 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:24,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 02:51:24,273 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:24,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:24,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1011580821, now seen corresponding path program 1 times [2024-10-11 02:51:24,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:24,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079216932] [2024-10-11 02:51:24,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:24,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:51:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:51:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:51:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:51:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:51:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:51:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:51:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 02:51:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 02:51:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 02:51:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 02:51:24,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:24,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079216932] [2024-10-11 02:51:24,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079216932] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:24,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:24,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:51:24,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510186577] [2024-10-11 02:51:24,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:24,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:51:24,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:24,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:51:24,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:51:24,404 INFO L87 Difference]: Start difference. First operand 1239 states and 2133 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:26,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:26,224 INFO L93 Difference]: Finished difference Result 3139 states and 5487 transitions. [2024-10-11 02:51:26,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:51:26,225 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 136 [2024-10-11 02:51:26,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:26,239 INFO L225 Difference]: With dead ends: 3139 [2024-10-11 02:51:26,239 INFO L226 Difference]: Without dead ends: 2010 [2024-10-11 02:51:26,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:51:26,245 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1301 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 2050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:26,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 887 Invalid, 2050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [481 Valid, 1569 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 02:51:26,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2010 states. [2024-10-11 02:51:26,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2010 to 1870. [2024-10-11 02:51:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1870 states, 1490 states have (on average 1.6791946308724832) internal successors, (2502), 1498 states have internal predecessors, (2502), 352 states have call successors, (352), 23 states have call predecessors, (352), 27 states have return successors, (383), 350 states have call predecessors, (383), 351 states have call successors, (383) [2024-10-11 02:51:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 3237 transitions. [2024-10-11 02:51:26,343 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 3237 transitions. Word has length 136 [2024-10-11 02:51:26,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:26,343 INFO L471 AbstractCegarLoop]: Abstraction has 1870 states and 3237 transitions. [2024-10-11 02:51:26,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:26,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 3237 transitions. [2024-10-11 02:51:26,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-11 02:51:26,359 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:26,359 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:26,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 02:51:26,359 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:26,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:26,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1160476710, now seen corresponding path program 1 times [2024-10-11 02:51:26,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:26,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677355939] [2024-10-11 02:51:26,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:26,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:51:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:51:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:51:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:51:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:51:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:51:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 02:51:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:51:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 02:51:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 02:51:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 02:51:26,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:26,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677355939] [2024-10-11 02:51:26,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677355939] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:26,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:26,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:51:26,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710501522] [2024-10-11 02:51:26,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:26,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:51:26,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:26,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:51:26,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:51:26,494 INFO L87 Difference]: Start difference. First operand 1870 states and 3237 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:27,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:27,996 INFO L93 Difference]: Finished difference Result 4619 states and 8139 transitions. [2024-10-11 02:51:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:51:27,997 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 137 [2024-10-11 02:51:27,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:28,020 INFO L225 Difference]: With dead ends: 4619 [2024-10-11 02:51:28,021 INFO L226 Difference]: Without dead ends: 2979 [2024-10-11 02:51:28,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:51:28,030 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1302 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 2016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:28,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 877 Invalid, 2016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 1539 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 02:51:28,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2024-10-11 02:51:28,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2839. [2024-10-11 02:51:28,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2297 states have (on average 1.6848062690465826) internal successors, (3870), 2305 states have internal predecessors, (3870), 514 states have call successors, (514), 23 states have call predecessors, (514), 27 states have return successors, (561), 512 states have call predecessors, (561), 513 states have call successors, (561) [2024-10-11 02:51:28,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 4945 transitions. [2024-10-11 02:51:28,173 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 4945 transitions. Word has length 137 [2024-10-11 02:51:28,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:28,174 INFO L471 AbstractCegarLoop]: Abstraction has 2839 states and 4945 transitions. [2024-10-11 02:51:28,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:28,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 4945 transitions. [2024-10-11 02:51:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-11 02:51:28,190 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:28,191 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:28,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 02:51:28,191 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:28,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:28,191 INFO L85 PathProgramCache]: Analyzing trace with hash -675554986, now seen corresponding path program 1 times [2024-10-11 02:51:28,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:28,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170675069] [2024-10-11 02:51:28,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:28,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:51:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:51:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:51:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:51:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:51:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:51:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:51:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:51:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 02:51:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 02:51:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 02:51:28,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:28,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170675069] [2024-10-11 02:51:28,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170675069] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:28,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:28,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:51:28,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309245562] [2024-10-11 02:51:28,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:28,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:51:28,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:28,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:51:28,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:51:28,360 INFO L87 Difference]: Start difference. First operand 2839 states and 4945 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:29,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:29,813 INFO L93 Difference]: Finished difference Result 6959 states and 12344 transitions. [2024-10-11 02:51:29,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:51:29,814 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 138 [2024-10-11 02:51:29,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:29,843 INFO L225 Difference]: With dead ends: 6959 [2024-10-11 02:51:29,843 INFO L226 Difference]: Without dead ends: 4547 [2024-10-11 02:51:29,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:51:29,856 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1300 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 484 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:29,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 879 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [484 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:51:29,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4547 states. [2024-10-11 02:51:30,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4547 to 4407. [2024-10-11 02:51:30,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4407 states, 3620 states have (on average 1.688950276243094) internal successors, (6114), 3628 states have internal predecessors, (6114), 759 states have call successors, (759), 23 states have call predecessors, (759), 27 states have return successors, (832), 757 states have call predecessors, (832), 758 states have call successors, (832) [2024-10-11 02:51:30,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4407 states to 4407 states and 7705 transitions. [2024-10-11 02:51:30,093 INFO L78 Accepts]: Start accepts. Automaton has 4407 states and 7705 transitions. Word has length 138 [2024-10-11 02:51:30,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:30,093 INFO L471 AbstractCegarLoop]: Abstraction has 4407 states and 7705 transitions. [2024-10-11 02:51:30,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 4407 states and 7705 transitions. [2024-10-11 02:51:30,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-10-11 02:51:30,112 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:30,112 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:30,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 02:51:30,113 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:30,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:30,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1054233978, now seen corresponding path program 1 times [2024-10-11 02:51:30,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:30,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806363822] [2024-10-11 02:51:30,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:30,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:51:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:51:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:51:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:51:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:51:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:51:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:51:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:51:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 02:51:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 02:51:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 02:51:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 02:51:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 02:51:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-11 02:51:30,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:30,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806363822] [2024-10-11 02:51:30,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806363822] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:30,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:30,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:51:30,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004354868] [2024-10-11 02:51:30,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:30,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:51:30,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:30,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:51:30,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:51:30,238 INFO L87 Difference]: Start difference. First operand 4407 states and 7705 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-11 02:51:32,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:32,126 INFO L93 Difference]: Finished difference Result 10912 states and 19411 transitions. [2024-10-11 02:51:32,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:51:32,127 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 157 [2024-10-11 02:51:32,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:32,174 INFO L225 Difference]: With dead ends: 10912 [2024-10-11 02:51:32,175 INFO L226 Difference]: Without dead ends: 7219 [2024-10-11 02:51:32,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:51:32,194 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1299 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 1594 mSolverCounterSat, 484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 2078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 484 IncrementalHoareTripleChecker+Valid, 1594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:32,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 919 Invalid, 2078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [484 Valid, 1594 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 02:51:32,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7219 states. [2024-10-11 02:51:32,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7219 to 7079. [2024-10-11 02:51:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7079 states, 5799 states have (on average 1.6827039144680118) internal successors, (9758), 5807 states have internal predecessors, (9758), 1252 states have call successors, (1252), 23 states have call predecessors, (1252), 27 states have return successors, (1369), 1250 states have call predecessors, (1369), 1251 states have call successors, (1369) [2024-10-11 02:51:32,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7079 states to 7079 states and 12379 transitions. [2024-10-11 02:51:32,615 INFO L78 Accepts]: Start accepts. Automaton has 7079 states and 12379 transitions. Word has length 157 [2024-10-11 02:51:32,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:32,616 INFO L471 AbstractCegarLoop]: Abstraction has 7079 states and 12379 transitions. [2024-10-11 02:51:32,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-11 02:51:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand 7079 states and 12379 transitions. [2024-10-11 02:51:32,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-11 02:51:32,649 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:32,649 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:32,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 02:51:32,649 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:32,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:32,650 INFO L85 PathProgramCache]: Analyzing trace with hash -483304334, now seen corresponding path program 1 times [2024-10-11 02:51:32,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:32,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095402285] [2024-10-11 02:51:32,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:32,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:51:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:51:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:51:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:51:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:51:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:51:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:51:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 02:51:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 02:51:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 02:51:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 02:51:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 02:51:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 02:51:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:32,796 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-11 02:51:32,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:32,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095402285] [2024-10-11 02:51:32,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095402285] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:32,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:32,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:51:32,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984948825] [2024-10-11 02:51:32,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:32,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:51:32,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:32,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:51:32,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:51:32,799 INFO L87 Difference]: Start difference. First operand 7079 states and 12379 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-11 02:51:34,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:34,411 INFO L93 Difference]: Finished difference Result 18047 states and 32095 transitions. [2024-10-11 02:51:34,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:51:34,411 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-10-11 02:51:34,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:34,466 INFO L225 Difference]: With dead ends: 18047 [2024-10-11 02:51:34,466 INFO L226 Difference]: Without dead ends: 12048 [2024-10-11 02:51:34,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:51:34,492 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1295 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 499 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1313 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 2082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 499 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:34,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1313 Valid, 892 Invalid, 2082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [499 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:51:34,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12048 states. [2024-10-11 02:51:35,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12048 to 11908. [2024-10-11 02:51:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11908 states, 9806 states have (on average 1.682439322863553) internal successors, (16498), 9814 states have internal predecessors, (16498), 2074 states have call successors, (2074), 23 states have call predecessors, (2074), 27 states have return successors, (2269), 2072 states have call predecessors, (2269), 2073 states have call successors, (2269) [2024-10-11 02:51:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11908 states to 11908 states and 20841 transitions. [2024-10-11 02:51:35,114 INFO L78 Accepts]: Start accepts. Automaton has 11908 states and 20841 transitions. Word has length 158 [2024-10-11 02:51:35,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:35,115 INFO L471 AbstractCegarLoop]: Abstraction has 11908 states and 20841 transitions. [2024-10-11 02:51:35,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-11 02:51:35,116 INFO L276 IsEmpty]: Start isEmpty. Operand 11908 states and 20841 transitions. [2024-10-11 02:51:35,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-11 02:51:35,159 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:35,159 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:35,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 02:51:35,160 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:35,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:35,160 INFO L85 PathProgramCache]: Analyzing trace with hash -97778360, now seen corresponding path program 1 times [2024-10-11 02:51:35,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:35,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60914214] [2024-10-11 02:51:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:35,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:51:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:51:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:51:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:51:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 02:51:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:51:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:51:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 02:51:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 02:51:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 02:51:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 02:51:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 02:51:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 02:51:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:35,286 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-11 02:51:35,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:35,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60914214] [2024-10-11 02:51:35,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60914214] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:35,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:35,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:51:35,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999084934] [2024-10-11 02:51:35,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:35,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:51:35,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:35,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:51:35,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:51:35,289 INFO L87 Difference]: Start difference. First operand 11908 states and 20841 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-11 02:51:37,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:37,112 INFO L93 Difference]: Finished difference Result 28593 states and 50648 transitions. [2024-10-11 02:51:37,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:51:37,112 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 159 [2024-10-11 02:51:37,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:37,209 INFO L225 Difference]: With dead ends: 28593 [2024-10-11 02:51:37,210 INFO L226 Difference]: Without dead ends: 18720 [2024-10-11 02:51:37,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:51:37,260 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1296 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 493 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 2019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 493 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:37,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 858 Invalid, 2019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [493 Valid, 1526 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:51:37,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18720 states. [2024-10-11 02:51:38,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18720 to 18580. [2024-10-11 02:51:38,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18580 states, 15275 states have (on average 1.660163666121113) internal successors, (25359), 15283 states have internal predecessors, (25359), 3277 states have call successors, (3277), 23 states have call predecessors, (3277), 27 states have return successors, (3616), 3275 states have call predecessors, (3616), 3276 states have call successors, (3616) [2024-10-11 02:51:38,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18580 states to 18580 states and 32252 transitions. [2024-10-11 02:51:38,281 INFO L78 Accepts]: Start accepts. Automaton has 18580 states and 32252 transitions. Word has length 159 [2024-10-11 02:51:38,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:38,282 INFO L471 AbstractCegarLoop]: Abstraction has 18580 states and 32252 transitions. [2024-10-11 02:51:38,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-11 02:51:38,282 INFO L276 IsEmpty]: Start isEmpty. Operand 18580 states and 32252 transitions. [2024-10-11 02:51:38,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-11 02:51:38,320 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:38,321 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:38,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 02:51:38,321 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:38,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:38,321 INFO L85 PathProgramCache]: Analyzing trace with hash -158988773, now seen corresponding path program 1 times [2024-10-11 02:51:38,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:38,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51297021] [2024-10-11 02:51:38,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:38,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:51:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:51:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:51:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:51:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:51:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:51:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:51:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 02:51:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 02:51:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 02:51:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 02:51:38,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:38,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51297021] [2024-10-11 02:51:38,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51297021] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:38,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:38,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:51:38,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62241987] [2024-10-11 02:51:38,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:38,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:51:38,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:38,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:51:38,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:51:38,437 INFO L87 Difference]: Start difference. First operand 18580 states and 32252 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:40,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:40,506 INFO L93 Difference]: Finished difference Result 49226 states and 86969 transitions. [2024-10-11 02:51:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:51:40,507 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 142 [2024-10-11 02:51:40,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:40,683 INFO L225 Difference]: With dead ends: 49226 [2024-10-11 02:51:40,683 INFO L226 Difference]: Without dead ends: 33301 [2024-10-11 02:51:40,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:51:40,741 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1292 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 496 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 496 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:40,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 878 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [496 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:51:40,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33301 states. [2024-10-11 02:51:42,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33301 to 33161. [2024-10-11 02:51:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33161 states, 27406 states have (on average 1.657374297599066) internal successors, (45422), 27414 states have internal predecessors, (45422), 5727 states have call successors, (5727), 23 states have call predecessors, (5727), 27 states have return successors, (6340), 5725 states have call predecessors, (6340), 5726 states have call successors, (6340) [2024-10-11 02:51:42,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33161 states to 33161 states and 57489 transitions. [2024-10-11 02:51:42,715 INFO L78 Accepts]: Start accepts. Automaton has 33161 states and 57489 transitions. Word has length 142 [2024-10-11 02:51:42,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:42,716 INFO L471 AbstractCegarLoop]: Abstraction has 33161 states and 57489 transitions. [2024-10-11 02:51:42,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:42,717 INFO L276 IsEmpty]: Start isEmpty. Operand 33161 states and 57489 transitions. [2024-10-11 02:51:42,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-11 02:51:42,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:42,945 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:42,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 02:51:42,946 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:42,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:42,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1096364298, now seen corresponding path program 1 times [2024-10-11 02:51:42,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:42,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368770230] [2024-10-11 02:51:42,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:42,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:51:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:51:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:51:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:51:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:51:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 02:51:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 02:51:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 02:51:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 02:51:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 02:51:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:43,077 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 02:51:43,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:43,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368770230] [2024-10-11 02:51:43,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368770230] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:43,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:43,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:51:43,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767555243] [2024-10-11 02:51:43,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:43,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:51:43,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:43,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:51:43,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:51:43,079 INFO L87 Difference]: Start difference. First operand 33161 states and 57489 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:45,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:45,845 INFO L93 Difference]: Finished difference Result 90528 states and 159193 transitions. [2024-10-11 02:51:45,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:51:45,845 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 143 [2024-10-11 02:51:45,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:46,122 INFO L225 Difference]: With dead ends: 90528 [2024-10-11 02:51:46,123 INFO L226 Difference]: Without dead ends: 60913 [2024-10-11 02:51:46,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:51:46,369 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1288 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1306 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:46,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1306 Valid, 886 Invalid, 2065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [500 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:51:46,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60913 states. [2024-10-11 02:51:48,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60913 to 60773. [2024-10-11 02:51:48,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60773 states, 50505 states have (on average 1.6536580536580536) internal successors, (83518), 50513 states have internal predecessors, (83518), 10240 states have call successors, (10240), 23 states have call predecessors, (10240), 27 states have return successors, (11385), 10238 states have call predecessors, (11385), 10239 states have call successors, (11385) [2024-10-11 02:51:49,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60773 states to 60773 states and 105143 transitions. [2024-10-11 02:51:49,560 INFO L78 Accepts]: Start accepts. Automaton has 60773 states and 105143 transitions. Word has length 143 [2024-10-11 02:51:49,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:49,562 INFO L471 AbstractCegarLoop]: Abstraction has 60773 states and 105143 transitions. [2024-10-11 02:51:49,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:49,562 INFO L276 IsEmpty]: Start isEmpty. Operand 60773 states and 105143 transitions. [2024-10-11 02:51:49,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-11 02:51:49,647 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:49,647 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:49,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 02:51:49,648 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:49,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:49,648 INFO L85 PathProgramCache]: Analyzing trace with hash 299229787, now seen corresponding path program 1 times [2024-10-11 02:51:49,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:49,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256944408] [2024-10-11 02:51:49,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:49,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:51:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:51:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:51:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:51:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:51:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:51:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:51:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 02:51:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 02:51:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 02:51:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 02:51:49,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:49,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256944408] [2024-10-11 02:51:49,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256944408] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:49,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:49,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:51:49,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545081388] [2024-10-11 02:51:49,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:49,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:51:49,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:49,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:51:49,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:51:49,795 INFO L87 Difference]: Start difference. First operand 60773 states and 105143 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:53,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:51:53,620 INFO L93 Difference]: Finished difference Result 113880 states and 200803 transitions. [2024-10-11 02:51:53,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:51:53,620 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 144 [2024-10-11 02:51:53,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:51:54,208 INFO L225 Difference]: With dead ends: 113880 [2024-10-11 02:51:54,209 INFO L226 Difference]: Without dead ends: 113707 [2024-10-11 02:51:54,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:51:54,264 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1285 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 1577 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 2052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 1577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:51:54,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 895 Invalid, 2052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 1577 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 02:51:54,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113707 states. [2024-10-11 02:51:58,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113707 to 113567. [2024-10-11 02:51:58,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113567 states, 94931 states have (on average 1.6488818194267416) internal successors, (156530), 94939 states have internal predecessors, (156530), 18608 states have call successors, (18608), 23 states have call predecessors, (18608), 27 states have return successors, (20799), 18606 states have call predecessors, (20799), 18607 states have call successors, (20799) [2024-10-11 02:51:58,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113567 states to 113567 states and 195937 transitions. [2024-10-11 02:51:58,605 INFO L78 Accepts]: Start accepts. Automaton has 113567 states and 195937 transitions. Word has length 144 [2024-10-11 02:51:58,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:51:58,605 INFO L471 AbstractCegarLoop]: Abstraction has 113567 states and 195937 transitions. [2024-10-11 02:51:58,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 02:51:58,606 INFO L276 IsEmpty]: Start isEmpty. Operand 113567 states and 195937 transitions. [2024-10-11 02:51:58,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 02:51:58,697 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:51:58,698 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:51:58,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 02:51:58,698 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:51:58,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:51:58,699 INFO L85 PathProgramCache]: Analyzing trace with hash 315390497, now seen corresponding path program 1 times [2024-10-11 02:51:58,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:51:58,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411698878] [2024-10-11 02:51:58,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:51:58,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:51:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:51:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:51:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:51:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:51:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:51:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:51:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:51:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:51:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:51:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:51:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:51:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:51:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:51:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:58,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 02:51:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:59,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 02:51:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:59,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 02:51:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:59,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 02:51:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:59,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 02:51:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:59,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 02:51:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:51:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-11 02:51:59,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:51:59,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411698878] [2024-10-11 02:51:59,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411698878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:51:59,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:51:59,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 02:51:59,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398960448] [2024-10-11 02:51:59,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:51:59,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 02:51:59,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:51:59,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 02:51:59,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:51:59,467 INFO L87 Difference]: Start difference. First operand 113567 states and 195937 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-11 02:52:06,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:52:06,295 INFO L93 Difference]: Finished difference Result 218739 states and 385200 transitions. [2024-10-11 02:52:06,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 02:52:06,296 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 163 [2024-10-11 02:52:06,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:52:07,690 INFO L225 Difference]: With dead ends: 218739 [2024-10-11 02:52:07,690 INFO L226 Difference]: Without dead ends: 218573 [2024-10-11 02:52:07,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2024-10-11 02:52:07,794 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 2661 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 3479 mSolverCounterSat, 891 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2678 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 4370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 891 IncrementalHoareTripleChecker+Valid, 3479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:52:07,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2678 Valid, 1566 Invalid, 4370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [891 Valid, 3479 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-11 02:52:07,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218573 states.