./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_spec27_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product34.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39fe77adb61a1e466f06fcf9920e7f42d562f22740249d3a797ea504e0f3c31a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 02:56:31,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 02:56:31,681 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 02:56:31,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 02:56:31,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 02:56:31,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 02:56:31,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 02:56:31,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 02:56:31,710 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 02:56:31,711 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 02:56:31,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 02:56:31,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 02:56:31,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 02:56:31,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 02:56:31,712 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 02:56:31,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 02:56:31,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 02:56:31,712 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 02:56:31,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 02:56:31,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 02:56:31,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 02:56:31,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 02:56:31,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 02:56:31,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 02:56:31,715 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 02:56:31,715 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 02:56:31,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 02:56:31,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 02:56:31,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 02:56:31,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 02:56:31,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 02:56:31,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 02:56:31,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 02:56:31,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 02:56:31,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 02:56:31,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 02:56:31,717 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 02:56:31,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 02:56:31,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 02:56:31,718 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 02:56:31,718 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 02:56:31,718 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 02:56:31,718 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39fe77adb61a1e466f06fcf9920e7f42d562f22740249d3a797ea504e0f3c31a [2024-10-14 02:56:31,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 02:56:31,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 02:56:31,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 02:56:31,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 02:56:31,923 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 02:56:31,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product34.cil.c [2024-10-14 02:56:33,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 02:56:33,363 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 02:56:33,364 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product34.cil.c [2024-10-14 02:56:33,377 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/019bef645/9d7aba4cdaea4330afdb72d548e94c1e/FLAG8c25c49fd [2024-10-14 02:56:33,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/019bef645/9d7aba4cdaea4330afdb72d548e94c1e [2024-10-14 02:56:33,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 02:56:33,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 02:56:33,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 02:56:33,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 02:56:33,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 02:56:33,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:56:33" (1/1) ... [2024-10-14 02:56:33,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc9d877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:33, skipping insertion in model container [2024-10-14 02:56:33,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:56:33" (1/1) ... [2024-10-14 02:56:33,781 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 02:56:34,166 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_spec27_product34.cil.c[51595,51608] [2024-10-14 02:56:34,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 02:56:34,223 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 02:56:34,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2024-10-14 02:56:34,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1128] [2024-10-14 02:56:34,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1288] [2024-10-14 02:56:34,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1517] [2024-10-14 02:56:34,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1534] [2024-10-14 02:56:34,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1936] [2024-10-14 02:56:34,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1974] [2024-10-14 02:56:34,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2380] [2024-10-14 02:56:34,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2412] [2024-10-14 02:56:34,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2421] [2024-10-14 02:56:34,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2787] [2024-10-14 02:56:34,293 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_spec27_product34.cil.c[51595,51608] [2024-10-14 02:56:34,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 02:56:34,350 INFO L204 MainTranslator]: Completed translation [2024-10-14 02:56:34,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34 WrapperNode [2024-10-14 02:56:34,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 02:56:34,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 02:56:34,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 02:56:34,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 02:56:34,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34" (1/1) ... [2024-10-14 02:56:34,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34" (1/1) ... [2024-10-14 02:56:34,422 INFO L138 Inliner]: procedures = 134, calls = 220, calls flagged for inlining = 61, calls inlined = 58, statements flattened = 1095 [2024-10-14 02:56:34,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 02:56:34,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 02:56:34,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 02:56:34,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 02:56:34,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34" (1/1) ... [2024-10-14 02:56:34,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34" (1/1) ... [2024-10-14 02:56:34,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34" (1/1) ... [2024-10-14 02:56:34,475 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-14 02:56:34,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34" (1/1) ... [2024-10-14 02:56:34,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34" (1/1) ... [2024-10-14 02:56:34,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34" (1/1) ... [2024-10-14 02:56:34,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34" (1/1) ... [2024-10-14 02:56:34,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34" (1/1) ... [2024-10-14 02:56:34,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34" (1/1) ... [2024-10-14 02:56:34,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 02:56:34,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 02:56:34,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 02:56:34,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 02:56:34,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34" (1/1) ... [2024-10-14 02:56:34,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 02:56:34,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:56:34,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 02:56:34,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 02:56:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-14 02:56:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-14 02:56:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-14 02:56:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-14 02:56:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-14 02:56:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-14 02:56:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-14 02:56:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-14 02:56:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-14 02:56:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-14 02:56:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-14 02:56:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-14 02:56:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-14 02:56:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-14 02:56:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-14 02:56:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-14 02:56:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-14 02:56:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-14 02:56:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-14 02:56:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-14 02:56:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-14 02:56:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-14 02:56:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-14 02:56:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-14 02:56:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-14 02:56:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-14 02:56:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-14 02:56:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-14 02:56:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 02:56:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-14 02:56:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-14 02:56:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-14 02:56:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-14 02:56:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-14 02:56:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-14 02:56:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-14 02:56:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-14 02:56:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-14 02:56:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-14 02:56:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-14 02:56:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-14 02:56:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-10-14 02:56:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-10-14 02:56:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-10-14 02:56:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-10-14 02:56:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-10-14 02:56:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-10-14 02:56:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-14 02:56:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-14 02:56:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-14 02:56:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-14 02:56:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-14 02:56:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-14 02:56:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-14 02:56:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-14 02:56:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 02:56:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 02:56:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 02:56:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 02:56:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-14 02:56:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-14 02:56:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-14 02:56:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-14 02:56:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 02:56:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 02:56:34,817 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 02:56:34,819 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 02:56:35,583 INFO L? ?]: Removed 582 outVars from TransFormulas that were not future-live. [2024-10-14 02:56:35,583 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 02:56:35,654 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 02:56:35,654 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 02:56:35,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:56:35 BoogieIcfgContainer [2024-10-14 02:56:35,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 02:56:35,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 02:56:35,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 02:56:35,659 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 02:56:35,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:56:33" (1/3) ... [2024-10-14 02:56:35,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@503fe10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:56:35, skipping insertion in model container [2024-10-14 02:56:35,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:56:34" (2/3) ... [2024-10-14 02:56:35,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@503fe10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:56:35, skipping insertion in model container [2024-10-14 02:56:35,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:56:35" (3/3) ... [2024-10-14 02:56:35,660 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product34.cil.c [2024-10-14 02:56:35,678 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 02:56:35,678 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 02:56:35,740 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 02:56:35,749 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;@32cff594, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 02:56:35,749 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 02:56:35,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 421 states, 317 states have (on average 1.586750788643533) internal successors, (503), 322 states have internal predecessors, (503), 73 states have call successors, (73), 29 states have call predecessors, (73), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-14 02:56:35,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-14 02:56:35,777 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:35,778 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-10-14 02:56:35,778 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:35,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:35,783 INFO L85 PathProgramCache]: Analyzing trace with hash -704560494, now seen corresponding path program 1 times [2024-10-14 02:56:35,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:35,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093845075] [2024-10-14 02:56:35,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:35,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 02:56:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:56:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 02:56:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 02:56:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 02:56:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 02:56:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 02:56:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 02:56:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 02:56:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 02:56:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 02:56:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 02:56:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 02:56:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 02:56:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 02:56:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 02:56:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 02:56:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 02:56:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-14 02:56:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,522 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-10-14 02:56:36,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:36,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093845075] [2024-10-14 02:56:36,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093845075] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:56:36,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327395319] [2024-10-14 02:56:36,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:36,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:56:36,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:56:36,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:56:36,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 02:56:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:36,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 02:56:36,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:56:36,870 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-10-14 02:56:36,871 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:56:36,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327395319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:36,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:56:36,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-14 02:56:36,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005687155] [2024-10-14 02:56:36,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:36,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 02:56:36,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:36,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 02:56:36,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 02:56:36,901 INFO L87 Difference]: Start difference. First operand has 421 states, 317 states have (on average 1.586750788643533) internal successors, (503), 322 states have internal predecessors, (503), 73 states have call successors, (73), 29 states have call predecessors, (73), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) Second operand has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:56:36,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:36,976 INFO L93 Difference]: Finished difference Result 658 states and 997 transitions. [2024-10-14 02:56:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 02:56:36,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 163 [2024-10-14 02:56:36,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:36,995 INFO L225 Difference]: With dead ends: 658 [2024-10-14 02:56:36,995 INFO L226 Difference]: Without dead ends: 418 [2024-10-14 02:56:37,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 02:56:37,003 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:37,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 627 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:56:37,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-10-14 02:56:37,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2024-10-14 02:56:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 315 states have (on average 1.5746031746031746) internal successors, (496), 319 states have internal predecessors, (496), 73 states have call successors, (73), 29 states have call predecessors, (73), 29 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2024-10-14 02:56:37,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 641 transitions. [2024-10-14 02:56:37,061 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 641 transitions. Word has length 163 [2024-10-14 02:56:37,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:37,064 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 641 transitions. [2024-10-14 02:56:37,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:56:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 641 transitions. [2024-10-14 02:56:37,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-14 02:56:37,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:37,069 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2024-10-14 02:56:37,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 02:56:37,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-14 02:56:37,271 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:37,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:37,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1579342494, now seen corresponding path program 1 times [2024-10-14 02:56:37,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:37,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374194603] [2024-10-14 02:56:37,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:37,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 02:56:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:56:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 02:56:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 02:56:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 02:56:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 02:56:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 02:56:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 02:56:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 02:56:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 02:56:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 02:56:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:56:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 02:56:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 02:56:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 02:56:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 02:56:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 02:56:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 02:56:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 02:56:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-10-14 02:56:37,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:37,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374194603] [2024-10-14 02:56:37,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374194603] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:56:37,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918088882] [2024-10-14 02:56:37,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:37,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:56:37,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:56:37,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:56:37,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 02:56:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:37,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 02:56:37,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:56:37,839 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-10-14 02:56:37,841 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:56:37,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918088882] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:37,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:56:37,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 02:56:37,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693821349] [2024-10-14 02:56:37,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:37,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 02:56:37,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:37,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 02:56:37,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:56:37,846 INFO L87 Difference]: Start difference. First operand 418 states and 641 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:56:37,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:37,906 INFO L93 Difference]: Finished difference Result 654 states and 981 transitions. [2024-10-14 02:56:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 02:56:37,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 164 [2024-10-14 02:56:37,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:37,913 INFO L225 Difference]: With dead ends: 654 [2024-10-14 02:56:37,914 INFO L226 Difference]: Without dead ends: 420 [2024-10-14 02:56:37,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:56:37,916 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 0 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:37,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1247 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:56:37,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-10-14 02:56:37,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-10-14 02:56:37,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 317 states have (on average 1.5709779179810726) internal successors, (498), 321 states have internal predecessors, (498), 73 states have call successors, (73), 29 states have call predecessors, (73), 29 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2024-10-14 02:56:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 643 transitions. [2024-10-14 02:56:37,937 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 643 transitions. Word has length 164 [2024-10-14 02:56:37,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:37,939 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 643 transitions. [2024-10-14 02:56:37,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:56:37,939 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 643 transitions. [2024-10-14 02:56:37,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-14 02:56:37,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:37,944 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:56:37,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 02:56:38,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-14 02:56:38,146 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:38,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:38,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1243169846, now seen corresponding path program 1 times [2024-10-14 02:56:38,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:38,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502142330] [2024-10-14 02:56:38,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:38,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 02:56:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:56:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 02:56:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 02:56:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 02:56:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 02:56:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:56:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 02:56:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 02:56:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 02:56:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 02:56:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 02:56:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 02:56:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 02:56:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 02:56:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 02:56:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 02:56:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-14 02:56:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 02:56:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-14 02:56:38,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:38,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502142330] [2024-10-14 02:56:38,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502142330] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:56:38,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027096022] [2024-10-14 02:56:38,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:38,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:56:38,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:56:38,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:56:38,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 02:56:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:38,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 02:56:38,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:56:38,717 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-10-14 02:56:38,717 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:56:38,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027096022] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:38,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:56:38,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 02:56:38,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050298377] [2024-10-14 02:56:38,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:38,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 02:56:38,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:38,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 02:56:38,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:56:38,722 INFO L87 Difference]: Start difference. First operand 420 states and 643 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:56:38,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:38,780 INFO L93 Difference]: Finished difference Result 888 states and 1378 transitions. [2024-10-14 02:56:38,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 02:56:38,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 169 [2024-10-14 02:56:38,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:38,783 INFO L225 Difference]: With dead ends: 888 [2024-10-14 02:56:38,784 INFO L226 Difference]: Without dead ends: 490 [2024-10-14 02:56:38,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:56:38,786 INFO L432 NwaCegarLoop]: 629 mSDtfsCounter, 129 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:38,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1209 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:56:38,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-10-14 02:56:38,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 485. [2024-10-14 02:56:38,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 368 states have (on average 1.5896739130434783) internal successors, (585), 372 states have internal predecessors, (585), 87 states have call successors, (87), 29 states have call predecessors, (87), 29 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-14 02:56:38,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 758 transitions. [2024-10-14 02:56:38,813 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 758 transitions. Word has length 169 [2024-10-14 02:56:38,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:38,813 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 758 transitions. [2024-10-14 02:56:38,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:56:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 758 transitions. [2024-10-14 02:56:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 02:56:38,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:38,817 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:56:38,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 02:56:39,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:56:39,018 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:39,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:39,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1035205204, now seen corresponding path program 1 times [2024-10-14 02:56:39,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:39,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418563135] [2024-10-14 02:56:39,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:39,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 02:56:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:56:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 02:56:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-14 02:56:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 02:56:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 02:56:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 02:56:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 02:56:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 02:56:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 02:56:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:56:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 02:56:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 02:56:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 02:56:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 02:56:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 02:56:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 02:56:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 02:56:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 02:56:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-14 02:56:39,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:39,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418563135] [2024-10-14 02:56:39,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418563135] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:56:39,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475401709] [2024-10-14 02:56:39,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:39,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:56:39,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:56:39,244 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:56:39,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 02:56:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 02:56:39,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:56:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:56:39,561 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:56:39,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475401709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:39,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:56:39,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-14 02:56:39,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004534760] [2024-10-14 02:56:39,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:39,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 02:56:39,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:39,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 02:56:39,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:56:39,563 INFO L87 Difference]: Start difference. First operand 485 states and 758 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-14 02:56:39,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:39,653 INFO L93 Difference]: Finished difference Result 965 states and 1510 transitions. [2024-10-14 02:56:39,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 02:56:39,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 170 [2024-10-14 02:56:39,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:39,656 INFO L225 Difference]: With dead ends: 965 [2024-10-14 02:56:39,656 INFO L226 Difference]: Without dead ends: 487 [2024-10-14 02:56:39,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:56:39,658 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 2 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2453 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:39,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2453 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 02:56:39,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-10-14 02:56:39,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2024-10-14 02:56:39,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 369 states have (on average 1.5880758807588076) internal successors, (586), 374 states have internal predecessors, (586), 87 states have call successors, (87), 29 states have call predecessors, (87), 30 states have return successors, (88), 85 states have call predecessors, (88), 86 states have call successors, (88) [2024-10-14 02:56:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 761 transitions. [2024-10-14 02:56:39,673 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 761 transitions. Word has length 170 [2024-10-14 02:56:39,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:39,673 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 761 transitions. [2024-10-14 02:56:39,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-14 02:56:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 761 transitions. [2024-10-14 02:56:39,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 02:56:39,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:39,676 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:56:39,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 02:56:39,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:56:39,877 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:39,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:39,877 INFO L85 PathProgramCache]: Analyzing trace with hash 307065574, now seen corresponding path program 1 times [2024-10-14 02:56:39,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:39,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847560288] [2024-10-14 02:56:39,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:39,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:39,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:56:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 02:56:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 02:56:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 02:56:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 02:56:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 02:56:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 02:56:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 02:56:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 02:56:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 02:56:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 02:56:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 02:56:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 02:56:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 02:56:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 02:56:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 02:56:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 02:56:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 02:56:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 02:56:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-14 02:56:40,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:40,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847560288] [2024-10-14 02:56:40,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847560288] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:56:40,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070539743] [2024-10-14 02:56:40,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:40,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:56:40,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:56:40,112 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:56:40,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 02:56:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 1337 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 02:56:40,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:56:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:56:40,418 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:56:40,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070539743] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:40,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:56:40,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-14 02:56:40,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890349198] [2024-10-14 02:56:40,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:40,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 02:56:40,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:40,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 02:56:40,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 02:56:40,420 INFO L87 Difference]: Start difference. First operand 487 states and 761 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-14 02:56:40,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:40,499 INFO L93 Difference]: Finished difference Result 967 states and 1515 transitions. [2024-10-14 02:56:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 02:56:40,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 171 [2024-10-14 02:56:40,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:40,502 INFO L225 Difference]: With dead ends: 967 [2024-10-14 02:56:40,502 INFO L226 Difference]: Without dead ends: 489 [2024-10-14 02:56:40,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 02:56:40,504 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 2 mSDsluCounter, 1825 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2439 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:40,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2439 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 02:56:40,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-10-14 02:56:40,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2024-10-14 02:56:40,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 370 states have (on average 1.5864864864864865) internal successors, (587), 376 states have internal predecessors, (587), 87 states have call successors, (87), 29 states have call predecessors, (87), 31 states have return successors, (93), 85 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-14 02:56:40,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 767 transitions. [2024-10-14 02:56:40,518 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 767 transitions. Word has length 171 [2024-10-14 02:56:40,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:40,518 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 767 transitions. [2024-10-14 02:56:40,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-14 02:56:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 767 transitions. [2024-10-14 02:56:40,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-14 02:56:40,520 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:40,520 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-10-14 02:56:40,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 02:56:40,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:56:40,721 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:40,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:40,722 INFO L85 PathProgramCache]: Analyzing trace with hash 778561140, now seen corresponding path program 1 times [2024-10-14 02:56:40,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:40,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710975850] [2024-10-14 02:56:40,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:40,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:56:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:56:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 02:56:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 02:56:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 02:56:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 02:56:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 02:56:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 02:56:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 02:56:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 02:56:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 02:56:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 02:56:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 02:56:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-14 02:56:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 02:56:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 02:56:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:40,890 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-14 02:56:40,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:40,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710975850] [2024-10-14 02:56:40,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710975850] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:40,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:56:40,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 02:56:40,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195928324] [2024-10-14 02:56:40,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:40,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 02:56:40,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:40,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 02:56:40,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 02:56:40,891 INFO L87 Difference]: Start difference. First operand 489 states and 767 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-14 02:56:42,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:42,999 INFO L93 Difference]: Finished difference Result 1121 states and 1789 transitions. [2024-10-14 02:56:42,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 02:56:43,000 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 154 [2024-10-14 02:56:43,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:43,004 INFO L225 Difference]: With dead ends: 1121 [2024-10-14 02:56:43,004 INFO L226 Difference]: Without dead ends: 651 [2024-10-14 02:56:43,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 02:56:43,009 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1547 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2872 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1548 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 3467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 2872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:43,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1548 Valid, 1197 Invalid, 3467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 2872 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-14 02:56:43,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2024-10-14 02:56:43,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 489. [2024-10-14 02:56:43,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 370 states have (on average 1.5864864864864865) internal successors, (587), 376 states have internal predecessors, (587), 87 states have call successors, (87), 29 states have call predecessors, (87), 31 states have return successors, (92), 85 states have call predecessors, (92), 86 states have call successors, (92) [2024-10-14 02:56:43,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 766 transitions. [2024-10-14 02:56:43,054 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 766 transitions. Word has length 154 [2024-10-14 02:56:43,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:43,054 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 766 transitions. [2024-10-14 02:56:43,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-14 02:56:43,055 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 766 transitions. [2024-10-14 02:56:43,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-14 02:56:43,057 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:43,057 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:56:43,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 02:56:43,057 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:43,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:43,058 INFO L85 PathProgramCache]: Analyzing trace with hash 2072233643, now seen corresponding path program 1 times [2024-10-14 02:56:43,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:43,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321219837] [2024-10-14 02:56:43,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:43,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:56:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:56:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 02:56:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 02:56:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 02:56:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 02:56:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 02:56:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 02:56:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 02:56:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 02:56:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 02:56:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 02:56:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 02:56:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 02:56:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 02:56:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 02:56:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 02:56:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 02:56:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 02:56:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:43,251 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-14 02:56:43,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:43,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321219837] [2024-10-14 02:56:43,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321219837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:43,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:56:43,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 02:56:43,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935513305] [2024-10-14 02:56:43,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:43,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 02:56:43,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:43,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 02:56:43,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 02:56:43,257 INFO L87 Difference]: Start difference. First operand 489 states and 766 transitions. Second operand has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-14 02:56:45,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:45,183 INFO L93 Difference]: Finished difference Result 1123 states and 1792 transitions. [2024-10-14 02:56:45,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 02:56:45,183 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 173 [2024-10-14 02:56:45,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:45,186 INFO L225 Difference]: With dead ends: 1123 [2024-10-14 02:56:45,186 INFO L226 Difference]: Without dead ends: 653 [2024-10-14 02:56:45,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 02:56:45,188 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1561 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2837 mSolverCounterSat, 617 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1562 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 3454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 617 IncrementalHoareTripleChecker+Valid, 2837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:45,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1562 Valid, 1198 Invalid, 3454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [617 Valid, 2837 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 02:56:45,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-10-14 02:56:45,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 491. [2024-10-14 02:56:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 371 states have (on average 1.5849056603773586) internal successors, (588), 378 states have internal predecessors, (588), 87 states have call successors, (87), 29 states have call predecessors, (87), 32 states have return successors, (94), 85 states have call predecessors, (94), 86 states have call successors, (94) [2024-10-14 02:56:45,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 769 transitions. [2024-10-14 02:56:45,220 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 769 transitions. Word has length 173 [2024-10-14 02:56:45,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:45,221 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 769 transitions. [2024-10-14 02:56:45,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-14 02:56:45,221 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 769 transitions. [2024-10-14 02:56:45,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-14 02:56:45,223 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:45,223 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:56:45,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 02:56:45,223 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:45,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:45,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1421270321, now seen corresponding path program 1 times [2024-10-14 02:56:45,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:45,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565332345] [2024-10-14 02:56:45,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:45,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:56:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:56:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:56:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 02:56:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 02:56:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 02:56:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:56:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 02:56:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 02:56:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 02:56:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 02:56:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 02:56:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 02:56:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 02:56:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 02:56:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 02:56:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:45,415 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-14 02:56:45,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:45,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565332345] [2024-10-14 02:56:45,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565332345] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:45,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:56:45,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 02:56:45,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397101307] [2024-10-14 02:56:45,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:45,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 02:56:45,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:45,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 02:56:45,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:56:45,417 INFO L87 Difference]: Start difference. First operand 491 states and 769 transitions. Second operand has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-10-14 02:56:48,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:48,009 INFO L93 Difference]: Finished difference Result 1121 states and 1787 transitions. [2024-10-14 02:56:48,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 02:56:48,009 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 156 [2024-10-14 02:56:48,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:48,012 INFO L225 Difference]: With dead ends: 1121 [2024-10-14 02:56:48,013 INFO L226 Difference]: Without dead ends: 653 [2024-10-14 02:56:48,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 02:56:48,014 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1508 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 5010 mSolverCounterSat, 588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 5598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 588 IncrementalHoareTripleChecker+Valid, 5010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:48,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 1663 Invalid, 5598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [588 Valid, 5010 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-14 02:56:48,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-10-14 02:56:48,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 491. [2024-10-14 02:56:48,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 371 states have (on average 1.5849056603773586) internal successors, (588), 378 states have internal predecessors, (588), 87 states have call successors, (87), 29 states have call predecessors, (87), 32 states have return successors, (93), 85 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-14 02:56:48,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 768 transitions. [2024-10-14 02:56:48,043 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 768 transitions. Word has length 156 [2024-10-14 02:56:48,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:48,043 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 768 transitions. [2024-10-14 02:56:48,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-10-14 02:56:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 768 transitions. [2024-10-14 02:56:48,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-10-14 02:56:48,046 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:48,046 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2024-10-14 02:56:48,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 02:56:48,047 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:48,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:48,047 INFO L85 PathProgramCache]: Analyzing trace with hash 41226556, now seen corresponding path program 2 times [2024-10-14 02:56:48,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:48,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647261453] [2024-10-14 02:56:48,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:48,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:56:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:56:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:56:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 02:56:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 02:56:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 02:56:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 02:56:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 02:56:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 02:56:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 02:56:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 02:56:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 02:56:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 02:56:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 02:56:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 02:56:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 02:56:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-14 02:56:48,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:48,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647261453] [2024-10-14 02:56:48,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647261453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:48,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:56:48,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 02:56:48,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729159389] [2024-10-14 02:56:48,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:48,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 02:56:48,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:48,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 02:56:48,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:56:48,255 INFO L87 Difference]: Start difference. First operand 491 states and 768 transitions. Second operand has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-10-14 02:56:50,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:50,431 INFO L93 Difference]: Finished difference Result 1123 states and 1793 transitions. [2024-10-14 02:56:50,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 02:56:50,432 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 157 [2024-10-14 02:56:50,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:50,435 INFO L225 Difference]: With dead ends: 1123 [2024-10-14 02:56:50,435 INFO L226 Difference]: Without dead ends: 655 [2024-10-14 02:56:50,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 02:56:50,436 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1524 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4845 mSolverCounterSat, 614 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 1662 SdHoareTripleChecker+Invalid, 5459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 614 IncrementalHoareTripleChecker+Valid, 4845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:50,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1525 Valid, 1662 Invalid, 5459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [614 Valid, 4845 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-14 02:56:50,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-10-14 02:56:50,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 493. [2024-10-14 02:56:50,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 372 states have (on average 1.5833333333333333) internal successors, (589), 380 states have internal predecessors, (589), 87 states have call successors, (87), 29 states have call predecessors, (87), 33 states have return successors, (98), 85 states have call predecessors, (98), 86 states have call successors, (98) [2024-10-14 02:56:50,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 774 transitions. [2024-10-14 02:56:50,461 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 774 transitions. Word has length 157 [2024-10-14 02:56:50,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:50,461 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 774 transitions. [2024-10-14 02:56:50,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-10-14 02:56:50,462 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 774 transitions. [2024-10-14 02:56:50,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-14 02:56:50,463 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:50,464 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:56:50,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 02:56:50,464 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:50,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:50,464 INFO L85 PathProgramCache]: Analyzing trace with hash -29748854, now seen corresponding path program 1 times [2024-10-14 02:56:50,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:50,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321271373] [2024-10-14 02:56:50,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:50,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:56:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:56:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:56:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 02:56:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 02:56:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 02:56:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 02:56:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 02:56:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 02:56:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 02:56:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 02:56:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 02:56:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 02:56:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 02:56:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-14 02:56:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 02:56:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-14 02:56:50,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:50,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321271373] [2024-10-14 02:56:50,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321271373] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:56:50,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774113389] [2024-10-14 02:56:50,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:50,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:56:50,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:56:50,595 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:56:50,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 02:56:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:50,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 02:56:50,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:56:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-14 02:56:50,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:56:50,954 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-14 02:56:50,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774113389] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:56:50,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 02:56:50,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-10-14 02:56:50,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974119159] [2024-10-14 02:56:50,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 02:56:50,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 02:56:50,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:50,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 02:56:50,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-14 02:56:50,956 INFO L87 Difference]: Start difference. First operand 493 states and 774 transitions. Second operand has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 7 states have internal predecessors, (140), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 02:56:52,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:52,512 INFO L93 Difference]: Finished difference Result 1309 states and 2170 transitions. [2024-10-14 02:56:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 02:56:52,513 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 7 states have internal predecessors, (140), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 158 [2024-10-14 02:56:52,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:52,518 INFO L225 Difference]: With dead ends: 1309 [2024-10-14 02:56:52,518 INFO L226 Difference]: Without dead ends: 1075 [2024-10-14 02:56:52,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-14 02:56:52,519 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 2247 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 2475 mSolverCounterSat, 814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2301 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 3289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 814 IncrementalHoareTripleChecker+Valid, 2475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:52,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2301 Valid, 1542 Invalid, 3289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [814 Valid, 2475 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 02:56:52,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2024-10-14 02:56:52,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 898. [2024-10-14 02:56:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 698 states have (on average 1.646131805157593) internal successors, (1149), 706 states have internal predecessors, (1149), 166 states have call successors, (166), 29 states have call predecessors, (166), 33 states have return successors, (187), 164 states have call predecessors, (187), 165 states have call successors, (187) [2024-10-14 02:56:52,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1502 transitions. [2024-10-14 02:56:52,556 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1502 transitions. Word has length 158 [2024-10-14 02:56:52,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:52,556 INFO L471 AbstractCegarLoop]: Abstraction has 898 states and 1502 transitions. [2024-10-14 02:56:52,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 7 states have internal predecessors, (140), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 02:56:52,556 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1502 transitions. [2024-10-14 02:56:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-14 02:56:52,560 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:52,560 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:56:52,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 02:56:52,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:56:52,761 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:52,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:52,762 INFO L85 PathProgramCache]: Analyzing trace with hash 363776429, now seen corresponding path program 1 times [2024-10-14 02:56:52,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:52,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171918767] [2024-10-14 02:56:52,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:52,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:56:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:56:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:56:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 02:56:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 02:56:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:56:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 02:56:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 02:56:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:56:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 02:56:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 02:56:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 02:56:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 02:56:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 02:56:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 02:56:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 02:56:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:52,866 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-14 02:56:52,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:52,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171918767] [2024-10-14 02:56:52,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171918767] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:52,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:56:52,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:56:52,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682641039] [2024-10-14 02:56:52,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:52,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:56:52,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:52,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:56:52,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:56:52,869 INFO L87 Difference]: Start difference. First operand 898 states and 1502 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-14 02:56:54,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:54,094 INFO L93 Difference]: Finished difference Result 2305 states and 3949 transitions. [2024-10-14 02:56:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:56:54,095 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 164 [2024-10-14 02:56:54,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:54,101 INFO L225 Difference]: With dead ends: 2305 [2024-10-14 02:56:54,101 INFO L226 Difference]: Without dead ends: 1467 [2024-10-14 02:56:54,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:56:54,103 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1663 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 665 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 2339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 665 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:54,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1681 Valid, 900 Invalid, 2339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [665 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 02:56:54,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2024-10-14 02:56:54,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1300. [2024-10-14 02:56:54,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 1021 states have (on average 1.6611165523996083) internal successors, (1696), 1029 states have internal predecessors, (1696), 245 states have call successors, (245), 29 states have call predecessors, (245), 33 states have return successors, (276), 243 states have call predecessors, (276), 244 states have call successors, (276) [2024-10-14 02:56:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 2217 transitions. [2024-10-14 02:56:54,149 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 2217 transitions. Word has length 164 [2024-10-14 02:56:54,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:54,149 INFO L471 AbstractCegarLoop]: Abstraction has 1300 states and 2217 transitions. [2024-10-14 02:56:54,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-14 02:56:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 2217 transitions. [2024-10-14 02:56:54,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-14 02:56:54,155 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:54,155 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:56:54,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 02:56:54,155 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:54,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:54,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1143361201, now seen corresponding path program 1 times [2024-10-14 02:56:54,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:54,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647390993] [2024-10-14 02:56:54,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:54,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:56:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:56:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:56:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 02:56:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 02:56:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 02:56:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 02:56:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 02:56:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 02:56:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 02:56:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 02:56:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 02:56:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 02:56:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 02:56:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 02:56:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 02:56:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 02:56:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 02:56:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 02:56:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:54,303 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 02:56:54,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:54,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647390993] [2024-10-14 02:56:54,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647390993] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:54,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:56:54,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:56:54,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497766867] [2024-10-14 02:56:54,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:54,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:56:54,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:54,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:56:54,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:56:54,305 INFO L87 Difference]: Start difference. First operand 1300 states and 2217 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:56:55,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:55,622 INFO L93 Difference]: Finished difference Result 3288 states and 5696 transitions. [2024-10-14 02:56:55,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:56:55,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 183 [2024-10-14 02:56:55,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:55,632 INFO L225 Difference]: With dead ends: 3288 [2024-10-14 02:56:55,632 INFO L226 Difference]: Without dead ends: 2098 [2024-10-14 02:56:55,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:56:55,635 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1598 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 652 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 2399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 652 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:55,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1616 Valid, 899 Invalid, 2399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [652 Valid, 1747 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 02:56:55,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2024-10-14 02:56:55,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 1931. [2024-10-14 02:56:55,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1931 states, 1533 states have (on average 1.6712328767123288) internal successors, (2562), 1541 states have internal predecessors, (2562), 364 states have call successors, (364), 29 states have call predecessors, (364), 33 states have return successors, (395), 362 states have call predecessors, (395), 363 states have call successors, (395) [2024-10-14 02:56:55,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 3321 transitions. [2024-10-14 02:56:55,705 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 3321 transitions. Word has length 183 [2024-10-14 02:56:55,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:55,705 INFO L471 AbstractCegarLoop]: Abstraction has 1931 states and 3321 transitions. [2024-10-14 02:56:55,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:56:55,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 3321 transitions. [2024-10-14 02:56:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-14 02:56:55,714 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:55,714 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:56:55,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 02:56:55,715 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:55,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:55,715 INFO L85 PathProgramCache]: Analyzing trace with hash -269544250, now seen corresponding path program 1 times [2024-10-14 02:56:55,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:55,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030100349] [2024-10-14 02:56:55,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:55,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:56:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:56:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:56:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 02:56:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 02:56:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 02:56:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 02:56:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 02:56:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:56:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 02:56:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 02:56:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 02:56:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 02:56:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 02:56:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 02:56:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 02:56:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 02:56:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 02:56:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 02:56:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:55,858 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 02:56:55,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:55,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030100349] [2024-10-14 02:56:55,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030100349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:55,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:56:55,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:56:55,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373176304] [2024-10-14 02:56:55,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:55,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:56:55,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:55,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:56:55,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:56:55,859 INFO L87 Difference]: Start difference. First operand 1931 states and 3321 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:56:57,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:57,127 INFO L93 Difference]: Finished difference Result 4768 states and 8348 transitions. [2024-10-14 02:56:57,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:56:57,128 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 184 [2024-10-14 02:56:57,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:57,140 INFO L225 Difference]: With dead ends: 4768 [2024-10-14 02:56:57,140 INFO L226 Difference]: Without dead ends: 3067 [2024-10-14 02:56:57,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:56:57,145 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1692 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 707 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:57,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1712 Valid, 876 Invalid, 2292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [707 Valid, 1585 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 02:56:57,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3067 states. [2024-10-14 02:56:57,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3067 to 2900. [2024-10-14 02:56:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2900 states, 2340 states have (on average 1.6794871794871795) internal successors, (3930), 2348 states have internal predecessors, (3930), 526 states have call successors, (526), 29 states have call predecessors, (526), 33 states have return successors, (573), 524 states have call predecessors, (573), 525 states have call successors, (573) [2024-10-14 02:56:57,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 5029 transitions. [2024-10-14 02:56:57,235 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 5029 transitions. Word has length 184 [2024-10-14 02:56:57,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:57,235 INFO L471 AbstractCegarLoop]: Abstraction has 2900 states and 5029 transitions. [2024-10-14 02:56:57,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:56:57,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 5029 transitions. [2024-10-14 02:56:57,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-14 02:56:57,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:57,248 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:56:57,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 02:56:57,249 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:57,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:57,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1560459152, now seen corresponding path program 1 times [2024-10-14 02:56:57,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:57,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773094323] [2024-10-14 02:56:57,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:57,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:56:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:56:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:56:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 02:56:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:56:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 02:56:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 02:56:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 02:56:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 02:56:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 02:56:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 02:56:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 02:56:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 02:56:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 02:56:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 02:56:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 02:56:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 02:56:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 02:56:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 02:56:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 02:56:57,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:57,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773094323] [2024-10-14 02:56:57,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773094323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:57,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:56:57,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:56:57,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286471718] [2024-10-14 02:56:57,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:57,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:56:57,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:57,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:56:57,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:56:57,352 INFO L87 Difference]: Start difference. First operand 2900 states and 5029 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:56:58,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:56:58,679 INFO L93 Difference]: Finished difference Result 7108 states and 12553 transitions. [2024-10-14 02:56:58,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:56:58,681 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 185 [2024-10-14 02:56:58,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:56:58,700 INFO L225 Difference]: With dead ends: 7108 [2024-10-14 02:56:58,700 INFO L226 Difference]: Without dead ends: 4635 [2024-10-14 02:56:58,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:56:58,707 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1608 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1698 mSolverCounterSat, 639 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1626 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 639 IncrementalHoareTripleChecker+Valid, 1698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:56:58,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1626 Valid, 878 Invalid, 2337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [639 Valid, 1698 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 02:56:58,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4635 states. [2024-10-14 02:56:58,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4635 to 4468. [2024-10-14 02:56:58,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4468 states, 3663 states have (on average 1.6855036855036856) internal successors, (6174), 3671 states have internal predecessors, (6174), 771 states have call successors, (771), 29 states have call predecessors, (771), 33 states have return successors, (844), 769 states have call predecessors, (844), 770 states have call successors, (844) [2024-10-14 02:56:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4468 states to 4468 states and 7789 transitions. [2024-10-14 02:56:58,862 INFO L78 Accepts]: Start accepts. Automaton has 4468 states and 7789 transitions. Word has length 185 [2024-10-14 02:56:58,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:56:58,862 INFO L471 AbstractCegarLoop]: Abstraction has 4468 states and 7789 transitions. [2024-10-14 02:56:58,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:56:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 4468 states and 7789 transitions. [2024-10-14 02:56:58,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-14 02:56:58,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:56:58,882 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:56:58,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 02:56:58,882 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:56:58,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:56:58,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1761502614, now seen corresponding path program 1 times [2024-10-14 02:56:58,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:56:58,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881044421] [2024-10-14 02:56:58,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:56:58,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:56:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:56:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:56:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:56:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:56:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:56:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:56:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 02:56:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 02:56:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 02:56:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 02:56:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 02:56:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 02:56:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 02:56:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 02:56:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 02:56:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 02:56:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 02:56:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 02:56:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 02:56:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:56:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 02:56:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-14 02:56:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 02:56:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:56:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 02:56:58,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:56:58,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881044421] [2024-10-14 02:56:58,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881044421] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:56:58,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:56:58,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:56:58,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790611434] [2024-10-14 02:56:58,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:56:58,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:56:58,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:56:58,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:56:58,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:56:58,996 INFO L87 Difference]: Start difference. First operand 4468 states and 7789 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:57:00,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:57:00,460 INFO L93 Difference]: Finished difference Result 11061 states and 19620 transitions. [2024-10-14 02:57:00,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:57:00,464 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 186 [2024-10-14 02:57:00,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:57:00,503 INFO L225 Difference]: With dead ends: 11061 [2024-10-14 02:57:00,503 INFO L226 Difference]: Without dead ends: 7307 [2024-10-14 02:57:00,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:57:00,515 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1632 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 1680 mSolverCounterSat, 666 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 2346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 666 IncrementalHoareTripleChecker+Valid, 1680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:57:00,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1650 Valid, 902 Invalid, 2346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [666 Valid, 1680 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 02:57:00,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7307 states. [2024-10-14 02:57:00,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7307 to 7140. [2024-10-14 02:57:00,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7140 states, 5842 states have (on average 1.6805888394385484) internal successors, (9818), 5850 states have internal predecessors, (9818), 1264 states have call successors, (1264), 29 states have call predecessors, (1264), 33 states have return successors, (1381), 1262 states have call predecessors, (1381), 1263 states have call successors, (1381) [2024-10-14 02:57:00,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7140 states to 7140 states and 12463 transitions. [2024-10-14 02:57:00,815 INFO L78 Accepts]: Start accepts. Automaton has 7140 states and 12463 transitions. Word has length 186 [2024-10-14 02:57:00,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:57:00,816 INFO L471 AbstractCegarLoop]: Abstraction has 7140 states and 12463 transitions. [2024-10-14 02:57:00,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:57:00,817 INFO L276 IsEmpty]: Start isEmpty. Operand 7140 states and 12463 transitions. [2024-10-14 02:57:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-14 02:57:00,843 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:57:00,843 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:57:00,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 02:57:00,843 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:57:00,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:57:00,843 INFO L85 PathProgramCache]: Analyzing trace with hash -63111983, now seen corresponding path program 1 times [2024-10-14 02:57:00,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:57:00,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175992244] [2024-10-14 02:57:00,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:57:00,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:57:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:57:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:57:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:57:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:57:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:57:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:57:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 02:57:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 02:57:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 02:57:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 02:57:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 02:57:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 02:57:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 02:57:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 02:57:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 02:57:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 02:57:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:57:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 02:57:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-14 02:57:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 02:57:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:00,945 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-14 02:57:00,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:57:00,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175992244] [2024-10-14 02:57:00,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175992244] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:57:00,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:57:00,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:57:00,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972417032] [2024-10-14 02:57:00,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:57:00,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:57:00,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:57:00,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:57:00,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:57:00,947 INFO L87 Difference]: Start difference. First operand 7140 states and 12463 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-14 02:57:02,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:57:02,443 INFO L93 Difference]: Finished difference Result 18196 states and 32304 transitions. [2024-10-14 02:57:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:57:02,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 169 [2024-10-14 02:57:02,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:57:02,483 INFO L225 Difference]: With dead ends: 18196 [2024-10-14 02:57:02,483 INFO L226 Difference]: Without dead ends: 12136 [2024-10-14 02:57:02,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:57:02,504 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1689 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 1621 mSolverCounterSat, 722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 2343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 722 IncrementalHoareTripleChecker+Valid, 1621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:57:02,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 884 Invalid, 2343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [722 Valid, 1621 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 02:57:02,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12136 states. [2024-10-14 02:57:02,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12136 to 11969. [2024-10-14 02:57:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11969 states, 9849 states have (on average 1.6811859071987003) internal successors, (16558), 9857 states have internal predecessors, (16558), 2086 states have call successors, (2086), 29 states have call predecessors, (2086), 33 states have return successors, (2281), 2084 states have call predecessors, (2281), 2085 states have call successors, (2281) [2024-10-14 02:57:02,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11969 states to 11969 states and 20925 transitions. [2024-10-14 02:57:02,973 INFO L78 Accepts]: Start accepts. Automaton has 11969 states and 20925 transitions. Word has length 169 [2024-10-14 02:57:02,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:57:02,974 INFO L471 AbstractCegarLoop]: Abstraction has 11969 states and 20925 transitions. [2024-10-14 02:57:02,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-14 02:57:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 11969 states and 20925 transitions. [2024-10-14 02:57:03,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-14 02:57:03,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:57:03,017 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:57:03,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 02:57:03,018 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:57:03,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:57:03,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1018614940, now seen corresponding path program 1 times [2024-10-14 02:57:03,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:57:03,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977466983] [2024-10-14 02:57:03,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:57:03,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:57:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:57:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:57:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:57:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:57:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:57:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:57:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 02:57:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 02:57:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 02:57:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 02:57:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 02:57:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 02:57:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 02:57:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 02:57:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 02:57:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-14 02:57:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 02:57:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 02:57:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 02:57:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:57:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 02:57:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 02:57:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 02:57:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 02:57:03,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:57:03,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977466983] [2024-10-14 02:57:03,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977466983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:57:03,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:57:03,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:57:03,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491117381] [2024-10-14 02:57:03,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:57:03,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:57:03,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:57:03,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:57:03,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:57:03,138 INFO L87 Difference]: Start difference. First operand 11969 states and 20925 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:57:04,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:57:04,833 INFO L93 Difference]: Finished difference Result 28742 states and 50857 transitions. [2024-10-14 02:57:04,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:57:04,833 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2024-10-14 02:57:04,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:57:04,903 INFO L225 Difference]: With dead ends: 28742 [2024-10-14 02:57:04,904 INFO L226 Difference]: Without dead ends: 18808 [2024-10-14 02:57:04,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:57:04,936 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1659 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 1639 mSolverCounterSat, 693 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1677 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 2332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 693 IncrementalHoareTripleChecker+Valid, 1639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:57:04,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1677 Valid, 868 Invalid, 2332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [693 Valid, 1639 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 02:57:04,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18808 states. [2024-10-14 02:57:05,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18808 to 18641. [2024-10-14 02:57:05,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18641 states, 15318 states have (on average 1.6594202898550725) internal successors, (25419), 15326 states have internal predecessors, (25419), 3289 states have call successors, (3289), 29 states have call predecessors, (3289), 33 states have return successors, (3628), 3287 states have call predecessors, (3628), 3288 states have call successors, (3628) [2024-10-14 02:57:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18641 states to 18641 states and 32336 transitions. [2024-10-14 02:57:05,536 INFO L78 Accepts]: Start accepts. Automaton has 18641 states and 32336 transitions. Word has length 188 [2024-10-14 02:57:05,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:57:05,537 INFO L471 AbstractCegarLoop]: Abstraction has 18641 states and 32336 transitions. [2024-10-14 02:57:05,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:57:05,538 INFO L276 IsEmpty]: Start isEmpty. Operand 18641 states and 32336 transitions. [2024-10-14 02:57:05,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 02:57:05,674 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:57:05,674 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:57:05,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 02:57:05,675 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:57:05,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:57:05,675 INFO L85 PathProgramCache]: Analyzing trace with hash -766397872, now seen corresponding path program 1 times [2024-10-14 02:57:05,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:57:05,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243798958] [2024-10-14 02:57:05,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:57:05,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:57:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:57:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:57:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:57:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:57:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:57:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:57:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 02:57:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 02:57:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 02:57:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 02:57:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 02:57:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 02:57:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 02:57:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 02:57:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 02:57:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 02:57:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:57:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 02:57:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 02:57:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 02:57:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:05,776 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-14 02:57:05,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:57:05,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243798958] [2024-10-14 02:57:05,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243798958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:57:05,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:57:05,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:57:05,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730864148] [2024-10-14 02:57:05,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:57:05,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:57:05,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:57:05,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:57:05,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:57:05,778 INFO L87 Difference]: Start difference. First operand 18641 states and 32336 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-14 02:57:07,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:57:07,424 INFO L93 Difference]: Finished difference Result 49375 states and 87178 transitions. [2024-10-14 02:57:07,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:57:07,425 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 171 [2024-10-14 02:57:07,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:57:07,542 INFO L225 Difference]: With dead ends: 49375 [2024-10-14 02:57:07,542 INFO L226 Difference]: Without dead ends: 33389 [2024-10-14 02:57:07,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:57:07,586 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1698 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 714 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 2264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 714 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:57:07,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 877 Invalid, 2264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [714 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 02:57:07,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33389 states. [2024-10-14 02:57:08,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33389 to 33222. [2024-10-14 02:57:08,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33222 states, 27449 states have (on average 1.6569638238187183) internal successors, (45482), 27457 states have internal predecessors, (45482), 5739 states have call successors, (5739), 29 states have call predecessors, (5739), 33 states have return successors, (6352), 5737 states have call predecessors, (6352), 5738 states have call successors, (6352) [2024-10-14 02:57:08,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33222 states to 33222 states and 57573 transitions. [2024-10-14 02:57:08,957 INFO L78 Accepts]: Start accepts. Automaton has 33222 states and 57573 transitions. Word has length 171 [2024-10-14 02:57:08,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:57:08,958 INFO L471 AbstractCegarLoop]: Abstraction has 33222 states and 57573 transitions. [2024-10-14 02:57:08,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-14 02:57:08,958 INFO L276 IsEmpty]: Start isEmpty. Operand 33222 states and 57573 transitions. [2024-10-14 02:57:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 02:57:09,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:57:09,029 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:57:09,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 02:57:09,030 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:57:09,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:57:09,030 INFO L85 PathProgramCache]: Analyzing trace with hash -530983646, now seen corresponding path program 1 times [2024-10-14 02:57:09,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:57:09,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529428938] [2024-10-14 02:57:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:57:09,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:57:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:57:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:57:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:57:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:57:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:57:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:57:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:57:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:57:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 02:57:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 02:57:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:57:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 02:57:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 02:57:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 02:57:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 02:57:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 02:57:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 02:57:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 02:57:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-14 02:57:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:57:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 02:57:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 02:57:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 02:57:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 02:57:09,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:57:09,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529428938] [2024-10-14 02:57:09,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529428938] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:57:09,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:57:09,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:57:09,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073183910] [2024-10-14 02:57:09,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:57:09,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:57:09,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:57:09,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:57:09,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:57:09,124 INFO L87 Difference]: Start difference. First operand 33222 states and 57573 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:57:11,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:57:11,609 INFO L93 Difference]: Finished difference Result 90677 states and 159402 transitions. [2024-10-14 02:57:11,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:57:11,610 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-10-14 02:57:11,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:57:11,824 INFO L225 Difference]: With dead ends: 90677 [2024-10-14 02:57:11,824 INFO L226 Difference]: Without dead ends: 61001 [2024-10-14 02:57:11,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:57:11,899 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1595 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 2368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:57:11,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 891 Invalid, 2368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 02:57:11,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61001 states. [2024-10-14 02:57:13,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61001 to 60834. [2024-10-14 02:57:13,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60834 states, 50548 states have (on average 1.653438316056026) internal successors, (83578), 50556 states have internal predecessors, (83578), 10252 states have call successors, (10252), 29 states have call predecessors, (10252), 33 states have return successors, (11397), 10250 states have call predecessors, (11397), 10251 states have call successors, (11397) [2024-10-14 02:57:14,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60834 states to 60834 states and 105227 transitions. [2024-10-14 02:57:14,178 INFO L78 Accepts]: Start accepts. Automaton has 60834 states and 105227 transitions. Word has length 190 [2024-10-14 02:57:14,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:57:14,179 INFO L471 AbstractCegarLoop]: Abstraction has 60834 states and 105227 transitions. [2024-10-14 02:57:14,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 02:57:14,179 INFO L276 IsEmpty]: Start isEmpty. Operand 60834 states and 105227 transitions. [2024-10-14 02:57:14,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-14 02:57:14,287 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:57:14,287 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:57:14,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 02:57:14,288 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:57:14,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:57:14,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1850001712, now seen corresponding path program 1 times [2024-10-14 02:57:14,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:57:14,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452076414] [2024-10-14 02:57:14,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:57:14,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:57:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:57:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:57:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:57:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:57:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:57:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:57:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 02:57:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 02:57:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 02:57:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 02:57:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 02:57:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 02:57:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 02:57:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 02:57:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 02:57:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 02:57:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:57:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 02:57:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 02:57:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 02:57:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-14 02:57:14,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:57:14,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452076414] [2024-10-14 02:57:14,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452076414] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:57:14,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:57:14,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:57:14,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672802480] [2024-10-14 02:57:14,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:57:14,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:57:14,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:57:14,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:57:14,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:57:14,390 INFO L87 Difference]: Start difference. First operand 60834 states and 105227 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-14 02:57:17,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:57:17,666 INFO L93 Difference]: Finished difference Result 114029 states and 201012 transitions. [2024-10-14 02:57:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:57:17,667 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 173 [2024-10-14 02:57:17,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:57:18,094 INFO L225 Difference]: With dead ends: 114029 [2024-10-14 02:57:18,095 INFO L226 Difference]: Without dead ends: 113795 [2024-10-14 02:57:18,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:57:18,145 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1683 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 684 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 684 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:57:18,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1701 Valid, 889 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [684 Valid, 1590 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 02:57:18,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113795 states. [2024-10-14 02:57:21,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113795 to 113628. [2024-10-14 02:57:21,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113628 states, 94974 states have (on average 1.648767030976899) internal successors, (156590), 94982 states have internal predecessors, (156590), 18620 states have call successors, (18620), 29 states have call predecessors, (18620), 33 states have return successors, (20811), 18618 states have call predecessors, (20811), 18619 states have call successors, (20811) [2024-10-14 02:57:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113628 states to 113628 states and 196021 transitions. [2024-10-14 02:57:21,992 INFO L78 Accepts]: Start accepts. Automaton has 113628 states and 196021 transitions. Word has length 173 [2024-10-14 02:57:21,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:57:21,993 INFO L471 AbstractCegarLoop]: Abstraction has 113628 states and 196021 transitions. [2024-10-14 02:57:21,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-14 02:57:21,993 INFO L276 IsEmpty]: Start isEmpty. Operand 113628 states and 196021 transitions. [2024-10-14 02:57:22,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-14 02:57:22,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:57:22,130 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:57:22,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 02:57:22,130 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:57:22,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:57:22,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1059167112, now seen corresponding path program 1 times [2024-10-14 02:57:22,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:57:22,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673178568] [2024-10-14 02:57:22,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:57:22,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:57:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:57:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:57:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:57:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:57:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:57:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:57:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 02:57:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 02:57:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 02:57:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 02:57:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 02:57:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 02:57:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 02:57:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 02:57:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 02:57:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 02:57:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:57:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 02:57:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 02:57:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-14 02:57:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:22,975 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-14 02:57:22,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:57:22,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673178568] [2024-10-14 02:57:22,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673178568] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:57:22,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780744372] [2024-10-14 02:57:22,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:57:22,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:57:22,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:57:22,977 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:57:22,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 02:57:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:57:23,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 1324 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 02:57:23,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:57:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-14 02:57:23,387 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:57:23,662 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-14 02:57:23,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780744372] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:57:23,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 02:57:23,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2024-10-14 02:57:23,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982860212] [2024-10-14 02:57:23,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 02:57:23,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-14 02:57:23,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:57:23,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-14 02:57:23,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2024-10-14 02:57:23,664 INFO L87 Difference]: Start difference. First operand 113628 states and 196021 transitions. Second operand has 32 states, 30 states have (on average 8.7) internal successors, (261), 24 states have internal predecessors, (261), 9 states have call successors, (59), 12 states have call predecessors, (59), 12 states have return successors, (51), 11 states have call predecessors, (51), 9 states have call successors, (51)