./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec9_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec9_product21.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 f4fee54ccb193d38705f292ec1df682c5f160e2b5ba09e341cb9a12b4e6b2606 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:11:13,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:11:13,761 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:11:13,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:11:13,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:11:13,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:11:13,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:11:13,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:11:13,795 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:11:13,796 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:11:13,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:11:13,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:11:13,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:11:13,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:11:13,800 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:11:13,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:11:13,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:11:13,801 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:11:13,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:11:13,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:11:13,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:11:13,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:11:13,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:11:13,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:11:13,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:11:13,805 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:11:13,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:11:13,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:11:13,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:11:13,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:11:13,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:11:13,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:11:13,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:11:13,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:11:13,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:11:13,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:11:13,807 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:11:13,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:11:13,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:11:13,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:11:13,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:11:13,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:11:13,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4fee54ccb193d38705f292ec1df682c5f160e2b5ba09e341cb9a12b4e6b2606 [2024-11-08 15:11:14,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:11:14,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:11:14,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:11:14,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:11:14,112 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:11:14,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product21.cil.c [2024-11-08 15:11:15,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:11:15,800 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:11:15,802 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c [2024-11-08 15:11:15,830 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/063f6a101/5b8c888a23c44b478e203c6004839409/FLAGd4aa38473 [2024-11-08 15:11:15,844 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/063f6a101/5b8c888a23c44b478e203c6004839409 [2024-11-08 15:11:15,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:11:15,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:11:15,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:11:15,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:11:15,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:11:15,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:11:15" (1/1) ... [2024-11-08 15:11:15,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706f2326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:15, skipping insertion in model container [2024-11-08 15:11:15,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:11:15" (1/1) ... [2024-11-08 15:11:15,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:11:16,288 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c[10263,10276] [2024-11-08 15:11:16,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:11:16,550 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:11:16,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2024-11-08 15:11:16,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [393] [2024-11-08 15:11:16,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [498] [2024-11-08 15:11:16,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [507] [2024-11-08 15:11:16,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [545] [2024-11-08 15:11:16,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [562] [2024-11-08 15:11:16,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1634] [2024-11-08 15:11:16,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [2037] [2024-11-08 15:11:16,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2079] [2024-11-08 15:11:16,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2308] [2024-11-08 15:11:16,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2596] [2024-11-08 15:11:16,580 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c[10263,10276] [2024-11-08 15:11:16,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:11:16,700 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:11:16,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16 WrapperNode [2024-11-08 15:11:16,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:11:16,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:11:16,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:11:16,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:11:16,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16" (1/1) ... [2024-11-08 15:11:16,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16" (1/1) ... [2024-11-08 15:11:16,805 INFO L138 Inliner]: procedures = 129, calls = 200, calls flagged for inlining = 58, calls inlined = 55, statements flattened = 1077 [2024-11-08 15:11:16,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:11:16,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:11:16,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:11:16,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:11:16,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16" (1/1) ... [2024-11-08 15:11:16,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16" (1/1) ... [2024-11-08 15:11:16,826 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16" (1/1) ... [2024-11-08 15:11:16,853 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-08 15:11:16,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16" (1/1) ... [2024-11-08 15:11:16,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16" (1/1) ... [2024-11-08 15:11:16,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16" (1/1) ... [2024-11-08 15:11:16,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16" (1/1) ... [2024-11-08 15:11:16,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16" (1/1) ... [2024-11-08 15:11:16,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16" (1/1) ... [2024-11-08 15:11:16,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:11:16,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:11:16,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:11:16,929 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:11:16,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16" (1/1) ... [2024-11-08 15:11:16,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:11:16,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:11:16,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 15:11:16,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 15:11:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-08 15:11:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-08 15:11:17,039 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-08 15:11:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-08 15:11:17,039 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-08 15:11:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-08 15:11:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-08 15:11:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-08 15:11:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 15:11:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 15:11:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 15:11:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 15:11:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 15:11:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 15:11:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-08 15:11:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-08 15:11:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 15:11:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 15:11:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 15:11:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 15:11:17,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:11:17,044 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-08 15:11:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-08 15:11:17,044 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 15:11:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 15:11:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 15:11:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 15:11:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 15:11:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 15:11:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-08 15:11:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-08 15:11:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 15:11:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 15:11:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-08 15:11:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-08 15:11:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 15:11:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 15:11:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 15:11:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 15:11:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:11:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 15:11:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 15:11:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 15:11:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 15:11:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 15:11:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-08 15:11:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-08 15:11:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:11:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:11:17,285 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:11:17,289 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:11:18,243 INFO L? ?]: Removed 524 outVars from TransFormulas that were not future-live. [2024-11-08 15:11:18,244 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:11:18,271 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:11:18,275 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 15:11:18,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:11:18 BoogieIcfgContainer [2024-11-08 15:11:18,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:11:18,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:11:18,279 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:11:18,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:11:18,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:11:15" (1/3) ... [2024-11-08 15:11:18,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d3f7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:11:18, skipping insertion in model container [2024-11-08 15:11:18,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:11:16" (2/3) ... [2024-11-08 15:11:18,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d3f7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:11:18, skipping insertion in model container [2024-11-08 15:11:18,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:11:18" (3/3) ... [2024-11-08 15:11:18,286 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product21.cil.c [2024-11-08 15:11:18,305 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:11:18,306 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:11:18,385 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:11:18,392 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;@a56ce1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:11:18,393 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:11:18,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 377 states, 297 states have (on average 1.569023569023569) internal successors, (466), 302 states have internal predecessors, (466), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-08 15:11:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 15:11:18,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:18,421 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:18,421 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:18,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:18,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1929475280, now seen corresponding path program 1 times [2024-11-08 15:11:18,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:18,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273446716] [2024-11-08 15:11:18,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:18,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:11:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:11:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:11:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 15:11:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 15:11:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:11:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 15:11:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:11:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:11:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,366 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 15:11:19,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:19,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273446716] [2024-11-08 15:11:19,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273446716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:11:19,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515528429] [2024-11-08 15:11:19,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:19,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:11:19,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:11:19,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:11:19,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 15:11:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:19,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 15:11:19,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:11:19,741 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:11:19,742 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:11:19,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515528429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:19,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:11:19,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 15:11:19,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468927183] [2024-11-08 15:11:19,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:19,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 15:11:19,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:19,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 15:11:19,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:11:19,784 INFO L87 Difference]: Start difference. First operand has 377 states, 297 states have (on average 1.569023569023569) internal successors, (466), 302 states have internal predecessors, (466), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:19,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:19,857 INFO L93 Difference]: Finished difference Result 561 states and 850 transitions. [2024-11-08 15:11:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 15:11:19,860 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2024-11-08 15:11:19,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:19,878 INFO L225 Difference]: With dead ends: 561 [2024-11-08 15:11:19,879 INFO L226 Difference]: Without dead ends: 370 [2024-11-08 15:11:19,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:11:19,892 INFO L432 NwaCegarLoop]: 576 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:19,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:11:19,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-08 15:11:19,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2024-11-08 15:11:19,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 291 states have (on average 1.563573883161512) internal successors, (455), 295 states have internal predecessors, (455), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 15:11:19,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 568 transitions. [2024-11-08 15:11:19,968 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 568 transitions. Word has length 98 [2024-11-08 15:11:19,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:19,969 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 568 transitions. [2024-11-08 15:11:19,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:19,970 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 568 transitions. [2024-11-08 15:11:19,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 15:11:19,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:19,983 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:19,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 15:11:20,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-08 15:11:20,185 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:20,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:20,185 INFO L85 PathProgramCache]: Analyzing trace with hash -440096051, now seen corresponding path program 1 times [2024-11-08 15:11:20,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:20,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720692627] [2024-11-08 15:11:20,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:20,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:11:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:11:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:11:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 15:11:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 15:11:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 15:11:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 15:11:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:11:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:11:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,489 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 15:11:20,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:20,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720692627] [2024-11-08 15:11:20,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720692627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:11:20,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285362452] [2024-11-08 15:11:20,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:20,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:11:20,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:11:20,493 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:11:20,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 15:11:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:20,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 15:11:20,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:11:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:11:20,909 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:11:20,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285362452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:20,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:11:20,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 15:11:20,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699617757] [2024-11-08 15:11:20,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:20,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:11:20,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:20,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:11:20,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:11:20,912 INFO L87 Difference]: Start difference. First operand 370 states and 568 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:20,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:20,968 INFO L93 Difference]: Finished difference Result 551 states and 828 transitions. [2024-11-08 15:11:20,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:11:20,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2024-11-08 15:11:20,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:20,973 INFO L225 Difference]: With dead ends: 551 [2024-11-08 15:11:20,975 INFO L226 Difference]: Without dead ends: 373 [2024-11-08 15:11:20,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:11:20,978 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 1 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:20,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1130 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:11:20,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-08 15:11:21,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 372. [2024-11-08 15:11:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 293 states have (on average 1.5597269624573378) internal successors, (457), 297 states have internal predecessors, (457), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 15:11:21,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 570 transitions. [2024-11-08 15:11:21,009 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 570 transitions. Word has length 99 [2024-11-08 15:11:21,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:21,011 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 570 transitions. [2024-11-08 15:11:21,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:21,012 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 570 transitions. [2024-11-08 15:11:21,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 15:11:21,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:21,019 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:21,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 15:11:21,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-08 15:11:21,220 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:21,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:21,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1969662684, now seen corresponding path program 1 times [2024-11-08 15:11:21,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:21,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305492623] [2024-11-08 15:11:21,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:21,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:11:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:11:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:11:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 15:11:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 15:11:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 15:11:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:11:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:11:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:11:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 15:11:21,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:21,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305492623] [2024-11-08 15:11:21,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305492623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:11:21,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904063369] [2024-11-08 15:11:21,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:21,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:11:21,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:11:21,489 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:11:21,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 15:11:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:21,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:11:21,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:11:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:11:21,823 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:11:21,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904063369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:21,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:11:21,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 15:11:21,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239941642] [2024-11-08 15:11:21,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:21,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:11:21,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:21,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:11:21,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:11:21,826 INFO L87 Difference]: Start difference. First operand 372 states and 570 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:21,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:21,854 INFO L93 Difference]: Finished difference Result 792 states and 1232 transitions. [2024-11-08 15:11:21,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:11:21,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 105 [2024-11-08 15:11:21,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:21,858 INFO L225 Difference]: With dead ends: 792 [2024-11-08 15:11:21,858 INFO L226 Difference]: Without dead ends: 447 [2024-11-08 15:11:21,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:11:21,860 INFO L432 NwaCegarLoop]: 587 mSDtfsCounter, 134 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:21,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1110 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:11:21,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-08 15:11:21,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 439. [2024-11-08 15:11:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 346 states have (on average 1.5780346820809248) internal successors, (546), 350 states have internal predecessors, (546), 71 states have call successors, (71), 21 states have call predecessors, (71), 21 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-08 15:11:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 687 transitions. [2024-11-08 15:11:21,882 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 687 transitions. Word has length 105 [2024-11-08 15:11:21,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:21,883 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 687 transitions. [2024-11-08 15:11:21,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 687 transitions. [2024-11-08 15:11:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 15:11:21,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:21,886 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:21,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 15:11:22,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:11:22,087 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:22,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:22,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1733979839, now seen corresponding path program 1 times [2024-11-08 15:11:22,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:22,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331350697] [2024-11-08 15:11:22,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:22,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:11:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:11:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:11:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 15:11:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 15:11:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 15:11:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 15:11:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:11:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:11:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 15:11:22,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:22,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331350697] [2024-11-08 15:11:22,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331350697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:11:22,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12661712] [2024-11-08 15:11:22,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:22,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:11:22,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:11:22,333 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:11:22,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 15:11:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:22,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 15:11:22,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:11:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 15:11:22,685 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:11:22,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12661712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:22,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:11:22,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 15:11:22,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874974195] [2024-11-08 15:11:22,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:22,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:11:22,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:22,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:11:22,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:11:22,687 INFO L87 Difference]: Start difference. First operand 439 states and 687 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 15:11:22,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:22,758 INFO L93 Difference]: Finished difference Result 869 states and 1364 transitions. [2024-11-08 15:11:22,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:11:22,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2024-11-08 15:11:22,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:22,764 INFO L225 Difference]: With dead ends: 869 [2024-11-08 15:11:22,779 INFO L226 Difference]: Without dead ends: 441 [2024-11-08 15:11:22,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:11:22,783 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 2 mSDsluCounter, 1669 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:22,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2229 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:11:22,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-08 15:11:22,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-11-08 15:11:22,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 347 states have (on average 1.5763688760806915) internal successors, (547), 352 states have internal predecessors, (547), 71 states have call successors, (71), 21 states have call predecessors, (71), 22 states have return successors, (72), 69 states have call predecessors, (72), 70 states have call successors, (72) [2024-11-08 15:11:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 690 transitions. [2024-11-08 15:11:22,807 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 690 transitions. Word has length 106 [2024-11-08 15:11:22,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:22,807 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 690 transitions. [2024-11-08 15:11:22,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 15:11:22,808 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 690 transitions. [2024-11-08 15:11:22,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 15:11:22,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:22,812 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:22,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 15:11:23,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:11:23,013 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:23,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:23,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1463820644, now seen corresponding path program 1 times [2024-11-08 15:11:23,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:23,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608426021] [2024-11-08 15:11:23,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:23,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 15:11:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:11:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 15:11:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:11:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 15:11:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 15:11:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 15:11:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:11:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,268 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 15:11:23,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:23,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608426021] [2024-11-08 15:11:23,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608426021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:11:23,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447163341] [2024-11-08 15:11:23,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:23,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:11:23,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:11:23,270 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:11:23,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 15:11:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:23,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 15:11:23,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:11:23,613 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 15:11:23,613 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:11:23,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447163341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:23,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:11:23,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 15:11:23,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008155184] [2024-11-08 15:11:23,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:23,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:11:23,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:23,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:11:23,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 15:11:23,617 INFO L87 Difference]: Start difference. First operand 441 states and 690 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 15:11:23,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:23,692 INFO L93 Difference]: Finished difference Result 871 states and 1369 transitions. [2024-11-08 15:11:23,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:11:23,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2024-11-08 15:11:23,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:23,697 INFO L225 Difference]: With dead ends: 871 [2024-11-08 15:11:23,698 INFO L226 Difference]: Without dead ends: 443 [2024-11-08 15:11:23,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 15:11:23,701 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 2 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2215 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:23,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2215 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:11:23,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-08 15:11:23,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2024-11-08 15:11:23,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 348 states have (on average 1.5747126436781609) internal successors, (548), 354 states have internal predecessors, (548), 71 states have call successors, (71), 21 states have call predecessors, (71), 23 states have return successors, (77), 69 states have call predecessors, (77), 70 states have call successors, (77) [2024-11-08 15:11:23,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 696 transitions. [2024-11-08 15:11:23,728 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 696 transitions. Word has length 107 [2024-11-08 15:11:23,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:23,728 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 696 transitions. [2024-11-08 15:11:23,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 15:11:23,729 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 696 transitions. [2024-11-08 15:11:23,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 15:11:23,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:23,732 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:23,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 15:11:23,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:11:23,933 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:23,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:23,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1036991374, now seen corresponding path program 1 times [2024-11-08 15:11:23,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:23,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449374031] [2024-11-08 15:11:23,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:23,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:24,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:24,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:24,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:24,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:24,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:24,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 15:11:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:24,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 15:11:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:24,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 15:11:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:24,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 15:11:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:24,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 15:11:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:24,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:11:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:24,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:11:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:24,143 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 15:11:24,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:24,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449374031] [2024-11-08 15:11:24,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449374031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:24,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:24,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:11:24,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719810273] [2024-11-08 15:11:24,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:24,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:11:24,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:24,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:11:24,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:11:24,146 INFO L87 Difference]: Start difference. First operand 443 states and 696 transitions. Second operand has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 15:11:26,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:26,508 INFO L93 Difference]: Finished difference Result 1030 states and 1635 transitions. [2024-11-08 15:11:26,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 15:11:26,508 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2024-11-08 15:11:26,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:26,513 INFO L225 Difference]: With dead ends: 1030 [2024-11-08 15:11:26,513 INFO L226 Difference]: Without dead ends: 610 [2024-11-08 15:11:26,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:11:26,517 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1225 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2832 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1226 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 3223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 2832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:26,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1226 Valid, 1339 Invalid, 3223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 2832 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 15:11:26,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-11-08 15:11:26,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 443. [2024-11-08 15:11:26,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 348 states have (on average 1.5747126436781609) internal successors, (548), 354 states have internal predecessors, (548), 71 states have call successors, (71), 21 states have call predecessors, (71), 23 states have return successors, (76), 69 states have call predecessors, (76), 70 states have call successors, (76) [2024-11-08 15:11:26,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 695 transitions. [2024-11-08 15:11:26,565 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 695 transitions. Word has length 108 [2024-11-08 15:11:26,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:26,566 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 695 transitions. [2024-11-08 15:11:26,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 15:11:26,566 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 695 transitions. [2024-11-08 15:11:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 15:11:26,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:26,568 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:26,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 15:11:26,569 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:26,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:26,569 INFO L85 PathProgramCache]: Analyzing trace with hash -2043334067, now seen corresponding path program 2 times [2024-11-08 15:11:26,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:26,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198700975] [2024-11-08 15:11:26,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:26,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:26,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:26,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:26,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:26,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:26,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:26,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 15:11:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:26,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 15:11:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:26,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 15:11:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:26,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:11:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:26,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:11:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:26,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:11:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:26,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 15:11:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:26,791 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 15:11:26,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:26,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198700975] [2024-11-08 15:11:26,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198700975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:26,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:26,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:11:26,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926375709] [2024-11-08 15:11:26,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:26,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:11:26,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:26,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:11:26,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:11:26,796 INFO L87 Difference]: Start difference. First operand 443 states and 695 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 15:11:29,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:29,107 INFO L93 Difference]: Finished difference Result 1032 states and 1638 transitions. [2024-11-08 15:11:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 15:11:29,107 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2024-11-08 15:11:29,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:29,112 INFO L225 Difference]: With dead ends: 1032 [2024-11-08 15:11:29,112 INFO L226 Difference]: Without dead ends: 612 [2024-11-08 15:11:29,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:11:29,116 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1224 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2858 mSolverCounterSat, 379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1226 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 3237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 379 IncrementalHoareTripleChecker+Valid, 2858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:29,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1226 Valid, 1338 Invalid, 3237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [379 Valid, 2858 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 15:11:29,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-11-08 15:11:29,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 445. [2024-11-08 15:11:29,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 349 states have (on average 1.5730659025787965) internal successors, (549), 356 states have internal predecessors, (549), 71 states have call successors, (71), 21 states have call predecessors, (71), 24 states have return successors, (78), 69 states have call predecessors, (78), 70 states have call successors, (78) [2024-11-08 15:11:29,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 698 transitions. [2024-11-08 15:11:29,155 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 698 transitions. Word has length 109 [2024-11-08 15:11:29,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:29,155 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 698 transitions. [2024-11-08 15:11:29,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 15:11:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 698 transitions. [2024-11-08 15:11:29,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 15:11:29,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:29,158 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:29,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 15:11:29,158 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:29,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:29,158 INFO L85 PathProgramCache]: Analyzing trace with hash 61137735, now seen corresponding path program 1 times [2024-11-08 15:11:29,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:29,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122723281] [2024-11-08 15:11:29,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:29,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:29,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:29,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:29,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:29,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:29,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:29,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:11:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:29,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 15:11:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:29,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 15:11:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:29,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:11:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:29,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:11:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:29,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:11:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:29,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:11:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 15:11:29,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:29,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122723281] [2024-11-08 15:11:29,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122723281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:29,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:29,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:11:29,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558770698] [2024-11-08 15:11:29,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:29,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:11:29,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:29,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:11:29,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:11:29,340 INFO L87 Difference]: Start difference. First operand 445 states and 698 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 15:11:31,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:31,333 INFO L93 Difference]: Finished difference Result 1032 states and 1637 transitions. [2024-11-08 15:11:31,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:11:31,334 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2024-11-08 15:11:31,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:31,340 INFO L225 Difference]: With dead ends: 1032 [2024-11-08 15:11:31,340 INFO L226 Difference]: Without dead ends: 612 [2024-11-08 15:11:31,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-11-08 15:11:31,342 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1224 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2819 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1225 SdHoareTripleChecker+Valid, 1335 SdHoareTripleChecker+Invalid, 3200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 2819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:31,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1225 Valid, 1335 Invalid, 3200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 2819 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 15:11:31,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-11-08 15:11:31,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 445. [2024-11-08 15:11:31,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 349 states have (on average 1.5730659025787965) internal successors, (549), 356 states have internal predecessors, (549), 71 states have call successors, (71), 21 states have call predecessors, (71), 24 states have return successors, (78), 69 states have call predecessors, (78), 70 states have call successors, (78) [2024-11-08 15:11:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 698 transitions. [2024-11-08 15:11:31,375 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 698 transitions. Word has length 110 [2024-11-08 15:11:31,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:31,375 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 698 transitions. [2024-11-08 15:11:31,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 15:11:31,376 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 698 transitions. [2024-11-08 15:11:31,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 15:11:31,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:31,378 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:31,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 15:11:31,378 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:31,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:31,378 INFO L85 PathProgramCache]: Analyzing trace with hash -826085111, now seen corresponding path program 1 times [2024-11-08 15:11:31,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:31,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824942028] [2024-11-08 15:11:31,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:31,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:31,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:31,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:31,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:31,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:31,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:31,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:11:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:31,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 15:11:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:31,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 15:11:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:31,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:11:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:31,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:11:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:31,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:11:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:31,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:11:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:31,638 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 15:11:31,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:31,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824942028] [2024-11-08 15:11:31,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824942028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:31,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:31,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:11:31,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266793840] [2024-11-08 15:11:31,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:31,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:11:31,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:31,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:11:31,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:11:31,640 INFO L87 Difference]: Start difference. First operand 445 states and 698 transitions. Second operand has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-08 15:11:34,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:34,255 INFO L93 Difference]: Finished difference Result 1030 states and 1632 transitions. [2024-11-08 15:11:34,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:11:34,256 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 110 [2024-11-08 15:11:34,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:34,262 INFO L225 Difference]: With dead ends: 1030 [2024-11-08 15:11:34,263 INFO L226 Difference]: Without dead ends: 612 [2024-11-08 15:11:34,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:11:34,266 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 1230 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 4603 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 5015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 4603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:34,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 1853 Invalid, 5015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 4603 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 15:11:34,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-11-08 15:11:34,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 445. [2024-11-08 15:11:34,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 349 states have (on average 1.5730659025787965) internal successors, (549), 356 states have internal predecessors, (549), 71 states have call successors, (71), 21 states have call predecessors, (71), 24 states have return successors, (77), 69 states have call predecessors, (77), 70 states have call successors, (77) [2024-11-08 15:11:34,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 697 transitions. [2024-11-08 15:11:34,302 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 697 transitions. Word has length 110 [2024-11-08 15:11:34,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:34,303 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 697 transitions. [2024-11-08 15:11:34,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-08 15:11:34,303 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 697 transitions. [2024-11-08 15:11:34,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 15:11:34,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:34,306 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:34,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 15:11:34,306 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:34,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:34,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1095751515, now seen corresponding path program 2 times [2024-11-08 15:11:34,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:34,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824145799] [2024-11-08 15:11:34,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:34,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:34,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:34,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:34,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:34,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:34,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:34,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:11:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:34,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 15:11:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:34,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 15:11:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:34,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:11:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:34,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:11:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:34,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:11:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:34,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:11:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:34,564 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 15:11:34,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:34,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824145799] [2024-11-08 15:11:34,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824145799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:34,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:34,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:11:34,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879524574] [2024-11-08 15:11:34,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:34,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:11:34,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:34,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:11:34,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:11:34,566 INFO L87 Difference]: Start difference. First operand 445 states and 697 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-08 15:11:37,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:37,230 INFO L93 Difference]: Finished difference Result 1032 states and 1638 transitions. [2024-11-08 15:11:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:11:37,230 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 111 [2024-11-08 15:11:37,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:37,235 INFO L225 Difference]: With dead ends: 1032 [2024-11-08 15:11:37,235 INFO L226 Difference]: Without dead ends: 614 [2024-11-08 15:11:37,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:11:37,237 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1222 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 4723 mSolverCounterSat, 386 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1223 SdHoareTripleChecker+Valid, 1856 SdHoareTripleChecker+Invalid, 5109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 386 IncrementalHoareTripleChecker+Valid, 4723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:37,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1223 Valid, 1856 Invalid, 5109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [386 Valid, 4723 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 15:11:37,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-08 15:11:37,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 447. [2024-11-08 15:11:37,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 350 states have (on average 1.5714285714285714) internal successors, (550), 358 states have internal predecessors, (550), 71 states have call successors, (71), 21 states have call predecessors, (71), 25 states have return successors, (82), 69 states have call predecessors, (82), 70 states have call successors, (82) [2024-11-08 15:11:37,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 703 transitions. [2024-11-08 15:11:37,271 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 703 transitions. Word has length 111 [2024-11-08 15:11:37,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:37,271 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 703 transitions. [2024-11-08 15:11:37,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-08 15:11:37,272 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 703 transitions. [2024-11-08 15:11:37,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-08 15:11:37,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:37,274 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:37,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 15:11:37,275 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:37,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:37,275 INFO L85 PathProgramCache]: Analyzing trace with hash -628108700, now seen corresponding path program 1 times [2024-11-08 15:11:37,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:37,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245410235] [2024-11-08 15:11:37,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:37,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:11:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:11:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 15:11:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:11:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:11:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:11:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:11:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,422 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:11:37,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:37,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245410235] [2024-11-08 15:11:37,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245410235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:11:37,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802845192] [2024-11-08 15:11:37,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:37,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:11:37,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:11:37,424 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:11:37,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 15:11:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:37,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:11:37,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:11:37,724 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:11:37,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:11:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:11:37,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802845192] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:11:37,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:11:37,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-08 15:11:37,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661533773] [2024-11-08 15:11:37,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:11:37,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 15:11:37,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:37,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 15:11:37,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:11:37,808 INFO L87 Difference]: Start difference. First operand 447 states and 703 transitions. Second operand has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 15:11:39,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:39,802 INFO L93 Difference]: Finished difference Result 1234 states and 2031 transitions. [2024-11-08 15:11:39,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:11:39,803 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 112 [2024-11-08 15:11:39,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:39,809 INFO L225 Difference]: With dead ends: 1234 [2024-11-08 15:11:39,809 INFO L226 Difference]: Without dead ends: 1056 [2024-11-08 15:11:39,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:11:39,812 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 1742 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 2454 mSolverCounterSat, 542 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 2996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 542 IncrementalHoareTripleChecker+Valid, 2454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:39,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 1726 Invalid, 2996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [542 Valid, 2454 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 15:11:39,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-08 15:11:39,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 865. [2024-11-08 15:11:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 689 states have (on average 1.629898403483309) internal successors, (1123), 697 states have internal predecessors, (1123), 150 states have call successors, (150), 21 states have call predecessors, (150), 25 states have return successors, (171), 148 states have call predecessors, (171), 149 states have call successors, (171) [2024-11-08 15:11:39,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1444 transitions. [2024-11-08 15:11:39,861 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1444 transitions. Word has length 112 [2024-11-08 15:11:39,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:39,861 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1444 transitions. [2024-11-08 15:11:39,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 15:11:39,861 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1444 transitions. [2024-11-08 15:11:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 15:11:39,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:39,866 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:39,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 15:11:40,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:11:40,067 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:40,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:40,068 INFO L85 PathProgramCache]: Analyzing trace with hash 394224551, now seen corresponding path program 1 times [2024-11-08 15:11:40,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:40,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541482181] [2024-11-08 15:11:40,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:40,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:40,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:40,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:40,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:40,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:40,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:40,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:11:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:40,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 15:11:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:40,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:11:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:40,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:11:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:40,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:11:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:40,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:11:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:40,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 15:11:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:11:40,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:40,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541482181] [2024-11-08 15:11:40,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541482181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:40,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:40,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:11:40,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798900589] [2024-11-08 15:11:40,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:40,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:11:40,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:40,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:11:40,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:11:40,237 INFO L87 Difference]: Start difference. First operand 865 states and 1444 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:41,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:41,774 INFO L93 Difference]: Finished difference Result 2252 states and 3832 transitions. [2024-11-08 15:11:41,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:11:41,775 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-11-08 15:11:41,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:41,786 INFO L225 Difference]: With dead ends: 2252 [2024-11-08 15:11:41,786 INFO L226 Difference]: Without dead ends: 1455 [2024-11-08 15:11:41,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:11:41,791 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 1357 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 1580 mSolverCounterSat, 464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 2044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 464 IncrementalHoareTripleChecker+Valid, 1580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:41,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1376 Valid, 995 Invalid, 2044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [464 Valid, 1580 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 15:11:41,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2024-11-08 15:11:41,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1280. [2024-11-08 15:11:41,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 1025 states have (on average 1.641951219512195) internal successors, (1683), 1033 states have internal predecessors, (1683), 229 states have call successors, (229), 21 states have call predecessors, (229), 25 states have return successors, (260), 227 states have call predecessors, (260), 228 states have call successors, (260) [2024-11-08 15:11:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 2172 transitions. [2024-11-08 15:11:41,888 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 2172 transitions. Word has length 118 [2024-11-08 15:11:41,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:41,888 INFO L471 AbstractCegarLoop]: Abstraction has 1280 states and 2172 transitions. [2024-11-08 15:11:41,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 2172 transitions. [2024-11-08 15:11:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 15:11:41,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:41,895 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:41,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 15:11:41,895 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:41,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:41,896 INFO L85 PathProgramCache]: Analyzing trace with hash 881875999, now seen corresponding path program 1 times [2024-11-08 15:11:41,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:41,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226391862] [2024-11-08 15:11:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:41,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:41,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:41,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:41,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:41,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:41,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:41,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:11:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:41,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 15:11:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:41,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:11:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:41,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:11:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:41,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:11:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:41,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:11:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:42,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 15:11:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:42,003 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:11:42,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:42,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226391862] [2024-11-08 15:11:42,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226391862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:42,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:42,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:11:42,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751217595] [2024-11-08 15:11:42,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:42,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:11:42,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:42,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:11:42,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:11:42,005 INFO L87 Difference]: Start difference. First operand 1280 states and 2172 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:43,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:43,430 INFO L93 Difference]: Finished difference Result 3266 states and 5610 transitions. [2024-11-08 15:11:43,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:11:43,431 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-11-08 15:11:43,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:43,442 INFO L225 Difference]: With dead ends: 3266 [2024-11-08 15:11:43,442 INFO L226 Difference]: Without dead ends: 2107 [2024-11-08 15:11:43,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:11:43,446 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1353 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1371 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:43,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1371 Valid, 987 Invalid, 2043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [460 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 15:11:43,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2107 states. [2024-11-08 15:11:43,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2107 to 1932. [2024-11-08 15:11:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1932 states, 1558 states have (on average 1.649550706033376) internal successors, (2570), 1566 states have internal predecessors, (2570), 348 states have call successors, (348), 21 states have call predecessors, (348), 25 states have return successors, (379), 346 states have call predecessors, (379), 347 states have call successors, (379) [2024-11-08 15:11:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1932 states and 3297 transitions. [2024-11-08 15:11:43,533 INFO L78 Accepts]: Start accepts. Automaton has 1932 states and 3297 transitions. Word has length 119 [2024-11-08 15:11:43,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:43,534 INFO L471 AbstractCegarLoop]: Abstraction has 1932 states and 3297 transitions. [2024-11-08 15:11:43,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:43,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 3297 transitions. [2024-11-08 15:11:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 15:11:43,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:43,544 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:43,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 15:11:43,544 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:43,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:43,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1047346939, now seen corresponding path program 1 times [2024-11-08 15:11:43,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:43,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087826285] [2024-11-08 15:11:43,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:43,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:43,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:43,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:43,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:43,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:43,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:43,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:11:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:43,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 15:11:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:43,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:11:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:43,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:11:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:43,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 15:11:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:43,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 15:11:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:43,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:11:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:11:43,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:43,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087826285] [2024-11-08 15:11:43,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087826285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:43,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:43,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:11:43,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118597077] [2024-11-08 15:11:43,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:43,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:11:43,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:43,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:11:43,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:11:43,662 INFO L87 Difference]: Start difference. First operand 1932 states and 3297 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:45,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:45,200 INFO L93 Difference]: Finished difference Result 4796 states and 8312 transitions. [2024-11-08 15:11:45,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:11:45,201 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-11-08 15:11:45,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:45,220 INFO L225 Difference]: With dead ends: 4796 [2024-11-08 15:11:45,220 INFO L226 Difference]: Without dead ends: 3110 [2024-11-08 15:11:45,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:11:45,227 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1352 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1371 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:45,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1371 Valid, 979 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [460 Valid, 1558 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 15:11:45,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3110 states. [2024-11-08 15:11:45,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3110 to 2935. [2024-11-08 15:11:45,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2935 states, 2399 states have (on average 1.6556898707794914) internal successors, (3972), 2407 states have internal predecessors, (3972), 510 states have call successors, (510), 21 states have call predecessors, (510), 25 states have return successors, (557), 508 states have call predecessors, (557), 509 states have call successors, (557) [2024-11-08 15:11:45,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2935 states and 5039 transitions. [2024-11-08 15:11:45,358 INFO L78 Accepts]: Start accepts. Automaton has 2935 states and 5039 transitions. Word has length 120 [2024-11-08 15:11:45,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:45,358 INFO L471 AbstractCegarLoop]: Abstraction has 2935 states and 5039 transitions. [2024-11-08 15:11:45,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:45,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 5039 transitions. [2024-11-08 15:11:45,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 15:11:45,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:45,371 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:45,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 15:11:45,372 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:45,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:45,372 INFO L85 PathProgramCache]: Analyzing trace with hash 792293982, now seen corresponding path program 1 times [2024-11-08 15:11:45,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:45,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163324820] [2024-11-08 15:11:45,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:45,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:45,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:45,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:45,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:45,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:45,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:45,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:11:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:45,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 15:11:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:45,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:11:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:45,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:11:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:45,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:11:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:45,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:11:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:45,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:11:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:45,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:11:45,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:45,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163324820] [2024-11-08 15:11:45,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163324820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:45,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:45,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:11:45,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946663415] [2024-11-08 15:11:45,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:45,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:11:45,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:45,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:11:45,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:11:45,514 INFO L87 Difference]: Start difference. First operand 2935 states and 5039 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:47,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:47,014 INFO L93 Difference]: Finished difference Result 7220 states and 12601 transitions. [2024-11-08 15:11:47,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:11:47,014 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2024-11-08 15:11:47,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:47,041 INFO L225 Difference]: With dead ends: 7220 [2024-11-08 15:11:47,041 INFO L226 Difference]: Without dead ends: 4735 [2024-11-08 15:11:47,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:11:47,052 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1346 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 2047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:47,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 981 Invalid, 2047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 1610 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 15:11:47,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4735 states. [2024-11-08 15:11:47,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4735 to 4560. [2024-11-08 15:11:47,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4560 states, 3779 states have (on average 1.6599629531622122) internal successors, (6273), 3787 states have internal predecessors, (6273), 755 states have call successors, (755), 21 states have call predecessors, (755), 25 states have return successors, (828), 753 states have call predecessors, (828), 754 states have call successors, (828) [2024-11-08 15:11:47,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4560 states to 4560 states and 7856 transitions. [2024-11-08 15:11:47,279 INFO L78 Accepts]: Start accepts. Automaton has 4560 states and 7856 transitions. Word has length 121 [2024-11-08 15:11:47,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:47,280 INFO L471 AbstractCegarLoop]: Abstraction has 4560 states and 7856 transitions. [2024-11-08 15:11:47,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:47,280 INFO L276 IsEmpty]: Start isEmpty. Operand 4560 states and 7856 transitions. [2024-11-08 15:11:47,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-08 15:11:47,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:47,293 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:47,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 15:11:47,293 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:47,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:47,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1500097655, now seen corresponding path program 1 times [2024-11-08 15:11:47,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:47,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985024666] [2024-11-08 15:11:47,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:47,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:47,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:47,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:47,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:47,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:47,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:47,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:11:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:47,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 15:11:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:47,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:11:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:47,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 15:11:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:47,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:11:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:47,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:11:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:47,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:11:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:11:47,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:47,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985024666] [2024-11-08 15:11:47,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985024666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:47,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:47,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:11:47,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380610202] [2024-11-08 15:11:47,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:47,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:11:47,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:47,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:11:47,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:11:47,403 INFO L87 Difference]: Start difference. First operand 4560 states and 7856 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:48,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:48,892 INFO L93 Difference]: Finished difference Result 11266 states and 19761 transitions. [2024-11-08 15:11:48,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:11:48,892 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2024-11-08 15:11:48,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:48,942 INFO L225 Difference]: With dead ends: 11266 [2024-11-08 15:11:48,946 INFO L226 Difference]: Without dead ends: 7468 [2024-11-08 15:11:48,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:11:48,961 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 1347 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 1641 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 1641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:48,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 1036 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 1641 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 15:11:48,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7468 states. [2024-11-08 15:11:49,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7468 to 7293. [2024-11-08 15:11:49,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7293 states, 6019 states have (on average 1.657750456886526) internal successors, (9978), 6027 states have internal predecessors, (9978), 1248 states have call successors, (1248), 21 states have call predecessors, (1248), 25 states have return successors, (1365), 1246 states have call predecessors, (1365), 1247 states have call successors, (1365) [2024-11-08 15:11:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7293 states to 7293 states and 12591 transitions. [2024-11-08 15:11:49,312 INFO L78 Accepts]: Start accepts. Automaton has 7293 states and 12591 transitions. Word has length 122 [2024-11-08 15:11:49,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:49,312 INFO L471 AbstractCegarLoop]: Abstraction has 7293 states and 12591 transitions. [2024-11-08 15:11:49,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:49,313 INFO L276 IsEmpty]: Start isEmpty. Operand 7293 states and 12591 transitions. [2024-11-08 15:11:49,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-08 15:11:49,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:49,329 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:49,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 15:11:49,329 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:49,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:49,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1030468570, now seen corresponding path program 1 times [2024-11-08 15:11:49,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:49,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888918135] [2024-11-08 15:11:49,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:49,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:49,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:49,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:49,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:49,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:49,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:49,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:11:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:49,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:11:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:49,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:11:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:49,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 15:11:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:49,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:11:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:49,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:11:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:49,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:11:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:49,428 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:11:49,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:49,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888918135] [2024-11-08 15:11:49,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888918135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:49,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:49,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:11:49,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433402580] [2024-11-08 15:11:49,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:49,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:11:49,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:49,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:11:49,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:11:49,430 INFO L87 Difference]: Start difference. First operand 7293 states and 12591 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:50,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:50,985 INFO L93 Difference]: Finished difference Result 18601 states and 32645 transitions. [2024-11-08 15:11:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:11:50,986 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2024-11-08 15:11:50,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:51,034 INFO L225 Difference]: With dead ends: 18601 [2024-11-08 15:11:51,034 INFO L226 Difference]: Without dead ends: 12447 [2024-11-08 15:11:51,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:11:51,059 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1346 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 2054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 452 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:51,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 1021 Invalid, 2054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [452 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 15:11:51,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12447 states. [2024-11-08 15:11:51,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12447 to 12272. [2024-11-08 15:11:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12272 states, 10176 states have (on average 1.657625786163522) internal successors, (16868), 10184 states have internal predecessors, (16868), 2070 states have call successors, (2070), 21 states have call predecessors, (2070), 25 states have return successors, (2265), 2068 states have call predecessors, (2265), 2069 states have call successors, (2265) [2024-11-08 15:11:51,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12272 states to 12272 states and 21203 transitions. [2024-11-08 15:11:51,564 INFO L78 Accepts]: Start accepts. Automaton has 12272 states and 21203 transitions. Word has length 123 [2024-11-08 15:11:51,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:51,564 INFO L471 AbstractCegarLoop]: Abstraction has 12272 states and 21203 transitions. [2024-11-08 15:11:51,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 12272 states and 21203 transitions. [2024-11-08 15:11:51,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-08 15:11:51,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:51,587 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:51,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 15:11:51,588 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:51,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:51,588 INFO L85 PathProgramCache]: Analyzing trace with hash -568781541, now seen corresponding path program 1 times [2024-11-08 15:11:51,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:51,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991259443] [2024-11-08 15:11:51,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:51,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:51,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:51,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:51,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:51,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:51,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:51,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:11:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:51,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:11:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:51,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 15:11:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:51,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:11:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:51,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:11:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:51,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:11:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:51,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:11:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:11:51,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:51,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991259443] [2024-11-08 15:11:51,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991259443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:51,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:51,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:11:51,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76596650] [2024-11-08 15:11:51,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:51,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:11:51,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:51,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:11:51,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:11:51,769 INFO L87 Difference]: Start difference. First operand 12272 states and 21203 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:53,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:53,409 INFO L93 Difference]: Finished difference Result 29559 states and 51610 transitions. [2024-11-08 15:11:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:11:53,410 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2024-11-08 15:11:53,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:53,494 INFO L225 Difference]: With dead ends: 29559 [2024-11-08 15:11:53,494 INFO L226 Difference]: Without dead ends: 19400 [2024-11-08 15:11:53,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:11:53,531 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1345 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 2031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:53,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 954 Invalid, 2031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 1573 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 15:11:53,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19400 states. [2024-11-08 15:11:54,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19400 to 19225. [2024-11-08 15:11:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19225 states, 15926 states have (on average 1.633178450332789) internal successors, (26010), 15934 states have internal predecessors, (26010), 3273 states have call successors, (3273), 21 states have call predecessors, (3273), 25 states have return successors, (3612), 3271 states have call predecessors, (3612), 3272 states have call successors, (3612) [2024-11-08 15:11:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19225 states to 19225 states and 32895 transitions. [2024-11-08 15:11:54,486 INFO L78 Accepts]: Start accepts. Automaton has 19225 states and 32895 transitions. Word has length 124 [2024-11-08 15:11:54,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:54,487 INFO L471 AbstractCegarLoop]: Abstraction has 19225 states and 32895 transitions. [2024-11-08 15:11:54,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 19225 states and 32895 transitions. [2024-11-08 15:11:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 15:11:54,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:54,512 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:54,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 15:11:54,512 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:54,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:54,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1668476153, now seen corresponding path program 1 times [2024-11-08 15:11:54,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:54,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531233657] [2024-11-08 15:11:54,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:54,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:54,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:54,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:54,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:54,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:54,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:54,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:11:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:54,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:11:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:54,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 15:11:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:54,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 15:11:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:54,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:11:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:54,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 15:11:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:54,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:11:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:11:54,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:54,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531233657] [2024-11-08 15:11:54,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531233657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:54,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:54,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:11:54,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455253942] [2024-11-08 15:11:54,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:54,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:11:54,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:54,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:11:54,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:11:54,707 INFO L87 Difference]: Start difference. First operand 19225 states and 32895 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:56,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:11:56,631 INFO L93 Difference]: Finished difference Result 50991 states and 88730 transitions. [2024-11-08 15:11:56,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:11:56,632 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2024-11-08 15:11:56,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:11:56,780 INFO L225 Difference]: With dead ends: 50991 [2024-11-08 15:11:56,780 INFO L226 Difference]: Without dead ends: 34521 [2024-11-08 15:11:56,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:11:56,841 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1341 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1582 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1359 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 2051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 1582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:11:56,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1359 Valid, 982 Invalid, 2051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 1582 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 15:11:56,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34521 states. [2024-11-08 15:11:58,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34521 to 34346. [2024-11-08 15:11:58,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34346 states, 28597 states have (on average 1.6299961534426688) internal successors, (46613), 28605 states have internal predecessors, (46613), 5723 states have call successors, (5723), 21 states have call predecessors, (5723), 25 states have return successors, (6336), 5721 states have call predecessors, (6336), 5722 states have call successors, (6336) [2024-11-08 15:11:58,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34346 states to 34346 states and 58672 transitions. [2024-11-08 15:11:58,599 INFO L78 Accepts]: Start accepts. Automaton has 34346 states and 58672 transitions. Word has length 125 [2024-11-08 15:11:58,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:11:58,601 INFO L471 AbstractCegarLoop]: Abstraction has 34346 states and 58672 transitions. [2024-11-08 15:11:58,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:11:58,602 INFO L276 IsEmpty]: Start isEmpty. Operand 34346 states and 58672 transitions. [2024-11-08 15:11:58,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 15:11:58,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:11:58,627 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:11:58,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 15:11:58,628 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:11:58,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:11:58,628 INFO L85 PathProgramCache]: Analyzing trace with hash 736334849, now seen corresponding path program 1 times [2024-11-08 15:11:58,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:11:58,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150360398] [2024-11-08 15:11:58,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:11:58,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:11:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:58,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:11:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:58,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:11:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:58,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:11:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:58,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:11:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:58,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:11:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:58,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:11:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:58,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:11:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:58,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 15:11:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:58,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 15:11:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:58,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:11:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:58,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 15:11:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:58,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 15:11:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:11:58,762 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:11:58,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:11:58,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150360398] [2024-11-08 15:11:58,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150360398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:11:58,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:11:58,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:11:58,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265288436] [2024-11-08 15:11:58,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:11:58,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:11:58,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:11:58,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:11:58,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:11:58,766 INFO L87 Difference]: Start difference. First operand 34346 states and 58672 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:12:01,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:12:01,730 INFO L93 Difference]: Finished difference Result 93863 states and 162524 transitions. [2024-11-08 15:12:01,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:12:01,731 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2024-11-08 15:12:01,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:12:02,010 INFO L225 Difference]: With dead ends: 93863 [2024-11-08 15:12:02,010 INFO L226 Difference]: Without dead ends: 63188 [2024-11-08 15:12:02,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:12:02,098 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1339 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 1616 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1357 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 2060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 1616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:12:02,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1357 Valid, 1017 Invalid, 2060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [444 Valid, 1616 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 15:12:02,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63188 states. [2024-11-08 15:12:04,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63188 to 63013. [2024-11-08 15:12:04,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63013 states, 52751 states have (on average 1.625826998540312) internal successors, (85764), 52759 states have internal predecessors, (85764), 10236 states have call successors, (10236), 21 states have call predecessors, (10236), 25 states have return successors, (11381), 10234 states have call predecessors, (11381), 10235 states have call successors, (11381) [2024-11-08 15:12:04,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63013 states to 63013 states and 107381 transitions. [2024-11-08 15:12:04,864 INFO L78 Accepts]: Start accepts. Automaton has 63013 states and 107381 transitions. Word has length 126 [2024-11-08 15:12:04,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:12:04,864 INFO L471 AbstractCegarLoop]: Abstraction has 63013 states and 107381 transitions. [2024-11-08 15:12:04,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:12:04,864 INFO L276 IsEmpty]: Start isEmpty. Operand 63013 states and 107381 transitions. [2024-11-08 15:12:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 15:12:04,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:12:04,891 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:12:04,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 15:12:04,891 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:12:04,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:12:04,891 INFO L85 PathProgramCache]: Analyzing trace with hash -164365415, now seen corresponding path program 1 times [2024-11-08 15:12:04,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:12:04,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400371875] [2024-11-08 15:12:04,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:12:04,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:12:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:04,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:12:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:04,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:12:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:04,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:12:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:05,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:12:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:05,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:12:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:05,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:12:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:05,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:12:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:05,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:12:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:05,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:12:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:05,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:12:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:05,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:12:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:05,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:12:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:05,290 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:12:05,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:12:05,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400371875] [2024-11-08 15:12:05,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400371875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:12:05,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:12:05,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:12:05,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521213852] [2024-11-08 15:12:05,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:12:05,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:12:05,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:12:05,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:12:05,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:12:05,295 INFO L87 Difference]: Start difference. First operand 63013 states and 107381 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:12:08,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:12:08,840 INFO L93 Difference]: Finished difference Result 118239 states and 205158 transitions. [2024-11-08 15:12:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:12:08,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 127 [2024-11-08 15:12:08,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:12:09,360 INFO L225 Difference]: With dead ends: 118239 [2024-11-08 15:12:09,361 INFO L226 Difference]: Without dead ends: 118061 [2024-11-08 15:12:09,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:12:09,410 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1336 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1354 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 454 IncrementalHoareTripleChecker+Valid, 1589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:12:09,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1354 Valid, 1020 Invalid, 2043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [454 Valid, 1589 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 15:12:09,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118061 states. [2024-11-08 15:12:13,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118061 to 117886. [2024-11-08 15:12:13,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117886 states, 99256 states have (on average 1.6206073184492624) internal successors, (160855), 99264 states have internal predecessors, (160855), 18604 states have call successors, (18604), 21 states have call predecessors, (18604), 25 states have return successors, (20795), 18602 states have call predecessors, (20795), 18603 states have call successors, (20795) [2024-11-08 15:12:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117886 states to 117886 states and 200254 transitions. [2024-11-08 15:12:14,454 INFO L78 Accepts]: Start accepts. Automaton has 117886 states and 200254 transitions. Word has length 127 [2024-11-08 15:12:14,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:12:14,455 INFO L471 AbstractCegarLoop]: Abstraction has 117886 states and 200254 transitions. [2024-11-08 15:12:14,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 15:12:14,455 INFO L276 IsEmpty]: Start isEmpty. Operand 117886 states and 200254 transitions. [2024-11-08 15:12:14,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 15:12:14,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:12:14,484 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:12:14,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 15:12:14,485 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:12:14,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:12:14,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1614008734, now seen corresponding path program 1 times [2024-11-08 15:12:14,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:12:14,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307200513] [2024-11-08 15:12:14,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:12:14,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:12:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:14,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:12:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:14,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:12:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:14,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:12:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:14,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:12:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:14,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:12:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:14,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:12:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:14,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:12:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:14,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:12:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:14,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:12:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:14,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:12:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:14,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:12:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:14,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:12:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:12:14,869 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:12:14,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:12:14,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307200513] [2024-11-08 15:12:14,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307200513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:12:14,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:12:14,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 15:12:14,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623063398] [2024-11-08 15:12:14,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:12:14,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 15:12:14,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:12:14,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 15:12:14,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-11-08 15:12:14,871 INFO L87 Difference]: Start difference. First operand 117886 states and 200254 transitions. Second operand has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 10 states have internal predecessors, (88), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-08 15:12:25,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:12:25,249 INFO L93 Difference]: Finished difference Result 235352 states and 411767 transitions. [2024-11-08 15:12:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-08 15:12:25,249 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 10 states have internal predecessors, (88), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 128 [2024-11-08 15:12:25,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted.