./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product29.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 3d972cfbd720871733ec5c68c499418657e5e73014fcfa137b0a1c37f3300ef7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 21:58:29,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 21:58:29,682 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 21:58:29,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 21:58:29,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 21:58:29,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 21:58:29,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 21:58:29,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 21:58:29,703 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 21:58:29,704 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 21:58:29,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 21:58:29,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 21:58:29,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 21:58:29,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 21:58:29,707 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 21:58:29,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 21:58:29,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 21:58:29,708 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 21:58:29,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 21:58:29,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 21:58:29,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 21:58:29,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 21:58:29,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 21:58:29,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 21:58:29,711 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 21:58:29,711 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 21:58:29,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 21:58:29,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 21:58:29,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 21:58:29,712 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 21:58:29,712 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 21:58:29,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 21:58:29,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 21:58:29,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 21:58:29,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 21:58:29,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 21:58:29,713 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 21:58:29,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 21:58:29,713 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 21:58:29,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 21:58:29,714 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 21:58:29,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 21:58:29,715 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d972cfbd720871733ec5c68c499418657e5e73014fcfa137b0a1c37f3300ef7 [2024-11-19 21:58:29,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 21:58:29,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 21:58:29,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 21:58:29,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 21:58:29,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 21:58:29,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product29.cil.c [2024-11-19 21:58:31,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 21:58:31,345 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 21:58:31,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product29.cil.c [2024-11-19 21:58:31,367 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d89c012/4f786a7c7b98405e92f05c5a12b90ee8/FLAG1bcf69e30 [2024-11-19 21:58:31,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d89c012/4f786a7c7b98405e92f05c5a12b90ee8 [2024-11-19 21:58:31,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 21:58:31,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 21:58:31,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 21:58:31,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 21:58:31,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 21:58:31,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:31,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4f53be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31, skipping insertion in model container [2024-11-19 21:58:31,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:31,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 21:58:31,807 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_spec6_product29.cil.c[42927,42940] [2024-11-19 21:58:31,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 21:58:31,863 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 21:58:31,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-19 21:58:31,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [368] [2024-11-19 21:58:31,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [734] [2024-11-19 21:58:31,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [785] [2024-11-19 21:58:31,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1854] [2024-11-19 21:58:31,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1863] [2024-11-19 21:58:31,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2079] [2024-11-19 21:58:31,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2096] [2024-11-19 21:58:31,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2131] [2024-11-19 21:58:31,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2277] [2024-11-19 21:58:31,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2679] [2024-11-19 21:58:31,920 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_spec6_product29.cil.c[42927,42940] [2024-11-19 21:58:31,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 21:58:31,978 INFO L204 MainTranslator]: Completed translation [2024-11-19 21:58:31,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31 WrapperNode [2024-11-19 21:58:31,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 21:58:31,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 21:58:31,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 21:58:31,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 21:58:31,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:32,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:32,050 INFO L138 Inliner]: procedures = 132, calls = 216, calls flagged for inlining = 56, calls inlined = 48, statements flattened = 950 [2024-11-19 21:58:32,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 21:58:32,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 21:58:32,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 21:58:32,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 21:58:32,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:32,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:32,071 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:32,091 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]. [2024-11-19 21:58:32,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:32,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:32,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:32,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:32,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:32,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:32,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 21:58:32,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 21:58:32,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 21:58:32,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 21:58:32,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31" (1/1) ... [2024-11-19 21:58:32,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 21:58:32,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:58:32,166 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) [2024-11-19 21:58:32,168 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 [2024-11-19 21:58:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-19 21:58:32,201 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-19 21:58:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-19 21:58:32,201 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-19 21:58:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-19 21:58:32,201 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-19 21:58:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-19 21:58:32,201 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-19 21:58:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-19 21:58:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-19 21:58:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-19 21:58:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-19 21:58:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-19 21:58:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-19 21:58:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-19 21:58:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-19 21:58:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-19 21:58:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-19 21:58:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-19 21:58:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-19 21:58:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-19 21:58:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-19 21:58:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-19 21:58:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-19 21:58:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-19 21:58:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-19 21:58:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-19 21:58:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-19 21:58:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 21:58:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-19 21:58:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-19 21:58:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-19 21:58:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-19 21:58:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-19 21:58:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-19 21:58:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-19 21:58:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-19 21:58:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-19 21:58:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-19 21:58:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-19 21:58:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-19 21:58:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-19 21:58:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-19 21:58:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-19 21:58:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-19 21:58:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-19 21:58:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-19 21:58:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-19 21:58:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-19 21:58:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-19 21:58:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-19 21:58:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-19 21:58:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-19 21:58:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 21:58:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 21:58:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 21:58:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 21:58:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-19 21:58:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-19 21:58:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-19 21:58:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-19 21:58:32,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 21:58:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 21:58:32,348 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 21:58:32,350 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 21:58:33,086 INFO L? ?]: Removed 507 outVars from TransFormulas that were not future-live. [2024-11-19 21:58:33,087 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 21:58:33,112 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 21:58:33,112 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 21:58:33,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:58:33 BoogieIcfgContainer [2024-11-19 21:58:33,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 21:58:33,114 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 21:58:33,114 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 21:58:33,117 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 21:58:33,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:58:31" (1/3) ... [2024-11-19 21:58:33,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114818c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:58:33, skipping insertion in model container [2024-11-19 21:58:33,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:31" (2/3) ... [2024-11-19 21:58:33,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114818c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:58:33, skipping insertion in model container [2024-11-19 21:58:33,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:58:33" (3/3) ... [2024-11-19 21:58:33,119 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product29.cil.c [2024-11-19 21:58:33,132 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 21:58:33,132 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 21:58:33,195 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 21:58:33,200 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;@6f42e4d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 21:58:33,201 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 21:58:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 413 states, 318 states have (on average 1.550314465408805) internal successors, (493), 323 states have internal predecessors, (493), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-19 21:58:33,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-19 21:58:33,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:33,231 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:33,231 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:33,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:33,236 INFO L85 PathProgramCache]: Analyzing trace with hash 2052600495, now seen corresponding path program 1 times [2024-11-19 21:58:33,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:33,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277208546] [2024-11-19 21:58:33,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:33,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:58:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:58:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:58:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-19 21:58:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-19 21:58:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:58:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 21:58:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:58:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:58:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:58:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:58:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:58:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 21:58:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-19 21:58:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 21:58:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-19 21:58:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-19 21:58:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-19 21:58:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:58:33,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:33,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277208546] [2024-11-19 21:58:33,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277208546] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:58:33,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625549096] [2024-11-19 21:58:33,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:33,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:58:33,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:58:33,890 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) [2024-11-19 21:58:33,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 21:58:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 21:58:34,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:58:34,187 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-19 21:58:34,191 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:58:34,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625549096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:34,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:58:34,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-19 21:58:34,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240580964] [2024-11-19 21:58:34,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:34,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 21:58:34,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:34,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 21:58:34,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:58:34,223 INFO L87 Difference]: Start difference. First operand has 413 states, 318 states have (on average 1.550314465408805) internal successors, (493), 323 states have internal predecessors, (493), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 21:58:34,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:34,290 INFO L93 Difference]: Finished difference Result 638 states and 944 transitions. [2024-11-19 21:58:34,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 21:58:34,292 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 154 [2024-11-19 21:58:34,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:34,306 INFO L225 Difference]: With dead ends: 638 [2024-11-19 21:58:34,306 INFO L226 Difference]: Without dead ends: 406 [2024-11-19 21:58:34,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:58:34,315 INFO L432 NwaCegarLoop]: 619 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, 619 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 [2024-11-19 21:58:34,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:58:34,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-19 21:58:34,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2024-11-19 21:58:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 312 states have (on average 1.544871794871795) internal successors, (482), 316 states have internal predecessors, (482), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-19 21:58:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 611 transitions. [2024-11-19 21:58:34,384 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 611 transitions. Word has length 154 [2024-11-19 21:58:34,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:34,385 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 611 transitions. [2024-11-19 21:58:34,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 21:58:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 611 transitions. [2024-11-19 21:58:34,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-19 21:58:34,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:34,389 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:34,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 21:58:34,589 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 [2024-11-19 21:58:34,590 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:34,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:34,590 INFO L85 PathProgramCache]: Analyzing trace with hash 644928381, now seen corresponding path program 1 times [2024-11-19 21:58:34,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:34,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440466582] [2024-11-19 21:58:34,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:34,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:58:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:58:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:58:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-19 21:58:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-19 21:58:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 21:58:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 21:58:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 21:58:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 21:58:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:58:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 21:58:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 21:58:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-19 21:58:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-19 21:58:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:58:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:34,796 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:58:34,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:34,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440466582] [2024-11-19 21:58:34,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440466582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:58:34,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541553544] [2024-11-19 21:58:34,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:34,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:58:34,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:58:34,799 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) [2024-11-19 21:58:34,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 21:58:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 21:58:35,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:58:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-19 21:58:35,057 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:58:35,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541553544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:35,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:58:35,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 21:58:35,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938764933] [2024-11-19 21:58:35,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:35,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 21:58:35,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:35,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 21:58:35,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:58:35,069 INFO L87 Difference]: Start difference. First operand 406 states and 611 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:58:35,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:35,095 INFO L93 Difference]: Finished difference Result 628 states and 922 transitions. [2024-11-19 21:58:35,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 21:58:35,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 136 [2024-11-19 21:58:35,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:35,101 INFO L225 Difference]: With dead ends: 628 [2024-11-19 21:58:35,101 INFO L226 Difference]: Without dead ends: 409 [2024-11-19 21:58:35,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:58:35,105 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 1 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1216 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 [2024-11-19 21:58:35,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1216 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:58:35,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-19 21:58:35,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 408. [2024-11-19 21:58:35,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 314 states have (on average 1.5414012738853504) internal successors, (484), 318 states have internal predecessors, (484), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-19 21:58:35,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 613 transitions. [2024-11-19 21:58:35,135 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 613 transitions. Word has length 136 [2024-11-19 21:58:35,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:35,135 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 613 transitions. [2024-11-19 21:58:35,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:58:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 613 transitions. [2024-11-19 21:58:35,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-19 21:58:35,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:35,138 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:35,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 21:58:35,342 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 [2024-11-19 21:58:35,343 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:35,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:35,347 INFO L85 PathProgramCache]: Analyzing trace with hash -135938874, now seen corresponding path program 1 times [2024-11-19 21:58:35,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:35,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299707708] [2024-11-19 21:58:35,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:35,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:58:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:58:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:58:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-19 21:58:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 21:58:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-19 21:58:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:58:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 21:58:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:58:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 21:58:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:58:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 21:58:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-19 21:58:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:58:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-19 21:58:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-19 21:58:35,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:35,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299707708] [2024-11-19 21:58:35,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299707708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:58:35,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566423063] [2024-11-19 21:58:35,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:35,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:58:35,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:58:35,552 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) [2024-11-19 21:58:35,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 21:58:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:35,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 21:58:35,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:58:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-19 21:58:35,816 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:58:35,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566423063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:35,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:58:35,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 21:58:35,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866267354] [2024-11-19 21:58:35,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:35,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 21:58:35,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:35,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 21:58:35,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:58:35,819 INFO L87 Difference]: Start difference. First operand 408 states and 613 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:58:35,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:35,848 INFO L93 Difference]: Finished difference Result 859 states and 1310 transitions. [2024-11-19 21:58:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 21:58:35,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 142 [2024-11-19 21:58:35,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:35,851 INFO L225 Difference]: With dead ends: 859 [2024-11-19 21:58:35,851 INFO L226 Difference]: Without dead ends: 478 [2024-11-19 21:58:35,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:58:35,853 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 126 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1190 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 [2024-11-19 21:58:35,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1190 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:58:35,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-19 21:58:35,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 470. [2024-11-19 21:58:35,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 362 states have (on average 1.5607734806629834) internal successors, (565), 366 states have internal predecessors, (565), 79 states have call successors, (79), 28 states have call predecessors, (79), 28 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-19 21:58:35,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 722 transitions. [2024-11-19 21:58:35,872 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 722 transitions. Word has length 142 [2024-11-19 21:58:35,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:35,872 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 722 transitions. [2024-11-19 21:58:35,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:58:35,872 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 722 transitions. [2024-11-19 21:58:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-19 21:58:35,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:35,875 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:35,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 21:58:36,075 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 [2024-11-19 21:58:36,076 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:36,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:36,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1254018424, now seen corresponding path program 1 times [2024-11-19 21:58:36,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:36,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856373113] [2024-11-19 21:58:36,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:36,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:58:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:58:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:58:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 21:58:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-19 21:58:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 21:58:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:58:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 21:58:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:58:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:58:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 21:58:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 21:58:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-19 21:58:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:58:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-19 21:58:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-19 21:58:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 21:58:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-19 21:58:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,321 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-19 21:58:36,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:36,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856373113] [2024-11-19 21:58:36,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856373113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:58:36,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287004353] [2024-11-19 21:58:36,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:36,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:58:36,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:58:36,324 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) [2024-11-19 21:58:36,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 21:58:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:36,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 21:58:36,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:58:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-19 21:58:36,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:58:36,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287004353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:36,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:58:36,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-19 21:58:36,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918758414] [2024-11-19 21:58:36,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:36,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 21:58:36,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:36,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 21:58:36,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:58:36,645 INFO L87 Difference]: Start difference. First operand 470 states and 722 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-19 21:58:36,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:36,688 INFO L93 Difference]: Finished difference Result 931 states and 1434 transitions. [2024-11-19 21:58:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 21:58:36,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 162 [2024-11-19 21:58:36,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:36,691 INFO L225 Difference]: With dead ends: 931 [2024-11-19 21:58:36,691 INFO L226 Difference]: Without dead ends: 472 [2024-11-19 21:58:36,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:58:36,692 INFO L432 NwaCegarLoop]: 603 mSDtfsCounter, 2 mSDsluCounter, 1798 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2401 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 [2024-11-19 21:58:36,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2401 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:58:36,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-19 21:58:36,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2024-11-19 21:58:36,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 363 states have (on average 1.559228650137741) internal successors, (566), 368 states have internal predecessors, (566), 79 states have call successors, (79), 28 states have call predecessors, (79), 29 states have return successors, (80), 77 states have call predecessors, (80), 78 states have call successors, (80) [2024-11-19 21:58:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 725 transitions. [2024-11-19 21:58:36,720 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 725 transitions. Word has length 162 [2024-11-19 21:58:36,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:36,720 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 725 transitions. [2024-11-19 21:58:36,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-19 21:58:36,720 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 725 transitions. [2024-11-19 21:58:36,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-19 21:58:36,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:36,722 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:36,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 21:58:36,923 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 [2024-11-19 21:58:36,923 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:36,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:36,924 INFO L85 PathProgramCache]: Analyzing trace with hash 642123410, now seen corresponding path program 1 times [2024-11-19 21:58:36,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:36,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451454175] [2024-11-19 21:58:36,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:36,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-19 21:58:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 21:58:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-19 21:58:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:58:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 21:58:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 21:58:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 21:58:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 21:58:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:58:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:58:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 21:58:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 21:58:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-19 21:58:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-19 21:58:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-19 21:58:37,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:37,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451454175] [2024-11-19 21:58:37,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451454175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:58:37,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913509089] [2024-11-19 21:58:37,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:37,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:58:37,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:58:37,096 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) [2024-11-19 21:58:37,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 21:58:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 21:58:37,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:58:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-19 21:58:37,365 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:58:37,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913509089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:37,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:58:37,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-19 21:58:37,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985688707] [2024-11-19 21:58:37,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:37,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 21:58:37,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:37,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 21:58:37,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 21:58:37,366 INFO L87 Difference]: Start difference. First operand 472 states and 725 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:58:37,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:37,413 INFO L93 Difference]: Finished difference Result 933 states and 1439 transitions. [2024-11-19 21:58:37,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 21:58:37,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 144 [2024-11-19 21:58:37,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:37,416 INFO L225 Difference]: With dead ends: 933 [2024-11-19 21:58:37,416 INFO L226 Difference]: Without dead ends: 474 [2024-11-19 21:58:37,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 21:58:37,418 INFO L432 NwaCegarLoop]: 601 mSDtfsCounter, 2 mSDsluCounter, 1786 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2387 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 [2024-11-19 21:58:37,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2387 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:58:37,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-19 21:58:37,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2024-11-19 21:58:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 364 states have (on average 1.5576923076923077) internal successors, (567), 370 states have internal predecessors, (567), 79 states have call successors, (79), 28 states have call predecessors, (79), 30 states have return successors, (85), 77 states have call predecessors, (85), 78 states have call successors, (85) [2024-11-19 21:58:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 731 transitions. [2024-11-19 21:58:37,430 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 731 transitions. Word has length 144 [2024-11-19 21:58:37,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:37,430 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 731 transitions. [2024-11-19 21:58:37,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:58:37,431 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 731 transitions. [2024-11-19 21:58:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-19 21:58:37,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:37,433 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:37,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 21:58:37,633 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 [2024-11-19 21:58:37,634 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:37,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:37,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1349342641, now seen corresponding path program 1 times [2024-11-19 21:58:37,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:37,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324254184] [2024-11-19 21:58:37,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:37,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-19 21:58:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-19 21:58:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 21:58:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 21:58:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 21:58:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 21:58:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 21:58:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 21:58:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 21:58:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 21:58:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 21:58:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-19 21:58:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-19 21:58:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-19 21:58:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-19 21:58:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-19 21:58:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-19 21:58:37,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:37,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324254184] [2024-11-19 21:58:37,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324254184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:37,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:37,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 21:58:37,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939216406] [2024-11-19 21:58:37,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:37,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 21:58:37,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:37,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 21:58:37,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:58:37,826 INFO L87 Difference]: Start difference. First operand 474 states and 731 transitions. Second operand has 9 states, 8 states have (on average 12.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-19 21:58:39,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:39,530 INFO L93 Difference]: Finished difference Result 1032 states and 1610 transitions. [2024-11-19 21:58:39,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 21:58:39,531 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 164 [2024-11-19 21:58:39,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:39,534 INFO L225 Difference]: With dead ends: 1032 [2024-11-19 21:58:39,534 INFO L226 Difference]: Without dead ends: 581 [2024-11-19 21:58:39,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:58:39,535 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1358 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 2625 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1359 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 3066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 2625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:39,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1359 Valid, 1274 Invalid, 3066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 2625 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 21:58:39,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-19 21:58:39,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 474. [2024-11-19 21:58:39,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 364 states have (on average 1.5576923076923077) internal successors, (567), 370 states have internal predecessors, (567), 79 states have call successors, (79), 28 states have call predecessors, (79), 30 states have return successors, (84), 77 states have call predecessors, (84), 78 states have call successors, (84) [2024-11-19 21:58:39,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 730 transitions. [2024-11-19 21:58:39,572 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 730 transitions. Word has length 164 [2024-11-19 21:58:39,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:39,573 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 730 transitions. [2024-11-19 21:58:39,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-19 21:58:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 730 transitions. [2024-11-19 21:58:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-19 21:58:39,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:39,576 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:39,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 21:58:39,576 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:39,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:39,577 INFO L85 PathProgramCache]: Analyzing trace with hash 2092658185, now seen corresponding path program 1 times [2024-11-19 21:58:39,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:39,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639105201] [2024-11-19 21:58:39,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:39,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-19 21:58:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-19 21:58:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-19 21:58:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:58:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-19 21:58:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:58:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 21:58:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:58:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 21:58:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-19 21:58:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-19 21:58:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-19 21:58:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-19 21:58:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:39,786 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-19 21:58:39,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:39,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639105201] [2024-11-19 21:58:39,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639105201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:39,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:39,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 21:58:39,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366865118] [2024-11-19 21:58:39,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:39,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 21:58:39,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:39,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 21:58:39,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:58:39,788 INFO L87 Difference]: Start difference. First operand 474 states and 730 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:58:41,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:41,338 INFO L93 Difference]: Finished difference Result 1034 states and 1613 transitions. [2024-11-19 21:58:41,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 21:58:41,338 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 146 [2024-11-19 21:58:41,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:41,341 INFO L225 Difference]: With dead ends: 1034 [2024-11-19 21:58:41,342 INFO L226 Difference]: Without dead ends: 583 [2024-11-19 21:58:41,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:58:41,343 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1354 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 2618 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 3061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 2618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:41,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1355 Valid, 1274 Invalid, 3061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 2618 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 21:58:41,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-11-19 21:58:41,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 476. [2024-11-19 21:58:41,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 365 states have (on average 1.5561643835616439) internal successors, (568), 372 states have internal predecessors, (568), 79 states have call successors, (79), 28 states have call predecessors, (79), 31 states have return successors, (86), 77 states have call predecessors, (86), 78 states have call successors, (86) [2024-11-19 21:58:41,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 733 transitions. [2024-11-19 21:58:41,366 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 733 transitions. Word has length 146 [2024-11-19 21:58:41,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:41,366 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 733 transitions. [2024-11-19 21:58:41,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:58:41,366 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 733 transitions. [2024-11-19 21:58:41,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-19 21:58:41,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:41,368 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:41,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 21:58:41,368 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:41,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:41,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1984858551, now seen corresponding path program 1 times [2024-11-19 21:58:41,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:41,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830966523] [2024-11-19 21:58:41,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:41,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 21:58:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 21:58:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:58:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 21:58:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:58:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:58:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 21:58:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 21:58:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-19 21:58:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 21:58:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 21:58:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-19 21:58:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-19 21:58:41,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:41,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830966523] [2024-11-19 21:58:41,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830966523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:41,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:41,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 21:58:41,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285518099] [2024-11-19 21:58:41,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:41,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 21:58:41,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:41,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 21:58:41,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:58:41,589 INFO L87 Difference]: Start difference. First operand 476 states and 733 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-19 21:58:43,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:43,673 INFO L93 Difference]: Finished difference Result 1032 states and 1608 transitions. [2024-11-19 21:58:43,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 21:58:43,674 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 147 [2024-11-19 21:58:43,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:43,678 INFO L225 Difference]: With dead ends: 1032 [2024-11-19 21:58:43,678 INFO L226 Difference]: Without dead ends: 583 [2024-11-19 21:58:43,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-19 21:58:43,680 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1356 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 4462 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1357 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 4902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 4462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:43,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1357 Valid, 1768 Invalid, 4902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 4462 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 21:58:43,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-11-19 21:58:43,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 476. [2024-11-19 21:58:43,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 365 states have (on average 1.5561643835616439) internal successors, (568), 372 states have internal predecessors, (568), 79 states have call successors, (79), 28 states have call predecessors, (79), 31 states have return successors, (85), 77 states have call predecessors, (85), 78 states have call successors, (85) [2024-11-19 21:58:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 732 transitions. [2024-11-19 21:58:43,710 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 732 transitions. Word has length 147 [2024-11-19 21:58:43,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:43,710 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 732 transitions. [2024-11-19 21:58:43,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-19 21:58:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 732 transitions. [2024-11-19 21:58:43,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-19 21:58:43,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:43,712 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:43,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 21:58:43,712 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:43,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:43,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1962961480, now seen corresponding path program 1 times [2024-11-19 21:58:43,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:43,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007142393] [2024-11-19 21:58:43,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-19 21:58:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-19 21:58:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:58:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:58:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:58:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:58:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:58:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:58:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-19 21:58:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 21:58:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 21:58:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-19 21:58:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-19 21:58:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-19 21:58:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-19 21:58:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:43,921 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-19 21:58:43,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:43,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007142393] [2024-11-19 21:58:43,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007142393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:43,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:43,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 21:58:43,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073324719] [2024-11-19 21:58:43,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:43,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 21:58:43,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:43,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 21:58:43,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:58:43,922 INFO L87 Difference]: Start difference. First operand 476 states and 732 transitions. Second operand has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (24), 6 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-19 21:58:45,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:45,903 INFO L93 Difference]: Finished difference Result 1034 states and 1614 transitions. [2024-11-19 21:58:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 21:58:45,904 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (24), 6 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 167 [2024-11-19 21:58:45,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:45,907 INFO L225 Difference]: With dead ends: 1034 [2024-11-19 21:58:45,907 INFO L226 Difference]: Without dead ends: 585 [2024-11-19 21:58:45,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-19 21:58:45,909 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1350 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 4487 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 4919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 4487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:45,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 1768 Invalid, 4919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 4487 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-19 21:58:45,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-19 21:58:45,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 478. [2024-11-19 21:58:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 366 states have (on average 1.5546448087431695) internal successors, (569), 374 states have internal predecessors, (569), 79 states have call successors, (79), 28 states have call predecessors, (79), 32 states have return successors, (90), 77 states have call predecessors, (90), 78 states have call successors, (90) [2024-11-19 21:58:45,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 738 transitions. [2024-11-19 21:58:45,935 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 738 transitions. Word has length 167 [2024-11-19 21:58:45,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:45,938 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 738 transitions. [2024-11-19 21:58:45,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (24), 6 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-19 21:58:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 738 transitions. [2024-11-19 21:58:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-19 21:58:45,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:45,940 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:45,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 21:58:45,940 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:45,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:45,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1444058971, now seen corresponding path program 1 times [2024-11-19 21:58:45,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:45,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549667557] [2024-11-19 21:58:45,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:45,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:58:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-19 21:58:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:58:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:58:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:58:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:58:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:58:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 21:58:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 21:58:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:58:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-19 21:58:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-19 21:58:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 21:58:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-19 21:58:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-19 21:58:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-19 21:58:46,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:46,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549667557] [2024-11-19 21:58:46,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549667557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:58:46,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168760597] [2024-11-19 21:58:46,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:46,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:58:46,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:58:46,092 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) [2024-11-19 21:58:46,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 21:58:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:46,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 21:58:46,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:58:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-19 21:58:46,339 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 21:58:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-19 21:58:46,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168760597] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 21:58:46,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 21:58:46,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-19 21:58:46,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862997598] [2024-11-19 21:58:46,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 21:58:46,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 21:58:46,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:46,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 21:58:46,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-19 21:58:46,451 INFO L87 Difference]: Start difference. First operand 478 states and 738 transitions. Second operand has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 7 states have internal predecessors, (148), 2 states have call successors, (49), 6 states have call predecessors, (49), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-19 21:58:47,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:47,767 INFO L93 Difference]: Finished difference Result 1221 states and 1983 transitions. [2024-11-19 21:58:47,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 21:58:47,767 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 7 states have internal predecessors, (148), 2 states have call successors, (49), 6 states have call predecessors, (49), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 168 [2024-11-19 21:58:47,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:47,772 INFO L225 Difference]: With dead ends: 1221 [2024-11-19 21:58:47,772 INFO L226 Difference]: Without dead ends: 1002 [2024-11-19 21:58:47,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:58:47,773 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 1798 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 2279 mSolverCounterSat, 615 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1852 SdHoareTripleChecker+Valid, 1744 SdHoareTripleChecker+Invalid, 2894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 615 IncrementalHoareTripleChecker+Valid, 2279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:47,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1852 Valid, 1744 Invalid, 2894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [615 Valid, 2279 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 21:58:47,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2024-11-19 21:58:47,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 871. [2024-11-19 21:58:47,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 680 states have (on average 1.6205882352941177) internal successors, (1102), 688 states have internal predecessors, (1102), 158 states have call successors, (158), 28 states have call predecessors, (158), 32 states have return successors, (179), 156 states have call predecessors, (179), 157 states have call successors, (179) [2024-11-19 21:58:47,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1439 transitions. [2024-11-19 21:58:47,805 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1439 transitions. Word has length 168 [2024-11-19 21:58:47,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:47,806 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1439 transitions. [2024-11-19 21:58:47,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 7 states have internal predecessors, (148), 2 states have call successors, (49), 6 states have call predecessors, (49), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-19 21:58:47,806 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1439 transitions. [2024-11-19 21:58:47,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-19 21:58:47,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:47,809 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:47,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 21:58:48,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:58:48,010 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:48,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:48,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1102339240, now seen corresponding path program 1 times [2024-11-19 21:58:48,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:48,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632453967] [2024-11-19 21:58:48,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:48,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 21:58:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:58:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 21:58:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:58:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:58:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:58:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:58:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 21:58:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-19 21:58:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-19 21:58:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-19 21:58:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-19 21:58:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-19 21:58:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-19 21:58:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-19 21:58:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-19 21:58:48,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:48,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632453967] [2024-11-19 21:58:48,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632453967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:48,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:48,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:48,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640106443] [2024-11-19 21:58:48,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:48,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:48,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:48,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:48,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:48,114 INFO L87 Difference]: Start difference. First operand 871 states and 1439 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 21:58:49,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:49,247 INFO L93 Difference]: Finished difference Result 2179 states and 3688 transitions. [2024-11-19 21:58:49,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:49,248 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 174 [2024-11-19 21:58:49,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:49,254 INFO L225 Difference]: With dead ends: 2179 [2024-11-19 21:58:49,254 INFO L226 Difference]: Without dead ends: 1376 [2024-11-19 21:58:49,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:58:49,256 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1476 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 1968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:49,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 972 Invalid, 1968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 1463 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 21:58:49,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2024-11-19 21:58:49,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1261. [2024-11-19 21:58:49,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 991 states have (on average 1.6367305751765893) internal successors, (1622), 999 states have internal predecessors, (1622), 237 states have call successors, (237), 28 states have call predecessors, (237), 32 states have return successors, (268), 235 states have call predecessors, (268), 236 states have call successors, (268) [2024-11-19 21:58:49,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 2127 transitions. [2024-11-19 21:58:49,300 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 2127 transitions. Word has length 174 [2024-11-19 21:58:49,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:49,301 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 2127 transitions. [2024-11-19 21:58:49,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 21:58:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 2127 transitions. [2024-11-19 21:58:49,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 21:58:49,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:49,306 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:49,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 21:58:49,306 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:49,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:49,306 INFO L85 PathProgramCache]: Analyzing trace with hash -367874397, now seen corresponding path program 1 times [2024-11-19 21:58:49,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:49,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729458736] [2024-11-19 21:58:49,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:49,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-19 21:58:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:58:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:58:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:58:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:58:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 21:58:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-19 21:58:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-19 21:58:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-19 21:58:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-19 21:58:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-19 21:58:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 21:58:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-19 21:58:49,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:49,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729458736] [2024-11-19 21:58:49,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729458736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:49,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:49,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:49,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452566725] [2024-11-19 21:58:49,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:49,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:49,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:49,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:49,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:49,403 INFO L87 Difference]: Start difference. First operand 1261 states and 2127 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:58:50,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:50,515 INFO L93 Difference]: Finished difference Result 3128 states and 5362 transitions. [2024-11-19 21:58:50,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:50,515 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-11-19 21:58:50,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:50,524 INFO L225 Difference]: With dead ends: 3128 [2024-11-19 21:58:50,524 INFO L226 Difference]: Without dead ends: 1988 [2024-11-19 21:58:50,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:58:50,528 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1475 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 1951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:50,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 935 Invalid, 1951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 21:58:50,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2024-11-19 21:58:50,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1873. [2024-11-19 21:58:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1873 states, 1484 states have (on average 1.6475741239892183) internal successors, (2445), 1492 states have internal predecessors, (2445), 356 states have call successors, (356), 28 states have call predecessors, (356), 32 states have return successors, (387), 354 states have call predecessors, (387), 355 states have call successors, (387) [2024-11-19 21:58:50,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1873 states and 3188 transitions. [2024-11-19 21:58:50,588 INFO L78 Accepts]: Start accepts. Automaton has 1873 states and 3188 transitions. Word has length 156 [2024-11-19 21:58:50,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:50,589 INFO L471 AbstractCegarLoop]: Abstraction has 1873 states and 3188 transitions. [2024-11-19 21:58:50,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:58:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 3188 transitions. [2024-11-19 21:58:50,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-19 21:58:50,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:50,595 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:50,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 21:58:50,596 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:50,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:50,596 INFO L85 PathProgramCache]: Analyzing trace with hash -686312581, now seen corresponding path program 1 times [2024-11-19 21:58:50,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:50,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503424644] [2024-11-19 21:58:50,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:50,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 21:58:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:58:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:58:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:58:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 21:58:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:58:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 21:58:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-19 21:58:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-19 21:58:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-19 21:58:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-19 21:58:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-19 21:58:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-19 21:58:50,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:50,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503424644] [2024-11-19 21:58:50,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503424644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:50,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:50,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:50,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962716680] [2024-11-19 21:58:50,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:50,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:50,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:50,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:50,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:50,697 INFO L87 Difference]: Start difference. First operand 1873 states and 3188 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:58:51,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:51,789 INFO L93 Difference]: Finished difference Result 4553 states and 7896 transitions. [2024-11-19 21:58:51,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:51,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2024-11-19 21:58:51,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:51,801 INFO L225 Difference]: With dead ends: 4553 [2024-11-19 21:58:51,801 INFO L226 Difference]: Without dead ends: 2926 [2024-11-19 21:58:51,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:58:51,806 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1472 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 502 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 502 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:51,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 933 Invalid, 1939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [502 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 21:58:51,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2926 states. [2024-11-19 21:58:51,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2926 to 2811. [2024-11-19 21:58:51,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2811 states, 2260 states have (on average 1.6561946902654867) internal successors, (3743), 2268 states have internal predecessors, (3743), 518 states have call successors, (518), 28 states have call predecessors, (518), 32 states have return successors, (565), 516 states have call predecessors, (565), 517 states have call successors, (565) [2024-11-19 21:58:51,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2811 states and 4826 transitions. [2024-11-19 21:58:51,887 INFO L78 Accepts]: Start accepts. Automaton has 2811 states and 4826 transitions. Word has length 157 [2024-11-19 21:58:51,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:51,888 INFO L471 AbstractCegarLoop]: Abstraction has 2811 states and 4826 transitions. [2024-11-19 21:58:51,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:58:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 4826 transitions. [2024-11-19 21:58:51,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-19 21:58:51,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:51,898 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:51,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 21:58:51,899 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:51,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:51,899 INFO L85 PathProgramCache]: Analyzing trace with hash 2134765853, now seen corresponding path program 1 times [2024-11-19 21:58:51,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:51,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146669136] [2024-11-19 21:58:51,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:51,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 21:58:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:58:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 21:58:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-19 21:58:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 21:58:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:58:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 21:58:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-19 21:58:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-19 21:58:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-19 21:58:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-19 21:58:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:51,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-19 21:58:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:52,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-19 21:58:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:52,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-19 21:58:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:52,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-19 21:58:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-19 21:58:52,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:52,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146669136] [2024-11-19 21:58:52,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146669136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:52,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:52,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:52,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560246868] [2024-11-19 21:58:52,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:52,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:52,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:52,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:52,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:52,006 INFO L87 Difference]: Start difference. First operand 2811 states and 4826 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 21:58:53,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:53,058 INFO L93 Difference]: Finished difference Result 6802 states and 11905 transitions. [2024-11-19 21:58:53,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:53,059 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 177 [2024-11-19 21:58:53,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:53,079 INFO L225 Difference]: With dead ends: 6802 [2024-11-19 21:58:53,079 INFO L226 Difference]: Without dead ends: 4441 [2024-11-19 21:58:53,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:58:53,088 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1468 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 1926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:53,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1486 Valid, 933 Invalid, 1926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 21:58:53,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4441 states. [2024-11-19 21:58:53,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4441 to 4326. [2024-11-19 21:58:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4326 states, 3530 states have (on average 1.6623229461756375) internal successors, (5868), 3538 states have internal predecessors, (5868), 763 states have call successors, (763), 28 states have call predecessors, (763), 32 states have return successors, (836), 761 states have call predecessors, (836), 762 states have call successors, (836) [2024-11-19 21:58:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4326 states to 4326 states and 7467 transitions. [2024-11-19 21:58:53,244 INFO L78 Accepts]: Start accepts. Automaton has 4326 states and 7467 transitions. Word has length 177 [2024-11-19 21:58:53,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:53,244 INFO L471 AbstractCegarLoop]: Abstraction has 4326 states and 7467 transitions. [2024-11-19 21:58:53,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 21:58:53,245 INFO L276 IsEmpty]: Start isEmpty. Operand 4326 states and 7467 transitions. [2024-11-19 21:58:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-19 21:58:53,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:53,260 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:53,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 21:58:53,260 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:53,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:53,260 INFO L85 PathProgramCache]: Analyzing trace with hash 543747594, now seen corresponding path program 1 times [2024-11-19 21:58:53,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:53,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127548169] [2024-11-19 21:58:53,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:53,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 21:58:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:58:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 21:58:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 21:58:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-19 21:58:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 21:58:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 21:58:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 21:58:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 21:58:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-19 21:58:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-19 21:58:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 21:58:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-19 21:58:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-19 21:58:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-19 21:58:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-19 21:58:53,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:53,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127548169] [2024-11-19 21:58:53,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127548169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:53,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:53,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:53,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639808750] [2024-11-19 21:58:53,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:53,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:53,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:53,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:53,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:53,363 INFO L87 Difference]: Start difference. First operand 4326 states and 7467 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 21:58:54,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:54,550 INFO L93 Difference]: Finished difference Result 10818 states and 19017 transitions. [2024-11-19 21:58:54,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:54,550 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 178 [2024-11-19 21:58:54,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:54,579 INFO L225 Difference]: With dead ends: 10818 [2024-11-19 21:58:54,579 INFO L226 Difference]: Without dead ends: 7174 [2024-11-19 21:58:54,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:58:54,590 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1465 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 1976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:54,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 965 Invalid, 1976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [500 Valid, 1476 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 21:58:54,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7174 states. [2024-11-19 21:58:54,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7174 to 7059. [2024-11-19 21:58:54,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7059 states, 5770 states have (on average 1.6590987868284228) internal successors, (9573), 5778 states have internal predecessors, (9573), 1256 states have call successors, (1256), 28 states have call predecessors, (1256), 32 states have return successors, (1373), 1254 states have call predecessors, (1373), 1255 states have call successors, (1373) [2024-11-19 21:58:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7059 states to 7059 states and 12202 transitions. [2024-11-19 21:58:54,788 INFO L78 Accepts]: Start accepts. Automaton has 7059 states and 12202 transitions. Word has length 178 [2024-11-19 21:58:54,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:54,788 INFO L471 AbstractCegarLoop]: Abstraction has 7059 states and 12202 transitions. [2024-11-19 21:58:54,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 21:58:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 7059 states and 12202 transitions. [2024-11-19 21:58:54,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-19 21:58:54,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:54,811 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:54,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 21:58:54,811 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:54,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:54,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1516283609, now seen corresponding path program 1 times [2024-11-19 21:58:54,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:54,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972910960] [2024-11-19 21:58:54,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:54,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:58:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:58:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-19 21:58:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 21:58:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 21:58:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:58:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 21:58:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-19 21:58:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:58:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-19 21:58:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 21:58:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-19 21:58:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-19 21:58:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-19 21:58:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-19 21:58:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-19 21:58:54,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:54,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972910960] [2024-11-19 21:58:54,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972910960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:54,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:54,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:54,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809080965] [2024-11-19 21:58:54,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:54,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:54,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:54,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:54,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:54,963 INFO L87 Difference]: Start difference. First operand 7059 states and 12202 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 21:58:56,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:56,104 INFO L93 Difference]: Finished difference Result 17958 states and 31589 transitions. [2024-11-19 21:58:56,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:56,105 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 179 [2024-11-19 21:58:56,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:56,143 INFO L225 Difference]: With dead ends: 17958 [2024-11-19 21:58:56,143 INFO L226 Difference]: Without dead ends: 11958 [2024-11-19 21:58:56,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:58:56,157 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1468 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1450 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 1970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 1450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:56,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1486 Valid, 935 Invalid, 1970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 1450 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 21:58:56,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11958 states. [2024-11-19 21:58:56,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11958 to 11843. [2024-11-19 21:58:56,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11843 states, 9732 states have (on average 1.6595766543362105) internal successors, (16151), 9740 states have internal predecessors, (16151), 2078 states have call successors, (2078), 28 states have call predecessors, (2078), 32 states have return successors, (2273), 2076 states have call predecessors, (2273), 2077 states have call successors, (2273) [2024-11-19 21:58:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11843 states to 11843 states and 20502 transitions. [2024-11-19 21:58:56,500 INFO L78 Accepts]: Start accepts. Automaton has 11843 states and 20502 transitions. Word has length 179 [2024-11-19 21:58:56,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:56,501 INFO L471 AbstractCegarLoop]: Abstraction has 11843 states and 20502 transitions. [2024-11-19 21:58:56,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 21:58:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 11843 states and 20502 transitions. [2024-11-19 21:58:56,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-19 21:58:56,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:56,530 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:56,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 21:58:56,530 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:56,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:56,531 INFO L85 PathProgramCache]: Analyzing trace with hash -755596472, now seen corresponding path program 1 times [2024-11-19 21:58:56,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:56,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75096851] [2024-11-19 21:58:56,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:56,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:58:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 21:58:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 21:58:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 21:58:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:58:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 21:58:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-19 21:58:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-19 21:58:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-19 21:58:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-19 21:58:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-19 21:58:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-19 21:58:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-19 21:58:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-19 21:58:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-19 21:58:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-19 21:58:56,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:56,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75096851] [2024-11-19 21:58:56,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75096851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:56,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:56,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:56,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448251275] [2024-11-19 21:58:56,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:56,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:56,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:56,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:56,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:56,631 INFO L87 Difference]: Start difference. First operand 11843 states and 20502 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 21:58:58,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:58,154 INFO L93 Difference]: Finished difference Result 28391 states and 49714 transitions. [2024-11-19 21:58:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:58,155 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 180 [2024-11-19 21:58:58,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:58,215 INFO L225 Difference]: With dead ends: 28391 [2024-11-19 21:58:58,215 INFO L226 Difference]: Without dead ends: 18551 [2024-11-19 21:58:58,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:58:58,248 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1464 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:58,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1482 Valid, 938 Invalid, 1939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 21:58:58,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18551 states. [2024-11-19 21:58:58,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18551 to 18436. [2024-11-19 21:58:58,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18436 states, 15122 states have (on average 1.6345060177225235) internal successors, (24717), 15130 states have internal predecessors, (24717), 3281 states have call successors, (3281), 28 states have call predecessors, (3281), 32 states have return successors, (3620), 3279 states have call predecessors, (3620), 3280 states have call successors, (3620) [2024-11-19 21:58:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18436 states to 18436 states and 31618 transitions. [2024-11-19 21:58:58,784 INFO L78 Accepts]: Start accepts. Automaton has 18436 states and 31618 transitions. Word has length 180 [2024-11-19 21:58:58,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:58,785 INFO L471 AbstractCegarLoop]: Abstraction has 18436 states and 31618 transitions. [2024-11-19 21:58:58,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 21:58:58,785 INFO L276 IsEmpty]: Start isEmpty. Operand 18436 states and 31618 transitions. [2024-11-19 21:58:58,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-19 21:58:58,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:58,816 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:58,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 21:58:58,816 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:58,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:58,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1920917559, now seen corresponding path program 1 times [2024-11-19 21:58:58,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:58,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641192577] [2024-11-19 21:58:58,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:58,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:58:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 21:58:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 21:58:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:58:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 21:58:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 21:58:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-19 21:58:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:58:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-19 21:58:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-19 21:58:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 21:58:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-19 21:58:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-19 21:58:58,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:58,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641192577] [2024-11-19 21:58:58,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641192577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:58,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:58,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:58,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295718717] [2024-11-19 21:58:58,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:58,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:58,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:58,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:58,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:58,904 INFO L87 Difference]: Start difference. First operand 18436 states and 31618 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:59:00,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:00,425 INFO L93 Difference]: Finished difference Result 48813 states and 85218 transitions. [2024-11-19 21:59:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:59:00,426 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2024-11-19 21:59:00,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:00,531 INFO L225 Difference]: With dead ends: 48813 [2024-11-19 21:59:00,531 INFO L226 Difference]: Without dead ends: 32987 [2024-11-19 21:59:00,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:59:00,573 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1461 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 1951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:00,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 933 Invalid, 1951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 21:59:00,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32987 states. [2024-11-19 21:59:01,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32987 to 32872. [2024-11-19 21:59:01,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32872 states, 27108 states have (on average 1.6314003246274162) internal successors, (44224), 27116 states have internal predecessors, (44224), 5731 states have call successors, (5731), 28 states have call predecessors, (5731), 32 states have return successors, (6344), 5729 states have call predecessors, (6344), 5730 states have call successors, (6344) [2024-11-19 21:59:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32872 states to 32872 states and 56299 transitions. [2024-11-19 21:59:01,860 INFO L78 Accepts]: Start accepts. Automaton has 32872 states and 56299 transitions. Word has length 162 [2024-11-19 21:59:01,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:01,860 INFO L471 AbstractCegarLoop]: Abstraction has 32872 states and 56299 transitions. [2024-11-19 21:59:01,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:59:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 32872 states and 56299 transitions. [2024-11-19 21:59:01,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-19 21:59:01,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:01,905 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:59:01,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 21:59:01,905 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:01,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:01,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1074204205, now seen corresponding path program 1 times [2024-11-19 21:59:01,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:01,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546727260] [2024-11-19 21:59:01,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:01,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:59:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-19 21:59:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:59:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:59:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:59:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 21:59:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-19 21:59:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-19 21:59:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-19 21:59:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-19 21:59:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-19 21:59:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-19 21:59:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-19 21:59:01,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:01,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546727260] [2024-11-19 21:59:01,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546727260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:01,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:01,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:59:01,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963058039] [2024-11-19 21:59:01,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:01,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:59:01,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:01,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:59:01,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:59:01,994 INFO L87 Difference]: Start difference. First operand 32872 states and 56299 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:59:04,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:04,004 INFO L93 Difference]: Finished difference Result 89710 states and 155852 transitions. [2024-11-19 21:59:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:59:04,004 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2024-11-19 21:59:04,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:04,194 INFO L225 Difference]: With dead ends: 89710 [2024-11-19 21:59:04,194 INFO L226 Difference]: Without dead ends: 60324 [2024-11-19 21:59:04,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:59:04,254 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1465 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 1949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:04,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 941 Invalid, 1949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 21:59:04,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60324 states. [2024-11-19 21:59:06,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60324 to 60209. [2024-11-19 21:59:06,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60209 states, 49932 states have (on average 1.6271529279820556) internal successors, (81247), 49940 states have internal predecessors, (81247), 10244 states have call successors, (10244), 28 states have call predecessors, (10244), 32 states have return successors, (11389), 10242 states have call predecessors, (11389), 10243 states have call successors, (11389) [2024-11-19 21:59:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60209 states to 60209 states and 102880 transitions. [2024-11-19 21:59:06,279 INFO L78 Accepts]: Start accepts. Automaton has 60209 states and 102880 transitions. Word has length 163 [2024-11-19 21:59:06,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:06,280 INFO L471 AbstractCegarLoop]: Abstraction has 60209 states and 102880 transitions. [2024-11-19 21:59:06,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:59:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 60209 states and 102880 transitions. [2024-11-19 21:59:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-19 21:59:06,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:06,343 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:59:06,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 21:59:06,343 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:06,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:06,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1819883369, now seen corresponding path program 1 times [2024-11-19 21:59:06,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:06,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849022779] [2024-11-19 21:59:06,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:06,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:59:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 21:59:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:59:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:59:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 21:59:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 21:59:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 21:59:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-19 21:59:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-19 21:59:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-19 21:59:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-19 21:59:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-19 21:59:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:06,427 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-19 21:59:06,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:06,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849022779] [2024-11-19 21:59:06,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849022779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:06,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:06,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:59:06,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308364064] [2024-11-19 21:59:06,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:06,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:59:06,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:06,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:59:06,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:59:06,430 INFO L87 Difference]: Start difference. First operand 60209 states and 102880 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:59:09,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:09,524 INFO L93 Difference]: Finished difference Result 112801 states and 196430 transitions. [2024-11-19 21:59:09,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:59:09,525 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2024-11-19 21:59:09,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:09,861 INFO L225 Difference]: With dead ends: 112801 [2024-11-19 21:59:09,861 INFO L226 Difference]: Without dead ends: 112582 [2024-11-19 21:59:09,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:59:09,893 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1457 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 514 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1475 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 1933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:09,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1475 Valid, 971 Invalid, 1933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 21:59:09,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112582 states. [2024-11-19 21:59:12,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112582 to 112467. [2024-11-19 21:59:13,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112467 states, 93822 states have (on average 1.6217305109675768) internal successors, (152154), 93830 states have internal predecessors, (152154), 18612 states have call successors, (18612), 28 states have call predecessors, (18612), 32 states have return successors, (20803), 18610 states have call predecessors, (20803), 18611 states have call successors, (20803) [2024-11-19 21:59:13,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112467 states to 112467 states and 191569 transitions. [2024-11-19 21:59:13,381 INFO L78 Accepts]: Start accepts. Automaton has 112467 states and 191569 transitions. Word has length 164 [2024-11-19 21:59:13,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:13,381 INFO L471 AbstractCegarLoop]: Abstraction has 112467 states and 191569 transitions. [2024-11-19 21:59:13,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:59:13,381 INFO L276 IsEmpty]: Start isEmpty. Operand 112467 states and 191569 transitions. [2024-11-19 21:59:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-19 21:59:13,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:13,741 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:59:13,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 21:59:13,741 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:13,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:13,741 INFO L85 PathProgramCache]: Analyzing trace with hash -2021673518, now seen corresponding path program 1 times [2024-11-19 21:59:13,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:13,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132702186] [2024-11-19 21:59:13,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:13,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:59:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:59:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:59:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:59:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:59:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 21:59:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-19 21:59:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-19 21:59:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-19 21:59:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 21:59:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 21:59:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-19 21:59:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,072 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-19 21:59:14,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:14,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132702186] [2024-11-19 21:59:14,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132702186] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:59:14,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384876630] [2024-11-19 21:59:14,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:14,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:59:14,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:59:14,074 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:59:14,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 21:59:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 21:59:14,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:59:14,489 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-19 21:59:14,489 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 21:59:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 21:59:14,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384876630] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 21:59:14,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 21:59:14,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2024-11-19 21:59:14,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673066155] [2024-11-19 21:59:14,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 21:59:14,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-19 21:59:14,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:14,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-19 21:59:14,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=914, Unknown=0, NotChecked=0, Total=992 [2024-11-19 21:59:14,733 INFO L87 Difference]: Start difference. First operand 112467 states and 191569 transitions. Second operand has 32 states, 30 states have (on average 8.866666666666667) internal successors, (266), 24 states have internal predecessors, (266), 9 states have call successors, (55), 12 states have call predecessors, (55), 12 states have return successors, (47), 11 states have call predecessors, (47), 9 states have call successors, (47) [2024-11-19 21:59:42,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:42,562 INFO L93 Difference]: Finished difference Result 672215 states and 1194160 transitions. [2024-11-19 21:59:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2024-11-19 21:59:42,563 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 8.866666666666667) internal successors, (266), 24 states have internal predecessors, (266), 9 states have call successors, (55), 12 states have call predecessors, (55), 12 states have return successors, (47), 11 states have call predecessors, (47), 9 states have call successors, (47) Word has length 165 [2024-11-19 21:59:42,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:45,898 INFO L225 Difference]: With dead ends: 672215 [2024-11-19 21:59:45,898 INFO L226 Difference]: Without dead ends: 672000 [2024-11-19 21:59:46,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8990 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=3624, Invalid=23436, Unknown=0, NotChecked=0, Total=27060 [2024-11-19 21:59:46,187 INFO L432 NwaCegarLoop]: 677 mSDtfsCounter, 7508 mSDsluCounter, 14335 mSDsCounter, 0 mSdLazyCounter, 30608 mSolverCounterSat, 2512 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7541 SdHoareTripleChecker+Valid, 15012 SdHoareTripleChecker+Invalid, 33120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2512 IncrementalHoareTripleChecker+Valid, 30608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:46,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7541 Valid, 15012 Invalid, 33120 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2512 Valid, 30608 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time]