./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_spec9_product14.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_spec9_product14.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 b949d09d593112e13964b4b5b0eef0c6cd05359df7437e0305220f7a663828f7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:02:21,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:02:21,972 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:02:21,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:02:21,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:02:22,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:02:22,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:02:22,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:02:22,009 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:02:22,010 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:02:22,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:02:22,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:02:22,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:02:22,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:02:22,012 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:02:22,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:02:22,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:02:22,013 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:02:22,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:02:22,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:02:22,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:02:22,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:02:22,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:02:22,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:02:22,016 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:02:22,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:02:22,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:02:22,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:02:22,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:02:22,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:02:22,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:02:22,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:02:22,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:02:22,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:02:22,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:02:22,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:02:22,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:02:22,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:02:22,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:02:22,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:02:22,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:02:22,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:02:22,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b949d09d593112e13964b4b5b0eef0c6cd05359df7437e0305220f7a663828f7 [2024-11-19 22:02:22,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:02:22,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:02:22,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:02:22,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:02:22,351 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:02:22,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2024-11-19 22:02:23,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:02:24,293 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:02:24,294 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2024-11-19 22:02:24,321 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c11b7cfc/5fe6eff42fac4b0c9f96ef7ce57c8669/FLAG098855480 [2024-11-19 22:02:24,506 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c11b7cfc/5fe6eff42fac4b0c9f96ef7ce57c8669 [2024-11-19 22:02:24,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:02:24,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:02:24,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:02:24,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:02:24,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:02:24,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:02:24" (1/1) ... [2024-11-19 22:02:24,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439274da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:24, skipping insertion in model container [2024-11-19 22:02:24,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:02:24" (1/1) ... [2024-11-19 22:02:24,578 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:02:24,886 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product14.cil.c[8145,8158] [2024-11-19 22:02:25,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:02:25,185 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:02:25,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-19 22:02:25,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [368] [2024-11-19 22:02:25,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [412] [2024-11-19 22:02:25,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [421] [2024-11-19 22:02:25,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [707] [2024-11-19 22:02:25,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [742] [2024-11-19 22:02:25,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [958] [2024-11-19 22:02:25,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [975] [2024-11-19 22:02:25,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1341] [2024-11-19 22:02:25,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1447] [2024-11-19 22:02:25,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2511] [2024-11-19 22:02:25,213 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product14.cil.c[8145,8158] [2024-11-19 22:02:25,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:02:25,325 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:02:25,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25 WrapperNode [2024-11-19 22:02:25,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:02:25,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:02:25,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:02:25,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:02:25,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25" (1/1) ... [2024-11-19 22:02:25,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25" (1/1) ... [2024-11-19 22:02:25,420 INFO L138 Inliner]: procedures = 126, calls = 192, calls flagged for inlining = 51, calls inlined = 43, statements flattened = 907 [2024-11-19 22:02:25,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:02:25,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:02:25,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:02:25,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:02:25,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25" (1/1) ... [2024-11-19 22:02:25,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25" (1/1) ... [2024-11-19 22:02:25,439 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25" (1/1) ... [2024-11-19 22:02:25,480 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 22:02:25,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25" (1/1) ... [2024-11-19 22:02:25,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25" (1/1) ... [2024-11-19 22:02:25,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25" (1/1) ... [2024-11-19 22:02:25,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25" (1/1) ... [2024-11-19 22:02:25,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25" (1/1) ... [2024-11-19 22:02:25,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25" (1/1) ... [2024-11-19 22:02:25,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:02:25,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:02:25,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:02:25,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:02:25,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25" (1/1) ... [2024-11-19 22:02:25,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:02:25,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:02:25,609 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 22:02:25,613 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 22:02:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-19 22:02:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-19 22:02:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-19 22:02:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-19 22:02:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-19 22:02:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-19 22:02:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-19 22:02:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-19 22:02:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-19 22:02:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-19 22:02:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-19 22:02:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-19 22:02:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-19 22:02:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-19 22:02:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-19 22:02:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-19 22:02:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-19 22:02:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-19 22:02:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-19 22:02:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-19 22:02:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:02:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-19 22:02:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-19 22:02:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-19 22:02:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-19 22:02:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-19 22:02:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-19 22:02:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-19 22:02:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-19 22:02:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-19 22:02:25,676 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-19 22:02:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-19 22:02:25,676 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-19 22:02:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-19 22:02:25,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-19 22:02:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-19 22:02:25,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-19 22:02:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-19 22:02:25,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-19 22:02:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:02:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 22:02:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 22:02:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 22:02:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-19 22:02:25,677 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-19 22:02:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-19 22:02:25,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-19 22:02:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:02:25,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:02:25,878 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:02:25,880 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:02:26,759 INFO L? ?]: Removed 443 outVars from TransFormulas that were not future-live. [2024-11-19 22:02:26,759 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:02:26,785 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:02:26,787 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 22:02:26,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:02:26 BoogieIcfgContainer [2024-11-19 22:02:26,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:02:26,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:02:26,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:02:26,793 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:02:26,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:02:24" (1/3) ... [2024-11-19 22:02:26,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752bfc00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:02:26, skipping insertion in model container [2024-11-19 22:02:26,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:25" (2/3) ... [2024-11-19 22:02:26,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752bfc00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:02:26, skipping insertion in model container [2024-11-19 22:02:26,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:02:26" (3/3) ... [2024-11-19 22:02:26,796 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product14.cil.c [2024-11-19 22:02:26,812 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:02:26,812 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 22:02:26,883 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:02:26,889 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;@10fe08a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:02:26,890 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 22:02:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 343 states, 268 states have (on average 1.585820895522388) internal successors, (425), 273 states have internal predecessors, (425), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-19 22:02:26,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-19 22:02:26,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:26,926 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:26,926 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:26,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:26,930 INFO L85 PathProgramCache]: Analyzing trace with hash 363460128, now seen corresponding path program 1 times [2024-11-19 22:02:26,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:26,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895091110] [2024-11-19 22:02:26,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:26,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:27,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:27,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:27,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:27,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 22:02:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:27,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 22:02:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:27,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 22:02:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:27,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-19 22:02:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:27,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-19 22:02:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:27,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 22:02:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:27,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 22:02:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:27,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 22:02:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:27,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 22:02:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 22:02:27,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:27,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895091110] [2024-11-19 22:02:27,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895091110] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:02:27,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952883225] [2024-11-19 22:02:27,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:27,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:02:27,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:02:27,847 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 22:02:27,848 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 22:02:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 22:02:28,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:02:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 22:02:28,201 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 22:02:28,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952883225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:28,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 22:02:28,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-19 22:02:28,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951160318] [2024-11-19 22:02:28,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:28,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 22:02:28,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:28,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 22:02:28,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:02:28,240 INFO L87 Difference]: Start difference. First operand has 343 states, 268 states have (on average 1.585820895522388) internal successors, (425), 273 states have internal predecessors, (425), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:28,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:28,306 INFO L93 Difference]: Finished difference Result 498 states and 756 transitions. [2024-11-19 22:02:28,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 22:02:28,311 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2024-11-19 22:02:28,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:28,331 INFO L225 Difference]: With dead ends: 498 [2024-11-19 22:02:28,332 INFO L226 Difference]: Without dead ends: 336 [2024-11-19 22:02:28,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:02:28,343 INFO L432 NwaCegarLoop]: 525 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, 525 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 22:02:28,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:02:28,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-19 22:02:28,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2024-11-19 22:02:28,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 262 states have (on average 1.5801526717557253) internal successors, (414), 266 states have internal predecessors, (414), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-19 22:02:28,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 517 transitions. [2024-11-19 22:02:28,451 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 517 transitions. Word has length 98 [2024-11-19 22:02:28,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:28,453 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 517 transitions. [2024-11-19 22:02:28,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:28,453 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 517 transitions. [2024-11-19 22:02:28,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-19 22:02:28,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:28,459 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:28,473 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 22:02:28,663 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 22:02:28,664 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:28,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:28,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1382784013, now seen corresponding path program 1 times [2024-11-19 22:02:28,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:28,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501630223] [2024-11-19 22:02:28,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:28,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 22:02:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 22:02:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 22:02:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-19 22:02:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-19 22:02:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 22:02:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 22:02:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 22:02:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 22:02:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:28,990 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 22:02:28,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:28,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501630223] [2024-11-19 22:02:28,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501630223] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:02:28,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933265301] [2024-11-19 22:02:28,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:28,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:02:28,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:02:28,996 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 22:02:28,997 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 22:02:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:29,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 22:02:29,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:02:29,349 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 22:02:29,352 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 22:02:29,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933265301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:29,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 22:02:29,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 22:02:29,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132816945] [2024-11-19 22:02:29,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:29,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:02:29,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:29,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:02:29,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 22:02:29,356 INFO L87 Difference]: Start difference. First operand 336 states and 517 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:29,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:29,432 INFO L93 Difference]: Finished difference Result 488 states and 734 transitions. [2024-11-19 22:02:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:02:29,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2024-11-19 22:02:29,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:29,436 INFO L225 Difference]: With dead ends: 488 [2024-11-19 22:02:29,436 INFO L226 Difference]: Without dead ends: 339 [2024-11-19 22:02:29,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 22:02:29,439 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 1 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1028 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 22:02:29,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1028 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:02:29,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-19 22:02:29,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 338. [2024-11-19 22:02:29,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 264 states have (on average 1.5757575757575757) internal successors, (416), 268 states have internal predecessors, (416), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-19 22:02:29,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 519 transitions. [2024-11-19 22:02:29,473 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 519 transitions. Word has length 99 [2024-11-19 22:02:29,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:29,474 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 519 transitions. [2024-11-19 22:02:29,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 519 transitions. [2024-11-19 22:02:29,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-19 22:02:29,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:29,478 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:29,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 22:02:29,679 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 22:02:29,679 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:29,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:29,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1526113252, now seen corresponding path program 1 times [2024-11-19 22:02:29,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:29,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343107819] [2024-11-19 22:02:29,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:29,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:29,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:29,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:29,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:29,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 22:02:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:29,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 22:02:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:29,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 22:02:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:29,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-19 22:02:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:29,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 22:02:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:29,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-19 22:02:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:29,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 22:02:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 22:02:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 22:02:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,010 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 22:02:30,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:30,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343107819] [2024-11-19 22:02:30,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343107819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:02:30,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712083038] [2024-11-19 22:02:30,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:30,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:02:30,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:02:30,015 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 22:02:30,016 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 22:02:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 22:02:30,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:02:30,333 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 22:02:30,334 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 22:02:30,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712083038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:30,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 22:02:30,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 22:02:30,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188511590] [2024-11-19 22:02:30,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:30,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:02:30,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:30,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:02:30,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 22:02:30,339 INFO L87 Difference]: Start difference. First operand 338 states and 519 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:30,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:30,383 INFO L93 Difference]: Finished difference Result 719 states and 1122 transitions. [2024-11-19 22:02:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:02:30,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 105 [2024-11-19 22:02:30,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:30,389 INFO L225 Difference]: With dead ends: 719 [2024-11-19 22:02:30,389 INFO L226 Difference]: Without dead ends: 408 [2024-11-19 22:02:30,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 22:02:30,393 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 126 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1001 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 22:02:30,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1001 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:02:30,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-19 22:02:30,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 400. [2024-11-19 22:02:30,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 312 states have (on average 1.5929487179487178) internal successors, (497), 316 states have internal predecessors, (497), 66 states have call successors, (66), 21 states have call predecessors, (66), 21 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-19 22:02:30,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 628 transitions. [2024-11-19 22:02:30,429 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 628 transitions. Word has length 105 [2024-11-19 22:02:30,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:30,430 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 628 transitions. [2024-11-19 22:02:30,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:30,430 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 628 transitions. [2024-11-19 22:02:30,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-19 22:02:30,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:30,433 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:30,443 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 22:02:30,633 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 22:02:30,634 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:30,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:30,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1151846179, now seen corresponding path program 1 times [2024-11-19 22:02:30,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:30,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881008697] [2024-11-19 22:02:30,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:30,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 22:02:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 22:02:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 22:02:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:02:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-19 22:02:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 22:02:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 22:02:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 22:02:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 22:02:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 22:02:30,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:30,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881008697] [2024-11-19 22:02:30,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881008697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:02:30,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490764077] [2024-11-19 22:02:30,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:30,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:02:30,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:02:30,864 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 22:02:30,865 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 22:02:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 22:02:31,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:02:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 22:02:31,212 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 22:02:31,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490764077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:31,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 22:02:31,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-19 22:02:31,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323434344] [2024-11-19 22:02:31,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:31,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:02:31,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:31,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:02:31,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:02:31,214 INFO L87 Difference]: Start difference. First operand 400 states and 628 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 22:02:31,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:31,291 INFO L93 Difference]: Finished difference Result 791 states and 1246 transitions. [2024-11-19 22:02:31,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:02:31,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2024-11-19 22:02:31,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:31,296 INFO L225 Difference]: With dead ends: 791 [2024-11-19 22:02:31,297 INFO L226 Difference]: Without dead ends: 402 [2024-11-19 22:02:31,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:02:31,300 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 2 mSDsluCounter, 1516 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2025 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 22:02:31,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2025 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:02:31,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-19 22:02:31,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2024-11-19 22:02:31,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 313 states have (on average 1.5910543130990416) internal successors, (498), 318 states have internal predecessors, (498), 66 states have call successors, (66), 21 states have call predecessors, (66), 22 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2024-11-19 22:02:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 631 transitions. [2024-11-19 22:02:31,335 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 631 transitions. Word has length 106 [2024-11-19 22:02:31,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:31,336 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 631 transitions. [2024-11-19 22:02:31,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 22:02:31,337 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 631 transitions. [2024-11-19 22:02:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-19 22:02:31,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:31,342 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:31,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 22:02:31,543 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 22:02:31,543 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:31,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:31,544 INFO L85 PathProgramCache]: Analyzing trace with hash 800636676, now seen corresponding path program 1 times [2024-11-19 22:02:31,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:31,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096677439] [2024-11-19 22:02:31,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:31,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-19 22:02:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:02:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-19 22:02:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 22:02:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 22:02:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 22:02:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-19 22:02:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 22:02:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:31,847 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 22:02:31,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:31,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096677439] [2024-11-19 22:02:31,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096677439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:02:31,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709768352] [2024-11-19 22:02:31,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:31,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:02:31,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:02:31,850 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 22:02:31,852 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 22:02:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 22:02:32,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:02:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 22:02:32,175 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 22:02:32,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709768352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:32,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 22:02:32,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-19 22:02:32,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585681294] [2024-11-19 22:02:32,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:32,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:02:32,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:32,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:02:32,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 22:02:32,178 INFO L87 Difference]: Start difference. First operand 402 states and 631 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 22:02:32,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:32,250 INFO L93 Difference]: Finished difference Result 793 states and 1251 transitions. [2024-11-19 22:02:32,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:02:32,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2024-11-19 22:02:32,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:32,253 INFO L225 Difference]: With dead ends: 793 [2024-11-19 22:02:32,253 INFO L226 Difference]: Without dead ends: 404 [2024-11-19 22:02:32,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 22:02:32,257 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 2 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2011 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 22:02:32,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2011 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:02:32,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-19 22:02:32,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-19 22:02:32,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 314 states have (on average 1.589171974522293) internal successors, (499), 320 states have internal predecessors, (499), 66 states have call successors, (66), 21 states have call predecessors, (66), 23 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-19 22:02:32,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 637 transitions. [2024-11-19 22:02:32,283 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 637 transitions. Word has length 107 [2024-11-19 22:02:32,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:32,283 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 637 transitions. [2024-11-19 22:02:32,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 22:02:32,284 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 637 transitions. [2024-11-19 22:02:32,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-19 22:02:32,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:32,287 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:32,297 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 22:02:32,488 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 22:02:32,489 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:32,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:32,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1770342286, now seen corresponding path program 1 times [2024-11-19 22:02:32,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:32,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439680143] [2024-11-19 22:02:32,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:32,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-19 22:02:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-19 22:02:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 22:02:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 22:02:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-19 22:02:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 22:02:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 22:02:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 22:02:32,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:32,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439680143] [2024-11-19 22:02:32,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439680143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:32,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:02:32,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 22:02:32,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504611357] [2024-11-19 22:02:32,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:32,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:02:32,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:32,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:02:32,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:02:32,727 INFO L87 Difference]: Start difference. First operand 404 states and 637 transitions. Second operand has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 22:02:34,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:34,633 INFO L93 Difference]: Finished difference Result 867 states and 1386 transitions. [2024-11-19 22:02:34,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 22:02:34,634 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2024-11-19 22:02:34,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:34,640 INFO L225 Difference]: With dead ends: 867 [2024-11-19 22:02:34,640 INFO L226 Difference]: Without dead ends: 486 [2024-11-19 22:02:34,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 22:02:34,643 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1081 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 2095 mSolverCounterSat, 327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 2422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 327 IncrementalHoareTripleChecker+Valid, 2095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:34,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1082 Valid, 1274 Invalid, 2422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [327 Valid, 2095 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 22:02:34,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-19 22:02:34,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 404. [2024-11-19 22:02:34,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 314 states have (on average 1.589171974522293) internal successors, (499), 320 states have internal predecessors, (499), 66 states have call successors, (66), 21 states have call predecessors, (66), 23 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2024-11-19 22:02:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 636 transitions. [2024-11-19 22:02:34,690 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 636 transitions. Word has length 108 [2024-11-19 22:02:34,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:34,690 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 636 transitions. [2024-11-19 22:02:34,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 22:02:34,690 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 636 transitions. [2024-11-19 22:02:34,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-19 22:02:34,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:34,695 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:34,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 22:02:34,695 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:34,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:34,696 INFO L85 PathProgramCache]: Analyzing trace with hash 954565969, now seen corresponding path program 2 times [2024-11-19 22:02:34,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:34,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618333740] [2024-11-19 22:02:34,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:34,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:34,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:34,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:34,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:34,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:34,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-19 22:02:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:34,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-19 22:02:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:34,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-19 22:02:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:34,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 22:02:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:34,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 22:02:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:34,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 22:02:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:34,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-19 22:02:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:34,900 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 22:02:34,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:34,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618333740] [2024-11-19 22:02:34,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618333740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:34,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:02:34,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 22:02:34,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204802535] [2024-11-19 22:02:34,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:34,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:02:34,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:34,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:02:34,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:02:34,903 INFO L87 Difference]: Start difference. First operand 404 states and 636 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 22:02:36,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:36,753 INFO L93 Difference]: Finished difference Result 869 states and 1389 transitions. [2024-11-19 22:02:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 22:02:36,754 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2024-11-19 22:02:36,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:36,758 INFO L225 Difference]: With dead ends: 869 [2024-11-19 22:02:36,758 INFO L226 Difference]: Without dead ends: 488 [2024-11-19 22:02:36,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 22:02:36,761 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1074 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1076 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 2463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 316 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:36,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1076 Valid, 1274 Invalid, 2463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [316 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 22:02:36,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-19 22:02:36,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 406. [2024-11-19 22:02:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 315 states have (on average 1.5873015873015872) internal successors, (500), 322 states have internal predecessors, (500), 66 states have call successors, (66), 21 states have call predecessors, (66), 24 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2024-11-19 22:02:36,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 639 transitions. [2024-11-19 22:02:36,827 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 639 transitions. Word has length 109 [2024-11-19 22:02:36,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:36,828 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 639 transitions. [2024-11-19 22:02:36,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 22:02:36,828 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 639 transitions. [2024-11-19 22:02:36,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-19 22:02:36,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:36,830 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:36,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 22:02:36,831 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:36,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:36,831 INFO L85 PathProgramCache]: Analyzing trace with hash 245616583, now seen corresponding path program 1 times [2024-11-19 22:02:36,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:36,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458773616] [2024-11-19 22:02:36,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:36,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:36,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:36,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:36,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:36,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:36,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:36,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:02:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:37,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 22:02:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:37,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:02:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:37,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 22:02:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:37,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 22:02:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:37,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 22:02:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:37,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 22:02:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:37,031 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 22:02:37,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:37,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458773616] [2024-11-19 22:02:37,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458773616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:37,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:02:37,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 22:02:37,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644182704] [2024-11-19 22:02:37,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:37,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:02:37,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:37,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:02:37,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:02:37,032 INFO L87 Difference]: Start difference. First operand 406 states and 639 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 22:02:38,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:38,725 INFO L93 Difference]: Finished difference Result 869 states and 1388 transitions. [2024-11-19 22:02:38,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:02:38,725 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2024-11-19 22:02:38,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:38,729 INFO L225 Difference]: With dead ends: 869 [2024-11-19 22:02:38,729 INFO L226 Difference]: Without dead ends: 488 [2024-11-19 22:02:38,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:02:38,731 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1081 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 2408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:38,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1082 Valid, 1270 Invalid, 2408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 2071 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 22:02:38,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-19 22:02:38,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 406. [2024-11-19 22:02:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 315 states have (on average 1.5873015873015872) internal successors, (500), 322 states have internal predecessors, (500), 66 states have call successors, (66), 21 states have call predecessors, (66), 24 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2024-11-19 22:02:38,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 639 transitions. [2024-11-19 22:02:38,765 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 639 transitions. Word has length 110 [2024-11-19 22:02:38,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:38,765 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 639 transitions. [2024-11-19 22:02:38,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 22:02:38,766 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 639 transitions. [2024-11-19 22:02:38,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-19 22:02:38,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:38,768 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:38,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 22:02:38,768 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:38,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:38,768 INFO L85 PathProgramCache]: Analyzing trace with hash -641606263, now seen corresponding path program 1 times [2024-11-19 22:02:38,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:38,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072202405] [2024-11-19 22:02:38,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:38,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:38,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:38,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:38,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:38,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:38,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:38,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:02:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:39,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 22:02:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:39,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:02:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:39,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 22:02:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:39,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 22:02:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:39,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 22:02:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:39,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 22:02:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:39,050 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 22:02:39,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:39,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072202405] [2024-11-19 22:02:39,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072202405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:39,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:02:39,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 22:02:39,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331881449] [2024-11-19 22:02:39,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:39,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 22:02:39,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:39,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 22:02:39,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:02:39,053 INFO L87 Difference]: Start difference. First operand 406 states and 639 transitions. Second operand has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 22:02:41,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:41,417 INFO L93 Difference]: Finished difference Result 867 states and 1383 transitions. [2024-11-19 22:02:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 22:02:41,418 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 110 [2024-11-19 22:02:41,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:41,422 INFO L225 Difference]: With dead ends: 867 [2024-11-19 22:02:41,423 INFO L226 Difference]: Without dead ends: 488 [2024-11-19 22:02:41,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-19 22:02:41,426 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1079 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 3508 mSolverCounterSat, 333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1767 SdHoareTripleChecker+Invalid, 3841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 3508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:41,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1767 Invalid, 3841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 3508 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-19 22:02:41,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-19 22:02:41,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 406. [2024-11-19 22:02:41,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 315 states have (on average 1.5873015873015872) internal successors, (500), 322 states have internal predecessors, (500), 66 states have call successors, (66), 21 states have call predecessors, (66), 24 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-19 22:02:41,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 638 transitions. [2024-11-19 22:02:41,458 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 638 transitions. Word has length 110 [2024-11-19 22:02:41,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:41,460 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 638 transitions. [2024-11-19 22:02:41,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 22:02:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 638 transitions. [2024-11-19 22:02:41,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-19 22:02:41,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:41,464 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:41,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 22:02:41,464 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:41,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:41,464 INFO L85 PathProgramCache]: Analyzing trace with hash 78260293, now seen corresponding path program 2 times [2024-11-19 22:02:41,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:41,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396008016] [2024-11-19 22:02:41,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:41,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:41,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:41,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:41,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:41,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:41,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:41,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:02:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:41,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-19 22:02:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:41,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-19 22:02:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:41,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 22:02:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:41,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 22:02:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:41,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 22:02:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:41,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 22:02:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:41,716 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 22:02:41,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:41,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396008016] [2024-11-19 22:02:41,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396008016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:41,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:02:41,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 22:02:41,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91187140] [2024-11-19 22:02:41,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:41,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 22:02:41,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:41,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 22:02:41,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:02:41,718 INFO L87 Difference]: Start difference. First operand 406 states and 638 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 22:02:43,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:43,975 INFO L93 Difference]: Finished difference Result 869 states and 1389 transitions. [2024-11-19 22:02:43,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 22:02:43,976 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 111 [2024-11-19 22:02:43,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:43,980 INFO L225 Difference]: With dead ends: 869 [2024-11-19 22:02:43,980 INFO L226 Difference]: Without dead ends: 490 [2024-11-19 22:02:43,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-19 22:02:43,983 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1078 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 3524 mSolverCounterSat, 331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 1766 SdHoareTripleChecker+Invalid, 3855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 3524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:43,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 1766 Invalid, 3855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 3524 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-19 22:02:43,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-19 22:02:44,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 408. [2024-11-19 22:02:44,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 316 states have (on average 1.5854430379746836) internal successors, (501), 324 states have internal predecessors, (501), 66 states have call successors, (66), 21 states have call predecessors, (66), 25 states have return successors, (77), 64 states have call predecessors, (77), 65 states have call successors, (77) [2024-11-19 22:02:44,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 644 transitions. [2024-11-19 22:02:44,013 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 644 transitions. Word has length 111 [2024-11-19 22:02:44,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:44,014 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 644 transitions. [2024-11-19 22:02:44,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 22:02:44,014 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 644 transitions. [2024-11-19 22:02:44,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 22:02:44,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:44,016 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:44,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 22:02:44,017 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:44,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:44,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1156653796, now seen corresponding path program 1 times [2024-11-19 22:02:44,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:44,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999391025] [2024-11-19 22:02:44,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:44,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:02:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 22:02:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-19 22:02:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 22:02:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 22:02:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 22:02:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 22:02:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,231 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:02:44,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:44,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999391025] [2024-11-19 22:02:44,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999391025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:02:44,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959405784] [2024-11-19 22:02:44,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:44,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:02:44,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:02:44,234 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 22:02:44,236 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 22:02:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:44,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 22:02:44,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:02:44,515 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:02:44,516 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 22:02:44,596 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:02:44,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959405784] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 22:02:44,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 22:02:44,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-19 22:02:44,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716974078] [2024-11-19 22:02:44,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 22:02:44,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 22:02:44,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:44,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 22:02:44,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-19 22:02:44,599 INFO L87 Difference]: Start difference. First operand 408 states and 644 transitions. Second operand has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 22:02:46,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:46,156 INFO L93 Difference]: Finished difference Result 1056 states and 1758 transitions. [2024-11-19 22:02:46,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:02:46,157 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 112 [2024-11-19 22:02:46,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:46,164 INFO L225 Difference]: With dead ends: 1056 [2024-11-19 22:02:46,164 INFO L226 Difference]: Without dead ends: 907 [2024-11-19 22:02:46,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-19 22:02:46,166 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 1567 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 2208 mSolverCounterSat, 532 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1621 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 2740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 532 IncrementalHoareTripleChecker+Valid, 2208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:46,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1621 Valid, 1520 Invalid, 2740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [532 Valid, 2208 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 22:02:46,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2024-11-19 22:02:46,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 801. [2024-11-19 22:02:46,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 630 states have (on average 1.6412698412698412) internal successors, (1034), 638 states have internal predecessors, (1034), 145 states have call successors, (145), 21 states have call predecessors, (145), 25 states have return successors, (166), 143 states have call predecessors, (166), 144 states have call successors, (166) [2024-11-19 22:02:46,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1345 transitions. [2024-11-19 22:02:46,223 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1345 transitions. Word has length 112 [2024-11-19 22:02:46,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:46,224 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1345 transitions. [2024-11-19 22:02:46,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 22:02:46,224 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1345 transitions. [2024-11-19 22:02:46,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-19 22:02:46,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:46,228 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:46,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 22:02:46,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:02:46,429 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:46,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:46,429 INFO L85 PathProgramCache]: Analyzing trace with hash -801695193, now seen corresponding path program 1 times [2024-11-19 22:02:46,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:46,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953267595] [2024-11-19 22:02:46,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:46,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:46,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:46,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:46,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:46,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:46,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:46,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:02:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:46,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 22:02:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:46,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 22:02:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:46,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 22:02:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:46,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 22:02:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:46,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 22:02:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:46,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 22:02:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:02:46,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:46,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953267595] [2024-11-19 22:02:46,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953267595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:46,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:02:46,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:02:46,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923085858] [2024-11-19 22:02:46,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:46,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:02:46,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:46,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:02:46,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:02:46,536 INFO L87 Difference]: Start difference. First operand 801 states and 1345 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:47,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:47,668 INFO L93 Difference]: Finished difference Result 2014 states and 3463 transitions. [2024-11-19 22:02:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:02:47,668 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-11-19 22:02:47,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:47,676 INFO L225 Difference]: With dead ends: 2014 [2024-11-19 22:02:47,676 INFO L226 Difference]: Without dead ends: 1281 [2024-11-19 22:02:47,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:02:47,680 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 1199 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 1603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 394 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:47,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 1001 Invalid, 1603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [394 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:02:47,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2024-11-19 22:02:47,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1191. [2024-11-19 22:02:47,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 941 states have (on average 1.6514346439957492) internal successors, (1554), 949 states have internal predecessors, (1554), 224 states have call successors, (224), 21 states have call predecessors, (224), 25 states have return successors, (255), 222 states have call predecessors, (255), 223 states have call successors, (255) [2024-11-19 22:02:47,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 2033 transitions. [2024-11-19 22:02:47,740 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 2033 transitions. Word has length 118 [2024-11-19 22:02:47,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:47,741 INFO L471 AbstractCegarLoop]: Abstraction has 1191 states and 2033 transitions. [2024-11-19 22:02:47,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:47,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 2033 transitions. [2024-11-19 22:02:47,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 22:02:47,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:47,748 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:47,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 22:02:47,748 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:47,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:47,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1955977789, now seen corresponding path program 1 times [2024-11-19 22:02:47,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:47,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21819929] [2024-11-19 22:02:47,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:47,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:47,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:47,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:47,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:47,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:47,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:47,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:02:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:47,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-19 22:02:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:47,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 22:02:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:47,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 22:02:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:47,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 22:02:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:47,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 22:02:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:47,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 22:02:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:47,876 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:02:47,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:47,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21819929] [2024-11-19 22:02:47,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21819929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:47,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:02:47,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:02:47,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146479713] [2024-11-19 22:02:47,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:47,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:02:47,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:47,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:02:47,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:02:47,879 INFO L87 Difference]: Start difference. First operand 1191 states and 2033 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:49,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:49,010 INFO L93 Difference]: Finished difference Result 2963 states and 5137 transitions. [2024-11-19 22:02:49,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:02:49,011 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-11-19 22:02:49,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:49,023 INFO L225 Difference]: With dead ends: 2963 [2024-11-19 22:02:49,023 INFO L226 Difference]: Without dead ends: 1893 [2024-11-19 22:02:49,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:02:49,028 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1201 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:49,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 933 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 22:02:49,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1893 states. [2024-11-19 22:02:49,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1893 to 1803. [2024-11-19 22:02:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1434 states have (on average 1.6576011157601116) internal successors, (2377), 1442 states have internal predecessors, (2377), 343 states have call successors, (343), 21 states have call predecessors, (343), 25 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2024-11-19 22:02:49,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 3094 transitions. [2024-11-19 22:02:49,110 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 3094 transitions. Word has length 119 [2024-11-19 22:02:49,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:49,111 INFO L471 AbstractCegarLoop]: Abstraction has 1803 states and 3094 transitions. [2024-11-19 22:02:49,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:49,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 3094 transitions. [2024-11-19 22:02:49,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 22:02:49,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:49,120 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:49,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 22:02:49,121 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:49,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:49,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1049418757, now seen corresponding path program 1 times [2024-11-19 22:02:49,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:49,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95974824] [2024-11-19 22:02:49,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:49,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:49,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:49,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:49,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:49,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:49,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:49,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:02:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:49,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 22:02:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:49,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 22:02:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:49,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 22:02:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:49,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-19 22:02:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:49,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:02:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:49,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 22:02:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:02:49,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:49,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95974824] [2024-11-19 22:02:49,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95974824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:49,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:02:49,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:02:49,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694129119] [2024-11-19 22:02:49,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:49,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:02:49,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:49,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:02:49,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:02:49,230 INFO L87 Difference]: Start difference. First operand 1803 states and 3094 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:50,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:50,429 INFO L93 Difference]: Finished difference Result 4388 states and 7671 transitions. [2024-11-19 22:02:50,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:02:50,430 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-11-19 22:02:50,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:50,445 INFO L225 Difference]: With dead ends: 4388 [2024-11-19 22:02:50,445 INFO L226 Difference]: Without dead ends: 2831 [2024-11-19 22:02:50,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:02:50,452 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1198 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:50,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 931 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 1155 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 22:02:50,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2024-11-19 22:02:50,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2741. [2024-11-19 22:02:50,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2741 states, 2210 states have (on average 1.66289592760181) internal successors, (3675), 2218 states have internal predecessors, (3675), 505 states have call successors, (505), 21 states have call predecessors, (505), 25 states have return successors, (552), 503 states have call predecessors, (552), 504 states have call successors, (552) [2024-11-19 22:02:50,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2741 states and 4732 transitions. [2024-11-19 22:02:50,568 INFO L78 Accepts]: Start accepts. Automaton has 2741 states and 4732 transitions. Word has length 120 [2024-11-19 22:02:50,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:50,568 INFO L471 AbstractCegarLoop]: Abstraction has 2741 states and 4732 transitions. [2024-11-19 22:02:50,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:50,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 4732 transitions. [2024-11-19 22:02:50,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-19 22:02:50,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:50,581 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:50,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 22:02:50,581 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:50,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:50,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1243441026, now seen corresponding path program 1 times [2024-11-19 22:02:50,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:50,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361715039] [2024-11-19 22:02:50,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:50,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:50,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:50,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:50,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:50,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:50,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:50,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:02:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:50,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 22:02:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:50,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 22:02:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:50,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 22:02:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:50,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 22:02:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:50,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 22:02:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:50,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 22:02:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:02:50,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:50,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361715039] [2024-11-19 22:02:50,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361715039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:50,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:02:50,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:02:50,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100953925] [2024-11-19 22:02:50,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:50,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:02:50,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:50,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:02:50,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:02:50,689 INFO L87 Difference]: Start difference. First operand 2741 states and 4732 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:51,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:51,973 INFO L93 Difference]: Finished difference Result 6637 states and 11680 transitions. [2024-11-19 22:02:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:02:51,974 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2024-11-19 22:02:51,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:52,005 INFO L225 Difference]: With dead ends: 6637 [2024-11-19 22:02:52,005 INFO L226 Difference]: Without dead ends: 4346 [2024-11-19 22:02:52,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:02:52,017 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1198 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:52,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 932 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 1128 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 22:02:52,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4346 states. [2024-11-19 22:02:52,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4346 to 4256. [2024-11-19 22:02:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4256 states, 3480 states have (on average 1.6666666666666667) internal successors, (5800), 3488 states have internal predecessors, (5800), 750 states have call successors, (750), 21 states have call predecessors, (750), 25 states have return successors, (823), 748 states have call predecessors, (823), 749 states have call successors, (823) [2024-11-19 22:02:52,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 4256 states and 7373 transitions. [2024-11-19 22:02:52,257 INFO L78 Accepts]: Start accepts. Automaton has 4256 states and 7373 transitions. Word has length 121 [2024-11-19 22:02:52,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:52,257 INFO L471 AbstractCegarLoop]: Abstraction has 4256 states and 7373 transitions. [2024-11-19 22:02:52,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:52,258 INFO L276 IsEmpty]: Start isEmpty. Operand 4256 states and 7373 transitions. [2024-11-19 22:02:52,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-19 22:02:52,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:52,272 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:52,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 22:02:52,272 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:52,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:52,273 INFO L85 PathProgramCache]: Analyzing trace with hash -523521271, now seen corresponding path program 1 times [2024-11-19 22:02:52,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:52,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878377899] [2024-11-19 22:02:52,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:52,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:52,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:52,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:52,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:52,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:52,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:52,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:02:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:52,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 22:02:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:52,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 22:02:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:52,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 22:02:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:52,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 22:02:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:52,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 22:02:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:52,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 22:02:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:52,388 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:02:52,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:52,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878377899] [2024-11-19 22:02:52,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878377899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:52,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:02:52,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:02:52,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290290548] [2024-11-19 22:02:52,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:52,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:02:52,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:52,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:02:52,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:02:52,390 INFO L87 Difference]: Start difference. First operand 4256 states and 7373 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:53,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:53,774 INFO L93 Difference]: Finished difference Result 10653 states and 18792 transitions. [2024-11-19 22:02:53,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:02:53,774 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2024-11-19 22:02:53,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:53,811 INFO L225 Difference]: With dead ends: 10653 [2024-11-19 22:02:53,812 INFO L226 Difference]: Without dead ends: 7079 [2024-11-19 22:02:53,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:02:53,824 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1192 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 1562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:53,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 955 Invalid, 1562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 22:02:53,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7079 states. [2024-11-19 22:02:54,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7079 to 6989. [2024-11-19 22:02:54,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6989 states, 5720 states have (on average 1.6617132867132867) internal successors, (9505), 5728 states have internal predecessors, (9505), 1243 states have call successors, (1243), 21 states have call predecessors, (1243), 25 states have return successors, (1360), 1241 states have call predecessors, (1360), 1242 states have call successors, (1360) [2024-11-19 22:02:54,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6989 states to 6989 states and 12108 transitions. [2024-11-19 22:02:54,107 INFO L78 Accepts]: Start accepts. Automaton has 6989 states and 12108 transitions. Word has length 122 [2024-11-19 22:02:54,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:54,108 INFO L471 AbstractCegarLoop]: Abstraction has 6989 states and 12108 transitions. [2024-11-19 22:02:54,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:54,109 INFO L276 IsEmpty]: Start isEmpty. Operand 6989 states and 12108 transitions. [2024-11-19 22:02:54,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-19 22:02:54,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:54,128 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:54,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 22:02:54,128 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:54,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:54,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1115485310, now seen corresponding path program 1 times [2024-11-19 22:02:54,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:54,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264793724] [2024-11-19 22:02:54,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:54,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:54,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:54,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:54,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:54,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:54,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:54,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:02:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:54,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 22:02:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:54,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 22:02:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:54,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-19 22:02:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:54,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 22:02:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:54,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 22:02:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:54,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 22:02:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:02:54,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:54,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264793724] [2024-11-19 22:02:54,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264793724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:54,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:02:54,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:02:54,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735426196] [2024-11-19 22:02:54,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:54,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:02:54,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:54,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:02:54,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:02:54,243 INFO L87 Difference]: Start difference. First operand 6989 states and 12108 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:55,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:55,632 INFO L93 Difference]: Finished difference Result 17793 states and 31364 transitions. [2024-11-19 22:02:55,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:02:55,632 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2024-11-19 22:02:55,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:55,690 INFO L225 Difference]: With dead ends: 17793 [2024-11-19 22:02:55,691 INFO L226 Difference]: Without dead ends: 11863 [2024-11-19 22:02:55,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:02:55,717 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1188 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 1572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:55,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 941 Invalid, 1572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 22:02:55,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11863 states. [2024-11-19 22:02:56,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11863 to 11773. [2024-11-19 22:02:56,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11773 states, 9682 states have (on average 1.6611237347655443) internal successors, (16083), 9690 states have internal predecessors, (16083), 2065 states have call successors, (2065), 21 states have call predecessors, (2065), 25 states have return successors, (2260), 2063 states have call predecessors, (2260), 2064 states have call successors, (2260) [2024-11-19 22:02:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11773 states to 11773 states and 20408 transitions. [2024-11-19 22:02:56,226 INFO L78 Accepts]: Start accepts. Automaton has 11773 states and 20408 transitions. Word has length 123 [2024-11-19 22:02:56,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:56,226 INFO L471 AbstractCegarLoop]: Abstraction has 11773 states and 20408 transitions. [2024-11-19 22:02:56,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:56,227 INFO L276 IsEmpty]: Start isEmpty. Operand 11773 states and 20408 transitions. [2024-11-19 22:02:56,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 22:02:56,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:56,254 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:56,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 22:02:56,255 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:56,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:56,255 INFO L85 PathProgramCache]: Analyzing trace with hash -493220089, now seen corresponding path program 1 times [2024-11-19 22:02:56,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:56,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743375855] [2024-11-19 22:02:56,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:56,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:56,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:56,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:56,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:56,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:56,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:56,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:02:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:56,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 22:02:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:56,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 22:02:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:56,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 22:02:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:56,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 22:02:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:56,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 22:02:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:56,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-19 22:02:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:02:56,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:56,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743375855] [2024-11-19 22:02:56,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743375855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:56,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:02:56,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:02:56,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192637648] [2024-11-19 22:02:56,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:56,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:02:56,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:56,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:02:56,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:02:56,377 INFO L87 Difference]: Start difference. First operand 11773 states and 20408 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:57,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:57,728 INFO L93 Difference]: Finished difference Result 28226 states and 49489 transitions. [2024-11-19 22:02:57,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:02:57,730 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2024-11-19 22:02:57,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:57,819 INFO L225 Difference]: With dead ends: 28226 [2024-11-19 22:02:57,819 INFO L226 Difference]: Without dead ends: 18456 [2024-11-19 22:02:57,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:02:57,859 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1186 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 1571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:57,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 914 Invalid, 1571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:02:57,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18456 states. [2024-11-19 22:02:58,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18456 to 18366. [2024-11-19 22:02:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18366 states, 15072 states have (on average 1.6354166666666667) internal successors, (24649), 15080 states have internal predecessors, (24649), 3268 states have call successors, (3268), 21 states have call predecessors, (3268), 25 states have return successors, (3607), 3266 states have call predecessors, (3607), 3267 states have call successors, (3607) [2024-11-19 22:02:58,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18366 states to 18366 states and 31524 transitions. [2024-11-19 22:02:58,768 INFO L78 Accepts]: Start accepts. Automaton has 18366 states and 31524 transitions. Word has length 124 [2024-11-19 22:02:58,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:02:58,769 INFO L471 AbstractCegarLoop]: Abstraction has 18366 states and 31524 transitions. [2024-11-19 22:02:58,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:02:58,769 INFO L276 IsEmpty]: Start isEmpty. Operand 18366 states and 31524 transitions. [2024-11-19 22:02:58,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-19 22:02:58,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:02:58,801 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:02:58,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 22:02:58,801 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:02:58,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:02:58,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1450923677, now seen corresponding path program 1 times [2024-11-19 22:02:58,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:02:58,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663024889] [2024-11-19 22:02:58,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:02:58,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:02:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:58,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:02:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:58,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:02:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:58,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:02:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:58,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:02:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:58,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:02:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:58,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:02:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:58,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 22:02:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:58,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 22:02:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:58,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 22:02:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:58,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 22:02:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:58,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 22:02:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:58,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 22:02:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:02:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:02:58,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:02:58,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663024889] [2024-11-19 22:02:58,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663024889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:02:58,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:02:58,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:02:58,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480244893] [2024-11-19 22:02:58,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:02:58,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:02:58,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:02:58,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:02:58,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:02:58,943 INFO L87 Difference]: Start difference. First operand 18366 states and 31524 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:03:00,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:03:00,884 INFO L93 Difference]: Finished difference Result 48648 states and 84993 transitions. [2024-11-19 22:03:00,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:03:00,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2024-11-19 22:03:00,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:03:01,022 INFO L225 Difference]: With dead ends: 48648 [2024-11-19 22:03:01,022 INFO L226 Difference]: Without dead ends: 32892 [2024-11-19 22:03:01,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:03:01,062 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1188 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:03:01,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1207 Valid, 932 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 22:03:01,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32892 states. [2024-11-19 22:03:02,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32892 to 32802. [2024-11-19 22:03:02,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32802 states, 27058 states have (on average 1.6319018404907975) internal successors, (44156), 27066 states have internal predecessors, (44156), 5718 states have call successors, (5718), 21 states have call predecessors, (5718), 25 states have return successors, (6331), 5716 states have call predecessors, (6331), 5717 states have call successors, (6331) [2024-11-19 22:03:02,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32802 states to 32802 states and 56205 transitions. [2024-11-19 22:03:02,331 INFO L78 Accepts]: Start accepts. Automaton has 32802 states and 56205 transitions. Word has length 125 [2024-11-19 22:03:02,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:03:02,332 INFO L471 AbstractCegarLoop]: Abstraction has 32802 states and 56205 transitions. [2024-11-19 22:03:02,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:03:02,332 INFO L276 IsEmpty]: Start isEmpty. Operand 32802 states and 56205 transitions. [2024-11-19 22:03:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-19 22:03:02,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:03:02,360 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:03:02,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 22:03:02,361 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:03:02,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:03:02,361 INFO L85 PathProgramCache]: Analyzing trace with hash 22185197, now seen corresponding path program 1 times [2024-11-19 22:03:02,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:03:02,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812052233] [2024-11-19 22:03:02,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:03:02,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:03:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:02,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:03:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:02,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:03:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:02,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:03:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:02,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:03:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:02,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:03:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:02,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:03:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:02,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 22:03:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:02,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-19 22:03:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:02,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 22:03:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:02,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 22:03:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:02,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 22:03:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:02,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-19 22:03:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:03:02,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:03:02,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812052233] [2024-11-19 22:03:02,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812052233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:03:02,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:03:02,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:03:02,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268711688] [2024-11-19 22:03:02,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:03:02,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:03:02,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:03:02,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:03:02,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:03:02,506 INFO L87 Difference]: Start difference. First operand 32802 states and 56205 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:03:04,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:03:04,989 INFO L93 Difference]: Finished difference Result 89545 states and 155627 transitions. [2024-11-19 22:03:04,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:03:04,990 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2024-11-19 22:03:04,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:03:05,295 INFO L225 Difference]: With dead ends: 89545 [2024-11-19 22:03:05,296 INFO L226 Difference]: Without dead ends: 60229 [2024-11-19 22:03:05,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:03:05,397 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1183 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 419 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 419 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:03:05,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 940 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [419 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 22:03:05,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60229 states. [2024-11-19 22:03:07,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60229 to 60139. [2024-11-19 22:03:07,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60139 states, 49882 states have (on average 1.6274207128824025) internal successors, (81179), 49890 states have internal predecessors, (81179), 10231 states have call successors, (10231), 21 states have call predecessors, (10231), 25 states have return successors, (11376), 10229 states have call predecessors, (11376), 10230 states have call successors, (11376) [2024-11-19 22:03:07,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60139 states to 60139 states and 102786 transitions. [2024-11-19 22:03:07,797 INFO L78 Accepts]: Start accepts. Automaton has 60139 states and 102786 transitions. Word has length 126 [2024-11-19 22:03:07,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:03:07,798 INFO L471 AbstractCegarLoop]: Abstraction has 60139 states and 102786 transitions. [2024-11-19 22:03:07,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:03:07,798 INFO L276 IsEmpty]: Start isEmpty. Operand 60139 states and 102786 transitions. [2024-11-19 22:03:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-19 22:03:07,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:03:07,837 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:03:07,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 22:03:07,838 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:03:07,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:03:07,838 INFO L85 PathProgramCache]: Analyzing trace with hash 906841661, now seen corresponding path program 1 times [2024-11-19 22:03:07,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:03:07,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029074816] [2024-11-19 22:03:07,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:03:07,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:03:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:07,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:03:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:07,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:03:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:07,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:03:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:07,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:03:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:07,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:03:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:07,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:03:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:07,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 22:03:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:07,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 22:03:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:07,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 22:03:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:07,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 22:03:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:07,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 22:03:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:07,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-19 22:03:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:07,963 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:03:07,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:03:07,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029074816] [2024-11-19 22:03:07,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029074816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:03:07,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:03:07,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:03:07,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95430524] [2024-11-19 22:03:07,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:03:07,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:03:07,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:03:07,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:03:07,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:03:07,966 INFO L87 Difference]: Start difference. First operand 60139 states and 102786 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:03:11,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:03:11,259 INFO L93 Difference]: Finished difference Result 112636 states and 196205 transitions. [2024-11-19 22:03:11,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:03:11,260 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 127 [2024-11-19 22:03:11,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:03:11,947 INFO L225 Difference]: With dead ends: 112636 [2024-11-19 22:03:11,948 INFO L226 Difference]: Without dead ends: 112487 [2024-11-19 22:03:11,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:03:11,992 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1177 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 1572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:03:11,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 974 Invalid, 1572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 22:03:12,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112487 states. [2024-11-19 22:03:15,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112487 to 112397. [2024-11-19 22:03:15,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112397 states, 93772 states have (on average 1.621870067824084) internal successors, (152086), 93780 states have internal predecessors, (152086), 18599 states have call successors, (18599), 21 states have call predecessors, (18599), 25 states have return successors, (20790), 18597 states have call predecessors, (20790), 18598 states have call successors, (20790) [2024-11-19 22:03:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112397 states to 112397 states and 191475 transitions. [2024-11-19 22:03:16,058 INFO L78 Accepts]: Start accepts. Automaton has 112397 states and 191475 transitions. Word has length 127 [2024-11-19 22:03:16,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:03:16,058 INFO L471 AbstractCegarLoop]: Abstraction has 112397 states and 191475 transitions. [2024-11-19 22:03:16,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 22:03:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 112397 states and 191475 transitions. [2024-11-19 22:03:16,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-19 22:03:16,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:03:16,098 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:03:16,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 22:03:16,098 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:03:16,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:03:16,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1031317938, now seen corresponding path program 1 times [2024-11-19 22:03:16,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:03:16,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949486429] [2024-11-19 22:03:16,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:03:16,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:03:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:16,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:03:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:16,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:03:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:16,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:03:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:16,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:03:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:16,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:03:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:16,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:03:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:16,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 22:03:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:16,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 22:03:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:16,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 22:03:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:16,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 22:03:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:16,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 22:03:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:16,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-19 22:03:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:03:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:03:16,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:03:16,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949486429] [2024-11-19 22:03:16,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949486429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:03:16,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:03:16,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-19 22:03:16,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326749962] [2024-11-19 22:03:16,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:03:16,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 22:03:16,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:03:16,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 22:03:16,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-11-19 22:03:16,545 INFO L87 Difference]: Start difference. First operand 112397 states and 191475 transitions. Second operand has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 10 states have internal predecessors, (88), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-19 22:03:25,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:03:25,604 INFO L93 Difference]: Finished difference Result 224141 states and 393826 transitions. [2024-11-19 22:03:25,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-19 22:03:25,604 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 10 states have internal predecessors, (88), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 128 [2024-11-19 22:03:25,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:03:26,971 INFO L225 Difference]: With dead ends: 224141 [2024-11-19 22:03:26,972 INFO L226 Difference]: Without dead ends: 223998 [2024-11-19 22:03:27,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 957 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=715, Invalid=2825, Unknown=0, NotChecked=0, Total=3540 [2024-11-19 22:03:27,051 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 4101 mSDsluCounter, 2672 mSDsCounter, 0 mSdLazyCounter, 6084 mSolverCounterSat, 1359 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4101 SdHoareTripleChecker+Valid, 2930 SdHoareTripleChecker+Invalid, 7443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1359 IncrementalHoareTripleChecker+Valid, 6084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:03:27,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4101 Valid, 2930 Invalid, 7443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1359 Valid, 6084 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-19 22:03:27,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223998 states. [2024-11-19 22:03:34,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223998 to 223747. [2024-11-19 22:03:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223747 states, 186738 states have (on average 1.6225299617646114) internal successors, (302988), 186644 states have internal predecessors, (302988), 36946 states have call successors, (36946), 54 states have call predecessors, (36946), 62 states have return successors, (44608), 37054 states have call predecessors, (44608), 36943 states have call successors, (44608)