./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec7_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec7_product27.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 ac03fde86830071a4c6b2e5721972db0abe9813dd0e80632e775695a294f996c --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 05:35:57,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 05:35:57,950 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 05:35:57,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 05:35:57,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 05:35:57,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 05:35:57,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 05:35:57,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 05:35:57,978 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 05:35:57,978 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 05:35:57,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 05:35:57,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 05:35:57,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 05:35:57,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 05:35:57,980 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 05:35:57,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 05:35:57,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 05:35:57,980 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 05:35:57,980 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 05:35:57,980 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 05:35:57,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 05:35:57,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 05:35:57,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 05:35:57,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 05:35:57,981 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 05:35:57,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 05:35:57,981 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 05:35:57,981 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 05:35:57,981 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 05:35:57,981 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 05:35:57,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 05:35:57,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 05:35:57,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:35:57,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 05:35:57,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 05:35:57,982 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 05:35:57,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 05:35:57,982 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 05:35:57,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 05:35:57,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 05:35:57,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 05:35:57,982 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 05:35:57,982 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 05:35:57,983 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> ac03fde86830071a4c6b2e5721972db0abe9813dd0e80632e775695a294f996c [2025-03-08 05:35:58,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 05:35:58,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 05:35:58,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 05:35:58,242 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 05:35:58,242 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 05:35:58,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product27.cil.c [2025-03-08 05:35:59,412 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3104de048/5bebe2dd812f4e7fbbf4f0988fc19be6/FLAGe9d8eb041 [2025-03-08 05:35:59,730 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 05:35:59,731 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product27.cil.c [2025-03-08 05:35:59,753 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3104de048/5bebe2dd812f4e7fbbf4f0988fc19be6/FLAGe9d8eb041 [2025-03-08 05:35:59,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3104de048/5bebe2dd812f4e7fbbf4f0988fc19be6 [2025-03-08 05:35:59,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 05:35:59,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 05:35:59,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 05:35:59,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 05:35:59,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 05:35:59,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:35:59" (1/1) ... [2025-03-08 05:35:59,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0bded5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:59, skipping insertion in model container [2025-03-08 05:35:59,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:35:59" (1/1) ... [2025-03-08 05:35:59,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 05:36:00,076 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_spec7_product27.cil.c[14691,14704] [2025-03-08 05:36:00,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:36:00,231 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 05:36:00,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2025-03-08 05:36:00,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [281] [2025-03-08 05:36:00,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [685] [2025-03-08 05:36:00,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [702] [2025-03-08 05:36:00,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [711] [2025-03-08 05:36:00,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1114] [2025-03-08 05:36:00,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1426] [2025-03-08 05:36:00,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1461] [2025-03-08 05:36:00,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2521] [2025-03-08 05:36:00,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [2887] [2025-03-08 05:36:00,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2905] [2025-03-08 05:36:00,267 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_spec7_product27.cil.c[14691,14704] [2025-03-08 05:36:00,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:36:00,348 INFO L204 MainTranslator]: Completed translation [2025-03-08 05:36:00,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00 WrapperNode [2025-03-08 05:36:00,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 05:36:00,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 05:36:00,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 05:36:00,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 05:36:00,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00" (1/1) ... [2025-03-08 05:36:00,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00" (1/1) ... [2025-03-08 05:36:00,405 INFO L138 Inliner]: procedures = 133, calls = 207, calls flagged for inlining = 65, calls inlined = 62, statements flattened = 1124 [2025-03-08 05:36:00,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 05:36:00,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 05:36:00,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 05:36:00,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 05:36:00,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00" (1/1) ... [2025-03-08 05:36:00,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00" (1/1) ... [2025-03-08 05:36:00,417 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00" (1/1) ... [2025-03-08 05:36:00,433 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]. [2025-03-08 05:36:00,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00" (1/1) ... [2025-03-08 05:36:00,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00" (1/1) ... [2025-03-08 05:36:00,456 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00" (1/1) ... [2025-03-08 05:36:00,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00" (1/1) ... [2025-03-08 05:36:00,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00" (1/1) ... [2025-03-08 05:36:00,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00" (1/1) ... [2025-03-08 05:36:00,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 05:36:00,470 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 05:36:00,470 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 05:36:00,470 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 05:36:00,471 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00" (1/1) ... [2025-03-08 05:36:00,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:36:00,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:36:00,503 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) [2025-03-08 05:36:00,506 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 [2025-03-08 05:36:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-03-08 05:36:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-03-08 05:36:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-03-08 05:36:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-03-08 05:36:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-03-08 05:36:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-03-08 05:36:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2025-03-08 05:36:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2025-03-08 05:36:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-03-08 05:36:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-03-08 05:36:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-03-08 05:36:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-03-08 05:36:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-03-08 05:36:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-03-08 05:36:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-03-08 05:36:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-03-08 05:36:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-03-08 05:36:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-03-08 05:36:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-03-08 05:36:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-03-08 05:36:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2025-03-08 05:36:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-03-08 05:36:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-03-08 05:36:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-03-08 05:36:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-03-08 05:36:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-03-08 05:36:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-03-08 05:36:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-03-08 05:36:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-03-08 05:36:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-03-08 05:36:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 05:36:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-03-08 05:36:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-03-08 05:36:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-03-08 05:36:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-03-08 05:36:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 05:36:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 05:36:00,694 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 05:36:00,696 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 05:36:00,778 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2063-1: getClientPrivateKey_#res#1 := getClientPrivateKey_~retValue_acc~29#1; [2025-03-08 05:36:00,784 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021: #res := ~retValue_acc~14; [2025-03-08 05:36:00,807 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2110-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~30#1; [2025-03-08 05:36:00,807 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2155: #res#1 := ~retValue_acc~31#1; [2025-03-08 05:36:00,815 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2998-1: createEmail_#res#1 := createEmail_~retValue_acc~42#1; [2025-03-08 05:36:00,831 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1607: #res := ~retValue_acc~23; [2025-03-08 05:36:00,862 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058: #res := ~retValue_acc~15; [2025-03-08 05:36:00,889 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L832: #res := ~retValue_acc~9; [2025-03-08 05:36:00,939 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1933: #res := ~retValue_acc~27; [2025-03-08 05:36:01,104 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~4#1; [2025-03-08 05:36:01,105 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2498-1: getClientId_#res#1 := getClientId_~retValue_acc~36#1; [2025-03-08 05:36:01,105 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1095-1: isVerified_#res#1 := isVerified_~retValue_acc~16#1; [2025-03-08 05:36:01,105 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L758-1: getEmailId_#res#1 := getEmailId_~retValue_acc~7#1; [2025-03-08 05:36:01,105 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2451-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~35#1; [2025-03-08 05:36:01,105 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2379-1: findPublicKey_#res#1 := findPublicKey_~retValue_acc~34#1; [2025-03-08 05:36:01,105 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2016-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~28#1; [2025-03-08 05:36:01,326 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L531-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~2#1; [2025-03-08 05:36:01,327 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1458-1: valid_product_#res#1 := valid_product_~retValue_acc~19#1; [2025-03-08 05:36:01,327 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2218-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~32#1; [2025-03-08 05:36:01,327 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L522-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~1#1; [2025-03-08 05:36:01,327 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L540-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~3#1; [2025-03-08 05:36:01,327 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2325-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~33#1; [2025-03-08 05:36:01,331 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L795: #res := ~retValue_acc~8; [2025-03-08 05:36:01,333 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2974: #res := ~retValue_acc~40; [2025-03-08 05:36:01,447 INFO L? ?]: Removed 564 outVars from TransFormulas that were not future-live. [2025-03-08 05:36:01,447 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 05:36:01,462 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 05:36:01,463 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 05:36:01,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:36:01 BoogieIcfgContainer [2025-03-08 05:36:01,463 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 05:36:01,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 05:36:01,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 05:36:01,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 05:36:01,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:35:59" (1/3) ... [2025-03-08 05:36:01,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62279b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:36:01, skipping insertion in model container [2025-03-08 05:36:01,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:36:00" (2/3) ... [2025-03-08 05:36:01,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62279b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:36:01, skipping insertion in model container [2025-03-08 05:36:01,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:36:01" (3/3) ... [2025-03-08 05:36:01,470 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec7_product27.cil.c [2025-03-08 05:36:01,480 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 05:36:01,482 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec7_product27.cil.c that has 23 procedures, 396 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 05:36:01,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 05:36:01,534 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;@5c613ca3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 05:36:01,536 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 05:36:01,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 314 states have (on average 1.5668789808917198) internal successors, (492), 317 states have internal predecessors, (492), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-08 05:36:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-08 05:36:01,556 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:36:01,556 INFO L218 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] [2025-03-08 05:36:01,557 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:36:01,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:36:01,562 INFO L85 PathProgramCache]: Analyzing trace with hash -2084803423, now seen corresponding path program 1 times [2025-03-08 05:36:01,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:36:01,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364186418] [2025-03-08 05:36:01,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:36:01,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:36:01,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-08 05:36:01,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-08 05:36:01,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:36:01,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:36:02,142 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-08 05:36:02,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:36:02,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364186418] [2025-03-08 05:36:02,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364186418] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:36:02,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703826271] [2025-03-08 05:36:02,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:36:02,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:36:02,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:36:02,148 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) [2025-03-08 05:36:02,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 05:36:02,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-08 05:36:02,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-08 05:36:02,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:36:02,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:36:02,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 05:36:02,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:36:02,463 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-08 05:36:02,464 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:36:02,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703826271] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:36:02,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:36:02,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-08 05:36:02,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905813868] [2025-03-08 05:36:02,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:36:02,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:36:02,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:36:02,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:36:02,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:36:02,488 INFO L87 Difference]: Start difference. First operand has 396 states, 314 states have (on average 1.5668789808917198) internal successors, (492), 317 states have internal predecessors, (492), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2025-03-08 05:36:02,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:36:02,563 INFO L93 Difference]: Finished difference Result 597 states and 904 transitions. [2025-03-08 05:36:02,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:36:02,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 95 [2025-03-08 05:36:02,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:36:02,579 INFO L225 Difference]: With dead ends: 597 [2025-03-08 05:36:02,579 INFO L226 Difference]: Without dead ends: 390 [2025-03-08 05:36:02,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:36:02,586 INFO L435 NwaCegarLoop]: 604 mSDtfsCounter, 0 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:36:02,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1205 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:36:02,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-03-08 05:36:02,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2025-03-08 05:36:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 309 states have (on average 1.5631067961165048) internal successors, (483), 311 states have internal predecessors, (483), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2025-03-08 05:36:02,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 598 transitions. [2025-03-08 05:36:02,635 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 598 transitions. Word has length 95 [2025-03-08 05:36:02,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:36:02,636 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 598 transitions. [2025-03-08 05:36:02,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2025-03-08 05:36:02,637 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 598 transitions. [2025-03-08 05:36:02,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-08 05:36:02,641 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:36:02,641 INFO L218 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, 1, 1, 1] [2025-03-08 05:36:02,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 05:36:02,842 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 [2025-03-08 05:36:02,842 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:36:02,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:36:02,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1158358344, now seen corresponding path program 1 times [2025-03-08 05:36:02,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:36:02,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411489923] [2025-03-08 05:36:02,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:36:02,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:36:02,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 05:36:02,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 05:36:02,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:36:02,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:36:03,058 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-08 05:36:03,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:36:03,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411489923] [2025-03-08 05:36:03,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411489923] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:36:03,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448575778] [2025-03-08 05:36:03,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:36:03,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:36:03,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:36:03,062 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) [2025-03-08 05:36:03,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 05:36:03,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 05:36:03,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 05:36:03,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:36:03,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:36:03,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 05:36:03,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:36:03,332 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-08 05:36:03,332 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:36:03,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448575778] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:36:03,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:36:03,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-08 05:36:03,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962715121] [2025-03-08 05:36:03,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:36:03,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:36:03,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:36:03,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:36:03,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:36:03,334 INFO L87 Difference]: Start difference. First operand 390 states and 598 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2025-03-08 05:36:03,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:36:03,371 INFO L93 Difference]: Finished difference Result 832 states and 1295 transitions. [2025-03-08 05:36:03,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:36:03,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 102 [2025-03-08 05:36:03,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:36:03,374 INFO L225 Difference]: With dead ends: 832 [2025-03-08 05:36:03,374 INFO L226 Difference]: Without dead ends: 468 [2025-03-08 05:36:03,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:36:03,375 INFO L435 NwaCegarLoop]: 614 mSDtfsCounter, 142 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1165 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 [2025-03-08 05:36:03,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1165 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:36:03,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2025-03-08 05:36:03,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 460. [2025-03-08 05:36:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 365 states have (on average 1.5835616438356164) internal successors, (578), 367 states have internal predecessors, (578), 72 states have call successors, (72), 22 states have call predecessors, (72), 22 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-08 05:36:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 721 transitions. [2025-03-08 05:36:03,405 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 721 transitions. Word has length 102 [2025-03-08 05:36:03,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:36:03,406 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 721 transitions. [2025-03-08 05:36:03,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2025-03-08 05:36:03,407 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 721 transitions. [2025-03-08 05:36:03,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-08 05:36:03,411 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:36:03,411 INFO L218 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, 1, 1, 1, 1] [2025-03-08 05:36:03,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 05:36:03,612 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 [2025-03-08 05:36:03,612 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:36:03,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:36:03,613 INFO L85 PathProgramCache]: Analyzing trace with hash 580076674, now seen corresponding path program 1 times [2025-03-08 05:36:03,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:36:03,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759617122] [2025-03-08 05:36:03,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:36:03,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:36:03,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-08 05:36:03,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-08 05:36:03,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:36:03,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:36:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-08 05:36:03,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:36:03,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759617122] [2025-03-08 05:36:03,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759617122] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:36:03,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929428985] [2025-03-08 05:36:03,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:36:03,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:36:03,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:36:03,812 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) [2025-03-08 05:36:03,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 05:36:03,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-08 05:36:04,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-08 05:36:04,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:36:04,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:36:04,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-08 05:36:04,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:36:04,100 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-08 05:36:04,100 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:36:04,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929428985] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:36:04,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:36:04,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-08 05:36:04,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884552581] [2025-03-08 05:36:04,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:36:04,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:36:04,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:36:04,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:36:04,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:36:04,102 INFO L87 Difference]: Start difference. First operand 460 states and 721 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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) [2025-03-08 05:36:04,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:36:04,175 INFO L93 Difference]: Finished difference Result 911 states and 1432 transitions. [2025-03-08 05:36:04,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:36:04,176 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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 103 [2025-03-08 05:36:04,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:36:04,179 INFO L225 Difference]: With dead ends: 911 [2025-03-08 05:36:04,179 INFO L226 Difference]: Without dead ends: 462 [2025-03-08 05:36:04,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:36:04,184 INFO L435 NwaCegarLoop]: 589 mSDtfsCounter, 2 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2345 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 [2025-03-08 05:36:04,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2345 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:36:04,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2025-03-08 05:36:04,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2025-03-08 05:36:04,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 366 states have (on average 1.5819672131147542) internal successors, (579), 369 states have internal predecessors, (579), 72 states have call successors, (72), 22 states have call predecessors, (72), 23 states have return successors, (73), 70 states have call predecessors, (73), 71 states have call successors, (73) [2025-03-08 05:36:04,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 724 transitions. [2025-03-08 05:36:04,211 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 724 transitions. Word has length 103 [2025-03-08 05:36:04,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:36:04,211 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 724 transitions. [2025-03-08 05:36:04,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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) [2025-03-08 05:36:04,211 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 724 transitions. [2025-03-08 05:36:04,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-08 05:36:04,214 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:36:04,215 INFO L218 NwaCegarLoop]: trace histogram [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, 1] [2025-03-08 05:36:04,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-08 05:36:04,415 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 [2025-03-08 05:36:04,415 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:36:04,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:36:04,416 INFO L85 PathProgramCache]: Analyzing trace with hash -2048076431, now seen corresponding path program 1 times [2025-03-08 05:36:04,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:36:04,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339431282] [2025-03-08 05:36:04,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:36:04,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:36:04,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-08 05:36:04,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-08 05:36:04,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:36:04,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:36:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-03-08 05:36:04,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:36:04,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339431282] [2025-03-08 05:36:04,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339431282] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:36:04,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752560191] [2025-03-08 05:36:04,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:36:04,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:36:04,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:36:04,587 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) [2025-03-08 05:36:04,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 05:36:04,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-08 05:36:04,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-08 05:36:04,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:36:04,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:36:04,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 05:36:04,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:36:04,827 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-08 05:36:04,827 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:36:04,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752560191] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:36:04,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:36:04,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-03-08 05:36:04,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466621122] [2025-03-08 05:36:04,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:36:04,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:36:04,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:36:04,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:36:04,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-08 05:36:04,829 INFO L87 Difference]: Start difference. First operand 462 states and 724 transitions. Second operand has 5 states, 5 states have (on average 14.4) 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), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 05:36:04,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:36:04,889 INFO L93 Difference]: Finished difference Result 913 states and 1437 transitions. [2025-03-08 05:36:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:36:04,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) 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), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 104 [2025-03-08 05:36:04,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:36:04,892 INFO L225 Difference]: With dead ends: 913 [2025-03-08 05:36:04,892 INFO L226 Difference]: Without dead ends: 464 [2025-03-08 05:36:04,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-08 05:36:04,895 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 2 mSDsluCounter, 1744 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2331 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 [2025-03-08 05:36:04,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2331 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:36:04,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2025-03-08 05:36:04,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2025-03-08 05:36:04,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 367 states have (on average 1.5803814713896458) internal successors, (580), 371 states have internal predecessors, (580), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (78), 70 states have call predecessors, (78), 71 states have call successors, (78) [2025-03-08 05:36:04,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 730 transitions. [2025-03-08 05:36:04,912 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 730 transitions. Word has length 104 [2025-03-08 05:36:04,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:36:04,913 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 730 transitions. [2025-03-08 05:36:04,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) 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), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 05:36:04,913 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 730 transitions. [2025-03-08 05:36:04,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-08 05:36:04,916 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:36:04,916 INFO L218 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] [2025-03-08 05:36:04,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-08 05:36:05,116 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 [2025-03-08 05:36:05,117 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:36:05,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:36:05,117 INFO L85 PathProgramCache]: Analyzing trace with hash -245866757, now seen corresponding path program 1 times [2025-03-08 05:36:05,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:36:05,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482644653] [2025-03-08 05:36:05,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:36:05,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:36:05,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-08 05:36:05,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-08 05:36:05,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:36:05,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:36:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-08 05:36:05,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:36:05,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482644653] [2025-03-08 05:36:05,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482644653] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:36:05,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:36:05,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:36:05,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889946914] [2025-03-08 05:36:05,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:36:05,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:36:05,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:36:05,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:36:05,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:36:05,248 INFO L87 Difference]: Start difference. First operand 464 states and 730 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 05:36:05,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:36:05,292 INFO L93 Difference]: Finished difference Result 905 states and 1428 transitions. [2025-03-08 05:36:05,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:36:05,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 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 105 [2025-03-08 05:36:05,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:36:05,296 INFO L225 Difference]: With dead ends: 905 [2025-03-08 05:36:05,297 INFO L226 Difference]: Without dead ends: 464 [2025-03-08 05:36:05,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:36:05,299 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 2 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2349 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:36:05,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2349 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:36:05,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2025-03-08 05:36:05,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2025-03-08 05:36:05,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 367 states have (on average 1.5803814713896458) internal successors, (580), 371 states have internal predecessors, (580), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (77), 70 states have call predecessors, (77), 71 states have call successors, (77) [2025-03-08 05:36:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 729 transitions. [2025-03-08 05:36:05,322 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 729 transitions. Word has length 105 [2025-03-08 05:36:05,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:36:05,322 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 729 transitions. [2025-03-08 05:36:05,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 05:36:05,325 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 729 transitions. [2025-03-08 05:36:05,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-08 05:36:05,326 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:36:05,326 INFO L218 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] [2025-03-08 05:36:05,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 05:36:05,327 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:36:05,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:36:05,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1143189324, now seen corresponding path program 2 times [2025-03-08 05:36:05,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:36:05,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365890694] [2025-03-08 05:36:05,330 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 05:36:05,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:36:05,346 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 106 statements into 2 equivalence classes. [2025-03-08 05:36:05,356 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 43 of 106 statements. [2025-03-08 05:36:05,356 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 05:36:05,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:36:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-03-08 05:36:05,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:36:05,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365890694] [2025-03-08 05:36:05,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365890694] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:36:05,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:36:05,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:36:05,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628980435] [2025-03-08 05:36:05,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:36:05,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:36:05,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:36:05,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:36:05,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:36:05,412 INFO L87 Difference]: Start difference. First operand 464 states and 729 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-08 05:36:05,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:36:05,436 INFO L93 Difference]: Finished difference Result 464 states and 729 transitions. [2025-03-08 05:36:05,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:36:05,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 106 [2025-03-08 05:36:05,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:36:05,438 INFO L225 Difference]: With dead ends: 464 [2025-03-08 05:36:05,439 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 05:36:05,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:36:05,441 INFO L435 NwaCegarLoop]: 593 mSDtfsCounter, 0 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2365 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:36:05,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2365 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:36:05,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 05:36:05,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 05:36:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 05:36:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 05:36:05,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2025-03-08 05:36:05,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:36:05,446 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 05:36:05,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-08 05:36:05,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 05:36:05,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 05:36:05,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 05:36:05,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 05:36:05,450 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2025-03-08 05:36:05,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 05:36:05,534 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 05:36:05,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 05:36:05 BoogieIcfgContainer [2025-03-08 05:36:05,545 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 05:36:05,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 05:36:05,546 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 05:36:05,546 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 05:36:05,546 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:36:01" (3/4) ... [2025-03-08 05:36:05,547 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isSigned [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure queue [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-03-08 05:36:05,552 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-03-08 05:36:05,572 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2025-03-08 05:36:05,574 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2025-03-08 05:36:05,575 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-03-08 05:36:05,576 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 05:36:05,578 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 05:36:05,579 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 05:36:05,677 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 05:36:05,678 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 05:36:05,678 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 05:36:05,678 INFO L158 Benchmark]: Toolchain (without parser) took 5906.66ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 119.8MB in the beginning and 53.5MB in the end (delta: 66.3MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. [2025-03-08 05:36:05,678 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 201.3MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:36:05,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.47ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 81.0MB in the end (delta: 38.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-08 05:36:05,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.73ms. Allocated memory is still 167.8MB. Free memory was 81.0MB in the beginning and 75.2MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:36:05,679 INFO L158 Benchmark]: Boogie Preprocessor took 63.93ms. Allocated memory is still 167.8MB. Free memory was 75.2MB in the beginning and 69.0MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 05:36:05,679 INFO L158 Benchmark]: IcfgBuilder took 992.88ms. Allocated memory is still 167.8MB. Free memory was 69.0MB in the beginning and 59.5MB in the end (delta: 9.5MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2025-03-08 05:36:05,679 INFO L158 Benchmark]: TraceAbstraction took 4080.47ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 59.5MB in the beginning and 74.3MB in the end (delta: -14.9MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2025-03-08 05:36:05,679 INFO L158 Benchmark]: Witness Printer took 132.28ms. Allocated memory is still 201.3MB. Free memory was 74.3MB in the beginning and 53.5MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 05:36:05,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 201.3MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.47ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 81.0MB in the end (delta: 38.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.73ms. Allocated memory is still 167.8MB. Free memory was 81.0MB in the beginning and 75.2MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.93ms. Allocated memory is still 167.8MB. Free memory was 75.2MB in the beginning and 69.0MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 992.88ms. Allocated memory is still 167.8MB. Free memory was 69.0MB in the beginning and 59.5MB in the end (delta: 9.5MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4080.47ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 59.5MB in the beginning and 74.3MB in the end (delta: -14.9MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 132.28ms. Allocated memory is still 201.3MB. Free memory was 74.3MB in the beginning and 53.5MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] - GenericResultAtLocation [Line: 281]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [281] - GenericResultAtLocation [Line: 685]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [685] - GenericResultAtLocation [Line: 702]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [702] - GenericResultAtLocation [Line: 711]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [711] - GenericResultAtLocation [Line: 1114]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1114] - GenericResultAtLocation [Line: 1426]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1426] - GenericResultAtLocation [Line: 1461]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1461] - GenericResultAtLocation [Line: 2521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2521] - GenericResultAtLocation [Line: 2887]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [2887] - GenericResultAtLocation [Line: 2905]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2905] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 707]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 396 locations, 666 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 11760 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8183 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 137 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3577 mSDtfsCounter, 137 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 433 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=464occurred in iteration=4, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1019 NumberOfCodeBlocks, 956 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1009 ConstructedInterpolants, 0 QuantifiedInterpolants, 1100 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4075 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 274/289 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 05:36:05,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE