./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 00530584ceb95509e59a4223c6066e974815f5b40475a70fc9a47cceec3e0b2f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:40:58,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:40:58,485 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:40:58,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:40:58,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:40:58,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:40:58,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:40:58,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:40:58,510 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:40:58,511 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:40:58,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:40:58,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:40:58,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:40:58,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:40:58,512 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:40:58,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:40:58,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:40:58,512 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:40:58,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:40:58,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:40:58,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:40:58,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:40:58,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:40:58,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:40:58,513 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:40:58,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:40:58,513 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:40:58,513 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:40:58,514 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:40:58,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:40:58,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:40:58,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:40:58,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:40:58,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:40:58,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:40:58,515 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:40:58,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:40:58,515 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:40:58,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:40:58,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:40:58,515 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:40:58,515 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:40:58,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:40:58,515 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-jdk21/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 -> 00530584ceb95509e59a4223c6066e974815f5b40475a70fc9a47cceec3e0b2f [2025-02-05 15:40:58,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:40:58,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:40:58,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:40:58,819 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:40:58,820 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:40:58,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c [2025-02-05 15:40:59,970 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fa081613f/6d430936478d433f997fdd357adebd1e/FLAGfbda62be0 [2025-02-05 15:41:00,254 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:41:00,255 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product27.cil.c [2025-02-05 15:41:00,279 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fa081613f/6d430936478d433f997fdd357adebd1e/FLAGfbda62be0 [2025-02-05 15:41:00,553 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fa081613f/6d430936478d433f997fdd357adebd1e [2025-02-05 15:41:00,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:41:00,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:41:00,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:41:00,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:41:00,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:41:00,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:41:00" (1/1) ... [2025-02-05 15:41:00,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc7462d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:00, skipping insertion in model container [2025-02-05 15:41:00,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:41:00" (1/1) ... [2025-02-05 15:41:00,600 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:41:00,893 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product27.cil.c[34014,34027] [2025-02-05 15:41:01,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:41:01,036 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:41:01,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2025-02-05 15:41:01,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1128] [2025-02-05 15:41:01,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1525] [2025-02-05 15:41:01,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1534] [2025-02-05 15:41:01,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1572] [2025-02-05 15:41:01,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1670] [2025-02-05 15:41:01,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1980] [2025-02-05 15:41:01,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2346] [2025-02-05 15:41:01,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2568] [2025-02-05 15:41:01,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2585] [2025-02-05 15:41:01,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2604] [2025-02-05 15:41:01,082 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product27.cil.c[34014,34027] [2025-02-05 15:41:01,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:41:01,145 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:41:01,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01 WrapperNode [2025-02-05 15:41:01,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:41:01,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:41:01,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:41:01,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:41:01,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01" (1/1) ... [2025-02-05 15:41:01,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01" (1/1) ... [2025-02-05 15:41:01,232 INFO L138 Inliner]: procedures = 133, calls = 207, calls flagged for inlining = 65, calls inlined = 62, statements flattened = 1126 [2025-02-05 15:41:01,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:41:01,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:41:01,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:41:01,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:41:01,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01" (1/1) ... [2025-02-05 15:41:01,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01" (1/1) ... [2025-02-05 15:41:01,251 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01" (1/1) ... [2025-02-05 15:41:01,285 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]. [2025-02-05 15:41:01,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01" (1/1) ... [2025-02-05 15:41:01,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01" (1/1) ... [2025-02-05 15:41:01,312 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01" (1/1) ... [2025-02-05 15:41:01,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01" (1/1) ... [2025-02-05 15:41:01,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01" (1/1) ... [2025-02-05 15:41:01,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01" (1/1) ... [2025-02-05 15:41:01,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:41:01,334 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:41:01,335 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:41:01,335 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:41:01,336 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01" (1/1) ... [2025-02-05 15:41:01,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:41:01,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:41:01,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 15:41:01,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 15:41:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-02-05 15:41:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-02-05 15:41:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-02-05 15:41:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2025-02-05 15:41:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-02-05 15:41:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-02-05 15:41:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-02-05 15:41:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-02-05 15:41:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-02-05 15:41:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-02-05 15:41:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2025-02-05 15:41:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-02-05 15:41:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-02-05 15:41:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-02-05 15:41:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-02-05 15:41:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-02-05 15:41:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-02-05 15:41:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-02-05 15:41:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-02-05 15:41:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-02-05 15:41:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-02-05 15:41:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-02-05 15:41:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-02-05 15:41:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-02-05 15:41:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-02-05 15:41:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-02-05 15:41:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-02-05 15:41:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:41:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 15:41:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 15:41:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 15:41:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-02-05 15:41:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-02-05 15:41:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-02-05 15:41:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-02-05 15:41:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:41:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:41:01,539 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:41:01,540 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:41:01,624 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L670-1: getClientPrivateKey_#res#1 := getClientPrivateKey_~retValue_acc~9#1; [2025-02-05 15:41:01,635 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2912: #res := ~retValue_acc~40; [2025-02-05 15:41:01,659 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L762: #res#1 := ~retValue_acc~11#1; [2025-02-05 15:41:01,659 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L717-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~10#1; [2025-02-05 15:41:01,668 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1667-1: createEmail_#res#1 := createEmail_~retValue_acc~26#1; [2025-02-05 15:41:01,682 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L214: #res := ~retValue_acc~3; [2025-02-05 15:41:01,730 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2949: #res := ~retValue_acc~41; [2025-02-05 15:41:01,763 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2723: #res := ~retValue_acc~35; [2025-02-05 15:41:01,810 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L540: #res := ~retValue_acc~7; [2025-02-05 15:41:01,933 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L986-1: findPublicKey_#res#1 := findPublicKey_~retValue_acc~14#1; [2025-02-05 15:41:01,933 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L623-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~8#1; [2025-02-05 15:41:01,933 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2986-1: isVerified_#res#1 := isVerified_~retValue_acc~42#1; [2025-02-05 15:41:01,933 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2649-1: getEmailId_#res#1 := getEmailId_~retValue_acc~33#1; [2025-02-05 15:41:01,933 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1105-1: getClientId_#res#1 := getClientId_~retValue_acc~16#1; [2025-02-05 15:41:01,933 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1403-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~21#1; [2025-02-05 15:41:01,934 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~15#1; [2025-02-05 15:41:02,126 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1360-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~18#1; [2025-02-05 15:41:02,126 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L932-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~13#1; [2025-02-05 15:41:02,126 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1378-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~20#1; [2025-02-05 15:41:02,126 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1369-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~19#1; [2025-02-05 15:41:02,126 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L825-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~12#1; [2025-02-05 15:41:02,126 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1569-1: valid_product_#res#1 := valid_product_~retValue_acc~23#1; [2025-02-05 15:41:02,131 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2686: #res := ~retValue_acc~34; [2025-02-05 15:41:02,132 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1643: #res := ~retValue_acc~24; [2025-02-05 15:41:02,259 INFO L? ?]: Removed 567 outVars from TransFormulas that were not future-live. [2025-02-05 15:41:02,259 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:41:02,270 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:41:02,270 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:41:02,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:41:02 BoogieIcfgContainer [2025-02-05 15:41:02,273 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:41:02,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:41:02,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:41:02,277 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:41:02,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:41:00" (1/3) ... [2025-02-05 15:41:02,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b72dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:41:02, skipping insertion in model container [2025-02-05 15:41:02,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:01" (2/3) ... [2025-02-05 15:41:02,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b72dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:41:02, skipping insertion in model container [2025-02-05 15:41:02,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:41:02" (3/3) ... [2025-02-05 15:41:02,279 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product27.cil.c [2025-02-05 15:41:02,289 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:41:02,293 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product27.cil.c that has 23 procedures, 397 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 15:41:02,335 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:41:02,349 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;@6acda0f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:41:02,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:41:02,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 397 states, 315 states have (on average 1.565079365079365) internal successors, (493), 318 states have internal predecessors, (493), 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) [2025-02-05 15:41:02,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-05 15:41:02,372 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:02,376 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:02,376 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:02,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:02,380 INFO L85 PathProgramCache]: Analyzing trace with hash -623788487, now seen corresponding path program 1 times [2025-02-05 15:41:02,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:02,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235434726] [2025-02-05 15:41:02,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:02,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:02,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-05 15:41:02,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-05 15:41:02,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:02,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:02,950 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-05 15:41:02,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:02,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235434726] [2025-02-05 15:41:02,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235434726] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:41:02,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735250017] [2025-02-05 15:41:02,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:02,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:02,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:41:02,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:41:02,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-05 15:41:03,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-05 15:41:03,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-05 15:41:03,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:03,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:03,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 15:41:03,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:41:03,258 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-05 15:41:03,258 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:41:03,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735250017] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:03,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:41:03,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-02-05 15:41:03,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818030060] [2025-02-05 15:41:03,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:03,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 15:41:03,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:03,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 15:41:03,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:41:03,284 INFO L87 Difference]: Start difference. First operand has 397 states, 315 states have (on average 1.565079365079365) internal successors, (493), 318 states have internal predecessors, (493), 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 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-05 15:41:03,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:03,326 INFO L93 Difference]: Finished difference Result 597 states and 902 transitions. [2025-02-05 15:41:03,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 15:41:03,327 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2025-02-05 15:41:03,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:03,337 INFO L225 Difference]: With dead ends: 597 [2025-02-05 15:41:03,337 INFO L226 Difference]: Without dead ends: 390 [2025-02-05 15:41:03,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:41:03,344 INFO L435 NwaCegarLoop]: 606 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:41:03,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:03,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-02-05 15:41:03,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2025-02-05 15:41:03,389 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) [2025-02-05 15:41:03,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 598 transitions. [2025-02-05 15:41:03,398 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 598 transitions. Word has length 107 [2025-02-05 15:41:03,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:03,399 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 598 transitions. [2025-02-05 15:41:03,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-05 15:41:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 598 transitions. [2025-02-05 15:41:03,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-05 15:41:03,403 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:03,403 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:03,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-05 15:41:03,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-05 15:41:03,604 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:03,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:03,605 INFO L85 PathProgramCache]: Analyzing trace with hash -237888377, now seen corresponding path program 1 times [2025-02-05 15:41:03,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:03,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552101135] [2025-02-05 15:41:03,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:03,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:03,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-05 15:41:03,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-05 15:41:03,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:03,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:03,814 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-05 15:41:03,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:03,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552101135] [2025-02-05 15:41:03,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552101135] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:41:03,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876041081] [2025-02-05 15:41:03,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:03,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:03,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:41:03,821 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:41:03,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-05 15:41:03,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-05 15:41:04,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-05 15:41:04,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:04,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:04,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 15:41:04,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:41:04,134 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-05 15:41:04,134 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:41:04,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876041081] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:04,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:41:04,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:41:04,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725854595] [2025-02-05 15:41:04,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:04,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:41:04,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:04,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:41:04,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:41:04,136 INFO L87 Difference]: Start difference. First operand 390 states and 598 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-05 15:41:04,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:04,174 INFO L93 Difference]: Finished difference Result 586 states and 880 transitions. [2025-02-05 15:41:04,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:41:04,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 108 [2025-02-05 15:41:04,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:04,178 INFO L225 Difference]: With dead ends: 586 [2025-02-05 15:41:04,178 INFO L226 Difference]: Without dead ends: 392 [2025-02-05 15:41:04,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:41:04,179 INFO L435 NwaCegarLoop]: 597 mSDtfsCounter, 0 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:41:04,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1192 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:04,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-02-05 15:41:04,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2025-02-05 15:41:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 311 states have (on average 1.5594855305466238) internal successors, (485), 313 states have internal predecessors, (485), 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) [2025-02-05 15:41:04,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 600 transitions. [2025-02-05 15:41:04,203 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 600 transitions. Word has length 108 [2025-02-05 15:41:04,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:04,203 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 600 transitions. [2025-02-05 15:41:04,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-05 15:41:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 600 transitions. [2025-02-05 15:41:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-02-05 15:41:04,206 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:04,206 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:04,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-05 15:41:04,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:04,407 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:04,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:04,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1446877443, now seen corresponding path program 1 times [2025-02-05 15:41:04,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:04,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68835285] [2025-02-05 15:41:04,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:04,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:04,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-05 15:41:04,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-05 15:41:04,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:04,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:04,600 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-05 15:41:04,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:04,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68835285] [2025-02-05 15:41:04,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68835285] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:41:04,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562668415] [2025-02-05 15:41:04,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:04,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:04,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:41:04,602 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:41:04,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-05 15:41:04,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-05 15:41:04,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-05 15:41:04,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:04,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:04,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-05 15:41:04,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:41:04,893 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-05 15:41:04,897 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:41:04,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562668415] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:04,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:41:04,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:41:04,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286365018] [2025-02-05 15:41:04,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:04,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:41:04,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:04,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:41:04,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:41:04,898 INFO L87 Difference]: Start difference. First operand 392 states and 600 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-05 15:41:04,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:04,938 INFO L93 Difference]: Finished difference Result 836 states and 1299 transitions. [2025-02-05 15:41:04,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:41:04,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2025-02-05 15:41:04,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:04,942 INFO L225 Difference]: With dead ends: 836 [2025-02-05 15:41:04,943 INFO L226 Difference]: Without dead ends: 471 [2025-02-05 15:41:04,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:41:04,945 INFO L435 NwaCegarLoop]: 609 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, 1160 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 [2025-02-05 15:41:04,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1160 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:04,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2025-02-05 15:41:04,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 463. [2025-02-05 15:41:04,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 368 states have (on average 1.578804347826087) internal successors, (581), 370 states have internal predecessors, (581), 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) [2025-02-05 15:41:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 724 transitions. [2025-02-05 15:41:04,972 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 724 transitions. Word has length 116 [2025-02-05 15:41:04,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:04,973 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 724 transitions. [2025-02-05 15:41:04,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-05 15:41:04,974 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 724 transitions. [2025-02-05 15:41:04,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-02-05 15:41:04,977 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:04,978 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:04,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-05 15:41:05,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:05,179 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:05,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:05,179 INFO L85 PathProgramCache]: Analyzing trace with hash -2081190725, now seen corresponding path program 1 times [2025-02-05 15:41:05,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:05,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633910212] [2025-02-05 15:41:05,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:05,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:05,199 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-05 15:41:05,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-05 15:41:05,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:05,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-05 15:41:05,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:05,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633910212] [2025-02-05 15:41:05,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633910212] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:41:05,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682326715] [2025-02-05 15:41:05,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:05,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:05,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:41:05,351 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:41:05,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-05 15:41:05,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-05 15:41:05,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-05 15:41:05,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:05,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:05,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-05 15:41:05,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:41:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-02-05 15:41:05,672 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:41:05,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682326715] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:05,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:41:05,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-05 15:41:05,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199493487] [2025-02-05 15:41:05,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:05,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:41:05,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:05,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:41:05,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:41:05,674 INFO L87 Difference]: Start difference. First operand 463 states and 724 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-05 15:41:05,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:05,745 INFO L93 Difference]: Finished difference Result 917 states and 1438 transitions. [2025-02-05 15:41:05,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:41:05,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2025-02-05 15:41:05,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:05,748 INFO L225 Difference]: With dead ends: 917 [2025-02-05 15:41:05,748 INFO L226 Difference]: Without dead ends: 465 [2025-02-05 15:41:05,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:41:05,750 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 2 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2349 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 [2025-02-05 15:41:05,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2349 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:05,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-02-05 15:41:05,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2025-02-05 15:41:05,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 369 states have (on average 1.5772357723577235) internal successors, (582), 372 states have internal predecessors, (582), 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) [2025-02-05 15:41:05,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 727 transitions. [2025-02-05 15:41:05,777 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 727 transitions. Word has length 117 [2025-02-05 15:41:05,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:05,777 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 727 transitions. [2025-02-05 15:41:05,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-05 15:41:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 727 transitions. [2025-02-05 15:41:05,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-02-05 15:41:05,780 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:05,780 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:05,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-05 15:41:05,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:05,982 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:05,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:05,982 INFO L85 PathProgramCache]: Analyzing trace with hash -183052377, now seen corresponding path program 1 times [2025-02-05 15:41:05,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:05,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376857151] [2025-02-05 15:41:05,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:05,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:06,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-02-05 15:41:06,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-02-05 15:41:06,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:06,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-02-05 15:41:06,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:06,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376857151] [2025-02-05 15:41:06,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376857151] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:41:06,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421610541] [2025-02-05 15:41:06,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:06,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:06,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:41:06,126 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:41:06,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-05 15:41:06,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-02-05 15:41:06,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-02-05 15:41:06,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:06,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:06,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-05 15:41:06,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:41:06,434 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-02-05 15:41:06,435 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:41:06,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421610541] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:06,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:41:06,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-02-05 15:41:06,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849047482] [2025-02-05 15:41:06,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:06,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:41:06,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:06,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:41:06,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-05 15:41:06,436 INFO L87 Difference]: Start difference. First operand 465 states and 727 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-05 15:41:06,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:06,493 INFO L93 Difference]: Finished difference Result 919 states and 1443 transitions. [2025-02-05 15:41:06,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:41:06,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 118 [2025-02-05 15:41:06,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:06,496 INFO L225 Difference]: With dead ends: 919 [2025-02-05 15:41:06,496 INFO L226 Difference]: Without dead ends: 467 [2025-02-05 15:41:06,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-05 15:41:06,498 INFO L435 NwaCegarLoop]: 588 mSDtfsCounter, 2 mSDsluCounter, 1747 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2335 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 [2025-02-05 15:41:06,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2335 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:06,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2025-02-05 15:41:06,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2025-02-05 15:41:06,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 370 states have (on average 1.5756756756756756) internal successors, (583), 374 states have internal predecessors, (583), 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) [2025-02-05 15:41:06,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 733 transitions. [2025-02-05 15:41:06,524 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 733 transitions. Word has length 118 [2025-02-05 15:41:06,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:06,524 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 733 transitions. [2025-02-05 15:41:06,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-05 15:41:06,524 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 733 transitions. [2025-02-05 15:41:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-02-05 15:41:06,526 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:06,526 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:06,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-05 15:41:06,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:06,729 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:06,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:06,730 INFO L85 PathProgramCache]: Analyzing trace with hash 796789395, now seen corresponding path program 1 times [2025-02-05 15:41:06,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:06,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960180385] [2025-02-05 15:41:06,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:06,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:06,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-02-05 15:41:06,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-02-05 15:41:06,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:06,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-05 15:41:06,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:06,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960180385] [2025-02-05 15:41:06,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960180385] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:06,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:41:06,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:41:06,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235099974] [2025-02-05 15:41:06,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:06,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:41:06,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:06,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:41:06,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:41:06,861 INFO L87 Difference]: Start difference. First operand 467 states and 733 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-05 15:41:06,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:06,905 INFO L93 Difference]: Finished difference Result 911 states and 1434 transitions. [2025-02-05 15:41:06,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:41:06,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 119 [2025-02-05 15:41:06,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:06,909 INFO L225 Difference]: With dead ends: 911 [2025-02-05 15:41:06,909 INFO L226 Difference]: Without dead ends: 467 [2025-02-05 15:41:06,910 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 [2025-02-05 15:41:06,910 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 2 mSDsluCounter, 1762 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2353 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 [2025-02-05 15:41:06,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2353 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:06,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2025-02-05 15:41:06,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2025-02-05 15:41:06,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 370 states have (on average 1.5756756756756756) internal successors, (583), 374 states have internal predecessors, (583), 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) [2025-02-05 15:41:06,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 732 transitions. [2025-02-05 15:41:06,932 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 732 transitions. Word has length 119 [2025-02-05 15:41:06,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:06,932 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 732 transitions. [2025-02-05 15:41:06,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-05 15:41:06,934 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 732 transitions. [2025-02-05 15:41:06,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-05 15:41:06,936 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:06,936 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:06,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-05 15:41:06,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:06,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:06,936 INFO L85 PathProgramCache]: Analyzing trace with hash -209252959, now seen corresponding path program 2 times [2025-02-05 15:41:06,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:06,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802541311] [2025-02-05 15:41:06,936 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-05 15:41:06,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:06,957 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-02-05 15:41:06,962 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 44 of 120 statements. [2025-02-05 15:41:06,962 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-05 15:41:06,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:07,015 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-05 15:41:07,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:07,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802541311] [2025-02-05 15:41:07,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802541311] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:07,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:41:07,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:41:07,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483720228] [2025-02-05 15:41:07,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:07,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:41:07,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:07,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:41:07,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:41:07,018 INFO L87 Difference]: Start difference. First operand 467 states and 732 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2025-02-05 15:41:07,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:07,042 INFO L93 Difference]: Finished difference Result 467 states and 732 transitions. [2025-02-05 15:41:07,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:41:07,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 120 [2025-02-05 15:41:07,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:07,044 INFO L225 Difference]: With dead ends: 467 [2025-02-05 15:41:07,044 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 15:41:07,045 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 [2025-02-05 15:41:07,047 INFO L435 NwaCegarLoop]: 594 mSDtfsCounter, 0 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2369 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 [2025-02-05 15:41:07,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2369 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:07,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 15:41:07,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 15:41:07,049 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) [2025-02-05 15:41:07,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 15:41:07,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120 [2025-02-05 15:41:07,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:07,049 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 15:41:07,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2025-02-05 15:41:07,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 15:41:07,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 15:41:07,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:41:07,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-05 15:41:07,055 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2025-02-05 15:41:07,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 15:41:07,152 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:41:07,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:41:07 BoogieIcfgContainer [2025-02-05 15:41:07,160 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:41:07,161 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:41:07,161 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:41:07,161 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:41:07,162 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:41:02" (3/4) ... [2025-02-05 15:41:07,163 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 15:41:07,168 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2025-02-05 15:41:07,168 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-02-05 15:41:07,168 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isSigned [2025-02-05 15:41:07,168 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-02-05 15:41:07,168 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-02-05 15:41:07,168 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-02-05 15:41:07,168 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-02-05 15:41:07,168 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-02-05 15:41:07,168 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-02-05 15:41:07,168 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2025-02-05 15:41:07,169 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-02-05 15:41:07,169 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-02-05 15:41:07,169 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2025-02-05 15:41:07,169 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2025-02-05 15:41:07,169 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2025-02-05 15:41:07,169 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-02-05 15:41:07,169 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-02-05 15:41:07,169 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2025-02-05 15:41:07,169 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-02-05 15:41:07,169 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure queue [2025-02-05 15:41:07,169 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-02-05 15:41:07,169 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-02-05 15:41:07,192 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2025-02-05 15:41:07,195 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2025-02-05 15:41:07,196 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-05 15:41:07,198 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-05 15:41:07,200 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:41:07,201 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:41:07,325 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:41:07,325 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:41:07,325 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:41:07,326 INFO L158 Benchmark]: Toolchain (without parser) took 6769.78ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 110.5MB in the beginning and 208.4MB in the end (delta: -97.9MB). Peak memory consumption was 183.9MB. Max. memory is 16.1GB. [2025-02-05 15:41:07,327 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:41:07,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.19ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 71.6MB in the end (delta: 38.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-05 15:41:07,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.03ms. Allocated memory is still 142.6MB. Free memory was 71.6MB in the beginning and 65.6MB in the end (delta: 6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:41:07,327 INFO L158 Benchmark]: Boogie Preprocessor took 96.95ms. Allocated memory is still 142.6MB. Free memory was 65.6MB in the beginning and 60.1MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:41:07,327 INFO L158 Benchmark]: IcfgBuilder took 938.96ms. Allocated memory is still 142.6MB. Free memory was 60.1MB in the beginning and 92.8MB in the end (delta: -32.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2025-02-05 15:41:07,327 INFO L158 Benchmark]: TraceAbstraction took 4886.11ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 91.9MB in the beginning and 228.5MB in the end (delta: -136.5MB). Peak memory consumption was 149.9MB. Max. memory is 16.1GB. [2025-02-05 15:41:07,328 INFO L158 Benchmark]: Witness Printer took 164.18ms. Allocated memory is still 427.8MB. Free memory was 228.5MB in the beginning and 208.4MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:41:07,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.19ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 71.6MB in the end (delta: 38.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.03ms. Allocated memory is still 142.6MB. Free memory was 71.6MB in the beginning and 65.6MB in the end (delta: 6.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 96.95ms. Allocated memory is still 142.6MB. Free memory was 65.6MB in the beginning and 60.1MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 938.96ms. Allocated memory is still 142.6MB. Free memory was 60.1MB in the beginning and 92.8MB in the end (delta: -32.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4886.11ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 91.9MB in the beginning and 228.5MB in the end (delta: -136.5MB). Peak memory consumption was 149.9MB. Max. memory is 16.1GB. * Witness Printer took 164.18ms. Allocated memory is still 427.8MB. Free memory was 228.5MB in the beginning and 208.4MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. 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,"ClientLib.i","") [48] - GenericResultAtLocation [Line: 1128]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1128] - GenericResultAtLocation [Line: 1525]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1525] - GenericResultAtLocation [Line: 1534]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1534] - GenericResultAtLocation [Line: 1572]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1572] - GenericResultAtLocation [Line: 1670]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1670] - GenericResultAtLocation [Line: 1980]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1980] - GenericResultAtLocation [Line: 2346]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2346] - GenericResultAtLocation [Line: 2568]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2568] - GenericResultAtLocation [Line: 2585]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2585] - GenericResultAtLocation [Line: 2604]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2604] * 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: 1530]: 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, 397 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 7, 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, 12364 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8189 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4175 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 599 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=467occurred in iteration=5, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1371 NumberOfCodeBlocks, 1295 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1359 ConstructedInterpolants, 0 QuantifiedInterpolants, 1462 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5480 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 371/389 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! [2025-02-05 15:41:07,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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