./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product40.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_product40.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 3d6b4da8bd47478af9a0348a2f21d8475ccd8463dda8c629c98551dc6b564226 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:41:23,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:41:23,113 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:41:23,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:41:23,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:41:23,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:41:23,148 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:41:23,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:41:23,149 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:41:23,149 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:41:23,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:41:23,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:41:23,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:41:23,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:41:23,150 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:41:23,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:41:23,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:41:23,151 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:41:23,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:41:23,151 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:41:23,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:41:23,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:41:23,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:41:23,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:41:23,152 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:41:23,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:41:23,152 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:41:23,152 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:41:23,152 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:41:23,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:41:23,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:41:23,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:41:23,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:41:23,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:41:23,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:41:23,154 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:41:23,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:41:23,154 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:41:23,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:41:23,154 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:41:23,154 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:41:23,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:41:23,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:41:23,155 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 -> 3d6b4da8bd47478af9a0348a2f21d8475ccd8463dda8c629c98551dc6b564226 [2025-02-05 15:41:23,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:41:23,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:41:23,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:41:23,463 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:41:23,463 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:41:23,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c [2025-02-05 15:41:24,848 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b7861756b/6c00d461d5c2461da03099d95f5ff032/FLAGe9c546e20 [2025-02-05 15:41:25,216 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:41:25,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product40.cil.c [2025-02-05 15:41:25,236 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b7861756b/6c00d461d5c2461da03099d95f5ff032/FLAGe9c546e20 [2025-02-05 15:41:25,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b7861756b/6c00d461d5c2461da03099d95f5ff032 [2025-02-05 15:41:25,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:41:25,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:41:25,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:41:25,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:41:25,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:41:25,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:41:25" (1/1) ... [2025-02-05 15:41:25,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71dff885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:25, skipping insertion in model container [2025-02-05 15:41:25,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:41:25" (1/1) ... [2025-02-05 15:41:25,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:41:25,566 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_product40.cil.c[8480,8493] [2025-02-05 15:41:25,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:41:25,862 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:41:25,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [48] [2025-02-05 15:41:25,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [81] [2025-02-05 15:41:25,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [119] [2025-02-05 15:41:25,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [411] [2025-02-05 15:41:25,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [428] [2025-02-05 15:41:25,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [437] [2025-02-05 15:41:25,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [501] [2025-02-05 15:41:25,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [867] [2025-02-05 15:41:25,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1100] [2025-02-05 15:41:25,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2173] [2025-02-05 15:41:25,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2580] [2025-02-05 15:41:25,887 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_product40.cil.c[8480,8493] [2025-02-05 15:41:25,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:41:26,025 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:41:26,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26 WrapperNode [2025-02-05 15:41:26,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:41:26,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:41:26,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:41:26,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:41:26,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26" (1/1) ... [2025-02-05 15:41:26,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26" (1/1) ... [2025-02-05 15:41:26,122 INFO L138 Inliner]: procedures = 127, calls = 185, calls flagged for inlining = 52, calls inlined = 49, statements flattened = 908 [2025-02-05 15:41:26,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:41:26,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:41:26,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:41:26,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:41:26,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26" (1/1) ... [2025-02-05 15:41:26,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26" (1/1) ... [2025-02-05 15:41:26,146 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26" (1/1) ... [2025-02-05 15:41:26,184 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 15:41:26,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26" (1/1) ... [2025-02-05 15:41:26,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26" (1/1) ... [2025-02-05 15:41:26,208 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26" (1/1) ... [2025-02-05 15:41:26,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26" (1/1) ... [2025-02-05 15:41:26,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26" (1/1) ... [2025-02-05 15:41:26,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26" (1/1) ... [2025-02-05 15:41:26,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:41:26,242 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:41:26,244 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:41:26,244 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:41:26,245 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26" (1/1) ... [2025-02-05 15:41:26,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:41:26,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:41:26,277 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 15:41:26,282 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 15:41:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-02-05 15:41:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-02-05 15:41:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-02-05 15:41:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-02-05 15:41:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-02-05 15:41:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-02-05 15:41:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2025-02-05 15:41:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2025-02-05 15:41:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-02-05 15:41:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-02-05 15:41:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-02-05 15:41:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-02-05 15:41:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-02-05 15:41:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-02-05 15:41:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-02-05 15:41:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-02-05 15:41:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-02-05 15:41:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-02-05 15:41:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2025-02-05 15:41:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2025-02-05 15:41:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-02-05 15:41:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-02-05 15:41:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:41:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-02-05 15:41:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-02-05 15:41:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-02-05 15:41:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-02-05 15:41:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-02-05 15:41:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-02-05 15:41:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-02-05 15:41:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-02-05 15:41:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-02-05 15:41:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-02-05 15:41:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-02-05 15:41:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-02-05 15:41:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-02-05 15:41:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-02-05 15:41:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:41:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 15:41:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 15:41:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 15:41:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-02-05 15:41:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-02-05 15:41:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-02-05 15:41:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-02-05 15:41:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:41:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:41:26,522 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:41:26,524 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:41:26,625 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1762-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~24#1; [2025-02-05 15:41:26,626 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1807: #res#1 := ~retValue_acc~25#1; [2025-02-05 15:41:26,638 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L498-1: createEmail_#res#1 := createEmail_~retValue_acc~10#1; [2025-02-05 15:41:26,649 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1259: #res := ~retValue_acc~17; [2025-02-05 15:41:26,730 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2298: #res := ~retValue_acc~34; [2025-02-05 15:41:26,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1585: #res := ~retValue_acc~21; [2025-02-05 15:41:26,926 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2224-1: getEmailId_#res#1 := getEmailId_~retValue_acc~32#1; [2025-02-05 15:41:26,926 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2150-1: getClientId_#res#1 := getClientId_~retValue_acc~30#1; [2025-02-05 15:41:26,926 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1668-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~22#1; [2025-02-05 15:41:26,926 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2103-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~29#1; [2025-02-05 15:41:27,247 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L316-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~3#1; [2025-02-05 15:41:27,248 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L334-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~5#1; [2025-02-05 15:41:27,248 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1870-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~26#1; [2025-02-05 15:41:27,248 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L325-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~4#1; [2025-02-05 15:41:27,249 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1977-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~27#1; [2025-02-05 15:41:27,249 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L116-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-02-05 15:41:27,255 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2261: #res := ~retValue_acc~33; [2025-02-05 15:41:27,258 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L474: #res := ~retValue_acc~8; [2025-02-05 15:41:27,407 INFO L? ?]: Removed 436 outVars from TransFormulas that were not future-live. [2025-02-05 15:41:27,407 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:41:27,432 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:41:27,437 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:41:27,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:41:27 BoogieIcfgContainer [2025-02-05 15:41:27,437 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:41:27,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:41:27,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:41:27,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:41:27,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:41:25" (1/3) ... [2025-02-05 15:41:27,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448be3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:41:27, skipping insertion in model container [2025-02-05 15:41:27,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:41:26" (2/3) ... [2025-02-05 15:41:27,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448be3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:41:27, skipping insertion in model container [2025-02-05 15:41:27,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:41:27" (3/3) ... [2025-02-05 15:41:27,447 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product40.cil.c [2025-02-05 15:41:27,462 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:41:27,466 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product40.cil.c that has 21 procedures, 335 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 15:41:27,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:41:27,553 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;@37918bf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:41:27,553 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:41:27,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 335 states, 261 states have (on average 1.5632183908045978) internal successors, (408), 264 states have internal predecessors, (408), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2025-02-05 15:41:27,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-05 15:41:27,579 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:27,580 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:27,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:27,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:27,588 INFO L85 PathProgramCache]: Analyzing trace with hash -492919763, now seen corresponding path program 1 times [2025-02-05 15:41:27,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:27,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057252728] [2025-02-05 15:41:27,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:27,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:27,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-05 15:41:27,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-05 15:41:27,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:27,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-05 15:41:28,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:28,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057252728] [2025-02-05 15:41:28,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057252728] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:41:28,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021975720] [2025-02-05 15:41:28,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:28,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:28,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:41:28,375 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 15:41:28,377 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 15:41:28,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-05 15:41:28,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-05 15:41:28,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:28,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:28,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 15:41:28,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:41:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-05 15:41:28,753 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:41:28,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021975720] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:28,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:41:28,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-02-05 15:41:28,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248744771] [2025-02-05 15:41:28,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:28,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 15:41:28,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:28,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 15:41:28,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:41:28,779 INFO L87 Difference]: Start difference. First operand has 335 states, 261 states have (on average 1.5632183908045978) internal successors, (408), 264 states have internal predecessors, (408), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-05 15:41:28,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:28,821 INFO L93 Difference]: Finished difference Result 473 states and 708 transitions. [2025-02-05 15:41:28,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 15:41:28,822 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 96 [2025-02-05 15:41:28,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:28,836 INFO L225 Difference]: With dead ends: 473 [2025-02-05 15:41:28,836 INFO L226 Difference]: Without dead ends: 328 [2025-02-05 15:41:28,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 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 15:41:28,843 INFO L435 NwaCegarLoop]: 509 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, 509 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 15:41:28,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:28,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2025-02-05 15:41:28,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2025-02-05 15:41:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 255 states have (on average 1.5607843137254902) internal successors, (398), 257 states have internal predecessors, (398), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-05 15:41:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 501 transitions. [2025-02-05 15:41:28,901 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 501 transitions. Word has length 96 [2025-02-05 15:41:28,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:28,903 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 501 transitions. [2025-02-05 15:41:28,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-05 15:41:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 501 transitions. [2025-02-05 15:41:28,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-05 15:41:28,909 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:28,909 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:28,917 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 15:41:29,110 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 15:41:29,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:29,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:29,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1497251840, now seen corresponding path program 1 times [2025-02-05 15:41:29,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:29,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258987920] [2025-02-05 15:41:29,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:29,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:29,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-05 15:41:29,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-05 15:41:29,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:29,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-05 15:41:29,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:29,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258987920] [2025-02-05 15:41:29,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258987920] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:41:29,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001103383] [2025-02-05 15:41:29,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:29,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:29,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:41:29,408 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 15:41:29,411 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 15:41:29,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-05 15:41:29,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-05 15:41:29,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:29,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:29,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 15:41:29,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:41:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-05 15:41:29,752 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:41:29,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001103383] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:29,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:41:29,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:41:29,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368142764] [2025-02-05 15:41:29,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:29,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:41:29,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:29,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:41:29,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:41:29,755 INFO L87 Difference]: Start difference. First operand 328 states and 501 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-05 15:41:29,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:29,821 INFO L93 Difference]: Finished difference Result 462 states and 686 transitions. [2025-02-05 15:41:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:41:29,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 97 [2025-02-05 15:41:29,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:29,826 INFO L225 Difference]: With dead ends: 462 [2025-02-05 15:41:29,828 INFO L226 Difference]: Without dead ends: 330 [2025-02-05 15:41:29,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 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 15:41:29,830 INFO L435 NwaCegarLoop]: 500 mSDtfsCounter, 0 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 998 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 15:41:29,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 998 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:29,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2025-02-05 15:41:29,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2025-02-05 15:41:29,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 257 states have (on average 1.556420233463035) internal successors, (400), 259 states have internal predecessors, (400), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-05 15:41:29,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 503 transitions. [2025-02-05 15:41:29,862 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 503 transitions. Word has length 97 [2025-02-05 15:41:29,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:29,862 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 503 transitions. [2025-02-05 15:41:29,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-05 15:41:29,862 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 503 transitions. [2025-02-05 15:41:29,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-05 15:41:29,867 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:29,867 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:29,877 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 15:41:30,068 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 15:41:30,068 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:30,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:30,069 INFO L85 PathProgramCache]: Analyzing trace with hash 203671684, now seen corresponding path program 1 times [2025-02-05 15:41:30,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:30,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458559824] [2025-02-05 15:41:30,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:30,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:30,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-05 15:41:30,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-05 15:41:30,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:30,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:30,314 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-05 15:41:30,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:30,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458559824] [2025-02-05 15:41:30,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458559824] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:41:30,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604322324] [2025-02-05 15:41:30,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:30,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:30,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:41:30,320 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 15:41:30,322 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 15:41:30,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-05 15:41:30,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-05 15:41:30,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:30,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:30,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-05 15:41:30,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:41:30,660 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-05 15:41:30,663 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:41:30,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604322324] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:30,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:41:30,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:41:30,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723666580] [2025-02-05 15:41:30,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:30,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:41:30,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:30,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:41:30,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:41:30,665 INFO L87 Difference]: Start difference. First operand 330 states and 503 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-05 15:41:30,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:30,717 INFO L93 Difference]: Finished difference Result 712 states and 1105 transitions. [2025-02-05 15:41:30,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:41:30,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 105 [2025-02-05 15:41:30,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:30,724 INFO L225 Difference]: With dead ends: 712 [2025-02-05 15:41:30,724 INFO L226 Difference]: Without dead ends: 409 [2025-02-05 15:41:30,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 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 15:41:30,726 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 142 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 972 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 15:41:30,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 972 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:30,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-02-05 15:41:30,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 401. [2025-02-05 15:41:30,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 314 states have (on average 1.5796178343949046) internal successors, (496), 316 states have internal predecessors, (496), 66 states have call successors, (66), 20 states have call predecessors, (66), 20 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-05 15:41:30,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 627 transitions. [2025-02-05 15:41:30,765 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 627 transitions. Word has length 105 [2025-02-05 15:41:30,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:30,765 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 627 transitions. [2025-02-05 15:41:30,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-05 15:41:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 627 transitions. [2025-02-05 15:41:30,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-05 15:41:30,769 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:30,769 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:30,779 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 15:41:30,973 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 15:41:30,973 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:30,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:30,974 INFO L85 PathProgramCache]: Analyzing trace with hash -673914997, now seen corresponding path program 1 times [2025-02-05 15:41:30,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:30,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588048914] [2025-02-05 15:41:30,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:30,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:30,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-05 15:41:31,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-05 15:41:31,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:31,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-05 15:41:31,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:31,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588048914] [2025-02-05 15:41:31,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588048914] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:41:31,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886819505] [2025-02-05 15:41:31,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:31,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:31,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:41:31,204 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 15:41:31,207 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 15:41:31,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-05 15:41:31,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-05 15:41:31,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:31,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:31,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-05 15:41:31,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:41:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-05 15:41:31,579 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:41:31,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886819505] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:31,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:41:31,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-05 15:41:31,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161418032] [2025-02-05 15:41:31,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:31,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:41:31,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:31,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:41:31,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:41:31,582 INFO L87 Difference]: Start difference. First operand 401 states and 627 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-05 15:41:31,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:31,661 INFO L93 Difference]: Finished difference Result 793 states and 1244 transitions. [2025-02-05 15:41:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:41:31,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2025-02-05 15:41:31,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:31,667 INFO L225 Difference]: With dead ends: 793 [2025-02-05 15:41:31,668 INFO L226 Difference]: Without dead ends: 403 [2025-02-05 15:41:31,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 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 15:41:31,670 INFO L435 NwaCegarLoop]: 493 mSDtfsCounter, 2 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1961 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 15:41:31,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1961 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:31,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-02-05 15:41:31,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-02-05 15:41:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 315 states have (on average 1.5777777777777777) internal successors, (497), 318 states have internal predecessors, (497), 66 states have call successors, (66), 20 states have call predecessors, (66), 21 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2025-02-05 15:41:31,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 630 transitions. [2025-02-05 15:41:31,700 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 630 transitions. Word has length 106 [2025-02-05 15:41:31,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:31,701 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 630 transitions. [2025-02-05 15:41:31,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-05 15:41:31,702 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 630 transitions. [2025-02-05 15:41:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-05 15:41:31,706 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:31,706 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:31,717 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 15:41:31,910 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 15:41:31,910 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:31,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:31,911 INFO L85 PathProgramCache]: Analyzing trace with hash 585211404, now seen corresponding path program 1 times [2025-02-05 15:41:31,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:31,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011506521] [2025-02-05 15:41:31,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:31,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:31,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-05 15:41:31,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-05 15:41:31,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:31,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-05 15:41:32,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:32,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011506521] [2025-02-05 15:41:32,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011506521] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:41:32,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495076434] [2025-02-05 15:41:32,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:32,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:41:32,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:41:32,121 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 15:41:32,123 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 15:41:32,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-05 15:41:32,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-05 15:41:32,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:32,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:32,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-05 15:41:32,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:41:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-05 15:41:32,457 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:41:32,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495076434] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:32,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:41:32,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-02-05 15:41:32,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767119161] [2025-02-05 15:41:32,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:32,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:41:32,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:32,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:41:32,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-05 15:41:32,459 INFO L87 Difference]: Start difference. First operand 403 states and 630 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-05 15:41:32,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:32,545 INFO L93 Difference]: Finished difference Result 795 states and 1249 transitions. [2025-02-05 15:41:32,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:41:32,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2025-02-05 15:41:32,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:32,551 INFO L225 Difference]: With dead ends: 795 [2025-02-05 15:41:32,551 INFO L226 Difference]: Without dead ends: 405 [2025-02-05 15:41:32,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-05 15:41:32,555 INFO L435 NwaCegarLoop]: 491 mSDtfsCounter, 2 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1947 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 15:41:32,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1947 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:32,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-02-05 15:41:32,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2025-02-05 15:41:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 316 states have (on average 1.5759493670886076) internal successors, (498), 320 states have internal predecessors, (498), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2025-02-05 15:41:32,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 636 transitions. [2025-02-05 15:41:32,577 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 636 transitions. Word has length 107 [2025-02-05 15:41:32,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:32,577 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 636 transitions. [2025-02-05 15:41:32,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-05 15:41:32,577 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 636 transitions. [2025-02-05 15:41:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-05 15:41:32,580 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:32,580 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:32,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-05 15:41:32,787 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 15:41:32,787 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:32,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:32,788 INFO L85 PathProgramCache]: Analyzing trace with hash -338671126, now seen corresponding path program 1 times [2025-02-05 15:41:32,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:32,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438241697] [2025-02-05 15:41:32,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:41:32,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:32,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-05 15:41:32,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-05 15:41:32,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:41:32,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-05 15:41:32,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:32,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438241697] [2025-02-05 15:41:32,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438241697] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:32,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:41:32,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:41:32,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74301577] [2025-02-05 15:41:32,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:32,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:41:32,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:32,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:41:32,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:41:32,997 INFO L87 Difference]: Start difference. First operand 405 states and 636 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-05 15:41:33,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:33,056 INFO L93 Difference]: Finished difference Result 787 states and 1240 transitions. [2025-02-05 15:41:33,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:41:33,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2025-02-05 15:41:33,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:33,060 INFO L225 Difference]: With dead ends: 787 [2025-02-05 15:41:33,061 INFO L226 Difference]: Without dead ends: 405 [2025-02-05 15:41:33,063 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 15:41:33,063 INFO L435 NwaCegarLoop]: 494 mSDtfsCounter, 2 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1965 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 15:41:33,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1965 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:33,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-02-05 15:41:33,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2025-02-05 15:41:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 316 states have (on average 1.5759493670886076) internal successors, (498), 320 states have internal predecessors, (498), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2025-02-05 15:41:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 635 transitions. [2025-02-05 15:41:33,102 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 635 transitions. Word has length 108 [2025-02-05 15:41:33,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:33,103 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 635 transitions. [2025-02-05 15:41:33,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-05 15:41:33,104 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 635 transitions. [2025-02-05 15:41:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-02-05 15:41:33,110 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:41:33,110 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:41:33,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-05 15:41:33,111 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:41:33,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:41:33,112 INFO L85 PathProgramCache]: Analyzing trace with hash 972458953, now seen corresponding path program 2 times [2025-02-05 15:41:33,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:41:33,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835699227] [2025-02-05 15:41:33,112 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-05 15:41:33,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:41:33,136 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-02-05 15:41:33,145 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 49 of 109 statements. [2025-02-05 15:41:33,145 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-05 15:41:33,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:41:33,256 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 15:41:33,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:41:33,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835699227] [2025-02-05 15:41:33,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835699227] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:41:33,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:41:33,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-05 15:41:33,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378488391] [2025-02-05 15:41:33,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:41:33,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-05 15:41:33,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:41:33,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-05 15:41:33,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-05 15:41:33,258 INFO L87 Difference]: Start difference. First operand 405 states and 635 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-02-05 15:41:33,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:41:33,310 INFO L93 Difference]: Finished difference Result 405 states and 635 transitions. [2025-02-05 15:41:33,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-05 15:41:33,310 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2025-02-05 15:41:33,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:41:33,311 INFO L225 Difference]: With dead ends: 405 [2025-02-05 15:41:33,311 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 15:41:33,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-05 15:41:33,314 INFO L435 NwaCegarLoop]: 495 mSDtfsCounter, 0 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2961 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:41:33,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2961 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:41:33,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 15:41:33,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 15:41:33,314 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 15:41:33,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 15:41:33,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2025-02-05 15:41:33,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:41:33,315 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 15:41:33,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-02-05 15:41:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 15:41:33,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 15:41:33,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:41:33,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-05 15:41:33,321 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2025-02-05 15:41:33,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 15:41:33,445 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:41:33,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:41:33 BoogieIcfgContainer [2025-02-05 15:41:33,464 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:41:33,465 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:41:33,465 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:41:33,465 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:41:33,466 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:41:27" (3/4) ... [2025-02-05 15:41:33,468 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 15:41:33,475 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure queue [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-02-05 15:41:33,476 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-02-05 15:41:33,495 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2025-02-05 15:41:33,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2025-02-05 15:41:33,499 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-05 15:41:33,501 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-05 15:41:33,503 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:41:33,506 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:41:33,666 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:41:33,666 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:41:33,666 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:41:33,667 INFO L158 Benchmark]: Toolchain (without parser) took 8411.96ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 109.2MB in the beginning and 115.2MB in the end (delta: -6.0MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2025-02-05 15:41:33,667 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:41:33,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.22ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 71.8MB in the end (delta: 37.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-05 15:41:33,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.25ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 66.9MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:41:33,668 INFO L158 Benchmark]: Boogie Preprocessor took 118.06ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 61.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:41:33,668 INFO L158 Benchmark]: IcfgBuilder took 1195.21ms. Allocated memory is still 142.6MB. Free memory was 61.7MB in the beginning and 55.4MB in the end (delta: 6.2MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2025-02-05 15:41:33,668 INFO L158 Benchmark]: TraceAbstraction took 6024.96ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 54.7MB in the beginning and 132.0MB in the end (delta: -77.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2025-02-05 15:41:33,668 INFO L158 Benchmark]: Witness Printer took 200.68ms. Allocated memory is still 176.2MB. Free memory was 132.0MB in the beginning and 115.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:41:33,670 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.22ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 71.8MB in the end (delta: 37.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.25ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 66.9MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 118.06ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 61.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1195.21ms. Allocated memory is still 142.6MB. Free memory was 61.7MB in the beginning and 55.4MB in the end (delta: 6.2MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6024.96ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 54.7MB in the beginning and 132.0MB in the end (delta: -77.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 200.68ms. Allocated memory is still 176.2MB. Free memory was 132.0MB in the beginning and 115.2MB in the end (delta: 16.8MB). 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,"DecryptAutoResponder_spec.i","") [48] - GenericResultAtLocation [Line: 81]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [81] - GenericResultAtLocation [Line: 119]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [119] - GenericResultAtLocation [Line: 411]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [411] - GenericResultAtLocation [Line: 428]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [428] - GenericResultAtLocation [Line: 437]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [437] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [501] - GenericResultAtLocation [Line: 867]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [867] - GenericResultAtLocation [Line: 1100]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1100] - GenericResultAtLocation [Line: 2173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2173] - GenericResultAtLocation [Line: 2580]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2580] * 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: 433]: 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 21 procedures, 335 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 11313 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7814 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3499 mSDtfsCounter, 152 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 547 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=405occurred in iteration=5, InterpolantAutomatonStates: 30, 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: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1239 NumberOfCodeBlocks, 1179 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1227 ConstructedInterpolants, 0 QuantifiedInterpolants, 1336 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4800 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 335/353 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 15:41:33,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE