./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec0_product27.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d732923830fb3a71ab6990fcf85b09499ea996afd0bf98e12e19d094dda2a9f7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:40:04,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:40:04,278 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:40:04,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:40:04,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:40:04,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:40:04,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:40:04,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:40:04,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:40:04,300 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:40:04,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:40:04,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:40:04,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:40:04,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:40:04,300 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:40:04,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:40:04,301 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:40:04,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:40:04,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:40:04,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:40:04,302 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:40:04,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:40:04,302 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:40:04,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:40:04,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:40:04,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:40:04,302 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:40:04,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:40:04,302 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 -> d732923830fb3a71ab6990fcf85b09499ea996afd0bf98e12e19d094dda2a9f7 [2025-02-05 15:40:04,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:40:04,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:40:04,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:40:04,555 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:40:04,555 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:40:04,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product27.cil.c [2025-02-05 15:40:05,759 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0b0f7f312/8d16f28f11c34a9ea636bcfa2d66a027/FLAG9436dfc0a [2025-02-05 15:40:06,112 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:40:06,113 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product27.cil.c [2025-02-05 15:40:06,139 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0b0f7f312/8d16f28f11c34a9ea636bcfa2d66a027/FLAG9436dfc0a [2025-02-05 15:40:06,343 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0b0f7f312/8d16f28f11c34a9ea636bcfa2d66a027 [2025-02-05 15:40:06,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:40:06,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:40:06,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:40:06,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:40:06,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:40:06,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:06,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7c1208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06, skipping insertion in model container [2025-02-05 15:40:06,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:06,404 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:40:06,706 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_spec0_product27.cil.c[28349,28362] [2025-02-05 15:40:06,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:40:06,827 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:40:06,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2025-02-05 15:40:06,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [281] [2025-02-05 15:40:06,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [314] [2025-02-05 15:40:06,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [332] [2025-02-05 15:40:06,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [370] [2025-02-05 15:40:06,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [736] [2025-02-05 15:40:06,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1148] [2025-02-05 15:40:06,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1246] [2025-02-05 15:40:06,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1255] [2025-02-05 15:40:06,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1571] [2025-02-05 15:40:06,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1941] [2025-02-05 15:40:06,875 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_spec0_product27.cil.c[28349,28362] [2025-02-05 15:40:06,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:40:06,928 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:40:06,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06 WrapperNode [2025-02-05 15:40:06,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:40:06,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:40:06,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:40:06,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:40:06,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:06,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:07,012 INFO L138 Inliner]: procedures = 133, calls = 207, calls flagged for inlining = 65, calls inlined = 62, statements flattened = 1126 [2025-02-05 15:40:07,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:40:07,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:40:07,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:40:07,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:40:07,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:07,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:07,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:07,056 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 15:40:07,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:07,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:07,074 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:07,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:07,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:07,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:07,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:40:07,104 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:40:07,104 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:40:07,104 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:40:07,105 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06" (1/1) ... [2025-02-05 15:40:07,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:40:07,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:07,141 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 15:40:07,146 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 15:40:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-02-05 15:40:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-02-05 15:40:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-02-05 15:40:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-02-05 15:40:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-02-05 15:40:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-02-05 15:40:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2025-02-05 15:40:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2025-02-05 15:40:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-02-05 15:40:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-02-05 15:40:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-02-05 15:40:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-02-05 15:40:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-02-05 15:40:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-02-05 15:40:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-02-05 15:40:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-02-05 15:40:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-02-05 15:40:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-02-05 15:40:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-02-05 15:40:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-02-05 15:40:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2025-02-05 15:40:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2025-02-05 15:40:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-02-05 15:40:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-02-05 15:40:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:40:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-02-05 15:40:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-02-05 15:40:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-02-05 15:40:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-02-05 15:40:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-02-05 15:40:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-02-05 15:40:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-02-05 15:40:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-02-05 15:40:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-02-05 15:40:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-02-05 15:40:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-02-05 15:40:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-02-05 15:40:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-02-05 15:40:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-02-05 15:40:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-02-05 15:40:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-02-05 15:40:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:40:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 15:40:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 15:40:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 15:40:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-02-05 15:40:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-02-05 15:40:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-02-05 15:40:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-02-05 15:40:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:40:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:40:07,354 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:40:07,355 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:40:07,467 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2543-1: getClientPrivateKey_#res#1 := getClientPrivateKey_~retValue_acc~35#1; [2025-02-05 15:40:07,474 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1055: #res := ~retValue_acc~14; [2025-02-05 15:40:07,502 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~36#1; [2025-02-05 15:40:07,502 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2635: #res#1 := ~retValue_acc~37#1; [2025-02-05 15:40:07,513 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1243-1: createEmail_#res#1 := createEmail_~retValue_acc~19#1; [2025-02-05 15:40:07,528 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2087: #res := ~retValue_acc~29; [2025-02-05 15:40:07,583 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1092: #res := ~retValue_acc~15; [2025-02-05 15:40:07,601 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L866: #res := ~retValue_acc~9; [2025-02-05 15:40:07,649 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2413: #res := ~retValue_acc~33; [2025-02-05 15:40:07,804 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2496-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~34#1; [2025-02-05 15:40:07,805 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2978-1: getClientId_#res#1 := getClientId_~retValue_acc~42#1; [2025-02-05 15:40:07,805 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129-1: isVerified_#res#1 := isVerified_~retValue_acc~16#1; [2025-02-05 15:40:07,805 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1823-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~25#1; [2025-02-05 15:40:07,805 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L792-1: getEmailId_#res#1 := getEmailId_~retValue_acc~7#1; [2025-02-05 15:40:07,805 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2931-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~41#1; [2025-02-05 15:40:07,805 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2859-1: findPublicKey_#res#1 := findPublicKey_~retValue_acc~40#1; [2025-02-05 15:40:08,029 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L367-1: valid_product_#res#1 := valid_product_~retValue_acc~2#1; [2025-02-05 15:40:08,030 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1789-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~23#1; [2025-02-05 15:40:08,030 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2698-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~38#1; [2025-02-05 15:40:08,030 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1780-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~22#1; [2025-02-05 15:40:08,030 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2805-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~39#1; [2025-02-05 15:40:08,030 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1798-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~24#1; [2025-02-05 15:40:08,049 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L829: #res := ~retValue_acc~8; [2025-02-05 15:40:08,050 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1219: #res := ~retValue_acc~17; [2025-02-05 15:40:08,204 INFO L? ?]: Removed 564 outVars from TransFormulas that were not future-live. [2025-02-05 15:40:08,204 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:40:08,222 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:40:08,222 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:40:08,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:40:08 BoogieIcfgContainer [2025-02-05 15:40:08,223 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:40:08,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:40:08,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:40:08,227 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:40:08,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:40:06" (1/3) ... [2025-02-05 15:40:08,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eced810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:40:08, skipping insertion in model container [2025-02-05 15:40:08,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:06" (2/3) ... [2025-02-05 15:40:08,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eced810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:40:08, skipping insertion in model container [2025-02-05 15:40:08,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:40:08" (3/3) ... [2025-02-05 15:40:08,230 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec0_product27.cil.c [2025-02-05 15:40:08,240 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:40:08,242 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec0_product27.cil.c that has 23 procedures, 397 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 15:40:08,291 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:40:08,298 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;@34c2eb22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:40:08,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:40:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 397 states, 315 states have (on average 1.565079365079365) internal successors, (493), 318 states have internal predecessors, (493), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-05 15:40:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-02-05 15:40:08,321 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:08,322 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:08,322 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:08,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:08,326 INFO L85 PathProgramCache]: Analyzing trace with hash -806566282, now seen corresponding path program 1 times [2025-02-05 15:40:08,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:08,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098443211] [2025-02-05 15:40:08,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:08,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:08,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-05 15:40:08,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-05 15:40:08,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:08,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-02-05 15:40:08,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:08,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098443211] [2025-02-05 15:40:08,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098443211] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:08,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171709154] [2025-02-05 15:40:08,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:08,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:08,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:08,944 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 15:40:08,944 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 15:40:09,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-05 15:40:09,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-05 15:40:09,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:09,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:09,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 15:40:09,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:09,269 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-05 15:40:09,269 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:09,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171709154] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:09,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:09,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-02-05 15:40:09,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788399010] [2025-02-05 15:40:09,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:09,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 15:40:09,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:09,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 15:40:09,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:40:09,299 INFO L87 Difference]: Start difference. First operand has 397 states, 315 states have (on average 1.565079365079365) internal successors, (493), 318 states have internal predecessors, (493), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-05 15:40:09,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:09,352 INFO L93 Difference]: Finished difference Result 597 states and 902 transitions. [2025-02-05 15:40:09,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 15:40:09,354 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2025-02-05 15:40:09,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:09,364 INFO L225 Difference]: With dead ends: 597 [2025-02-05 15:40:09,364 INFO L226 Difference]: Without dead ends: 390 [2025-02-05 15:40:09,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 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 15:40:09,371 INFO L435 NwaCegarLoop]: 606 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:09,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:09,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-02-05 15:40:09,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2025-02-05 15:40:09,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 309 states have (on average 1.5631067961165048) internal successors, (483), 311 states have internal predecessors, (483), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-05 15:40:09,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 598 transitions. [2025-02-05 15:40:09,438 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 598 transitions. Word has length 117 [2025-02-05 15:40:09,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:09,439 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 598 transitions. [2025-02-05 15:40:09,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-05 15:40:09,440 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 598 transitions. [2025-02-05 15:40:09,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-02-05 15:40:09,444 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:09,444 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:09,457 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 15:40:09,649 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 15:40:09,649 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:09,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:09,650 INFO L85 PathProgramCache]: Analyzing trace with hash 2117999428, now seen corresponding path program 1 times [2025-02-05 15:40:09,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:09,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918907752] [2025-02-05 15:40:09,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:09,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:09,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-02-05 15:40:09,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-02-05 15:40:09,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:09,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:09,919 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-02-05 15:40:09,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:09,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918907752] [2025-02-05 15:40:09,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918907752] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:09,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028164877] [2025-02-05 15:40:09,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:09,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:09,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:09,923 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 15:40:09,925 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 15:40:10,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-02-05 15:40:10,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-02-05 15:40:10,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:10,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:10,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 15:40:10,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:10,267 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-05 15:40:10,268 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:10,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028164877] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:10,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:10,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:40:10,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818178550] [2025-02-05 15:40:10,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:10,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:40:10,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:10,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:40:10,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:40:10,270 INFO L87 Difference]: Start difference. First operand 390 states and 598 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-05 15:40:10,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:10,318 INFO L93 Difference]: Finished difference Result 586 states and 880 transitions. [2025-02-05 15:40:10,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:40:10,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2025-02-05 15:40:10,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:10,322 INFO L225 Difference]: With dead ends: 586 [2025-02-05 15:40:10,322 INFO L226 Difference]: Without dead ends: 392 [2025-02-05 15:40:10,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 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 15:40:10,327 INFO L435 NwaCegarLoop]: 597 mSDtfsCounter, 0 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:10,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1192 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:10,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-02-05 15:40:10,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2025-02-05 15:40:10,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 311 states have (on average 1.5594855305466238) internal successors, (485), 313 states have internal predecessors, (485), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-05 15:40:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 600 transitions. [2025-02-05 15:40:10,362 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 600 transitions. Word has length 118 [2025-02-05 15:40:10,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:10,362 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 600 transitions. [2025-02-05 15:40:10,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-05 15:40:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 600 transitions. [2025-02-05 15:40:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-02-05 15:40:10,368 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:10,368 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:10,376 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 15:40:10,568 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 15:40:10,569 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:10,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:10,570 INFO L85 PathProgramCache]: Analyzing trace with hash 2118462656, now seen corresponding path program 1 times [2025-02-05 15:40:10,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:10,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491634877] [2025-02-05 15:40:10,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:10,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:10,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-05 15:40:10,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-05 15:40:10,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:10,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:10,793 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-05 15:40:10,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:10,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491634877] [2025-02-05 15:40:10,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491634877] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:10,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289252875] [2025-02-05 15:40:10,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:10,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:10,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:10,797 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 15:40:10,799 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 15:40:10,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-05 15:40:11,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-05 15:40:11,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:11,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:11,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-05 15:40:11,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:11,127 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-05 15:40:11,127 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:11,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289252875] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:11,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:11,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:40:11,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980593196] [2025-02-05 15:40:11,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:11,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:40:11,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:11,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:40:11,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:40:11,130 INFO L87 Difference]: Start difference. First operand 392 states and 600 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-05 15:40:11,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:11,190 INFO L93 Difference]: Finished difference Result 836 states and 1299 transitions. [2025-02-05 15:40:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:40:11,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2025-02-05 15:40:11,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:11,196 INFO L225 Difference]: With dead ends: 836 [2025-02-05 15:40:11,196 INFO L226 Difference]: Without dead ends: 471 [2025-02-05 15:40:11,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 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 15:40:11,199 INFO L435 NwaCegarLoop]: 605 mSDtfsCounter, 142 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1154 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 15:40:11,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:11,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2025-02-05 15:40:11,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 463. [2025-02-05 15:40:11,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 368 states have (on average 1.578804347826087) internal successors, (581), 370 states have internal predecessors, (581), 72 states have call successors, (72), 22 states have call predecessors, (72), 22 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2025-02-05 15:40:11,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 724 transitions. [2025-02-05 15:40:11,255 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 724 transitions. Word has length 126 [2025-02-05 15:40:11,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:11,257 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 724 transitions. [2025-02-05 15:40:11,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-05 15:40:11,258 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 724 transitions. [2025-02-05 15:40:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-02-05 15:40:11,263 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:11,263 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:11,272 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 15:40:11,463 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 15:40:11,464 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:11,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:11,464 INFO L85 PathProgramCache]: Analyzing trace with hash -406332808, now seen corresponding path program 1 times [2025-02-05 15:40:11,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:11,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360815221] [2025-02-05 15:40:11,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:11,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:11,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-02-05 15:40:11,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-02-05 15:40:11,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:11,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-05 15:40:11,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:11,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360815221] [2025-02-05 15:40:11,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360815221] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:11,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276860692] [2025-02-05 15:40:11,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:11,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:11,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:11,645 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 15:40:11,647 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 15:40:11,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-02-05 15:40:11,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-02-05 15:40:11,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:11,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:12,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-05 15:40:12,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:12,070 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-05 15:40:12,071 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:12,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276860692] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:12,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:12,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-05 15:40:12,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320383515] [2025-02-05 15:40:12,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:12,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:40:12,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:12,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:40:12,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:40:12,073 INFO L87 Difference]: Start difference. First operand 463 states and 724 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2025-02-05 15:40:12,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:12,151 INFO L93 Difference]: Finished difference Result 917 states and 1438 transitions. [2025-02-05 15:40:12,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:40:12,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 127 [2025-02-05 15:40:12,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:12,156 INFO L225 Difference]: With dead ends: 917 [2025-02-05 15:40:12,156 INFO L226 Difference]: Without dead ends: 465 [2025-02-05 15:40:12,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 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 15:40:12,159 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 2 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2349 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:12,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2349 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:12,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-02-05 15:40:12,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2025-02-05 15:40:12,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 369 states have (on average 1.5772357723577235) internal successors, (582), 372 states have internal predecessors, (582), 72 states have call successors, (72), 22 states have call predecessors, (72), 23 states have return successors, (73), 70 states have call predecessors, (73), 71 states have call successors, (73) [2025-02-05 15:40:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 727 transitions. [2025-02-05 15:40:12,185 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 727 transitions. Word has length 127 [2025-02-05 15:40:12,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:12,185 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 727 transitions. [2025-02-05 15:40:12,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2025-02-05 15:40:12,186 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 727 transitions. [2025-02-05 15:40:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-02-05 15:40:12,189 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:12,190 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:12,201 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 15:40:12,390 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 15:40:12,391 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:12,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:12,391 INFO L85 PathProgramCache]: Analyzing trace with hash -408195484, now seen corresponding path program 1 times [2025-02-05 15:40:12,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:12,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592509136] [2025-02-05 15:40:12,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:12,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:12,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-02-05 15:40:12,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-02-05 15:40:12,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:12,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-05 15:40:12,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:12,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592509136] [2025-02-05 15:40:12,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592509136] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:12,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888066560] [2025-02-05 15:40:12,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:12,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:12,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:12,594 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 15:40:12,600 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 15:40:12,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-02-05 15:40:12,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-02-05 15:40:12,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:12,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:12,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 1145 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-05 15:40:12,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:12,970 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-05 15:40:12,970 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:12,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888066560] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:12,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:12,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-02-05 15:40:12,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379763632] [2025-02-05 15:40:12,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:12,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:40:12,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:12,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:40:12,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-05 15:40:12,972 INFO L87 Difference]: Start difference. First operand 465 states and 727 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2025-02-05 15:40:13,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:13,051 INFO L93 Difference]: Finished difference Result 919 states and 1443 transitions. [2025-02-05 15:40:13,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:40:13,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 128 [2025-02-05 15:40:13,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:13,061 INFO L225 Difference]: With dead ends: 919 [2025-02-05 15:40:13,061 INFO L226 Difference]: Without dead ends: 467 [2025-02-05 15:40:13,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 126 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 15:40:13,066 INFO L435 NwaCegarLoop]: 588 mSDtfsCounter, 2 mSDsluCounter, 1747 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:13,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2335 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:13,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2025-02-05 15:40:13,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2025-02-05 15:40:13,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 370 states have (on average 1.5756756756756756) internal successors, (583), 374 states have internal predecessors, (583), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (78), 70 states have call predecessors, (78), 71 states have call successors, (78) [2025-02-05 15:40:13,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 733 transitions. [2025-02-05 15:40:13,108 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 733 transitions. Word has length 128 [2025-02-05 15:40:13,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:13,109 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 733 transitions. [2025-02-05 15:40:13,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2025-02-05 15:40:13,109 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 733 transitions. [2025-02-05 15:40:13,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-02-05 15:40:13,113 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:13,114 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:13,124 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 15:40:13,315 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 15:40:13,315 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:13,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:13,316 INFO L85 PathProgramCache]: Analyzing trace with hash 2064706128, now seen corresponding path program 1 times [2025-02-05 15:40:13,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:13,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414097563] [2025-02-05 15:40:13,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:13,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:13,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-05 15:40:13,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-05 15:40:13,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:13,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-05 15:40:13,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:13,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414097563] [2025-02-05 15:40:13,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414097563] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:13,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:40:13,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:40:13,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256265405] [2025-02-05 15:40:13,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:13,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:40:13,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:13,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:40:13,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:40:13,461 INFO L87 Difference]: Start difference. First operand 467 states and 733 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2025-02-05 15:40:13,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:13,507 INFO L93 Difference]: Finished difference Result 911 states and 1434 transitions. [2025-02-05 15:40:13,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:40:13,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 129 [2025-02-05 15:40:13,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:13,510 INFO L225 Difference]: With dead ends: 911 [2025-02-05 15:40:13,510 INFO L226 Difference]: Without dead ends: 467 [2025-02-05 15:40:13,512 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 15:40:13,512 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 2 mSDsluCounter, 1762 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2353 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:13,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2353 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:13,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2025-02-05 15:40:13,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2025-02-05 15:40:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 370 states have (on average 1.5756756756756756) internal successors, (583), 374 states have internal predecessors, (583), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (77), 70 states have call predecessors, (77), 71 states have call successors, (77) [2025-02-05 15:40:13,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 732 transitions. [2025-02-05 15:40:13,552 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 732 transitions. Word has length 129 [2025-02-05 15:40:13,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:13,554 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 732 transitions. [2025-02-05 15:40:13,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2025-02-05 15:40:13,554 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 732 transitions. [2025-02-05 15:40:13,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-02-05 15:40:13,557 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:13,557 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:13,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-05 15:40:13,557 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:13,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:13,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1517548510, now seen corresponding path program 2 times [2025-02-05 15:40:13,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:13,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678305722] [2025-02-05 15:40:13,558 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-05 15:40:13,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:13,578 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 130 statements into 2 equivalence classes. [2025-02-05 15:40:13,584 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 44 of 130 statements. [2025-02-05 15:40:13,584 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-05 15:40:13,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:13,641 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-05 15:40:13,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:13,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678305722] [2025-02-05 15:40:13,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678305722] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:13,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:40:13,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:40:13,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900223696] [2025-02-05 15:40:13,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:13,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:40:13,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:13,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:40:13,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:40:13,642 INFO L87 Difference]: Start difference. First operand 467 states and 732 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-02-05 15:40:13,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:13,667 INFO L93 Difference]: Finished difference Result 467 states and 732 transitions. [2025-02-05 15:40:13,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:40:13,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2025-02-05 15:40:13,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:13,669 INFO L225 Difference]: With dead ends: 467 [2025-02-05 15:40:13,669 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 15:40:13,670 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 15:40:13,671 INFO L435 NwaCegarLoop]: 594 mSDtfsCounter, 0 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2369 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:13,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2369 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:13,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 15:40:13,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 15:40:13,671 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 15:40:13,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 15:40:13,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 130 [2025-02-05 15:40:13,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:13,672 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 15:40:13,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-02-05 15:40:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 15:40:13,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 15:40:13,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:40:13,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-05 15:40:13,677 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2025-02-05 15:40:13,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 15:40:13,762 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:40:13,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:40:13 BoogieIcfgContainer [2025-02-05 15:40:13,776 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:40:13,777 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:40:13,777 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:40:13,777 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:40:13,778 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:40:08" (3/4) ... [2025-02-05 15:40:13,780 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 15:40:13,785 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2025-02-05 15:40:13,785 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-02-05 15:40:13,785 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isSigned [2025-02-05 15:40:13,785 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-02-05 15:40:13,785 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-02-05 15:40:13,785 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-02-05 15:40:13,785 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-02-05 15:40:13,785 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-02-05 15:40:13,785 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-02-05 15:40:13,786 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2025-02-05 15:40:13,786 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-02-05 15:40:13,786 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-02-05 15:40:13,786 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2025-02-05 15:40:13,787 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2025-02-05 15:40:13,787 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2025-02-05 15:40:13,787 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-02-05 15:40:13,787 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-02-05 15:40:13,787 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2025-02-05 15:40:13,787 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-02-05 15:40:13,787 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure queue [2025-02-05 15:40:13,787 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-02-05 15:40:13,787 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-02-05 15:40:13,810 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2025-02-05 15:40:13,812 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2025-02-05 15:40:13,813 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-05 15:40:13,814 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-05 15:40:13,816 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:40:13,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:40:13,947 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:40:13,948 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:40:13,948 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:40:13,949 INFO L158 Benchmark]: Toolchain (without parser) took 7601.73ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 103.1MB in the beginning and 165.7MB in the end (delta: -62.6MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2025-02-05 15:40:13,949 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:40:13,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.37ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 64.9MB in the end (delta: 38.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-05 15:40:13,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.72ms. Allocated memory is still 142.6MB. Free memory was 64.9MB in the beginning and 58.7MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:40:13,950 INFO L158 Benchmark]: Boogie Preprocessor took 90.36ms. Allocated memory is still 142.6MB. Free memory was 58.7MB in the beginning and 53.2MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:40:13,950 INFO L158 Benchmark]: IcfgBuilder took 1118.77ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 88.9MB in the end (delta: -35.7MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2025-02-05 15:40:13,950 INFO L158 Benchmark]: TraceAbstraction took 5552.26ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 88.1MB in the beginning and 185.2MB in the end (delta: -97.1MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2025-02-05 15:40:13,951 INFO L158 Benchmark]: Witness Printer took 170.71ms. Allocated memory is still 285.2MB. Free memory was 185.2MB in the beginning and 165.7MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:40:13,951 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.37ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 64.9MB in the end (delta: 38.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.72ms. Allocated memory is still 142.6MB. Free memory was 64.9MB in the beginning and 58.7MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.36ms. Allocated memory is still 142.6MB. Free memory was 58.7MB in the beginning and 53.2MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 1118.77ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 88.9MB in the end (delta: -35.7MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5552.26ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 88.1MB in the beginning and 185.2MB in the end (delta: -97.1MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * Witness Printer took 170.71ms. Allocated memory is still 285.2MB. Free memory was 185.2MB in the beginning and 165.7MB in the end (delta: 19.5MB). 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,"scenario.i","") [48] - GenericResultAtLocation [Line: 281]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [281] - GenericResultAtLocation [Line: 314]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [314] - GenericResultAtLocation [Line: 332]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [332] - GenericResultAtLocation [Line: 370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [370] - GenericResultAtLocation [Line: 736]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [736] - GenericResultAtLocation [Line: 1148]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1148] - GenericResultAtLocation [Line: 1246]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1246] - GenericResultAtLocation [Line: 1255]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1255] - GenericResultAtLocation [Line: 1571]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1571] - GenericResultAtLocation [Line: 1941]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1941] * 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: 1251]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, 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, 12358 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8187 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4171 mSDtfsCounter, 136 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 649 GetRequests, 617 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=467occurred in iteration=5, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1491 NumberOfCodeBlocks, 1405 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1479 ConstructedInterpolants, 0 QuantifiedInterpolants, 1582 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5655 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 419/437 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 15:40:13,965 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