./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec7_product24.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_spec7_product24.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 312fc8529e2c53d6a3be2cb9c54168ebb93fc3f65452574800e27c42fdf03e19 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:47:23,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:47:23,667 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:47:23,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:47:23,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:47:23,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:47:23,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:47:23,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:47:23,706 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:47:23,706 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:47:23,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:47:23,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:47:23,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:47:23,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:47:23,708 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:47:23,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:47:23,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:47:23,708 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:47:23,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:47:23,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:47:23,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:47:23,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:47:23,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:47:23,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:47:23,709 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:47:23,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:47:23,709 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:47:23,709 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:47:23,709 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:47:23,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:47:23,710 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:47:23,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:47:23,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:47:23,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:47:23,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:47:23,710 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:47:23,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:47:23,710 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:47:23,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:47:23,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:47:23,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:47:23,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:47:23,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:47:23,711 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 -> 312fc8529e2c53d6a3be2cb9c54168ebb93fc3f65452574800e27c42fdf03e19 [2025-02-05 15:47:23,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:47:24,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:47:24,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:47:24,008 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:47:24,008 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:47:24,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product24.cil.c [2025-02-05 15:47:25,410 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bcf8f66d/67574c1dc98f4869add740dd40a50474/FLAGcafb58b58 [2025-02-05 15:47:25,858 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:47:25,861 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product24.cil.c [2025-02-05 15:47:25,884 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bcf8f66d/67574c1dc98f4869add740dd40a50474/FLAGcafb58b58 [2025-02-05 15:47:25,900 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bcf8f66d/67574c1dc98f4869add740dd40a50474 [2025-02-05 15:47:25,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:47:25,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:47:25,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:47:25,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:47:25,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:47:25,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:47:25" (1/1) ... [2025-02-05 15:47:25,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31787f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:25, skipping insertion in model container [2025-02-05 15:47:25,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:47:25" (1/1) ... [2025-02-05 15:47:25,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:47:26,560 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_spec7_product24.cil.c[62782,62795] [2025-02-05 15:47:26,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:47:26,583 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:47:26,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2025-02-05 15:47:26,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [277] [2025-02-05 15:47:26,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [643] [2025-02-05 15:47:26,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1055] [2025-02-05 15:47:26,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1371] [2025-02-05 15:47:26,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2442] [2025-02-05 15:47:26,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [2764] [2025-02-05 15:47:26,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2783] [2025-02-05 15:47:26,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2879] [2025-02-05 15:47:26,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2896] [2025-02-05 15:47:26,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2931] [2025-02-05 15:47:26,699 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_spec7_product24.cil.c[62782,62795] [2025-02-05 15:47:26,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:47:26,728 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:47:26,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26 WrapperNode [2025-02-05 15:47:26,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:47:26,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:47:26,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:47:26,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:47:26,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26" (1/1) ... [2025-02-05 15:47:26,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26" (1/1) ... [2025-02-05 15:47:26,812 INFO L138 Inliner]: procedures = 130, calls = 192, calls flagged for inlining = 64, calls inlined = 59, statements flattened = 1050 [2025-02-05 15:47:26,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:47:26,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:47:26,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:47:26,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:47:26,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26" (1/1) ... [2025-02-05 15:47:26,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26" (1/1) ... [2025-02-05 15:47:26,830 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26" (1/1) ... [2025-02-05 15:47:26,862 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 15:47:26,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26" (1/1) ... [2025-02-05 15:47:26,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26" (1/1) ... [2025-02-05 15:47:26,892 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26" (1/1) ... [2025-02-05 15:47:26,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26" (1/1) ... [2025-02-05 15:47:26,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26" (1/1) ... [2025-02-05 15:47:26,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26" (1/1) ... [2025-02-05 15:47:26,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:47:26,924 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:47:26,925 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:47:26,925 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:47:26,926 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26" (1/1) ... [2025-02-05 15:47:26,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:47:26,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:47:26,959 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 15:47:26,962 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 15:47:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-02-05 15:47:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-02-05 15:47:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-02-05 15:47:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-02-05 15:47:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-02-05 15:47:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-02-05 15:47:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-02-05 15:47:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-02-05 15:47:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-02-05 15:47:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-02-05 15:47:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-02-05 15:47:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-02-05 15:47:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-02-05 15:47:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-02-05 15:47:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2025-02-05 15:47:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2025-02-05 15:47:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-02-05 15:47:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-02-05 15:47:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:47:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-02-05 15:47:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-02-05 15:47:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-02-05 15:47:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-02-05 15:47:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-02-05 15:47:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-02-05 15:47:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-02-05 15:47:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-02-05 15:47:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-02-05 15:47:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-02-05 15:47:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-02-05 15:47:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-02-05 15:47:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-02-05 15:47:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-02-05 15:47:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:47:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 15:47:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 15:47:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 15:47:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-02-05 15:47:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-02-05 15:47:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:47:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:47:27,182 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:47:27,185 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:47:27,230 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L999: #res := ~retValue_acc~12; [2025-02-05 15:47:27,584 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1984-1: getClientPrivateKey_#res#1 := getClientPrivateKey_~retValue_acc~24#1; [2025-02-05 15:47:27,585 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1036-1: isVerified_#res#1 := isVerified_~retValue_acc~13#1; [2025-02-05 15:47:27,585 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2300-1: findPublicKey_#res#1 := findPublicKey_~retValue_acc~29#1; [2025-02-05 15:47:27,585 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1937-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~23#1; [2025-02-05 15:47:27,585 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L699-1: getEmailId_#res#1 := getEmailId_~retValue_acc~4#1; [2025-02-05 15:47:27,585 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2419-1: getClientId_#res#1 := getClientId_~retValue_acc~31#1; [2025-02-05 15:47:27,585 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2651-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~36#1; [2025-02-05 15:47:27,586 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2372-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~30#1; [2025-02-05 15:47:27,595 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L962: #res := ~retValue_acc~11; [2025-02-05 15:47:27,632 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L773: #res := ~retValue_acc~6; [2025-02-05 15:47:27,667 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2076: #res#1 := ~retValue_acc~26#1; [2025-02-05 15:47:27,668 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2031-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~25#1; [2025-02-05 15:47:27,696 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2876-1: createEmail_#res#1 := createEmail_~retValue_acc~39#1; [2025-02-05 15:47:27,968 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2928-1: valid_product_#res#1 := valid_product_~retValue_acc~42#1; [2025-02-05 15:47:27,968 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2608-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~33#1; [2025-02-05 15:47:27,968 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~34#1; [2025-02-05 15:47:27,968 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2246-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~28#1; [2025-02-05 15:47:27,968 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2626-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~35#1; [2025-02-05 15:47:27,968 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2139-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~27#1; [2025-02-05 15:47:27,976 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L736: #res := ~retValue_acc~5; [2025-02-05 15:47:27,979 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2852: #res := ~retValue_acc~37; [2025-02-05 15:47:28,171 INFO L? ?]: Removed 457 outVars from TransFormulas that were not future-live. [2025-02-05 15:47:28,172 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:47:28,200 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:47:28,204 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:47:28,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:47:28 BoogieIcfgContainer [2025-02-05 15:47:28,204 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:47:28,207 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:47:28,207 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:47:28,212 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:47:28,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:47:25" (1/3) ... [2025-02-05 15:47:28,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1086eb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:47:28, skipping insertion in model container [2025-02-05 15:47:28,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:26" (2/3) ... [2025-02-05 15:47:28,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1086eb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:47:28, skipping insertion in model container [2025-02-05 15:47:28,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:47:28" (3/3) ... [2025-02-05 15:47:28,217 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec7_product24.cil.c [2025-02-05 15:47:28,233 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:47:28,237 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec7_product24.cil.c that has 18 procedures, 319 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 15:47:28,310 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:47:28,322 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;@2b97d8d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:47:28,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:47:28,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 319 states, 254 states have (on average 1.531496062992126) internal successors, (389), 256 states have internal predecessors, (389), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-02-05 15:47:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-05 15:47:28,343 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:28,343 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:47:28,344 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:28,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:28,349 INFO L85 PathProgramCache]: Analyzing trace with hash 860792747, now seen corresponding path program 1 times [2025-02-05 15:47:28,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:28,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952894375] [2025-02-05 15:47:28,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:28,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:28,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-05 15:47:28,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-05 15:47:28,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:28,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-05 15:47:29,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:29,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952894375] [2025-02-05 15:47:29,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952894375] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:47:29,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388504348] [2025-02-05 15:47:29,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:29,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:29,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:47:29,106 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 15:47:29,138 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 15:47:29,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-05 15:47:29,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-05 15:47:29,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:29,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:29,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 15:47:29,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:47:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-05 15:47:29,500 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:47:29,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388504348] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:29,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:47:29,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-02-05 15:47:29,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495065920] [2025-02-05 15:47:29,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:29,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 15:47:29,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:29,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 15:47:29,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:47:29,525 INFO L87 Difference]: Start difference. First operand has 319 states, 254 states have (on average 1.531496062992126) internal successors, (389), 256 states have internal predecessors, (389), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-05 15:47:29,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:29,571 INFO L93 Difference]: Finished difference Result 480 states and 710 transitions. [2025-02-05 15:47:29,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 15:47:29,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 86 [2025-02-05 15:47:29,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:29,588 INFO L225 Difference]: With dead ends: 480 [2025-02-05 15:47:29,589 INFO L226 Difference]: Without dead ends: 312 [2025-02-05 15:47:29,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 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 15:47:29,602 INFO L435 NwaCegarLoop]: 478 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, 478 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 15:47:29,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:29,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-02-05 15:47:29,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2025-02-05 15:47:29,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 248 states have (on average 1.528225806451613) internal successors, (379), 249 states have internal predecessors, (379), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-05 15:47:29,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 470 transitions. [2025-02-05 15:47:29,657 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 470 transitions. Word has length 86 [2025-02-05 15:47:29,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:29,659 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 470 transitions. [2025-02-05 15:47:29,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-05 15:47:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 470 transitions. [2025-02-05 15:47:29,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-05 15:47:29,664 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:29,664 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:47:29,673 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 15:47:29,865 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 15:47:29,866 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:29,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:29,867 INFO L85 PathProgramCache]: Analyzing trace with hash -841403960, now seen corresponding path program 1 times [2025-02-05 15:47:29,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:29,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502473629] [2025-02-05 15:47:29,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:29,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:29,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-05 15:47:29,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-05 15:47:29,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:29,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-05 15:47:30,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:30,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502473629] [2025-02-05 15:47:30,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502473629] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:47:30,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063453036] [2025-02-05 15:47:30,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:30,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:30,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:47:30,166 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 15:47:30,169 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 15:47:30,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-05 15:47:30,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-05 15:47:30,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:30,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:30,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 15:47:30,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:47:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-05 15:47:30,533 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:47:30,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063453036] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:30,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:47:30,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:47:30,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609006030] [2025-02-05 15:47:30,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:30,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:47:30,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:30,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:47:30,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:47:30,538 INFO L87 Difference]: Start difference. First operand 312 states and 470 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-05 15:47:30,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:30,588 INFO L93 Difference]: Finished difference Result 469 states and 691 transitions. [2025-02-05 15:47:30,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:47:30,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 87 [2025-02-05 15:47:30,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:30,597 INFO L225 Difference]: With dead ends: 469 [2025-02-05 15:47:30,598 INFO L226 Difference]: Without dead ends: 314 [2025-02-05 15:47:30,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 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 15:47:30,600 INFO L435 NwaCegarLoop]: 469 mSDtfsCounter, 0 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 936 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 15:47:30,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 936 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:30,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2025-02-05 15:47:30,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2025-02-05 15:47:30,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 250 states have (on average 1.524) internal successors, (381), 251 states have internal predecessors, (381), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-05 15:47:30,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 472 transitions. [2025-02-05 15:47:30,628 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 472 transitions. Word has length 87 [2025-02-05 15:47:30,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:30,628 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 472 transitions. [2025-02-05 15:47:30,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-05 15:47:30,629 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 472 transitions. [2025-02-05 15:47:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-05 15:47:30,633 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:30,634 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:47:30,645 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 15:47:30,834 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 15:47:30,834 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:30,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:30,835 INFO L85 PathProgramCache]: Analyzing trace with hash -487271828, now seen corresponding path program 1 times [2025-02-05 15:47:30,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:30,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696288411] [2025-02-05 15:47:30,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:30,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:30,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-05 15:47:30,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-05 15:47:30,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:30,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:31,084 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-05 15:47:31,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:31,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696288411] [2025-02-05 15:47:31,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696288411] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:47:31,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509404461] [2025-02-05 15:47:31,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:31,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:31,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:47:31,090 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 15:47:31,092 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 15:47:31,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-05 15:47:31,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-05 15:47:31,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:31,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:31,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-05 15:47:31,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:47:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-05 15:47:31,410 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:47:31,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509404461] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:31,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:47:31,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:47:31,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294771140] [2025-02-05 15:47:31,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:31,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:47:31,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:31,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:47:31,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:47:31,413 INFO L87 Difference]: Start difference. First operand 314 states and 472 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-05 15:47:31,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:31,444 INFO L93 Difference]: Finished difference Result 662 states and 1010 transitions. [2025-02-05 15:47:31,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:47:31,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 95 [2025-02-05 15:47:31,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:31,448 INFO L225 Difference]: With dead ends: 662 [2025-02-05 15:47:31,448 INFO L226 Difference]: Without dead ends: 375 [2025-02-05 15:47:31,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:47:31,451 INFO L435 NwaCegarLoop]: 484 mSDtfsCounter, 115 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 907 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 15:47:31,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 907 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:31,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2025-02-05 15:47:31,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 367. [2025-02-05 15:47:31,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 292 states have (on average 1.5410958904109588) internal successors, (450), 293 states have internal predecessors, (450), 57 states have call successors, (57), 17 states have call predecessors, (57), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2025-02-05 15:47:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 563 transitions. [2025-02-05 15:47:31,477 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 563 transitions. Word has length 95 [2025-02-05 15:47:31,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:31,478 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 563 transitions. [2025-02-05 15:47:31,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-05 15:47:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 563 transitions. [2025-02-05 15:47:31,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-05 15:47:31,480 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:31,481 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:47:31,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-05 15:47:31,684 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 15:47:31,685 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:31,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:31,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1236722967, now seen corresponding path program 1 times [2025-02-05 15:47:31,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:31,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214396536] [2025-02-05 15:47:31,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:31,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:31,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-05 15:47:31,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-05 15:47:31,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:31,724 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:31,904 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-05 15:47:31,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:31,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214396536] [2025-02-05 15:47:31,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214396536] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:47:31,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393493800] [2025-02-05 15:47:31,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:31,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:31,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:47:31,908 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 15:47:31,910 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 15:47:32,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-05 15:47:32,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-05 15:47:32,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:32,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:32,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-05 15:47:32,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:47:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-05 15:47:32,252 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:47:32,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393493800] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:32,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:47:32,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-05 15:47:32,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841401918] [2025-02-05 15:47:32,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:32,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:47:32,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:32,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:47:32,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:47:32,254 INFO L87 Difference]: Start difference. First operand 367 states and 563 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-05 15:47:32,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:32,311 INFO L93 Difference]: Finished difference Result 725 states and 1116 transitions. [2025-02-05 15:47:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:47:32,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 96 [2025-02-05 15:47:32,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:32,316 INFO L225 Difference]: With dead ends: 725 [2025-02-05 15:47:32,316 INFO L226 Difference]: Without dead ends: 369 [2025-02-05 15:47:32,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 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 15:47:32,318 INFO L435 NwaCegarLoop]: 462 mSDtfsCounter, 2 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1837 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 15:47:32,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1837 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:32,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-02-05 15:47:32,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2025-02-05 15:47:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 293 states have (on average 1.5392491467576792) internal successors, (451), 295 states have internal predecessors, (451), 57 states have call successors, (57), 17 states have call predecessors, (57), 18 states have return successors, (58), 56 states have call predecessors, (58), 56 states have call successors, (58) [2025-02-05 15:47:32,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 566 transitions. [2025-02-05 15:47:32,334 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 566 transitions. Word has length 96 [2025-02-05 15:47:32,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:32,335 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 566 transitions. [2025-02-05 15:47:32,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-05 15:47:32,335 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 566 transitions. [2025-02-05 15:47:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-05 15:47:32,337 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:32,337 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:47:32,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-05 15:47:32,537 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 15:47:32,538 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:32,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:32,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1302479840, now seen corresponding path program 1 times [2025-02-05 15:47:32,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:32,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241778466] [2025-02-05 15:47:32,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:32,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:32,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-05 15:47:32,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-05 15:47:32,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:32,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-05 15:47:32,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:32,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241778466] [2025-02-05 15:47:32,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241778466] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:47:32,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045808237] [2025-02-05 15:47:32,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:32,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:32,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:47:32,765 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 15:47:32,768 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 15:47:32,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-05 15:47:33,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-05 15:47:33,035 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:33,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:33,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-05 15:47:33,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:47:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-05 15:47:33,097 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:47:33,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045808237] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:33,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:47:33,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-02-05 15:47:33,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114758139] [2025-02-05 15:47:33,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:33,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:47:33,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:33,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:47:33,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-05 15:47:33,100 INFO L87 Difference]: Start difference. First operand 369 states and 566 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-05 15:47:33,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:33,176 INFO L93 Difference]: Finished difference Result 727 states and 1121 transitions. [2025-02-05 15:47:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:47:33,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 97 [2025-02-05 15:47:33,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:33,180 INFO L225 Difference]: With dead ends: 727 [2025-02-05 15:47:33,180 INFO L226 Difference]: Without dead ends: 371 [2025-02-05 15:47:33,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 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 15:47:33,182 INFO L435 NwaCegarLoop]: 460 mSDtfsCounter, 2 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1823 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 15:47:33,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1823 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:33,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-02-05 15:47:33,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2025-02-05 15:47:33,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 294 states have (on average 1.5374149659863945) internal successors, (452), 297 states have internal predecessors, (452), 57 states have call successors, (57), 17 states have call predecessors, (57), 19 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2025-02-05 15:47:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 572 transitions. [2025-02-05 15:47:33,211 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 572 transitions. Word has length 97 [2025-02-05 15:47:33,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:33,211 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 572 transitions. [2025-02-05 15:47:33,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-05 15:47:33,212 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 572 transitions. [2025-02-05 15:47:33,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-05 15:47:33,213 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:33,215 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:47:33,224 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 15:47:33,418 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 15:47:33,419 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:33,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:33,419 INFO L85 PathProgramCache]: Analyzing trace with hash 40519159, now seen corresponding path program 1 times [2025-02-05 15:47:33,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:33,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839841775] [2025-02-05 15:47:33,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:33,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:33,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-05 15:47:33,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-05 15:47:33,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:33,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-05 15:47:33,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:33,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839841775] [2025-02-05 15:47:33,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839841775] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:33,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:47:33,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:47:33,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009978152] [2025-02-05 15:47:33,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:33,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:47:33,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:33,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:47:33,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:47:33,592 INFO L87 Difference]: Start difference. First operand 371 states and 572 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-05 15:47:33,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:33,644 INFO L93 Difference]: Finished difference Result 719 states and 1112 transitions. [2025-02-05 15:47:33,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:47:33,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 98 [2025-02-05 15:47:33,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:33,648 INFO L225 Difference]: With dead ends: 719 [2025-02-05 15:47:33,648 INFO L226 Difference]: Without dead ends: 371 [2025-02-05 15:47:33,649 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 15:47:33,651 INFO L435 NwaCegarLoop]: 463 mSDtfsCounter, 2 mSDsluCounter, 1378 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1841 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 15:47:33,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1841 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:33,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-02-05 15:47:33,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2025-02-05 15:47:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 294 states have (on average 1.5374149659863945) internal successors, (452), 297 states have internal predecessors, (452), 57 states have call successors, (57), 17 states have call predecessors, (57), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2025-02-05 15:47:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 571 transitions. [2025-02-05 15:47:33,677 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 571 transitions. Word has length 98 [2025-02-05 15:47:33,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:33,678 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 571 transitions. [2025-02-05 15:47:33,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-05 15:47:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 571 transitions. [2025-02-05 15:47:33,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-05 15:47:33,680 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:33,681 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:47:33,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-05 15:47:33,681 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:33,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:33,682 INFO L85 PathProgramCache]: Analyzing trace with hash 58503180, now seen corresponding path program 2 times [2025-02-05 15:47:33,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:33,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680044851] [2025-02-05 15:47:33,683 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-05 15:47:33,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:33,701 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-02-05 15:47:33,706 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 44 of 99 statements. [2025-02-05 15:47:33,706 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-05 15:47:33,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-05 15:47:33,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:33,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680044851] [2025-02-05 15:47:33,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680044851] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:33,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:47:33,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:47:33,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137404235] [2025-02-05 15:47:33,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:33,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:47:33,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:33,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:47:33,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:47:33,770 INFO L87 Difference]: Start difference. First operand 371 states and 571 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2025-02-05 15:47:33,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:33,795 INFO L93 Difference]: Finished difference Result 371 states and 571 transitions. [2025-02-05 15:47:33,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:47:33,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2025-02-05 15:47:33,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:33,798 INFO L225 Difference]: With dead ends: 371 [2025-02-05 15:47:33,798 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 15:47:33,799 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 15:47:33,800 INFO L435 NwaCegarLoop]: 466 mSDtfsCounter, 0 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1857 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 15:47:33,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1857 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:33,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 15:47:33,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 15:47:33,801 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 15:47:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 15:47:33,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2025-02-05 15:47:33,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:33,801 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 15:47:33,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2025-02-05 15:47:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 15:47:33,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 15:47:33,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:47:33,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-05 15:47:33,807 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2025-02-05 15:47:33,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 15:47:33,902 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:47:33,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:47:33 BoogieIcfgContainer [2025-02-05 15:47:33,911 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:47:33,912 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:47:33,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:47:33,913 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:47:33,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:47:28" (3/4) ... [2025-02-05 15:47:33,915 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 15:47:33,921 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2025-02-05 15:47:33,921 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-02-05 15:47:33,921 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isSigned [2025-02-05 15:47:33,921 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-02-05 15:47:33,921 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-02-05 15:47:33,921 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-02-05 15:47:33,921 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-02-05 15:47:33,921 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-02-05 15:47:33,921 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-02-05 15:47:33,921 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-02-05 15:47:33,922 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-02-05 15:47:33,922 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-02-05 15:47:33,922 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-02-05 15:47:33,924 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-02-05 15:47:33,924 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure queue [2025-02-05 15:47:33,925 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-02-05 15:47:33,925 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-02-05 15:47:33,949 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges [2025-02-05 15:47:33,952 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2025-02-05 15:47:33,954 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-02-05 15:47:33,955 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-05 15:47:33,957 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:47:33,958 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:47:34,114 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:47:34,114 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:47:34,114 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:47:34,116 INFO L158 Benchmark]: Toolchain (without parser) took 8210.50ms. Allocated memory is still 201.3MB. Free memory was 152.3MB in the beginning and 49.0MB in the end (delta: 103.4MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. [2025-02-05 15:47:34,116 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 201.3MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:47:34,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 823.79ms. Allocated memory is still 201.3MB. Free memory was 152.0MB in the beginning and 114.3MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-05 15:47:34,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.72ms. Allocated memory is still 201.3MB. Free memory was 114.3MB in the beginning and 108.8MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:47:34,117 INFO L158 Benchmark]: Boogie Preprocessor took 110.02ms. Allocated memory is still 201.3MB. Free memory was 108.8MB in the beginning and 103.5MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:47:34,117 INFO L158 Benchmark]: IcfgBuilder took 1280.03ms. Allocated memory is still 201.3MB. Free memory was 103.5MB in the beginning and 125.0MB in the end (delta: -21.5MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2025-02-05 15:47:34,118 INFO L158 Benchmark]: TraceAbstraction took 5704.67ms. Allocated memory is still 201.3MB. Free memory was 125.0MB in the beginning and 67.8MB in the end (delta: 57.2MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2025-02-05 15:47:34,118 INFO L158 Benchmark]: Witness Printer took 202.63ms. Allocated memory is still 201.3MB. Free memory was 67.8MB in the beginning and 49.0MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:47:34,120 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 201.3MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 823.79ms. Allocated memory is still 201.3MB. Free memory was 152.0MB in the beginning and 114.3MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.72ms. Allocated memory is still 201.3MB. Free memory was 114.3MB in the beginning and 108.8MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 110.02ms. Allocated memory is still 201.3MB. Free memory was 108.8MB in the beginning and 103.5MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1280.03ms. Allocated memory is still 201.3MB. Free memory was 103.5MB in the beginning and 125.0MB in the end (delta: -21.5MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5704.67ms. Allocated memory is still 201.3MB. Free memory was 125.0MB in the beginning and 67.8MB in the end (delta: 57.2MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Witness Printer took 202.63ms. Allocated memory is still 201.3MB. Free memory was 67.8MB in the beginning and 49.0MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] - GenericResultAtLocation [Line: 277]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [277] - GenericResultAtLocation [Line: 643]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [643] - GenericResultAtLocation [Line: 1055]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1055] - GenericResultAtLocation [Line: 1371]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1371] - GenericResultAtLocation [Line: 2442]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2442] - GenericResultAtLocation [Line: 2764]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [2764] - GenericResultAtLocation [Line: 2783]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2783] - GenericResultAtLocation [Line: 2879]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2879] - GenericResultAtLocation [Line: 2896]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2896] - GenericResultAtLocation [Line: 2931]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2931] * 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: 2936]: 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 18 procedures, 319 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 9679 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6397 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3282 mSDtfsCounter, 136 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 494 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=371occurred 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, 1.8s InterpolantComputationTime, 1119 NumberOfCodeBlocks, 1064 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1107 ConstructedInterpolants, 0 QuantifiedInterpolants, 1210 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4745 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 335/353 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-05 15:47:34,148 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