./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product08.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 25f377b9a54c9ee2ed75c64ae9c58ce8e9d7938b6493e908dfb7e7f7a3cef80e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:40:29,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:40:29,666 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:40:29,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:40:29,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:40:29,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:40:29,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:40:29,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:40:29,701 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:40:29,701 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:40:29,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:40:29,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:40:29,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:40:29,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:40:29,702 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:40:29,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:40:29,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:40:29,703 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:40:29,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:40:29,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:40:29,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:40:29,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:40:29,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:40:29,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:40:29,704 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:40:29,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:40:29,704 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:40:29,704 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:40:29,704 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:40:29,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:40:29,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:40:29,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:40:29,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:40:29,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:40:29,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:40:29,705 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:40:29,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:40:29,705 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:40:29,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:40:29,705 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:40:29,706 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:40:29,706 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:40:29,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:40:29,706 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 -> 25f377b9a54c9ee2ed75c64ae9c58ce8e9d7938b6493e908dfb7e7f7a3cef80e [2025-02-05 15:40:29,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:40:30,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:40:30,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:40:30,005 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:40:30,006 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:40:30,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product08.cil.c [2025-02-05 15:40:31,282 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f82ca4859/58872bd34b864caca92c8e05c51d95dd/FLAG3bffb1d0a [2025-02-05 15:40:31,655 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:40:31,656 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product08.cil.c [2025-02-05 15:40:31,676 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f82ca4859/58872bd34b864caca92c8e05c51d95dd/FLAG3bffb1d0a [2025-02-05 15:40:31,893 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f82ca4859/58872bd34b864caca92c8e05c51d95dd [2025-02-05 15:40:31,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:40:31,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:40:31,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:40:31,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:40:31,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:40:31,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:40:31" (1/1) ... [2025-02-05 15:40:31,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64366ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:31, skipping insertion in model container [2025-02-05 15:40:31,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:40:31" (1/1) ... [2025-02-05 15:40:31,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:40:32,484 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product08.cil.c[54831,54844] [2025-02-05 15:40:32,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:40:32,518 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:40:32,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2025-02-05 15:40:32,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [363] [2025-02-05 15:40:32,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1435] [2025-02-05 15:40:32,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1634] [2025-02-05 15:40:32,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1700] [2025-02-05 15:40:32,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2066] [2025-02-05 15:40:32,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2473] [2025-02-05 15:40:32,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2508] [2025-02-05 15:40:32,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2525] [2025-02-05 15:40:32,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2534] [2025-02-05 15:40:32,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2553] [2025-02-05 15:40:32,647 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product08.cil.c[54831,54844] [2025-02-05 15:40:32,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:40:32,692 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:40:32,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32 WrapperNode [2025-02-05 15:40:32,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:40:32,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:40:32,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:40:32,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:40:32,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32" (1/1) ... [2025-02-05 15:40:32,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32" (1/1) ... [2025-02-05 15:40:32,774 INFO L138 Inliner]: procedures = 121, calls = 162, calls flagged for inlining = 46, calls inlined = 40, statements flattened = 735 [2025-02-05 15:40:32,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:40:32,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:40:32,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:40:32,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:40:32,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32" (1/1) ... [2025-02-05 15:40:32,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32" (1/1) ... [2025-02-05 15:40:32,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32" (1/1) ... [2025-02-05 15:40:32,808 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2025-02-05 15:40:32,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32" (1/1) ... [2025-02-05 15:40:32,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32" (1/1) ... [2025-02-05 15:40:32,822 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32" (1/1) ... [2025-02-05 15:40:32,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32" (1/1) ... [2025-02-05 15:40:32,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32" (1/1) ... [2025-02-05 15:40:32,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32" (1/1) ... [2025-02-05 15:40:32,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:40:32,847 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:40:32,847 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:40:32,847 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:40:32,853 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32" (1/1) ... [2025-02-05 15:40:32,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:40:32,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:32,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 15:40:32,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 15:40:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-02-05 15:40:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-02-05 15:40:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-02-05 15:40:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-02-05 15:40:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-02-05 15:40:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-02-05 15:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-02-05 15:40:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-02-05 15:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-02-05 15:40:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-02-05 15:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-02-05 15:40:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-02-05 15:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-02-05 15:40:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-02-05 15:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-02-05 15:40:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-02-05 15:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-02-05 15:40:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-02-05 15:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-02-05 15:40:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-02-05 15:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-02-05 15:40:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-02-05 15:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-02-05 15:40:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-02-05 15:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-02-05 15:40:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-02-05 15:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 15:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 15:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 15:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-02-05 15:40:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-02-05 15:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:40:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:40:33,112 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:40:33,114 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:40:33,257 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1412-1: getClientId_#res#1 := getClientId_~retValue_acc~17#1; [2025-02-05 15:40:33,258 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L930-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~9#1; [2025-02-05 15:40:33,296 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2191: #res := ~retValue_acc~32; [2025-02-05 15:40:33,351 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~11#1; [2025-02-05 15:40:33,351 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069: #res#1 := ~retValue_acc~12#1; [2025-02-05 15:40:33,391 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1697-1: createEmail_#res#1 := createEmail_~retValue_acc~25#1; [2025-02-05 15:40:33,716 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2505-1: valid_product_#res#1 := valid_product_~retValue_acc~41#1; [2025-02-05 15:40:33,716 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1557-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~19#1; [2025-02-05 15:40:33,716 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1566-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~20#1; [2025-02-05 15:40:33,716 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1575-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~21#1; [2025-02-05 15:40:33,716 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1239-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~14#1; [2025-02-05 15:40:33,716 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1132-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~13#1; [2025-02-05 15:40:33,728 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2154: #res := ~retValue_acc~31; [2025-02-05 15:40:33,733 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1673: #res := ~retValue_acc~23; [2025-02-05 15:40:33,838 INFO L? ?]: Removed 285 outVars from TransFormulas that were not future-live. [2025-02-05 15:40:33,839 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:40:33,859 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:40:33,859 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:40:33,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:40:33 BoogieIcfgContainer [2025-02-05 15:40:33,859 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:40:33,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:40:33,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:40:33,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:40:33,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:40:31" (1/3) ... [2025-02-05 15:40:33,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6160088d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:40:33, skipping insertion in model container [2025-02-05 15:40:33,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:32" (2/3) ... [2025-02-05 15:40:33,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6160088d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:40:33, skipping insertion in model container [2025-02-05 15:40:33,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:40:33" (3/3) ... [2025-02-05 15:40:33,868 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product08.cil.c [2025-02-05 15:40:33,879 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:40:33,882 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product08.cil.c that has 15 procedures, 230 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 15:40:33,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:40:33,944 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;@5e9c57de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:40:33,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:40:33,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 230 states, 180 states have (on average 1.5277777777777777) internal successors, (275), 182 states have internal predecessors, (275), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-05 15:40:33,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-05 15:40:33,965 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:33,965 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 15:40:33,966 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:33,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:33,973 INFO L85 PathProgramCache]: Analyzing trace with hash 286814012, now seen corresponding path program 1 times [2025-02-05 15:40:33,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:33,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560643072] [2025-02-05 15:40:33,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:33,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:34,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-05 15:40:34,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-05 15:40:34,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:34,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:34,653 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 15:40:34,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:34,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560643072] [2025-02-05 15:40:34,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560643072] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:34,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615963727] [2025-02-05 15:40:34,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:34,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:34,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:34,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:40:34,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-05 15:40:34,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-05 15:40:34,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-05 15:40:34,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:34,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:34,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 15:40:34,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:35,001 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 15:40:35,002 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:35,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615963727] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:35,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:35,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-02-05 15:40:35,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602941614] [2025-02-05 15:40:35,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:35,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 15:40:35,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:35,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 15:40:35,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:40:35,034 INFO L87 Difference]: Start difference. First operand has 230 states, 180 states have (on average 1.5277777777777777) internal successors, (275), 182 states have internal predecessors, (275), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 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 15:40:35,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:35,078 INFO L93 Difference]: Finished difference Result 307 states and 442 transitions. [2025-02-05 15:40:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 15:40:35,082 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 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 15:40:35,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:35,095 INFO L225 Difference]: With dead ends: 307 [2025-02-05 15:40:35,095 INFO L226 Difference]: Without dead ends: 223 [2025-02-05 15:40:35,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:40:35,103 INFO L435 NwaCegarLoop]: 340 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, 340 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:35,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:35,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2025-02-05 15:40:35,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2025-02-05 15:40:35,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 174 states have (on average 1.5229885057471264) internal successors, (265), 175 states have internal predecessors, (265), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-05 15:40:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 332 transitions. [2025-02-05 15:40:35,178 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 332 transitions. Word has length 87 [2025-02-05 15:40:35,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:35,183 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 332 transitions. [2025-02-05 15:40:35,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 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 15:40:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 332 transitions. [2025-02-05 15:40:35,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-05 15:40:35,192 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:35,192 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:35,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-05 15:40:35,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-05 15:40:35,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:35,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:35,398 INFO L85 PathProgramCache]: Analyzing trace with hash -619312840, now seen corresponding path program 1 times [2025-02-05 15:40:35,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:35,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996607580] [2025-02-05 15:40:35,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:35,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:35,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-05 15:40:35,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-05 15:40:35,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:35,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:35,670 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 15:40:35,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:35,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996607580] [2025-02-05 15:40:35,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996607580] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:35,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226109004] [2025-02-05 15:40:35,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:35,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:35,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:35,675 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:40:35,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-05 15:40:35,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-05 15:40:35,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-05 15:40:35,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:35,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:35,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 15:40:35,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:36,020 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 15:40:36,020 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:36,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226109004] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:36,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:36,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:40:36,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499251315] [2025-02-05 15:40:36,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:36,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:40:36,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:36,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:40:36,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:40:36,027 INFO L87 Difference]: Start difference. First operand 223 states and 332 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 15:40:36,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:36,071 INFO L93 Difference]: Finished difference Result 296 states and 423 transitions. [2025-02-05 15:40:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:40:36,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 88 [2025-02-05 15:40:36,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:36,077 INFO L225 Difference]: With dead ends: 296 [2025-02-05 15:40:36,078 INFO L226 Difference]: Without dead ends: 225 [2025-02-05 15:40:36,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:40:36,081 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 0 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:36,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 660 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:36,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2025-02-05 15:40:36,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2025-02-05 15:40:36,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 176 states have (on average 1.5170454545454546) internal successors, (267), 177 states have internal predecessors, (267), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-05 15:40:36,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 334 transitions. [2025-02-05 15:40:36,114 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 334 transitions. Word has length 88 [2025-02-05 15:40:36,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:36,114 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 334 transitions. [2025-02-05 15:40:36,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 15:40:36,115 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 334 transitions. [2025-02-05 15:40:36,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-05 15:40:36,117 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:36,117 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 15:40:36,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-05 15:40:36,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:36,318 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:36,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:36,318 INFO L85 PathProgramCache]: Analyzing trace with hash 760175434, now seen corresponding path program 1 times [2025-02-05 15:40:36,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:36,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720028757] [2025-02-05 15:40:36,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:36,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:36,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-05 15:40:36,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-05 15:40:36,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:36,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:36,555 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 15:40:36,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:36,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720028757] [2025-02-05 15:40:36,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720028757] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:36,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738955386] [2025-02-05 15:40:36,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:36,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:36,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:36,561 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:40:36,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-05 15:40:36,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-05 15:40:36,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-05 15:40:36,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:36,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:36,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-05 15:40:36,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:36,869 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 15:40:36,869 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:36,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738955386] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:36,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:36,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:40:36,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869393522] [2025-02-05 15:40:36,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:36,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:40:36,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:36,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:40:36,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:40:36,873 INFO L87 Difference]: Start difference. First operand 225 states and 334 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 15:40:36,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:36,912 INFO L93 Difference]: Finished difference Result 479 states and 726 transitions. [2025-02-05 15:40:36,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:40:36,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 96 [2025-02-05 15:40:36,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:36,915 INFO L225 Difference]: With dead ends: 479 [2025-02-05 15:40:36,915 INFO L226 Difference]: Without dead ends: 281 [2025-02-05 15:40:36,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:40:36,917 INFO L435 NwaCegarLoop]: 342 mSDtfsCounter, 107 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:36,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 627 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:36,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2025-02-05 15:40:36,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 273. [2025-02-05 15:40:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 213 states have (on average 1.539906103286385) internal successors, (328), 214 states have internal predecessors, (328), 45 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-02-05 15:40:36,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 417 transitions. [2025-02-05 15:40:36,945 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 417 transitions. Word has length 96 [2025-02-05 15:40:36,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:36,945 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 417 transitions. [2025-02-05 15:40:36,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 15:40:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 417 transitions. [2025-02-05 15:40:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-05 15:40:36,948 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:36,948 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:36,957 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 15:40:37,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:37,149 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:37,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:37,150 INFO L85 PathProgramCache]: Analyzing trace with hash 363129684, now seen corresponding path program 1 times [2025-02-05 15:40:37,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:37,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708068169] [2025-02-05 15:40:37,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:37,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:37,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-05 15:40:37,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-05 15:40:37,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:37,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:37,354 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 15:40:37,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:37,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708068169] [2025-02-05 15:40:37,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708068169] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:37,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123813118] [2025-02-05 15:40:37,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:37,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:37,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:37,357 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:40:37,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-05 15:40:37,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-05 15:40:37,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-05 15:40:37,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:37,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:37,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-05 15:40:37,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:37,694 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 15:40:37,696 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:37,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123813118] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:37,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:37,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-05 15:40:37,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650032043] [2025-02-05 15:40:37,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:37,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:40:37,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:37,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:40:37,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:40:37,699 INFO L87 Difference]: Start difference. First operand 273 states and 417 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 15:40:37,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:37,755 INFO L93 Difference]: Finished difference Result 537 states and 824 transitions. [2025-02-05 15:40:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:40:37,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 97 [2025-02-05 15:40:37,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:37,759 INFO L225 Difference]: With dead ends: 537 [2025-02-05 15:40:37,759 INFO L226 Difference]: Without dead ends: 275 [2025-02-05 15:40:37,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:40:37,760 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 2 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:37,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1285 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:37,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2025-02-05 15:40:37,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2025-02-05 15:40:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 214 states have (on average 1.5373831775700935) internal successors, (329), 216 states have internal predecessors, (329), 45 states have call successors, (45), 14 states have call predecessors, (45), 15 states have return successors, (46), 44 states have call predecessors, (46), 44 states have call successors, (46) [2025-02-05 15:40:37,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 420 transitions. [2025-02-05 15:40:37,784 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 420 transitions. Word has length 97 [2025-02-05 15:40:37,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:37,784 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 420 transitions. [2025-02-05 15:40:37,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 15:40:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 420 transitions. [2025-02-05 15:40:37,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-05 15:40:37,788 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:37,788 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:37,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-05 15:40:37,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:37,989 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:37,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:37,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2106694632, now seen corresponding path program 1 times [2025-02-05 15:40:37,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:37,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211573808] [2025-02-05 15:40:37,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:37,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:38,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-05 15:40:38,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-05 15:40:38,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:38,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:38,185 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 15:40:38,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:38,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211573808] [2025-02-05 15:40:38,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211573808] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:38,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632529696] [2025-02-05 15:40:38,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:38,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:38,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:38,188 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:40:38,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-05 15:40:38,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-05 15:40:38,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-05 15:40:38,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:38,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:38,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-05 15:40:38,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:38,504 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 15:40:38,504 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:38,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632529696] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:38,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:38,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-02-05 15:40:38,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741192359] [2025-02-05 15:40:38,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:38,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:40:38,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:38,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:40:38,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-05 15:40:38,507 INFO L87 Difference]: Start difference. First operand 275 states and 420 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 15:40:38,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:38,597 INFO L93 Difference]: Finished difference Result 539 states and 829 transitions. [2025-02-05 15:40:38,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:40:38,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 98 [2025-02-05 15:40:38,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:38,600 INFO L225 Difference]: With dead ends: 539 [2025-02-05 15:40:38,600 INFO L226 Difference]: Without dead ends: 277 [2025-02-05 15:40:38,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-05 15:40:38,604 INFO L435 NwaCegarLoop]: 322 mSDtfsCounter, 2 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:38,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1271 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-05 15:40:38,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-02-05 15:40:38,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2025-02-05 15:40:38,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 215 states have (on average 1.5348837209302326) internal successors, (330), 218 states have internal predecessors, (330), 45 states have call successors, (45), 14 states have call predecessors, (45), 16 states have return successors, (51), 44 states have call predecessors, (51), 44 states have call successors, (51) [2025-02-05 15:40:38,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 426 transitions. [2025-02-05 15:40:38,632 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 426 transitions. Word has length 98 [2025-02-05 15:40:38,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:38,633 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 426 transitions. [2025-02-05 15:40:38,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 15:40:38,634 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 426 transitions. [2025-02-05 15:40:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-05 15:40:38,637 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:38,637 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:38,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-05 15:40:38,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:38,840 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:38,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:38,841 INFO L85 PathProgramCache]: Analyzing trace with hash -687487722, now seen corresponding path program 1 times [2025-02-05 15:40:38,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:38,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129994764] [2025-02-05 15:40:38,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:38,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:38,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-05 15:40:38,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-05 15:40:38,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:38,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:39,020 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 15:40:39,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:39,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129994764] [2025-02-05 15:40:39,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129994764] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:39,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:40:39,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:40:39,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39499067] [2025-02-05 15:40:39,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:39,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:40:39,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:39,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:40:39,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:40:39,022 INFO L87 Difference]: Start difference. First operand 277 states and 426 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 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 15:40:39,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:39,077 INFO L93 Difference]: Finished difference Result 531 states and 820 transitions. [2025-02-05 15:40:39,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:40:39,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 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 99 [2025-02-05 15:40:39,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:39,081 INFO L225 Difference]: With dead ends: 531 [2025-02-05 15:40:39,081 INFO L226 Difference]: Without dead ends: 277 [2025-02-05 15:40:39,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:40:39,085 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 2 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:39,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1289 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:39,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-02-05 15:40:39,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2025-02-05 15:40:39,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 215 states have (on average 1.5348837209302326) internal successors, (330), 218 states have internal predecessors, (330), 45 states have call successors, (45), 14 states have call predecessors, (45), 16 states have return successors, (50), 44 states have call predecessors, (50), 44 states have call successors, (50) [2025-02-05 15:40:39,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 425 transitions. [2025-02-05 15:40:39,106 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 425 transitions. Word has length 99 [2025-02-05 15:40:39,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:39,106 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 425 transitions. [2025-02-05 15:40:39,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 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 15:40:39,107 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 425 transitions. [2025-02-05 15:40:39,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-05 15:40:39,108 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:39,108 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:39,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-05 15:40:39,109 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:39,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:39,109 INFO L85 PathProgramCache]: Analyzing trace with hash -2014109876, now seen corresponding path program 2 times [2025-02-05 15:40:39,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:39,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639551845] [2025-02-05 15:40:39,109 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-05 15:40:39,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:39,129 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-02-05 15:40:39,136 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 49 of 100 statements. [2025-02-05 15:40:39,136 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-05 15:40:39,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:39,236 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 15:40:39,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:39,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639551845] [2025-02-05 15:40:39,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639551845] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:39,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:40:39,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-05 15:40:39,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680946430] [2025-02-05 15:40:39,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:39,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-05 15:40:39,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:39,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-05 15:40:39,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-05 15:40:39,240 INFO L87 Difference]: Start difference. First operand 277 states and 425 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 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 15:40:39,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:39,287 INFO L93 Difference]: Finished difference Result 277 states and 425 transitions. [2025-02-05 15:40:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-05 15:40:39,288 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 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 100 [2025-02-05 15:40:39,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:39,289 INFO L225 Difference]: With dead ends: 277 [2025-02-05 15:40:39,289 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 15:40:39,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-05 15:40:39,291 INFO L435 NwaCegarLoop]: 326 mSDtfsCounter, 0 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1947 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:39,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1947 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:39,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 15:40:39,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 15:40:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 15:40:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 15:40:39,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2025-02-05 15:40:39,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:39,294 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 15:40:39,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 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 15:40:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 15:40:39,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 15:40:39,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:40:39,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-05 15:40:39,299 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2025-02-05 15:40:39,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 15:40:39,377 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:40:39,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:40:39 BoogieIcfgContainer [2025-02-05 15:40:39,389 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:40:39,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:40:39,389 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:40:39,390 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:40:39,391 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:40:33" (3/4) ... [2025-02-05 15:40:39,393 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 15:40:39,398 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-02-05 15:40:39,398 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-02-05 15:40:39,398 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-02-05 15:40:39,399 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-02-05 15:40:39,399 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-02-05 15:40:39,399 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-02-05 15:40:39,399 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-02-05 15:40:39,399 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-02-05 15:40:39,399 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-02-05 15:40:39,399 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-02-05 15:40:39,399 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-02-05 15:40:39,399 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-02-05 15:40:39,399 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-02-05 15:40:39,399 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-02-05 15:40:39,416 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2025-02-05 15:40:39,419 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2025-02-05 15:40:39,421 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-02-05 15:40:39,422 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-05 15:40:39,423 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:40:39,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:40:39,558 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:40:39,558 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:40:39,558 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:40:39,559 INFO L158 Benchmark]: Toolchain (without parser) took 7663.10ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 111.5MB in the beginning and 135.8MB in the end (delta: -24.4MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. [2025-02-05 15:40:39,559 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 226.5MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:40:39,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 797.61ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 74.8MB in the end (delta: 36.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-05 15:40:39,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.44ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 70.9MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:40:39,560 INFO L158 Benchmark]: Boogie Preprocessor took 70.53ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 66.9MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:40:39,560 INFO L158 Benchmark]: IcfgBuilder took 1012.96ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 80.3MB in the end (delta: -13.4MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2025-02-05 15:40:39,560 INFO L158 Benchmark]: TraceAbstraction took 5526.93ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 79.5MB in the beginning and 55.9MB in the end (delta: 23.6MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2025-02-05 15:40:39,561 INFO L158 Benchmark]: Witness Printer took 168.93ms. Allocated memory is still 176.2MB. Free memory was 55.9MB in the beginning and 135.8MB in the end (delta: -79.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:40:39,562 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 226.5MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 797.61ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 74.8MB in the end (delta: 36.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.44ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 70.9MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.53ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 66.9MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 1012.96ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 80.3MB in the end (delta: -13.4MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5526.93ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 79.5MB in the beginning and 55.9MB in the end (delta: 23.6MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Witness Printer took 168.93ms. Allocated memory is still 176.2MB. Free memory was 55.9MB in the beginning and 135.8MB in the end (delta: -79.9MB). 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,"Test.i","") [48] - GenericResultAtLocation [Line: 363]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [363] - GenericResultAtLocation [Line: 1435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1435] - GenericResultAtLocation [Line: 1634]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1634] - GenericResultAtLocation [Line: 1700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1700] - GenericResultAtLocation [Line: 2066]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2066] - GenericResultAtLocation [Line: 2473]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2473] - GenericResultAtLocation [Line: 2508]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2508] - GenericResultAtLocation [Line: 2525]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2525] - GenericResultAtLocation [Line: 2534]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2534] - GenericResultAtLocation [Line: 2553]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2553] * 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: 2530]: 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 15 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 7419 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5109 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2310 mSDtfsCounter, 152 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 502 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=5, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1131 NumberOfCodeBlocks, 1080 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1119 ConstructedInterpolants, 0 QuantifiedInterpolants, 1228 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4465 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 15:40:39,579 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