./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec7_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec7_product19.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 7a4e3d1ef75cde0243f57ce4bcedb5827704adb835017a69deaa6c50c3201720 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:47:14,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:47:14,630 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:47:14,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:47:14,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:47:14,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:47:14,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:47:14,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:47:14,652 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:47:14,652 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:47:14,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:47:14,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:47:14,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:47:14,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:47:14,653 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:47:14,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:47:14,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:47:14,653 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:47:14,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:47:14,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:47:14,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:47:14,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:47:14,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:47:14,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:47:14,654 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:47:14,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:47:14,654 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:47:14,654 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:47:14,654 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:47:14,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:47:14,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:47:14,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:47:14,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:47:14,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:47:14,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:47:14,655 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:47:14,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:47:14,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:47:14,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:47:14,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:47:14,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:47:14,656 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:47:14,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:47:14,656 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 -> 7a4e3d1ef75cde0243f57ce4bcedb5827704adb835017a69deaa6c50c3201720 [2025-02-05 15:47:14,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:47:14,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:47:14,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:47:14,929 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:47:14,929 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:47:14,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product19.cil.c [2025-02-05 15:47:16,290 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/329a43dd1/e2ee0e8e0ad144bf8a20ac79ea737fb3/FLAGb292308df [2025-02-05 15:47:16,621 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:47:16,622 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c [2025-02-05 15:47:16,639 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/329a43dd1/e2ee0e8e0ad144bf8a20ac79ea737fb3/FLAGb292308df [2025-02-05 15:47:16,680 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/329a43dd1/e2ee0e8e0ad144bf8a20ac79ea737fb3 [2025-02-05 15:47:16,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:47:16,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:47:16,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:47:16,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:47:16,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:47:16,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:47:16" (1/1) ... [2025-02-05 15:47:16,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557153f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:16, skipping insertion in model container [2025-02-05 15:47:16,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:47:16" (1/1) ... [2025-02-05 15:47:16,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:47:17,116 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c[37206,37219] [2025-02-05 15:47:17,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:47:17,169 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:47:17,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [48] [2025-02-05 15:47:17,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [79] [2025-02-05 15:47:17,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [97] [2025-02-05 15:47:17,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [509] [2025-02-05 15:47:17,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [547] [2025-02-05 15:47:17,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [913] [2025-02-05 15:47:17,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1138] [2025-02-05 15:47:17,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1236] [2025-02-05 15:47:17,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1533] [2025-02-05 15:47:17,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1815] [2025-02-05 15:47:17,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1824] [2025-02-05 15:47:17,228 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c[37206,37219] [2025-02-05 15:47:17,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:47:17,269 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:47:17,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17 WrapperNode [2025-02-05 15:47:17,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:47:17,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:47:17,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:47:17,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:47:17,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17" (1/1) ... [2025-02-05 15:47:17,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17" (1/1) ... [2025-02-05 15:47:17,329 INFO L138 Inliner]: procedures = 127, calls = 184, calls flagged for inlining = 60, calls inlined = 55, statements flattened = 1000 [2025-02-05 15:47:17,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:47:17,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:47:17,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:47:17,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:47:17,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17" (1/1) ... [2025-02-05 15:47:17,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17" (1/1) ... [2025-02-05 15:47:17,354 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17" (1/1) ... [2025-02-05 15:47:17,386 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2025-02-05 15:47:17,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17" (1/1) ... [2025-02-05 15:47:17,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17" (1/1) ... [2025-02-05 15:47:17,400 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17" (1/1) ... [2025-02-05 15:47:17,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17" (1/1) ... [2025-02-05 15:47:17,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17" (1/1) ... [2025-02-05 15:47:17,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17" (1/1) ... [2025-02-05 15:47:17,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:47:17,409 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:47:17,409 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:47:17,409 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:47:17,410 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17" (1/1) ... [2025-02-05 15:47:17,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:47:17,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:47:17,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 15:47:17,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 15:47:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-02-05 15:47:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-02-05 15:47:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-02-05 15:47:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-02-05 15:47:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-02-05 15:47:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-02-05 15:47:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-02-05 15:47:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-02-05 15:47:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-02-05 15:47:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-02-05 15:47:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-02-05 15:47:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-02-05 15:47:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-02-05 15:47:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-02-05 15:47:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-02-05 15:47:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-02-05 15:47:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:47:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-02-05 15:47:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-02-05 15:47:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-02-05 15:47:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-02-05 15:47:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-02-05 15:47:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-02-05 15:47:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-02-05 15:47:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-02-05 15:47:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-02-05 15:47:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-02-05 15:47:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-02-05 15:47:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-02-05 15:47:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-02-05 15:47:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-02-05 15:47:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:47:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 15:47:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 15:47:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 15:47:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-02-05 15:47:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-02-05 15:47:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:47:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:47:17,619 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:47:17,622 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:47:17,669 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L453: #res := ~retValue_acc~10; [2025-02-05 15:47:17,917 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2868-1: getClientId_#res#1 := getClientId_~retValue_acc~42#1; [2025-02-05 15:47:17,918 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L490-1: isVerified_#res#1 := isVerified_~retValue_acc~11#1; [2025-02-05 15:47:17,918 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L153-1: getEmailId_#res#1 := getEmailId_~retValue_acc~2#1; [2025-02-05 15:47:17,918 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2821-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~41#1; [2025-02-05 15:47:17,918 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2433-1: getClientPrivateKey_#res#1 := getClientPrivateKey_~retValue_acc~35#1; [2025-02-05 15:47:17,918 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749-1: findPublicKey_#res#1 := findPublicKey_~retValue_acc~40#1; [2025-02-05 15:47:17,918 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1436-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~24#1; [2025-02-05 15:47:17,923 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L416: #res := ~retValue_acc~9; [2025-02-05 15:47:17,939 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L227: #res := ~retValue_acc~4; [2025-02-05 15:47:17,957 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2525: #res#1 := ~retValue_acc~37#1; [2025-02-05 15:47:17,957 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2480-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~36#1; [2025-02-05 15:47:17,976 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1233-1: createEmail_#res#1 := createEmail_~retValue_acc~19#1; [2025-02-05 15:47:18,142 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2695-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~39#1; [2025-02-05 15:47:18,143 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~38#1; [2025-02-05 15:47:18,143 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1393-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~21#1; [2025-02-05 15:47:18,143 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1402-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~22#1; [2025-02-05 15:47:18,143 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1411-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~23#1; [2025-02-05 15:47:18,143 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L544-1: valid_product_#res#1 := valid_product_~retValue_acc~13#1; [2025-02-05 15:47:18,147 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L190: #res := ~retValue_acc~3; [2025-02-05 15:47:18,149 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1209: #res := ~retValue_acc~17; [2025-02-05 15:47:18,266 INFO L? ?]: Removed 433 outVars from TransFormulas that were not future-live. [2025-02-05 15:47:18,266 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:47:18,294 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:47:18,294 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:47:18,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:47:18 BoogieIcfgContainer [2025-02-05 15:47:18,295 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:47:18,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:47:18,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:47:18,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:47:18,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:47:16" (1/3) ... [2025-02-05 15:47:18,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d40826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:47:18, skipping insertion in model container [2025-02-05 15:47:18,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:47:17" (2/3) ... [2025-02-05 15:47:18,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d40826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:47:18, skipping insertion in model container [2025-02-05 15:47:18,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:47:18" (3/3) ... [2025-02-05 15:47:18,307 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec7_product19.cil.c [2025-02-05 15:47:18,323 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:47:18,326 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec7_product19.cil.c that has 17 procedures, 300 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 15:47:18,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:47:18,419 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;@61e8223c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:47:18,419 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:47:18,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 300 states, 240 states have (on average 1.5333333333333334) internal successors, (368), 242 states have internal predecessors, (368), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-02-05 15:47:18,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-05 15:47:18,444 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:18,445 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:47:18,446 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:18,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:18,449 INFO L85 PathProgramCache]: Analyzing trace with hash -461670973, now seen corresponding path program 1 times [2025-02-05 15:47:18,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:18,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797700040] [2025-02-05 15:47:18,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:18,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:18,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-05 15:47:18,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-05 15:47:18,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:18,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-05 15:47:19,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:19,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797700040] [2025-02-05 15:47:19,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797700040] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:47:19,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603155066] [2025-02-05 15:47:19,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:19,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:19,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:47:19,065 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:47:19,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-05 15:47:19,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-05 15:47:19,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-05 15:47:19,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:19,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:19,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 15:47:19,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:47:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-05 15:47:19,334 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:47:19,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603155066] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:19,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:47:19,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-02-05 15:47:19,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072125604] [2025-02-05 15:47:19,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:19,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 15:47:19,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:19,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 15:47:19,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:47:19,360 INFO L87 Difference]: Start difference. First operand has 300 states, 240 states have (on average 1.5333333333333334) internal successors, (368), 242 states have internal predecessors, (368), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-05 15:47:19,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:19,398 INFO L93 Difference]: Finished difference Result 447 states and 660 transitions. [2025-02-05 15:47:19,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 15:47:19,399 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 86 [2025-02-05 15:47:19,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:19,406 INFO L225 Difference]: With dead ends: 447 [2025-02-05 15:47:19,408 INFO L226 Difference]: Without dead ends: 293 [2025-02-05 15:47:19,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:47:19,413 INFO L435 NwaCegarLoop]: 449 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, 449 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:47:19,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:19,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2025-02-05 15:47:19,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2025-02-05 15:47:19,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 234 states have (on average 1.5299145299145298) internal successors, (358), 235 states have internal predecessors, (358), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-02-05 15:47:19,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 441 transitions. [2025-02-05 15:47:19,467 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 441 transitions. Word has length 86 [2025-02-05 15:47:19,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:19,469 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 441 transitions. [2025-02-05 15:47:19,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-05 15:47:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 441 transitions. [2025-02-05 15:47:19,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-05 15:47:19,475 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:19,476 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:47:19,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-05 15:47:19,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-05 15:47:19,677 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:19,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:19,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1790264736, now seen corresponding path program 1 times [2025-02-05 15:47:19,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:19,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364192210] [2025-02-05 15:47:19,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:19,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:19,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-05 15:47:19,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-05 15:47:19,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:19,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-05 15:47:19,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:19,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364192210] [2025-02-05 15:47:19,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364192210] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:47:19,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633178945] [2025-02-05 15:47:19,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:19,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:19,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:47:19,982 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:47:19,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-05 15:47:20,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-05 15:47:20,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-05 15:47:20,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:20,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:20,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 15:47:20,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:47:20,318 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-05 15:47:20,319 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:47:20,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633178945] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:20,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:47:20,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:47:20,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731078519] [2025-02-05 15:47:20,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:20,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:47:20,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:20,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:47:20,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:47:20,322 INFO L87 Difference]: Start difference. First operand 293 states and 441 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-05 15:47:20,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:20,366 INFO L93 Difference]: Finished difference Result 436 states and 641 transitions. [2025-02-05 15:47:20,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:47:20,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 87 [2025-02-05 15:47:20,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:20,370 INFO L225 Difference]: With dead ends: 436 [2025-02-05 15:47:20,371 INFO L226 Difference]: Without dead ends: 295 [2025-02-05 15:47:20,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:47:20,372 INFO L435 NwaCegarLoop]: 440 mSDtfsCounter, 0 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:47:20,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 878 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:20,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2025-02-05 15:47:20,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2025-02-05 15:47:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 236 states have (on average 1.5254237288135593) internal successors, (360), 237 states have internal predecessors, (360), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-02-05 15:47:20,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 443 transitions. [2025-02-05 15:47:20,402 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 443 transitions. Word has length 87 [2025-02-05 15:47:20,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:20,403 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 443 transitions. [2025-02-05 15:47:20,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-05 15:47:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 443 transitions. [2025-02-05 15:47:20,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-02-05 15:47:20,406 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:20,406 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] [2025-02-05 15:47:20,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-05 15:47:20,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:20,606 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:20,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:20,607 INFO L85 PathProgramCache]: Analyzing trace with hash 886115192, now seen corresponding path program 1 times [2025-02-05 15:47:20,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:20,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049607461] [2025-02-05 15:47:20,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:20,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:20,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-05 15:47:20,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-05 15:47:20,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:20,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-05 15:47:20,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:20,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049607461] [2025-02-05 15:47:20,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049607461] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:47:20,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953509927] [2025-02-05 15:47:20,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:20,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:20,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:47:20,883 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:47:20,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-05 15:47:21,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-05 15:47:21,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-05 15:47:21,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:21,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:21,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-05 15:47:21,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:47:21,183 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-05 15:47:21,186 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:47:21,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953509927] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:21,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:47:21,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:47:21,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146454824] [2025-02-05 15:47:21,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:21,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:47:21,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:21,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:47:21,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:47:21,187 INFO L87 Difference]: Start difference. First operand 295 states and 443 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-05 15:47:21,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:21,222 INFO L93 Difference]: Finished difference Result 619 states and 944 transitions. [2025-02-05 15:47:21,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:47:21,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 92 [2025-02-05 15:47:21,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:21,225 INFO L225 Difference]: With dead ends: 619 [2025-02-05 15:47:21,225 INFO L226 Difference]: Without dead ends: 351 [2025-02-05 15:47:21,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:47:21,226 INFO L435 NwaCegarLoop]: 457 mSDtfsCounter, 107 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:47:21,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 852 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-02-05 15:47:21,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 343. [2025-02-05 15:47:21,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 273 states have (on average 1.5421245421245422) internal successors, (421), 274 states have internal predecessors, (421), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-02-05 15:47:21,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 526 transitions. [2025-02-05 15:47:21,253 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 526 transitions. Word has length 92 [2025-02-05 15:47:21,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:21,256 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 526 transitions. [2025-02-05 15:47:21,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-05 15:47:21,256 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 526 transitions. [2025-02-05 15:47:21,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-05 15:47:21,260 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:21,260 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] [2025-02-05 15:47:21,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-05 15:47:21,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:21,461 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:21,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:21,462 INFO L85 PathProgramCache]: Analyzing trace with hash 423142171, now seen corresponding path program 1 times [2025-02-05 15:47:21,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:21,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105954899] [2025-02-05 15:47:21,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:21,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:21,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-05 15:47:21,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-05 15:47:21,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:21,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:21,582 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-05 15:47:21,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:21,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105954899] [2025-02-05 15:47:21,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105954899] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:47:21,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507317078] [2025-02-05 15:47:21,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:21,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:21,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:47:21,589 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:47:21,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-05 15:47:21,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-05 15:47:21,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-05 15:47:21,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:21,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:21,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-05 15:47:21,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:47:21,896 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-05 15:47:21,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:47:21,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507317078] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:21,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:47:21,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-05 15:47:21,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479072396] [2025-02-05 15:47:21,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:21,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:47:21,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:21,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:47:21,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:47:21,899 INFO L87 Difference]: Start difference. First operand 343 states and 526 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-05 15:47:21,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:21,953 INFO L93 Difference]: Finished difference Result 677 states and 1042 transitions. [2025-02-05 15:47:21,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:47:21,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 93 [2025-02-05 15:47:21,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:21,956 INFO L225 Difference]: With dead ends: 677 [2025-02-05 15:47:21,956 INFO L226 Difference]: Without dead ends: 345 [2025-02-05 15:47:21,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:47:21,957 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 2 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:47:21,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1721 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:21,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2025-02-05 15:47:21,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2025-02-05 15:47:21,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 274 states have (on average 1.5401459854014599) internal successors, (422), 276 states have internal predecessors, (422), 53 states have call successors, (53), 16 states have call predecessors, (53), 17 states have return successors, (54), 52 states have call predecessors, (54), 52 states have call successors, (54) [2025-02-05 15:47:21,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 529 transitions. [2025-02-05 15:47:21,968 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 529 transitions. Word has length 93 [2025-02-05 15:47:21,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:21,968 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 529 transitions. [2025-02-05 15:47:21,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-05 15:47:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 529 transitions. [2025-02-05 15:47:21,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-05 15:47:21,970 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:21,970 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] [2025-02-05 15:47:21,977 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 15:47:22,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:22,171 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:22,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:22,171 INFO L85 PathProgramCache]: Analyzing trace with hash 422762774, now seen corresponding path program 1 times [2025-02-05 15:47:22,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:22,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546430695] [2025-02-05 15:47:22,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:22,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:22,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-05 15:47:22,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-05 15:47:22,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:22,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:22,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-05 15:47:22,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:22,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546430695] [2025-02-05 15:47:22,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546430695] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:47:22,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517411998] [2025-02-05 15:47:22,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:22,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:22,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:47:22,286 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:47:22,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-05 15:47:22,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-05 15:47:22,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-05 15:47:22,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:22,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:22,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-05 15:47:22,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:47:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-05 15:47:22,532 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:47:22,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517411998] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:22,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:47:22,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-02-05 15:47:22,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402109918] [2025-02-05 15:47:22,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:22,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:47:22,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:22,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:47:22,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-05 15:47:22,534 INFO L87 Difference]: Start difference. First operand 345 states and 529 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-05 15:47:22,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:22,586 INFO L93 Difference]: Finished difference Result 679 states and 1047 transitions. [2025-02-05 15:47:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:47:22,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 94 [2025-02-05 15:47:22,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:22,590 INFO L225 Difference]: With dead ends: 679 [2025-02-05 15:47:22,590 INFO L226 Difference]: Without dead ends: 347 [2025-02-05 15:47:22,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-05 15:47:22,591 INFO L435 NwaCegarLoop]: 431 mSDtfsCounter, 2 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:47:22,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1707 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:22,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-02-05 15:47:22,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2025-02-05 15:47:22,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 275 states have (on average 1.538181818181818) internal successors, (423), 278 states have internal predecessors, (423), 53 states have call successors, (53), 16 states have call predecessors, (53), 18 states have return successors, (59), 52 states have call predecessors, (59), 52 states have call successors, (59) [2025-02-05 15:47:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 535 transitions. [2025-02-05 15:47:22,604 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 535 transitions. Word has length 94 [2025-02-05 15:47:22,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:22,604 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 535 transitions. [2025-02-05 15:47:22,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-05 15:47:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 535 transitions. [2025-02-05 15:47:22,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-05 15:47:22,605 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:22,605 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] [2025-02-05 15:47:22,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-05 15:47:22,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:47:22,810 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:22,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:22,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1688290941, now seen corresponding path program 1 times [2025-02-05 15:47:22,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:22,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661820138] [2025-02-05 15:47:22,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:47:22,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:22,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-05 15:47:22,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-05 15:47:22,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:47:22,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:22,914 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-05 15:47:22,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:22,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661820138] [2025-02-05 15:47:22,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661820138] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:22,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:47:22,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:47:22,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504154383] [2025-02-05 15:47:22,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:22,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:47:22,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:22,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:47:22,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:47:22,916 INFO L87 Difference]: Start difference. First operand 347 states and 535 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-05 15:47:22,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:22,950 INFO L93 Difference]: Finished difference Result 671 states and 1038 transitions. [2025-02-05 15:47:22,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:47:22,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 95 [2025-02-05 15:47:22,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:22,952 INFO L225 Difference]: With dead ends: 671 [2025-02-05 15:47:22,952 INFO L226 Difference]: Without dead ends: 347 [2025-02-05 15:47:22,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:47:22,953 INFO L435 NwaCegarLoop]: 434 mSDtfsCounter, 2 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1725 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:47:22,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1725 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:22,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-02-05 15:47:22,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2025-02-05 15:47:22,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 275 states have (on average 1.538181818181818) internal successors, (423), 278 states have internal predecessors, (423), 53 states have call successors, (53), 16 states have call predecessors, (53), 18 states have return successors, (58), 52 states have call predecessors, (58), 52 states have call successors, (58) [2025-02-05 15:47:22,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 534 transitions. [2025-02-05 15:47:22,963 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 534 transitions. Word has length 95 [2025-02-05 15:47:22,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:22,963 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 534 transitions. [2025-02-05 15:47:22,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-05 15:47:22,963 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 534 transitions. [2025-02-05 15:47:22,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-05 15:47:22,965 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:47:22,965 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] [2025-02-05 15:47:22,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-05 15:47:22,965 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:47:22,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:47:22,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1928221018, now seen corresponding path program 2 times [2025-02-05 15:47:22,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:47:22,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501662753] [2025-02-05 15:47:22,965 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-05 15:47:22,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:47:22,980 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-02-05 15:47:23,025 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 44 of 96 statements. [2025-02-05 15:47:23,026 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-05 15:47:23,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:47:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-05 15:47:23,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:47:23,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501662753] [2025-02-05 15:47:23,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501662753] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:47:23,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:47:23,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-05 15:47:23,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935681317] [2025-02-05 15:47:23,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:47:23,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-05 15:47:23,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:47:23,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-05 15:47:23,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-05 15:47:23,098 INFO L87 Difference]: Start difference. First operand 347 states and 534 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2025-02-05 15:47:23,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:47:23,146 INFO L93 Difference]: Finished difference Result 347 states and 534 transitions. [2025-02-05 15:47:23,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-05 15:47:23,147 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 states have internal predecessors, (57), 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 96 [2025-02-05 15:47:23,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:47:23,150 INFO L225 Difference]: With dead ends: 347 [2025-02-05 15:47:23,150 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 15:47:23,151 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 15:47:23,152 INFO L435 NwaCegarLoop]: 435 mSDtfsCounter, 0 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2601 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 15:47:23,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2601 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:47:23,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 15:47:23,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 15:47:23,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 15:47:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 15:47:23,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2025-02-05 15:47:23,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:47:23,155 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 15:47:23,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2025-02-05 15:47:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 15:47:23,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 15:47:23,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:47:23,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-05 15:47:23,162 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2025-02-05 15:47:23,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 15:47:23,241 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:47:23,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:47:23 BoogieIcfgContainer [2025-02-05 15:47:23,251 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:47:23,251 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:47:23,252 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:47:23,252 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:47:23,252 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:47:18" (3/4) ... [2025-02-05 15:47:23,254 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 15:47:23,259 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2025-02-05 15:47:23,259 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-02-05 15:47:23,259 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isSigned [2025-02-05 15:47:23,259 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-02-05 15:47:23,259 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-02-05 15:47:23,260 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-02-05 15:47:23,260 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-02-05 15:47:23,260 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-02-05 15:47:23,260 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-02-05 15:47:23,260 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-02-05 15:47:23,260 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-02-05 15:47:23,260 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-02-05 15:47:23,260 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-02-05 15:47:23,260 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-02-05 15:47:23,261 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-02-05 15:47:23,261 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-02-05 15:47:23,274 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2025-02-05 15:47:23,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2025-02-05 15:47:23,277 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-02-05 15:47:23,278 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-05 15:47:23,279 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:47:23,280 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:47:23,384 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:47:23,385 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:47:23,385 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:47:23,385 INFO L158 Benchmark]: Toolchain (without parser) took 6700.89ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 104.4MB in the beginning and 252.2MB in the end (delta: -147.9MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2025-02-05 15:47:23,385 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 201.3MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:47:23,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.33ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 66.2MB in the end (delta: 38.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-05 15:47:23,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.18ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 60.9MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:47:23,386 INFO L158 Benchmark]: Boogie Preprocessor took 78.39ms. Allocated memory is still 142.6MB. Free memory was 60.9MB in the beginning and 56.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:47:23,386 INFO L158 Benchmark]: IcfgBuilder took 885.92ms. Allocated memory is still 142.6MB. Free memory was 56.3MB in the beginning and 51.3MB in the end (delta: 5.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2025-02-05 15:47:23,386 INFO L158 Benchmark]: TraceAbstraction took 4952.28ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 51.3MB in the beginning and 271.8MB in the end (delta: -220.5MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2025-02-05 15:47:23,387 INFO L158 Benchmark]: Witness Printer took 133.28ms. Allocated memory is still 360.7MB. Free memory was 271.8MB in the beginning and 252.2MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:47:23,388 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89ms. Allocated memory is still 201.3MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.33ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 66.2MB in the end (delta: 38.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.18ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 60.9MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 78.39ms. Allocated memory is still 142.6MB. Free memory was 60.9MB in the beginning and 56.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 885.92ms. Allocated memory is still 142.6MB. Free memory was 56.3MB in the beginning and 51.3MB in the end (delta: 5.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4952.28ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 51.3MB in the beginning and 271.8MB in the end (delta: -220.5MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. * Witness Printer took 133.28ms. Allocated memory is still 360.7MB. Free memory was 271.8MB in the beginning and 252.2MB in the end (delta: 19.6MB). 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,"EncryptVerify_spec.i","") [48] - GenericResultAtLocation [Line: 79]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [79] - GenericResultAtLocation [Line: 97]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [97] - GenericResultAtLocation [Line: 509]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [509] - GenericResultAtLocation [Line: 547]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [547] - GenericResultAtLocation [Line: 913]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [913] - GenericResultAtLocation [Line: 1138]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1138] - GenericResultAtLocation [Line: 1236]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1236] - GenericResultAtLocation [Line: 1533]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1533] - GenericResultAtLocation [Line: 1815]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1815] - GenericResultAtLocation [Line: 1824]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1824] * 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: 1820]: 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 17 procedures, 300 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 9933 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6854 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3079 mSDtfsCounter, 152 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 488 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=347occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1095 NumberOfCodeBlocks, 1043 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1083 ConstructedInterpolants, 0 QuantifiedInterpolants, 1192 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4706 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 335/353 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-05 15:47:23,400 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