./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product37.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 70e213904f46d9e57b153e0058e447b0a5def856d61642628bc56ad0035cdccb --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 03:50:19,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 03:50:19,196 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 03:50:19,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 03:50:19,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 03:50:19,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 03:50:19,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 03:50:19,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 03:50:19,219 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 03:50:19,219 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 03:50:19,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 03:50:19,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 03:50:19,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 03:50:19,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 03:50:19,220 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 03:50:19,220 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:50:19,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:50:19,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 03:50:19,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 03:50:19,222 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 -> 70e213904f46d9e57b153e0058e447b0a5def856d61642628bc56ad0035cdccb [2025-01-09 03:50:19,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 03:50:19,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 03:50:19,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 03:50:19,472 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 03:50:19,473 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 03:50:19,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product37.cil.c [2025-01-09 03:50:20,730 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4caf4ddd6/063214fa4e5d4e67a7fb5823d1fc2dc1/FLAG4cb1f0f33 [2025-01-09 03:50:21,138 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 03:50:21,139 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product37.cil.c [2025-01-09 03:50:21,160 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4caf4ddd6/063214fa4e5d4e67a7fb5823d1fc2dc1/FLAG4cb1f0f33 [2025-01-09 03:50:21,300 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4caf4ddd6/063214fa4e5d4e67a7fb5823d1fc2dc1 [2025-01-09 03:50:21,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 03:50:21,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 03:50:21,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 03:50:21,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 03:50:21,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 03:50:21,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427f11aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21, skipping insertion in model container [2025-01-09 03:50:21,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 03:50:21,631 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product37.cil.c[43755,43768] [2025-01-09 03:50:21,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:50:21,719 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 03:50:21,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2025-01-09 03:50:21,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [66] [2025-01-09 03:50:21,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [295] [2025-01-09 03:50:21,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [661] [2025-01-09 03:50:21,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1741] [2025-01-09 03:50:21,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [1790] [2025-01-09 03:50:21,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1812] [2025-01-09 03:50:21,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1821] [2025-01-09 03:50:21,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2233] [2025-01-09 03:50:21,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2524] [2025-01-09 03:50:21,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2753] [2025-01-09 03:50:21,784 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product37.cil.c[43755,43768] [2025-01-09 03:50:21,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:50:21,822 INFO L204 MainTranslator]: Completed translation [2025-01-09 03:50:21,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21 WrapperNode [2025-01-09 03:50:21,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 03:50:21,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 03:50:21,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 03:50:21,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 03:50:21,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,891 INFO L138 Inliner]: procedures = 124, calls = 170, calls flagged for inlining = 51, calls inlined = 46, statements flattened = 834 [2025-01-09 03:50:21,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 03:50:21,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 03:50:21,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 03:50:21,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 03:50:21,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,926 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]. [2025-01-09 03:50:21,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,940 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 03:50:21,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 03:50:21,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 03:50:21,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 03:50:21,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (1/1) ... [2025-01-09 03:50:21,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:50:21,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:50:22,009 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) [2025-01-09 03:50:22,020 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 [2025-01-09 03:50:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-01-09 03:50:22,044 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-01-09 03:50:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-01-09 03:50:22,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-01-09 03:50:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-01-09 03:50:22,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-01-09 03:50:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-01-09 03:50:22,044 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-01-09 03:50:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-01-09 03:50:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-01-09 03:50:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2025-01-09 03:50:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-01-09 03:50:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-01-09 03:50:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-01-09 03:50:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-01-09 03:50:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-01-09 03:50:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-01-09 03:50:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-01-09 03:50:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 03:50:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 03:50:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-01-09 03:50:22,047 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-01-09 03:50:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 03:50:22,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 03:50:22,226 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 03:50:22,228 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 03:50:22,796 INFO L? ?]: Removed 329 outVars from TransFormulas that were not future-live. [2025-01-09 03:50:22,796 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 03:50:22,818 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 03:50:22,819 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 03:50:22,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:50:22 BoogieIcfgContainer [2025-01-09 03:50:22,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 03:50:22,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 03:50:22,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 03:50:22,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 03:50:22,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:50:21" (1/3) ... [2025-01-09 03:50:22,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e25d5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:50:22, skipping insertion in model container [2025-01-09 03:50:22,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:21" (2/3) ... [2025-01-09 03:50:22,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e25d5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:50:22, skipping insertion in model container [2025-01-09 03:50:22,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:50:22" (3/3) ... [2025-01-09 03:50:22,829 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product37.cil.c [2025-01-09 03:50:22,846 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 03:50:22,856 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product37.cil.c that has 16 procedures, 257 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 03:50:22,925 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 03:50:22,938 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;@68ef8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 03:50:22,939 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 03:50:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 200 states have (on average 1.52) internal successors, (304), 202 states have internal predecessors, (304), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-01-09 03:50:22,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-01-09 03:50:22,961 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:50:22,961 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] [2025-01-09 03:50:22,962 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:50:22,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:50:22,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1204640785, now seen corresponding path program 1 times [2025-01-09 03:50:22,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:50:22,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675084708] [2025-01-09 03:50:22,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:22,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:50:23,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-09 03:50:23,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-09 03:50:23,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:23,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:23,528 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-09 03:50:23,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:50:23,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675084708] [2025-01-09 03:50:23,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675084708] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:50:23,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907974594] [2025-01-09 03:50:23,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:23,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:50:23,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:50:23,536 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) [2025-01-09 03:50:23,539 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 [2025-01-09 03:50:23,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-09 03:50:23,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-09 03:50:23,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:23,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:23,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 03:50:23,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:50:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-09 03:50:23,901 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:50:23,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907974594] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:50:23,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:50:23,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-01-09 03:50:23,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090692759] [2025-01-09 03:50:23,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:50:23,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 03:50:23,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:50:23,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 03:50:23,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:50:23,927 INFO L87 Difference]: Start difference. First operand has 257 states, 200 states have (on average 1.52) internal successors, (304), 202 states have internal predecessors, (304), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:50:23,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:50:23,954 INFO L93 Difference]: Finished difference Result 356 states and 516 transitions. [2025-01-09 03:50:23,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 03:50:23,958 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 87 [2025-01-09 03:50:23,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:50:23,966 INFO L225 Difference]: With dead ends: 356 [2025-01-09 03:50:23,966 INFO L226 Difference]: Without dead ends: 250 [2025-01-09 03:50:23,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:50:23,972 INFO L435 NwaCegarLoop]: 381 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, 381 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 [2025-01-09 03:50:23,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:50:23,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2025-01-09 03:50:24,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2025-01-09 03:50:24,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 194 states have (on average 1.5154639175257731) internal successors, (294), 195 states have internal predecessors, (294), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-09 03:50:24,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 373 transitions. [2025-01-09 03:50:24,030 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 373 transitions. Word has length 87 [2025-01-09 03:50:24,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:50:24,031 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 373 transitions. [2025-01-09 03:50:24,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:50:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 373 transitions. [2025-01-09 03:50:24,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-01-09 03:50:24,035 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:50:24,035 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] [2025-01-09 03:50:24,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 03:50:24,238 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 [2025-01-09 03:50:24,239 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:50:24,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:50:24,240 INFO L85 PathProgramCache]: Analyzing trace with hash -984721955, now seen corresponding path program 1 times [2025-01-09 03:50:24,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:50:24,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967056694] [2025-01-09 03:50:24,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:24,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:50:24,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-09 03:50:24,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-09 03:50:24,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:24,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-09 03:50:24,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:50:24,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967056694] [2025-01-09 03:50:24,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967056694] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:50:24,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945818323] [2025-01-09 03:50:24,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:24,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:50:24,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:50:24,520 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) [2025-01-09 03:50:24,522 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 [2025-01-09 03:50:24,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-09 03:50:24,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-09 03:50:24,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:24,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:24,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 03:50:24,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:50:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-09 03:50:24,813 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:50:24,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945818323] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:50:24,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:50:24,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-01-09 03:50:24,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9472609] [2025-01-09 03:50:24,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:50:24,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:50:24,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:50:24,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:50:24,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:50:24,815 INFO L87 Difference]: Start difference. First operand 250 states and 373 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) [2025-01-09 03:50:24,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:50:24,854 INFO L93 Difference]: Finished difference Result 345 states and 497 transitions. [2025-01-09 03:50:24,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:50:24,855 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 [2025-01-09 03:50:24,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:50:24,858 INFO L225 Difference]: With dead ends: 345 [2025-01-09 03:50:24,861 INFO L226 Difference]: Without dead ends: 252 [2025-01-09 03:50:24,862 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 [2025-01-09 03:50:24,863 INFO L435 NwaCegarLoop]: 371 mSDtfsCounter, 1 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:50:24,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 740 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:50:24,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2025-01-09 03:50:24,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 251. [2025-01-09 03:50:24,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 195 states have (on average 1.5128205128205128) internal successors, (295), 196 states have internal predecessors, (295), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-09 03:50:24,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 374 transitions. [2025-01-09 03:50:24,886 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 374 transitions. Word has length 87 [2025-01-09 03:50:24,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:50:24,888 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 374 transitions. [2025-01-09 03:50:24,888 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) [2025-01-09 03:50:24,888 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 374 transitions. [2025-01-09 03:50:24,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-01-09 03:50:24,892 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:50:24,892 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:50:24,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 03:50:25,093 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 [2025-01-09 03:50:25,094 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:50:25,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:50:25,095 INFO L85 PathProgramCache]: Analyzing trace with hash 396345770, now seen corresponding path program 1 times [2025-01-09 03:50:25,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:50:25,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080442741] [2025-01-09 03:50:25,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:25,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:50:25,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-01-09 03:50:25,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-01-09 03:50:25,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:25,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-09 03:50:25,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:50:25,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080442741] [2025-01-09 03:50:25,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080442741] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:50:25,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882714509] [2025-01-09 03:50:25,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:25,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:50:25,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:50:25,329 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) [2025-01-09 03:50:25,331 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 [2025-01-09 03:50:25,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-01-09 03:50:25,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-01-09 03:50:25,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:25,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:25,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:50:25,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:50:25,568 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-09 03:50:25,570 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:50:25,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882714509] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:50:25,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:50:25,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-01-09 03:50:25,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086601187] [2025-01-09 03:50:25,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:50:25,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:50:25,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:50:25,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:50:25,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:50:25,573 INFO L87 Difference]: Start difference. First operand 251 states and 374 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:50:25,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:50:25,599 INFO L93 Difference]: Finished difference Result 537 states and 815 transitions. [2025-01-09 03:50:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:50:25,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 95 [2025-01-09 03:50:25,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:50:25,604 INFO L225 Difference]: With dead ends: 537 [2025-01-09 03:50:25,605 INFO L226 Difference]: Without dead ends: 312 [2025-01-09 03:50:25,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:50:25,607 INFO L435 NwaCegarLoop]: 383 mSDtfsCounter, 115 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 710 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 [2025-01-09 03:50:25,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 710 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:50:25,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-01-09 03:50:25,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 304. [2025-01-09 03:50:25,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 237 states have (on average 1.5358649789029535) internal successors, (364), 238 states have internal predecessors, (364), 51 states have call successors, (51), 15 states have call predecessors, (51), 15 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2025-01-09 03:50:25,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 465 transitions. [2025-01-09 03:50:25,637 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 465 transitions. Word has length 95 [2025-01-09 03:50:25,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:50:25,637 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 465 transitions. [2025-01-09 03:50:25,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:50:25,638 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 465 transitions. [2025-01-09 03:50:25,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-01-09 03:50:25,639 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:50:25,639 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:50:25,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 03:50:25,840 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 [2025-01-09 03:50:25,840 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:50:25,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:50:25,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1238255193, now seen corresponding path program 1 times [2025-01-09 03:50:25,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:50:25,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682062530] [2025-01-09 03:50:25,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:25,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:50:25,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-09 03:50:25,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-09 03:50:25,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:25,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:26,016 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-09 03:50:26,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:50:26,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682062530] [2025-01-09 03:50:26,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682062530] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:50:26,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424787237] [2025-01-09 03:50:26,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:26,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:50:26,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:50:26,020 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) [2025-01-09 03:50:26,027 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 [2025-01-09 03:50:26,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-09 03:50:26,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-09 03:50:26,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:26,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:26,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 03:50:26,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:50:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 03:50:26,327 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:50:26,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424787237] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:50:26,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:50:26,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-01-09 03:50:26,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858803028] [2025-01-09 03:50:26,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:50:26,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:50:26,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:50:26,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:50:26,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:50:26,329 INFO L87 Difference]: Start difference. First operand 304 states and 465 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 03:50:26,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:50:26,377 INFO L93 Difference]: Finished difference Result 599 states and 920 transitions. [2025-01-09 03:50:26,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:50:26,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 96 [2025-01-09 03:50:26,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:50:26,380 INFO L225 Difference]: With dead ends: 599 [2025-01-09 03:50:26,380 INFO L226 Difference]: Without dead ends: 306 [2025-01-09 03:50:26,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:50:26,382 INFO L435 NwaCegarLoop]: 365 mSDtfsCounter, 2 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1449 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 [2025-01-09 03:50:26,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1449 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:50:26,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2025-01-09 03:50:26,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2025-01-09 03:50:26,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 238 states have (on average 1.5336134453781514) internal successors, (365), 240 states have internal predecessors, (365), 51 states have call successors, (51), 15 states have call predecessors, (51), 16 states have return successors, (52), 50 states have call predecessors, (52), 50 states have call successors, (52) [2025-01-09 03:50:26,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 468 transitions. [2025-01-09 03:50:26,406 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 468 transitions. Word has length 96 [2025-01-09 03:50:26,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:50:26,406 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 468 transitions. [2025-01-09 03:50:26,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 03:50:26,406 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 468 transitions. [2025-01-09 03:50:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-09 03:50:26,407 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:50:26,408 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:50:26,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-09 03:50:26,608 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 [2025-01-09 03:50:26,609 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:50:26,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:50:26,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1010910688, now seen corresponding path program 1 times [2025-01-09 03:50:26,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:50:26,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391925127] [2025-01-09 03:50:26,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:26,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:50:26,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-09 03:50:26,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-09 03:50:26,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:26,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:26,761 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-01-09 03:50:26,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:50:26,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391925127] [2025-01-09 03:50:26,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391925127] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:50:26,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166004495] [2025-01-09 03:50:26,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:26,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:50:26,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:50:26,764 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) [2025-01-09 03:50:26,770 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 [2025-01-09 03:50:26,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-09 03:50:26,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-09 03:50:26,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:26,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:26,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 03:50:26,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:50:27,028 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 03:50:27,028 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:50:27,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166004495] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:50:27,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:50:27,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-01-09 03:50:27,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926636077] [2025-01-09 03:50:27,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:50:27,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:50:27,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:50:27,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:50:27,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:50:27,030 INFO L87 Difference]: Start difference. First operand 306 states and 468 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 03:50:27,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:50:27,077 INFO L93 Difference]: Finished difference Result 601 states and 925 transitions. [2025-01-09 03:50:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:50:27,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 97 [2025-01-09 03:50:27,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:50:27,080 INFO L225 Difference]: With dead ends: 601 [2025-01-09 03:50:27,080 INFO L226 Difference]: Without dead ends: 308 [2025-01-09 03:50:27,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:50:27,081 INFO L435 NwaCegarLoop]: 363 mSDtfsCounter, 2 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1435 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 [2025-01-09 03:50:27,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1435 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:50:27,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2025-01-09 03:50:27,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2025-01-09 03:50:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 239 states have (on average 1.5313807531380754) internal successors, (366), 242 states have internal predecessors, (366), 51 states have call successors, (51), 15 states have call predecessors, (51), 17 states have return successors, (57), 50 states have call predecessors, (57), 50 states have call successors, (57) [2025-01-09 03:50:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 474 transitions. [2025-01-09 03:50:27,097 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 474 transitions. Word has length 97 [2025-01-09 03:50:27,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:50:27,097 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 474 transitions. [2025-01-09 03:50:27,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 03:50:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 474 transitions. [2025-01-09 03:50:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-09 03:50:27,099 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:50:27,099 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:50:27,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-09 03:50:27,299 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 [2025-01-09 03:50:27,300 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:50:27,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:50:27,301 INFO L85 PathProgramCache]: Analyzing trace with hash -430756017, now seen corresponding path program 1 times [2025-01-09 03:50:27,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:50:27,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330687497] [2025-01-09 03:50:27,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:27,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:50:27,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-09 03:50:27,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-09 03:50:27,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:27,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:27,415 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-09 03:50:27,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:50:27,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330687497] [2025-01-09 03:50:27,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330687497] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:50:27,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:50:27,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:50:27,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097352719] [2025-01-09 03:50:27,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:50:27,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:50:27,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:50:27,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:50:27,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:50:27,417 INFO L87 Difference]: Start difference. First operand 308 states and 474 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 03:50:27,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:50:27,449 INFO L93 Difference]: Finished difference Result 593 states and 916 transitions. [2025-01-09 03:50:27,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:50:27,450 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 98 [2025-01-09 03:50:27,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:50:27,452 INFO L225 Difference]: With dead ends: 593 [2025-01-09 03:50:27,452 INFO L226 Difference]: Without dead ends: 308 [2025-01-09 03:50:27,453 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 [2025-01-09 03:50:27,453 INFO L435 NwaCegarLoop]: 366 mSDtfsCounter, 2 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1453 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 [2025-01-09 03:50:27,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1453 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:50:27,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2025-01-09 03:50:27,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2025-01-09 03:50:27,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 239 states have (on average 1.5313807531380754) internal successors, (366), 242 states have internal predecessors, (366), 51 states have call successors, (51), 15 states have call predecessors, (51), 17 states have return successors, (56), 50 states have call predecessors, (56), 50 states have call successors, (56) [2025-01-09 03:50:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 473 transitions. [2025-01-09 03:50:27,468 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 473 transitions. Word has length 98 [2025-01-09 03:50:27,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:50:27,468 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 473 transitions. [2025-01-09 03:50:27,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 03:50:27,468 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 473 transitions. [2025-01-09 03:50:27,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-01-09 03:50:27,470 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:50:27,470 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:50:27,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 03:50:27,470 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:50:27,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:50:27,471 INFO L85 PathProgramCache]: Analyzing trace with hash -539096150, now seen corresponding path program 2 times [2025-01-09 03:50:27,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:50:27,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996208178] [2025-01-09 03:50:27,471 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 03:50:27,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:50:27,487 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-01-09 03:50:27,492 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 48 of 99 statements. [2025-01-09 03:50:27,492 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 03:50:27,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:27,559 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:50:27,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:50:27,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996208178] [2025-01-09 03:50:27,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996208178] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:50:27,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:50:27,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 03:50:27,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778257363] [2025-01-09 03:50:27,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:50:27,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 03:50:27,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:50:27,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 03:50:27,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:50:27,561 INFO L87 Difference]: Start difference. First operand 308 states and 473 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2025-01-09 03:50:27,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:50:27,590 INFO L93 Difference]: Finished difference Result 308 states and 473 transitions. [2025-01-09 03:50:27,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 03:50:27,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2025-01-09 03:50:27,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:50:27,591 INFO L225 Difference]: With dead ends: 308 [2025-01-09 03:50:27,591 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 03:50:27,592 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 [2025-01-09 03:50:27,592 INFO L435 NwaCegarLoop]: 367 mSDtfsCounter, 0 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2193 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 [2025-01-09 03:50:27,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2193 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:50:27,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 03:50:27,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 03:50:27,593 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) [2025-01-09 03:50:27,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 03:50:27,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2025-01-09 03:50:27,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:50:27,593 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 03:50:27,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2025-01-09 03:50:27,594 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 03:50:27,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 03:50:27,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 03:50:27,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 03:50:27,601 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2025-01-09 03:50:27,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 03:50:27,656 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 03:50:27,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 03:50:27 BoogieIcfgContainer [2025-01-09 03:50:27,663 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 03:50:27,664 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 03:50:27,664 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 03:50:27,664 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 03:50:27,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:50:22" (3/4) ... [2025-01-09 03:50:27,666 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 03:50:27,670 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-01-09 03:50:27,670 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-01-09 03:50:27,670 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-01-09 03:50:27,670 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-01-09 03:50:27,670 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-01-09 03:50:27,670 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-01-09 03:50:27,670 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-01-09 03:50:27,670 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-01-09 03:50:27,671 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-01-09 03:50:27,671 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-01-09 03:50:27,671 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-01-09 03:50:27,671 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-01-09 03:50:27,671 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure queue [2025-01-09 03:50:27,671 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-01-09 03:50:27,671 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-01-09 03:50:27,681 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2025-01-09 03:50:27,682 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2025-01-09 03:50:27,683 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-01-09 03:50:27,684 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 03:50:27,684 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 03:50:27,685 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 03:50:27,804 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 03:50:27,805 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 03:50:27,805 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 03:50:27,806 INFO L158 Benchmark]: Toolchain (without parser) took 6502.20ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 109.9MB in the beginning and 61.1MB in the end (delta: 48.8MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2025-01-09 03:50:27,806 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 03:50:27,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.72ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 72.3MB in the end (delta: 37.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-01-09 03:50:27,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.70ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 67.5MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 03:50:27,806 INFO L158 Benchmark]: Boogie Preprocessor took 77.81ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 62.7MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 03:50:27,806 INFO L158 Benchmark]: RCFGBuilder took 849.26ms. Allocated memory is still 142.6MB. Free memory was 62.3MB in the beginning and 71.5MB in the end (delta: -9.3MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2025-01-09 03:50:27,807 INFO L158 Benchmark]: TraceAbstraction took 4842.46ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 70.8MB in the beginning and 76.1MB in the end (delta: -5.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2025-01-09 03:50:27,807 INFO L158 Benchmark]: Witness Printer took 141.17ms. Allocated memory is still 192.9MB. Free memory was 76.1MB in the beginning and 61.1MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 03:50:27,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.72ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 72.3MB in the end (delta: 37.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.70ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 67.5MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.81ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 62.7MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 849.26ms. Allocated memory is still 142.6MB. Free memory was 62.3MB in the beginning and 71.5MB in the end (delta: -9.3MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4842.46ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 70.8MB in the beginning and 76.1MB in the end (delta: -5.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 141.17ms. Allocated memory is still 192.9MB. Free memory was 76.1MB in the beginning and 61.1MB in the end (delta: 15.1MB). 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,"Util.i","") [48] - GenericResultAtLocation [Line: 66]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [66] - GenericResultAtLocation [Line: 295]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [295] - GenericResultAtLocation [Line: 661]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [661] - GenericResultAtLocation [Line: 1741]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1741] - GenericResultAtLocation [Line: 1790]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [1790] - GenericResultAtLocation [Line: 1812]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1812] - GenericResultAtLocation [Line: 1821]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1821] - GenericResultAtLocation [Line: 2233]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2233] - GenericResultAtLocation [Line: 2524]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2524] - GenericResultAtLocation [Line: 2753]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2753] * 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: 1817]: 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 16 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 8361 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5765 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2596 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 498 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=308occurred 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, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1121 NumberOfCodeBlocks, 1070 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1109 ConstructedInterpolants, 0 QuantifiedInterpolants, 1216 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4498 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 327/345 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! [2025-01-09 03:50:27,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE