./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product03.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_product03.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 ceaa95778492e3bc285d343b26b58125dae05b4d97d6b8fbdf100b65fa491c48 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 03:49:38,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 03:49:38,856 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 03:49:38,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 03:49:38,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 03:49:38,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 03:49:38,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 03:49:38,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 03:49:38,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 03:49:38,891 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 03:49:38,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 03:49:38,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 03:49:38,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 03:49:38,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 03:49:38,891 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 03:49:38,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 03:49:38,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 03:49:38,892 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 03:49:38,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 03:49:38,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 03:49:38,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 03:49:38,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 03:49:38,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 03:49:38,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 03:49:38,892 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 03:49:38,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 03:49:38,893 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:49:38,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:49:38,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 03:49:38,893 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 03:49:38,894 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 03:49:38,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 03:49:38,894 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 -> ceaa95778492e3bc285d343b26b58125dae05b4d97d6b8fbdf100b65fa491c48 [2025-01-09 03:49:39,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 03:49:39,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 03:49:39,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 03:49:39,135 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 03:49:39,135 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 03:49:39,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2025-01-09 03:49:40,404 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/69ce01dbe/8270e052b1234602b567fd906037f550/FLAGece4ff729 [2025-01-09 03:49:40,752 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 03:49:40,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2025-01-09 03:49:40,768 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/69ce01dbe/8270e052b1234602b567fd906037f550/FLAGece4ff729 [2025-01-09 03:49:40,986 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/69ce01dbe/8270e052b1234602b567fd906037f550 [2025-01-09 03:49:40,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 03:49:40,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 03:49:40,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 03:49:40,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 03:49:40,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 03:49:40,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:49:40" (1/1) ... [2025-01-09 03:49:40,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55bee783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:40, skipping insertion in model container [2025-01-09 03:49:40,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:49:40" (1/1) ... [2025-01-09 03:49:41,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 03:49:41,248 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_product03.cil.c[19915,19928] [2025-01-09 03:49:41,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:49:41,365 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 03:49:41,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2025-01-09 03:49:41,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [202] [2025-01-09 03:49:41,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [394] [2025-01-09 03:49:41,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [429] [2025-01-09 03:49:41,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [841] [2025-01-09 03:49:41,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [1003] [2025-01-09 03:49:41,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1024] [2025-01-09 03:49:41,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1033] [2025-01-09 03:49:41,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1050] [2025-01-09 03:49:41,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1416] [2025-01-09 03:49:41,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2491] [2025-01-09 03:49:41,400 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_product03.cil.c[19915,19928] [2025-01-09 03:49:41,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:49:41,491 INFO L204 MainTranslator]: Completed translation [2025-01-09 03:49:41,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41 WrapperNode [2025-01-09 03:49:41,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 03:49:41,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 03:49:41,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 03:49:41,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 03:49:41,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (1/1) ... [2025-01-09 03:49:41,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (1/1) ... [2025-01-09 03:49:41,537 INFO L138 Inliner]: procedures = 107, calls = 113, calls flagged for inlining = 35, calls inlined = 27, statements flattened = 523 [2025-01-09 03:49:41,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 03:49:41,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 03:49:41,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 03:49:41,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 03:49:41,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (1/1) ... [2025-01-09 03:49:41,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (1/1) ... [2025-01-09 03:49:41,555 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (1/1) ... [2025-01-09 03:49:41,570 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 0 writes are split as follows [0, 0]. [2025-01-09 03:49:41,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (1/1) ... [2025-01-09 03:49:41,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (1/1) ... [2025-01-09 03:49:41,576 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (1/1) ... [2025-01-09 03:49:41,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (1/1) ... [2025-01-09 03:49:41,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (1/1) ... [2025-01-09 03:49:41,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (1/1) ... [2025-01-09 03:49:41,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (1/1) ... [2025-01-09 03:49:41,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 03:49:41,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 03:49:41,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 03:49:41,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 03:49:41,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (1/1) ... [2025-01-09 03:49:41,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:49:41,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:49:41,619 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 03:49:41,622 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 03:49:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-01-09 03:49:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-01-09 03:49:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-01-09 03:49:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-01-09 03:49:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-01-09 03:49:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-01-09 03:49:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-01-09 03:49:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-01-09 03:49:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-01-09 03:49:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-01-09 03:49:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 03:49:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-01-09 03:49:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-01-09 03:49:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-01-09 03:49:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-01-09 03:49:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-01-09 03:49:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-01-09 03:49:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 03:49:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 03:49:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 03:49:41,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 03:49:41,757 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 03:49:41,758 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 03:49:42,037 INFO L? ?]: Removed 153 outVars from TransFormulas that were not future-live. [2025-01-09 03:49:42,038 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 03:49:42,046 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 03:49:42,046 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 03:49:42,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:49:42 BoogieIcfgContainer [2025-01-09 03:49:42,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 03:49:42,048 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 03:49:42,048 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 03:49:42,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 03:49:42,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:49:40" (1/3) ... [2025-01-09 03:49:42,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32aa495b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:49:42, skipping insertion in model container [2025-01-09 03:49:42,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:41" (2/3) ... [2025-01-09 03:49:42,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32aa495b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:49:42, skipping insertion in model container [2025-01-09 03:49:42,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:49:42" (3/3) ... [2025-01-09 03:49:42,053 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2025-01-09 03:49:42,063 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 03:49:42,066 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product03.cil.c that has 9 procedures, 126 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 03:49:42,113 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 03:49:42,121 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;@c89b86f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 03:49:42,121 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 03:49:42,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 103 states have (on average 1.4757281553398058) internal successors, (152), 105 states have internal predecessors, (152), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-09 03:49:42,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-01-09 03:49:42,130 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:42,130 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:49:42,131 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:42,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:42,135 INFO L85 PathProgramCache]: Analyzing trace with hash -287757986, now seen corresponding path program 1 times [2025-01-09 03:49:42,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:42,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100642184] [2025-01-09 03:49:42,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:42,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:42,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-09 03:49:42,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-09 03:49:42,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:42,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 03:49:42,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:42,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100642184] [2025-01-09 03:49:42,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100642184] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:49:42,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285602594] [2025-01-09 03:49:42,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:42,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:49:42,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:49:42,606 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 03:49:42,610 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 03:49:42,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-09 03:49:42,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-09 03:49:42,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:42,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:42,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 03:49:42,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:49:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-09 03:49:42,870 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:49:42,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285602594] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:42,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:49:42,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-01-09 03:49:42,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386895148] [2025-01-09 03:49:42,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:42,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 03:49:42,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:42,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 03:49:42,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:49:42,894 INFO L87 Difference]: Start difference. First operand has 126 states, 103 states have (on average 1.4757281553398058) internal successors, (152), 105 states have internal predecessors, (152), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:49:42,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:42,913 INFO L93 Difference]: Finished difference Result 203 states and 277 transitions. [2025-01-09 03:49:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 03:49:42,914 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2025-01-09 03:49:42,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:42,919 INFO L225 Difference]: With dead ends: 203 [2025-01-09 03:49:42,920 INFO L226 Difference]: Without dead ends: 119 [2025-01-09 03:49:42,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 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 03:49:42,924 INFO L435 NwaCegarLoop]: 175 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, 175 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 03:49:42,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:42,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-01-09 03:49:42,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2025-01-09 03:49:42,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 97 states have (on average 1.4639175257731958) internal successors, (142), 98 states have internal predecessors, (142), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-09 03:49:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 167 transitions. [2025-01-09 03:49:42,954 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 167 transitions. Word has length 69 [2025-01-09 03:49:42,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:42,955 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 167 transitions. [2025-01-09 03:49:42,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:49:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 167 transitions. [2025-01-09 03:49:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-01-09 03:49:42,957 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:42,957 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:49:42,969 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 03:49:43,162 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 03:49:43,162 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:43,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:43,163 INFO L85 PathProgramCache]: Analyzing trace with hash 650703738, now seen corresponding path program 1 times [2025-01-09 03:49:43,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:43,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529149377] [2025-01-09 03:49:43,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:43,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:43,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-09 03:49:43,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-09 03:49:43,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:43,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 03:49:43,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:43,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529149377] [2025-01-09 03:49:43,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529149377] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:49:43,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022313030] [2025-01-09 03:49:43,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:43,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:49:43,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:49:43,361 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 03:49:43,367 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 03:49:43,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-09 03:49:43,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-09 03:49:43,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:43,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:43,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 03:49:43,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:49:43,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-09 03:49:43,607 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:49:43,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022313030] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:43,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:49:43,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-01-09 03:49:43,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095314080] [2025-01-09 03:49:43,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:43,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:49:43,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:43,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:49:43,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:49:43,610 INFO L87 Difference]: Start difference. First operand 119 states and 167 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:49:43,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:43,634 INFO L93 Difference]: Finished difference Result 192 states and 258 transitions. [2025-01-09 03:49:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:49:43,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2025-01-09 03:49:43,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:43,636 INFO L225 Difference]: With dead ends: 192 [2025-01-09 03:49:43,636 INFO L226 Difference]: Without dead ends: 121 [2025-01-09 03:49:43,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 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 03:49:43,637 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 328 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 03:49:43,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 328 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:43,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-01-09 03:49:43,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2025-01-09 03:49:43,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 98 states have (on average 1.4591836734693877) internal successors, (143), 99 states have internal predecessors, (143), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-09 03:49:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2025-01-09 03:49:43,645 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 69 [2025-01-09 03:49:43,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:43,646 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2025-01-09 03:49:43,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:49:43,646 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2025-01-09 03:49:43,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-01-09 03:49:43,647 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:43,647 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:49:43,658 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 03:49:43,848 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 03:49:43,849 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:43,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:43,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2081710751, now seen corresponding path program 1 times [2025-01-09 03:49:43,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:43,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357914756] [2025-01-09 03:49:43,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:43,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:43,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-09 03:49:43,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-09 03:49:43,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:43,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:44,014 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-09 03:49:44,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:44,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357914756] [2025-01-09 03:49:44,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357914756] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:49:44,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764275950] [2025-01-09 03:49:44,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:44,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:49:44,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:49:44,017 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 03:49:44,019 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 03:49:44,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-09 03:49:44,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-09 03:49:44,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:44,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:44,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 03:49:44,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:49:44,272 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-09 03:49:44,272 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:49:44,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764275950] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:44,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:49:44,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-01-09 03:49:44,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089578567] [2025-01-09 03:49:44,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:44,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:49:44,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:44,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:49:44,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:49:44,274 INFO L87 Difference]: Start difference. First operand 120 states and 168 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 03:49:44,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:44,313 INFO L93 Difference]: Finished difference Result 233 states and 329 transitions. [2025-01-09 03:49:44,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:49:44,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 73 [2025-01-09 03:49:44,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:44,316 INFO L225 Difference]: With dead ends: 233 [2025-01-09 03:49:44,316 INFO L226 Difference]: Without dead ends: 122 [2025-01-09 03:49:44,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 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 03:49:44,317 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 2 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 625 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 03:49:44,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 625 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:44,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-01-09 03:49:44,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2025-01-09 03:49:44,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 99 states have (on average 1.4545454545454546) internal successors, (144), 101 states have internal predecessors, (144), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2025-01-09 03:49:44,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 171 transitions. [2025-01-09 03:49:44,325 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 171 transitions. Word has length 73 [2025-01-09 03:49:44,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:44,325 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 171 transitions. [2025-01-09 03:49:44,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 03:49:44,326 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 171 transitions. [2025-01-09 03:49:44,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-09 03:49:44,327 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:44,327 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:49:44,338 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 03:49:44,532 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 03:49:44,535 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:44,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:44,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1082907906, now seen corresponding path program 1 times [2025-01-09 03:49:44,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:44,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530967289] [2025-01-09 03:49:44,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:44,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:44,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 03:49:44,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 03:49:44,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:44,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-09 03:49:44,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:44,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530967289] [2025-01-09 03:49:44,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530967289] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:44,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:44,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:49:44,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433845025] [2025-01-09 03:49:44,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:44,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:49:44,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:44,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:49:44,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:49:44,710 INFO L87 Difference]: Start difference. First operand 122 states and 171 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 03:49:44,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:44,748 INFO L93 Difference]: Finished difference Result 225 states and 317 transitions. [2025-01-09 03:49:44,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:49:44,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 74 [2025-01-09 03:49:44,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:44,752 INFO L225 Difference]: With dead ends: 225 [2025-01-09 03:49:44,752 INFO L226 Difference]: Without dead ends: 122 [2025-01-09 03:49:44,752 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 03:49:44,753 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 2 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 629 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 03:49:44,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 629 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:44,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-01-09 03:49:44,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2025-01-09 03:49:44,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 99 states have (on average 1.4545454545454546) internal successors, (144), 101 states have internal predecessors, (144), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-01-09 03:49:44,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 170 transitions. [2025-01-09 03:49:44,771 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 170 transitions. Word has length 74 [2025-01-09 03:49:44,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:44,771 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 170 transitions. [2025-01-09 03:49:44,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 03:49:44,771 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 170 transitions. [2025-01-09 03:49:44,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-09 03:49:44,772 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:44,773 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:49:44,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 03:49:44,773 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:44,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:44,773 INFO L85 PathProgramCache]: Analyzing trace with hash -20068083, now seen corresponding path program 2 times [2025-01-09 03:49:44,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:44,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319511347] [2025-01-09 03:49:44,773 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 03:49:44,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:44,794 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-01-09 03:49:44,812 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 42 of 75 statements. [2025-01-09 03:49:44,813 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 03:49:44,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-09 03:49:44,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:44,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319511347] [2025-01-09 03:49:44,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319511347] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:44,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:44,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 03:49:44,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956362583] [2025-01-09 03:49:44,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:44,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 03:49:44,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:44,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 03:49:44,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:49:44,892 INFO L87 Difference]: Start difference. First operand 122 states and 170 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-09 03:49:44,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:44,917 INFO L93 Difference]: Finished difference Result 122 states and 170 transitions. [2025-01-09 03:49:44,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 03:49:44,921 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 75 [2025-01-09 03:49:44,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:44,921 INFO L225 Difference]: With dead ends: 122 [2025-01-09 03:49:44,921 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 03:49:44,922 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 03:49:44,922 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 957 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 03:49:44,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 957 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:44,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 03:49:44,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 03:49:44,923 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 03:49:44,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 03:49:44,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2025-01-09 03:49:44,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:44,923 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 03:49:44,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-09 03:49:44,923 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 03:49:44,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 03:49:44,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 03:49:44,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 03:49:44,930 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2025-01-09 03:49:44,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 03:49:44,964 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 03:49:44,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 03:49:44 BoogieIcfgContainer [2025-01-09 03:49:44,976 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 03:49:44,976 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 03:49:44,976 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 03:49:44,976 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 03:49:44,977 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:49:42" (3/4) ... [2025-01-09 03:49:44,979 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 03:49:44,983 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-01-09 03:49:44,983 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-01-09 03:49:44,983 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-01-09 03:49:44,983 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-01-09 03:49:44,983 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-01-09 03:49:44,983 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-01-09 03:49:44,983 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-01-09 03:49:44,984 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-01-09 03:49:44,996 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2025-01-09 03:49:44,997 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2025-01-09 03:49:44,998 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-01-09 03:49:44,998 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 03:49:44,999 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 03:49:44,999 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 03:49:45,102 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 03:49:45,102 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 03:49:45,102 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 03:49:45,105 INFO L158 Benchmark]: Toolchain (without parser) took 4113.48ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 110.8MB in the beginning and 96.7MB in the end (delta: 14.1MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2025-01-09 03:49:45,105 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 03:49:45,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.96ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 76.6MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 03:49:45,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.28ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 72.7MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 03:49:45,105 INFO L158 Benchmark]: Boogie Preprocessor took 46.26ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 69.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 03:49:45,105 INFO L158 Benchmark]: RCFGBuilder took 461.42ms. Allocated memory is still 142.6MB. Free memory was 69.7MB in the beginning and 103.3MB in the end (delta: -33.6MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2025-01-09 03:49:45,106 INFO L158 Benchmark]: TraceAbstraction took 2927.89ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 102.6MB in the beginning and 107.4MB in the end (delta: -4.9MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2025-01-09 03:49:45,107 INFO L158 Benchmark]: Witness Printer took 125.83ms. Allocated memory is still 176.2MB. Free memory was 107.4MB in the beginning and 96.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 03:49:45,107 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.96ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 76.6MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.28ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 72.7MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.26ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 69.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 461.42ms. Allocated memory is still 142.6MB. Free memory was 69.7MB in the beginning and 103.3MB in the end (delta: -33.6MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2927.89ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 102.6MB in the beginning and 107.4MB in the end (delta: -4.9MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Witness Printer took 125.83ms. Allocated memory is still 176.2MB. Free memory was 107.4MB in the beginning and 96.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] - GenericResultAtLocation [Line: 202]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [202] - GenericResultAtLocation [Line: 394]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [394] - GenericResultAtLocation [Line: 429]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [429] - GenericResultAtLocation [Line: 841]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [841] - GenericResultAtLocation [Line: 1003]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [1003] - GenericResultAtLocation [Line: 1024]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1024] - GenericResultAtLocation [Line: 1033]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1033] - GenericResultAtLocation [Line: 1050]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1050] - GenericResultAtLocation [Line: 1416]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1416] - GenericResultAtLocation [Line: 2491]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2491] * 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: 1029]: 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 9 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 2714 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1894 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 820 mSDtfsCounter, 102 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=0, InterpolantAutomatonStates: 22, 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, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 571 NumberOfCodeBlocks, 538 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 563 ConstructedInterpolants, 0 QuantifiedInterpolants, 619 SizeOfPredicates, 1 NumberOfNonLiveVariables, 2272 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 124/133 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 03:49:45,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE