./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread/queue_ok_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread/queue_ok_longest.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 09:42:37,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 09:42:37,300 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-03-04 09:42:37,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 09:42:37,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 09:42:37,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 09:42:37,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 09:42:37,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 09:42:37,329 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 09:42:37,329 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 09:42:37,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 09:42:37,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 09:42:37,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 09:42:37,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 09:42:37,331 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 09:42:37,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 09:42:37,331 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 09:42:37,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 09:42:37,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 09:42:37,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 09:42:37,332 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 09:42:37,332 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 09:42:37,332 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-04 09:42:37,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 09:42:37,332 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 09:42:37,332 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 09:42:37,332 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 09:42:37,332 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 09:42:37,333 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 09:42:37,333 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 09:42:37,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 09:42:37,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 09:42:37,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 09:42:37,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 09:42:37,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 09:42:37,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 09:42:37,333 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 09:42:37,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 09:42:37,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 09:42:37,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 09:42:37,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 09:42:37,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 09:42:37,334 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/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d [2025-03-04 09:42:37,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 09:42:37,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 09:42:37,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 09:42:37,580 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 09:42:37,581 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 09:42:37,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_ok_longest.i [2025-03-04 09:42:38,686 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207dbe38a/1356521f2ea04777815b088b0e162df2/FLAGfba133249 [2025-03-04 09:42:38,940 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 09:42:38,942 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok_longest.i [2025-03-04 09:42:38,953 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207dbe38a/1356521f2ea04777815b088b0e162df2/FLAGfba133249 [2025-03-04 09:42:38,966 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207dbe38a/1356521f2ea04777815b088b0e162df2 [2025-03-04 09:42:38,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 09:42:38,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 09:42:38,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 09:42:38,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 09:42:38,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 09:42:38,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 09:42:38" (1/1) ... [2025-03-04 09:42:38,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442f0f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:38, skipping insertion in model container [2025-03-04 09:42:38,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 09:42:38" (1/1) ... [2025-03-04 09:42:39,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 09:42:39,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 09:42:39,283 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 09:42:39,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 09:42:39,419 INFO L204 MainTranslator]: Completed translation [2025-03-04 09:42:39,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39 WrapperNode [2025-03-04 09:42:39,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 09:42:39,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 09:42:39,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 09:42:39,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 09:42:39,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39" (1/1) ... [2025-03-04 09:42:39,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39" (1/1) ... [2025-03-04 09:42:39,544 INFO L138 Inliner]: procedures = 274, calls = 1654, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 1795 [2025-03-04 09:42:39,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 09:42:39,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 09:42:39,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 09:42:39,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 09:42:39,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39" (1/1) ... [2025-03-04 09:42:39,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39" (1/1) ... [2025-03-04 09:42:39,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39" (1/1) ... [2025-03-04 09:42:39,595 INFO L175 MemorySlicer]: Split 1635 memory accesses to 4 slices as follows [2, 826, 5, 802]. 51 percent of accesses are in the largest equivalence class. The 1610 initializations are split as follows [2, 803, 5, 800]. The 11 writes are split as follows [0, 10, 0, 1]. [2025-03-04 09:42:39,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39" (1/1) ... [2025-03-04 09:42:39,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39" (1/1) ... [2025-03-04 09:42:39,650 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39" (1/1) ... [2025-03-04 09:42:39,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39" (1/1) ... [2025-03-04 09:42:39,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39" (1/1) ... [2025-03-04 09:42:39,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39" (1/1) ... [2025-03-04 09:42:39,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 09:42:39,673 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 09:42:39,673 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 09:42:39,673 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 09:42:39,674 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39" (1/1) ... [2025-03-04 09:42:39,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 09:42:39,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 09:42:39,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 09:42:39,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 09:42:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-03-04 09:42:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-03-04 09:42:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-03-04 09:42:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-03-04 09:42:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-04 09:42:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 09:42:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 09:42:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 09:42:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 09:42:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 09:42:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 09:42:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 09:42:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 09:42:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-04 09:42:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 09:42:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 09:42:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 09:42:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 09:42:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 09:42:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 09:42:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 09:42:39,720 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 09:42:39,840 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 09:42:39,842 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 09:42:41,340 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 09:42:41,341 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 09:43:02,758 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 09:43:02,758 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 09:43:02,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 09:43:02 BoogieIcfgContainer [2025-03-04 09:43:02,758 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 09:43:02,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 09:43:02,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 09:43:02,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 09:43:02,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 09:42:38" (1/3) ... [2025-03-04 09:43:02,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36340f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 09:43:02, skipping insertion in model container [2025-03-04 09:43:02,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:42:39" (2/3) ... [2025-03-04 09:43:02,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36340f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 09:43:02, skipping insertion in model container [2025-03-04 09:43:02,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 09:43:02" (3/3) ... [2025-03-04 09:43:02,767 INFO L128 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2025-03-04 09:43:02,778 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 09:43:02,780 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG queue_ok_longest.i that has 3 procedures, 119 locations, 1 initial locations, 2 loop locations, and 53 error locations. [2025-03-04 09:43:02,780 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 09:43:02,867 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.