./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i -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 8389c73a3873efed3be614e3a02a2457c4db9f1b1dfabf64c87229b49920fe65 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 00:57:35,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 00:57:36,037 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-08 00:57:36,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 00:57:36,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 00:57:36,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 00:57:36,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 00:57:36,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 00:57:36,067 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 00:57:36,067 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 00:57:36,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 00:57:36,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 00:57:36,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 00:57:36,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 00:57:36,068 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 00:57:36,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 00:57:36,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 00:57:36,068 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 00:57:36,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 00:57:36,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 00:57:36,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 00:57:36,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 00:57:36,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 00:57:36,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 00:57:36,071 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 00:57:36,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 00:57:36,072 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 00:57:36,072 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 00:57:36,072 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 00:57:36,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 00:57:36,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 00:57:36,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 00:57:36,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:57:36,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 00:57:36,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 00:57:36,073 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 00:57:36,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 00:57:36,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 00:57:36,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 00:57:36,074 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 00:57:36,074 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 00:57:36,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 00:57:36,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 00:57:36,074 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 -> 8389c73a3873efed3be614e3a02a2457c4db9f1b1dfabf64c87229b49920fe65 [2025-02-08 00:57:36,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 00:57:36,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 00:57:36,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 00:57:36,345 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 00:57:36,345 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 00:57:36,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2025-02-08 00:57:37,642 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ca2441c6/4da794a85c7a4c928513763659726329/FLAG2ece67516 [2025-02-08 00:57:37,937 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 00:57:37,937 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2025-02-08 00:57:37,950 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ca2441c6/4da794a85c7a4c928513763659726329/FLAG2ece67516 [2025-02-08 00:57:37,963 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ca2441c6/4da794a85c7a4c928513763659726329 [2025-02-08 00:57:37,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 00:57:37,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 00:57:37,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 00:57:37,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 00:57:37,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 00:57:37,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:57:37" (1/1) ... [2025-02-08 00:57:37,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547dfb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:37, skipping insertion in model container [2025-02-08 00:57:37,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:57:37" (1/1) ... [2025-02-08 00:57:38,012 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 00:57:38,256 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] [2025-02-08 00:57:38,263 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] [2025-02-08 00:57:38,272 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] [2025-02-08 00:57:38,275 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2025-02-08 00:57:38,277 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] [2025-02-08 00:57:38,285 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] [2025-02-08 00:57:38,287 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2025-02-08 00:57:38,289 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2025-02-08 00:57:38,291 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2025-02-08 00:57:38,293 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] [2025-02-08 00:57:38,296 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] [2025-02-08 00:57:38,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:57:38,325 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 00:57:38,357 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] [2025-02-08 00:57:38,358 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] [2025-02-08 00:57:38,360 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] [2025-02-08 00:57:38,361 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2025-02-08 00:57:38,362 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] [2025-02-08 00:57:38,363 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] [2025-02-08 00:57:38,364 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2025-02-08 00:57:38,364 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2025-02-08 00:57:38,365 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2025-02-08 00:57:38,365 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] [2025-02-08 00:57:38,366 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] [2025-02-08 00:57:38,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:57:38,412 INFO L204 MainTranslator]: Completed translation [2025-02-08 00:57:38,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38 WrapperNode [2025-02-08 00:57:38,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 00:57:38,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 00:57:38,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 00:57:38,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 00:57:38,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38" (1/1) ... [2025-02-08 00:57:38,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38" (1/1) ... [2025-02-08 00:57:38,474 INFO L138 Inliner]: procedures = 173, calls = 51, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 446 [2025-02-08 00:57:38,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 00:57:38,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 00:57:38,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 00:57:38,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 00:57:38,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38" (1/1) ... [2025-02-08 00:57:38,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38" (1/1) ... [2025-02-08 00:57:38,486 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38" (1/1) ... [2025-02-08 00:57:38,497 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2025-02-08 00:57:38,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38" (1/1) ... [2025-02-08 00:57:38,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38" (1/1) ... [2025-02-08 00:57:38,506 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38" (1/1) ... [2025-02-08 00:57:38,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38" (1/1) ... [2025-02-08 00:57:38,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38" (1/1) ... [2025-02-08 00:57:38,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38" (1/1) ... [2025-02-08 00:57:38,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 00:57:38,513 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 00:57:38,514 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 00:57:38,514 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 00:57:38,514 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38" (1/1) ... [2025-02-08 00:57:38,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:57:38,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 00:57:38,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 00:57:38,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 00:57:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-02-08 00:57:38,569 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-02-08 00:57:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 00:57:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 00:57:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 00:57:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 00:57:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 00:57:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 00:57:38,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 00:57:38,571 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 00:57:38,724 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 00:57:38,725 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 00:57:39,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746: [2025-02-08 00:57:39,117 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-1: SUMMARY for call sysmonread_power_#t~ret27#1 := #PthreadsMutexLock(~#MTX~0.base, ~#MTX~0.offset); srcloc: null [2025-02-08 00:57:39,118 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-2: [2025-02-08 00:57:39,118 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-3: [2025-02-08 00:57:39,118 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-4: SUMMARY for call sysmonread_power_#t~ret26#1 := #PthreadsMutexUnlock(~#MTX~0.base, ~#MTX~0.offset); srcloc: null [2025-02-08 00:57:39,118 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-5: [2025-02-08 00:57:39,118 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L747-1: assume 0 == ~COND~0 % 256; [2025-02-08 00:57:39,118 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L747-1: assume !(0 == ~COND~0 % 256); [2025-02-08 00:57:39,119 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L716: havoc sysmon_power_daemon_task_#t~ret13#1; [2025-02-08 00:57:39,119 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L716-1: assume { :end_inline_sysmon_queue_power_event } true;assume -2147483648 <= sysmon_power_daemon_task_#t~ret13#1 && sysmon_power_daemon_task_#t~ret13#1 <= 2147483647; [2025-02-08 00:57:39,119 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L716-2: havoc sysmon_queue_power_event_#t~nondet1#1; [2025-02-08 00:57:39,119 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L716-3: sysmon_power_daemon_task_#t~ret13#1 := sysmon_queue_power_event_#res#1; [2025-02-08 00:57:39,119 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L717: assume 0 != sysmon_power_daemon_task_#t~nondet14#1; [2025-02-08 00:57:39,119 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L717: assume !(0 != sysmon_power_daemon_task_#t~nondet14#1); [2025-02-08 00:57:39,119 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L717-1: havoc sysmon_power_daemon_task_#t~nondet14#1; [2025-02-08 00:57:39,120 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L717-2: havoc sysmon_power_daemon_task_#t~nondet14#1; [2025-02-08 00:57:39,120 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L717-3: assume -2147483648 <= sysmon_power_daemon_task_#t~nondet14#1 && sysmon_power_daemon_task_#t~nondet14#1 <= 2147483647; [2025-02-08 00:57:39,120 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L717-4: havoc sysmon_power_daemon_task_#t~nondet14#1; [2025-02-08 00:57:39,120 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L718: havoc sysmon_power_daemon_task_#t~ret15#1; [2025-02-08 00:57:39,120 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-1: havoc sysmon_power_daemon_task_#t~ret15#1; [2025-02-08 00:57:39,120 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-2: [2025-02-08 00:57:39,120 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-3: SUMMARY for call sysmon_power_daemon_task_#t~ret15#1 := #PthreadsMutexUnlock(~#MTX~0.base, ~#MTX~0.offset); srcloc: null [2025-02-08 00:57:39,120 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-4: [2025-02-08 00:57:39,120 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L721: ~COND~0 := 1; [2025-02-08 00:57:39,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L789-2: assume { :end_inline_sysmon_power_daemon_task } true;assume -2147483648 <= #t~ret48#1 && #t~ret48#1 <= 2147483647; [2025-02-08 00:57:39,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L723: havoc sysmon_power_daemon_task_#t~ret16#1; [2025-02-08 00:57:39,122 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L789-3: havoc sysmon_power_daemon_task_#t~nondet3#1, sysmon_power_daemon_task_#t~nondet4#1, sysmon_power_daemon_task_#t~ret5#1, sysmon_power_daemon_task_#t~nondet6#1, sysmon_power_daemon_task_#t~switch7#1, sysmon_power_daemon_task_#t~nondet8#1, sysmon_power_daemon_task_#t~ret9#1, sysmon_power_daemon_task_#t~nondet10#1, sysmon_power_daemon_task_#t~ret11#1, sysmon_power_daemon_task_#t~ret12#1, sysmon_power_daemon_task_#t~ret13#1, sysmon_power_daemon_task_#t~nondet14#1, sysmon_power_daemon_task_#t~ret15#1, sysmon_power_daemon_task_#t~ret16#1, sysmon_power_daemon_task_#t~nondet17#1; [2025-02-08 00:57:39,122 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-1: havoc sysmon_power_daemon_task_#t~ret16#1; [2025-02-08 00:57:39,122 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L789-4: #t~ret48#1 := sysmon_power_daemon_task_#res#1; [2025-02-08 00:57:39,122 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-2: [2025-02-08 00:57:39,122 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-3: SUMMARY for call sysmon_power_daemon_task_#t~ret16#1 := #PthreadsMutexUnlock(~#MTX~0.base, ~#MTX~0.offset); srcloc: null [2025-02-08 00:57:39,122 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-4: [2025-02-08 00:57:39,122 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741: assume 0 != sysmonread_power_#t~ret24#1; [2025-02-08 00:57:39,122 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741: assume !(0 != sysmonread_power_#t~ret24#1); [2025-02-08 00:57:39,122 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-1: havoc sysmonread_power_#t~ret24#1; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-2: havoc sysmonread_power_#t~ret24#1; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-3: assume { :end_inline_sysmon_get_power_event } true;assume -2147483648 <= sysmonread_power_#t~ret24#1 && sysmonread_power_#t~ret24#1 <= 2147483647; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-4: havoc sysmon_get_power_event_#t~nondet2#1; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-5: sysmonread_power_#t~ret24#1 := sysmon_get_power_event_#res#1; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L725: assume false; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L725: assume !false; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-1: assume false; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-2: assume false; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-2: assume !false; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc sysmon_power_daemon_task_#t~nondet17#1; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L726-2: havoc sysmon_power_daemon_task_#t~nondet17#1; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L726-3: sysmon_power_daemon_task_#res#1 := sysmon_power_daemon_task_#t~nondet17#1; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L726-4: assume -2147483648 <= sysmon_power_daemon_task_#t~nondet17#1 && sysmon_power_daemon_task_#t~nondet17#1 <= 2147483647; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L726-5: havoc sysmon_power_daemon_task_#t~nondet17#1; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743: assume 0 != sysmonread_power_#t~nondet25#1; [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743: assume !(0 != sysmonread_power_#t~nondet25#1); [2025-02-08 00:57:39,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-1: havoc sysmonread_power_#t~nondet25#1; [2025-02-08 00:57:39,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-2: havoc sysmonread_power_#t~nondet25#1; [2025-02-08 00:57:39,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-3: assume -2147483648 <= sysmonread_power_#t~nondet25#1 && sysmonread_power_#t~nondet25#1 <= 2147483647; [2025-02-08 00:57:39,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-4: havoc sysmonread_power_#t~nondet25#1; [2025-02-08 00:57:39,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L745: assume 0 == ~COND~0 % 256; [2025-02-08 00:57:39,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L745: assume !(0 == ~COND~0 % 256); [2025-02-08 00:57:39,255 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 00:57:39,256 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 00:57:39,798 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 00:57:39,799 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 00:57:39,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:57:39 BoogieIcfgContainer [2025-02-08 00:57:39,799 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 00:57:39,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 00:57:39,802 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 00:57:39,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 00:57:39,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 12:57:37" (1/3) ... [2025-02-08 00:57:39,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332313b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:57:39, skipping insertion in model container [2025-02-08 00:57:39,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:38" (2/3) ... [2025-02-08 00:57:39,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332313b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:57:39, skipping insertion in model container [2025-02-08 00:57:39,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:57:39" (3/3) ... [2025-02-08 00:57:39,811 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced-pthread.i [2025-02-08 00:57:39,824 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 00:57:39,826 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_NetBSD_sysmon_power_sliced-pthread.i that has 2 procedures, 116 locations, 1 initial locations, 4 loop locations, and 11 error locations. [2025-02-08 00:57:39,826 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 00:57:39,908 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 00:57:39,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 140 transitions, 284 flow [2025-02-08 00:57:39,996 INFO L124 PetriNetUnfolderBase]: 24/142 cut-off events. [2025-02-08 00:57:39,998 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 00:57:40,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 142 events. 24/142 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 596 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 137. Up to 8 conditions per place. [2025-02-08 00:57:40,002 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 140 transitions, 284 flow [2025-02-08 00:57:40,008 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 140 transitions, 284 flow [2025-02-08 00:57:40,017 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 00:57:40,035 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;@691a4b7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 00:57:40,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2025-02-08 00:57:40,072 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 00:57:40,072 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2025-02-08 00:57:40,072 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 00:57:40,072 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 00:57:40,073 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1] [2025-02-08 00:57:40,074 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (and 17 more)] === [2025-02-08 00:57:40,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 00:57:40,079 INFO L85 PathProgramCache]: Analyzing trace with hash 941595046, now seen corresponding path program 1 times [2025-02-08 00:57:40,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 00:57:40,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424539581] [2025-02-08 00:57:40,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 00:57:40,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 00:57:40,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 00:57:40,390 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 00:57:40,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:40,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:40,391 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 00:57:40,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 00:57:40,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 00:57:40,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:40,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:40,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 00:57:40,474 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 00:57:40,475 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 21 remaining) [2025-02-08 00:57:40,477 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (19 of 21 remaining) [2025-02-08 00:57:40,477 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (18 of 21 remaining) [2025-02-08 00:57:40,477 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (17 of 21 remaining) [2025-02-08 00:57:40,477 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (16 of 21 remaining) [2025-02-08 00:57:40,477 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (15 of 21 remaining) [2025-02-08 00:57:40,478 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (14 of 21 remaining) [2025-02-08 00:57:40,480 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (13 of 21 remaining) [2025-02-08 00:57:40,481 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (12 of 21 remaining) [2025-02-08 00:57:40,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (11 of 21 remaining) [2025-02-08 00:57:40,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 21 remaining) [2025-02-08 00:57:40,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (9 of 21 remaining) [2025-02-08 00:57:40,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (8 of 21 remaining) [2025-02-08 00:57:40,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (7 of 21 remaining) [2025-02-08 00:57:40,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (6 of 21 remaining) [2025-02-08 00:57:40,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (5 of 21 remaining) [2025-02-08 00:57:40,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (4 of 21 remaining) [2025-02-08 00:57:40,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 21 remaining) [2025-02-08 00:57:40,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (2 of 21 remaining) [2025-02-08 00:57:40,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (1 of 21 remaining) [2025-02-08 00:57:40,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 21 remaining) [2025-02-08 00:57:40,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 00:57:40,483 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 00:57:40,488 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 00:57:40,488 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-08 00:57:40,587 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 00:57:40,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 233 places, 276 transitions, 562 flow [2025-02-08 00:57:40,692 INFO L124 PetriNetUnfolderBase]: 48/280 cut-off events. [2025-02-08 00:57:40,692 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 00:57:40,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 280 events. 48/280 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1614 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 272. Up to 8 conditions per place. [2025-02-08 00:57:40,700 INFO L82 GeneralOperation]: Start removeDead. Operand has 233 places, 276 transitions, 562 flow [2025-02-08 00:57:40,707 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 233 places, 276 transitions, 562 flow [2025-02-08 00:57:40,710 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 00:57:40,713 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;@691a4b7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 00:57:40,713 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2025-02-08 00:57:40,721 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 00:57:40,721 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2025-02-08 00:57:40,721 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 00:57:40,722 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 00:57:40,722 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1] [2025-02-08 00:57:40,722 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2025-02-08 00:57:40,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 00:57:40,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1527446348, now seen corresponding path program 1 times [2025-02-08 00:57:40,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 00:57:40,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532053097] [2025-02-08 00:57:40,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 00:57:40,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 00:57:40,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 00:57:40,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 00:57:40,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:40,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:40,901 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 00:57:40,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 00:57:40,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 00:57:40,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:40,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:40,945 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 00:57:40,946 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 00:57:40,946 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2025-02-08 00:57:40,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (29 of 31 remaining) [2025-02-08 00:57:40,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (28 of 31 remaining) [2025-02-08 00:57:40,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (27 of 31 remaining) [2025-02-08 00:57:40,947 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (26 of 31 remaining) [2025-02-08 00:57:40,947 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (25 of 31 remaining) [2025-02-08 00:57:40,947 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (24 of 31 remaining) [2025-02-08 00:57:40,947 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (23 of 31 remaining) [2025-02-08 00:57:40,947 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (22 of 31 remaining) [2025-02-08 00:57:40,947 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (21 of 31 remaining) [2025-02-08 00:57:40,947 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (20 of 31 remaining) [2025-02-08 00:57:40,948 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (19 of 31 remaining) [2025-02-08 00:57:40,948 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (18 of 31 remaining) [2025-02-08 00:57:40,948 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (17 of 31 remaining) [2025-02-08 00:57:40,948 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (16 of 31 remaining) [2025-02-08 00:57:40,948 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (15 of 31 remaining) [2025-02-08 00:57:40,948 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (14 of 31 remaining) [2025-02-08 00:57:40,948 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (13 of 31 remaining) [2025-02-08 00:57:40,948 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (12 of 31 remaining) [2025-02-08 00:57:40,948 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (11 of 31 remaining) [2025-02-08 00:57:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 31 remaining) [2025-02-08 00:57:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (9 of 31 remaining) [2025-02-08 00:57:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (8 of 31 remaining) [2025-02-08 00:57:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (7 of 31 remaining) [2025-02-08 00:57:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (6 of 31 remaining) [2025-02-08 00:57:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (5 of 31 remaining) [2025-02-08 00:57:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (4 of 31 remaining) [2025-02-08 00:57:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 31 remaining) [2025-02-08 00:57:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (2 of 31 remaining) [2025-02-08 00:57:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (1 of 31 remaining) [2025-02-08 00:57:40,950 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 31 remaining) [2025-02-08 00:57:40,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 00:57:40,950 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 00:57:40,950 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 00:57:40,951 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-02-08 00:57:41,043 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 00:57:41,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 347 places, 412 transitions, 842 flow [2025-02-08 00:57:41,131 INFO L124 PetriNetUnfolderBase]: 72/418 cut-off events. [2025-02-08 00:57:41,132 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-02-08 00:57:41,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 431 conditions, 418 events. 72/418 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2735 event pairs, 0 based on Foata normal form. 0/291 useless extension candidates. Maximal degree in co-relation 407. Up to 8 conditions per place. [2025-02-08 00:57:41,144 INFO L82 GeneralOperation]: Start removeDead. Operand has 347 places, 412 transitions, 842 flow [2025-02-08 00:57:41,152 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 347 places, 412 transitions, 842 flow [2025-02-08 00:57:41,153 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 00:57:41,154 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;@691a4b7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 00:57:41,154 INFO L334 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2025-02-08 00:57:41,162 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 00:57:41,162 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2025-02-08 00:57:41,162 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-02-08 00:57:41,162 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 00:57:41,162 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1] [2025-02-08 00:57:41,163 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2025-02-08 00:57:41,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 00:57:41,163 INFO L85 PathProgramCache]: Analyzing trace with hash -299166631, now seen corresponding path program 1 times [2025-02-08 00:57:41,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 00:57:41,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645877494] [2025-02-08 00:57:41,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 00:57:41,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 00:57:41,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 00:57:41,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 00:57:41,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:41,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:41,334 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 00:57:41,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 00:57:41,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 00:57:41,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:41,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:41,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 00:57:41,390 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 00:57:41,390 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 41 remaining) [2025-02-08 00:57:41,390 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (39 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (38 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (37 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (36 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (35 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (34 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (33 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (32 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (31 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (30 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (29 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (28 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (27 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (26 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (25 of 41 remaining) [2025-02-08 00:57:41,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (24 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (23 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (22 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (21 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (20 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (19 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (18 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (17 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (16 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (15 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (14 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (13 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (12 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (11 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (9 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (8 of 41 remaining) [2025-02-08 00:57:41,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (7 of 41 remaining) [2025-02-08 00:57:41,393 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (6 of 41 remaining) [2025-02-08 00:57:41,393 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (5 of 41 remaining) [2025-02-08 00:57:41,393 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (4 of 41 remaining) [2025-02-08 00:57:41,393 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 41 remaining) [2025-02-08 00:57:41,393 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (2 of 41 remaining) [2025-02-08 00:57:41,393 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (1 of 41 remaining) [2025-02-08 00:57:41,393 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 41 remaining) [2025-02-08 00:57:41,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 00:57:41,393 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 00:57:41,398 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 00:57:41,398 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2025-02-08 00:57:41,518 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 00:57:41,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 461 places, 548 transitions, 1124 flow [2025-02-08 00:57:41,649 INFO L124 PetriNetUnfolderBase]: 96/556 cut-off events. [2025-02-08 00:57:41,649 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-02-08 00:57:41,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 575 conditions, 556 events. 96/556 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3969 event pairs, 0 based on Foata normal form. 0/387 useless extension candidates. Maximal degree in co-relation 542. Up to 8 conditions per place. [2025-02-08 00:57:41,672 INFO L82 GeneralOperation]: Start removeDead. Operand has 461 places, 548 transitions, 1124 flow [2025-02-08 00:57:41,722 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 461 places, 548 transitions, 1124 flow [2025-02-08 00:57:41,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 00:57:41,724 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;@691a4b7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 00:57:41,726 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2025-02-08 00:57:41,739 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 00:57:41,739 INFO L124 PetriNetUnfolderBase]: 2/82 cut-off events. [2025-02-08 00:57:41,739 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-02-08 00:57:41,739 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 00:57:41,739 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 1, 1, 1, 1, 1, 1] [2025-02-08 00:57:41,740 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (and 47 more)] === [2025-02-08 00:57:41,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 00:57:41,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1760487403, now seen corresponding path program 1 times [2025-02-08 00:57:41,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 00:57:41,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615394200] [2025-02-08 00:57:41,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 00:57:41,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 00:57:41,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 00:57:41,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 00:57:41,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:41,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:41,866 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 00:57:41,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 00:57:41,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 00:57:41,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:41,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:41,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 00:57:41,920 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 00:57:41,920 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 51 remaining) [2025-02-08 00:57:41,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (49 of 51 remaining) [2025-02-08 00:57:41,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (48 of 51 remaining) [2025-02-08 00:57:41,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (47 of 51 remaining) [2025-02-08 00:57:41,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (46 of 51 remaining) [2025-02-08 00:57:41,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (45 of 51 remaining) [2025-02-08 00:57:41,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (44 of 51 remaining) [2025-02-08 00:57:41,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (43 of 51 remaining) [2025-02-08 00:57:41,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (42 of 51 remaining) [2025-02-08 00:57:41,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (41 of 51 remaining) [2025-02-08 00:57:41,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (40 of 51 remaining) [2025-02-08 00:57:41,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (39 of 51 remaining) [2025-02-08 00:57:41,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (38 of 51 remaining) [2025-02-08 00:57:41,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (37 of 51 remaining) [2025-02-08 00:57:41,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (36 of 51 remaining) [2025-02-08 00:57:41,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (35 of 51 remaining) [2025-02-08 00:57:41,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (34 of 51 remaining) [2025-02-08 00:57:41,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (33 of 51 remaining) [2025-02-08 00:57:41,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (32 of 51 remaining) [2025-02-08 00:57:41,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (31 of 51 remaining) [2025-02-08 00:57:41,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (30 of 51 remaining) [2025-02-08 00:57:41,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (29 of 51 remaining) [2025-02-08 00:57:41,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (28 of 51 remaining) [2025-02-08 00:57:41,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (27 of 51 remaining) [2025-02-08 00:57:41,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (26 of 51 remaining) [2025-02-08 00:57:41,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (25 of 51 remaining) [2025-02-08 00:57:41,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (24 of 51 remaining) [2025-02-08 00:57:41,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (23 of 51 remaining) [2025-02-08 00:57:41,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (22 of 51 remaining) [2025-02-08 00:57:41,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (21 of 51 remaining) [2025-02-08 00:57:41,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (20 of 51 remaining) [2025-02-08 00:57:41,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (19 of 51 remaining) [2025-02-08 00:57:41,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (18 of 51 remaining) [2025-02-08 00:57:41,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (17 of 51 remaining) [2025-02-08 00:57:41,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (16 of 51 remaining) [2025-02-08 00:57:41,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (15 of 51 remaining) [2025-02-08 00:57:41,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (14 of 51 remaining) [2025-02-08 00:57:41,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (13 of 51 remaining) [2025-02-08 00:57:41,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (12 of 51 remaining) [2025-02-08 00:57:41,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (11 of 51 remaining) [2025-02-08 00:57:41,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 51 remaining) [2025-02-08 00:57:41,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (9 of 51 remaining) [2025-02-08 00:57:41,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (8 of 51 remaining) [2025-02-08 00:57:41,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (7 of 51 remaining) [2025-02-08 00:57:41,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (6 of 51 remaining) [2025-02-08 00:57:41,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (5 of 51 remaining) [2025-02-08 00:57:41,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (4 of 51 remaining) [2025-02-08 00:57:41,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 51 remaining) [2025-02-08 00:57:41,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (2 of 51 remaining) [2025-02-08 00:57:41,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (1 of 51 remaining) [2025-02-08 00:57:41,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 51 remaining) [2025-02-08 00:57:41,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 00:57:41,926 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 00:57:41,927 WARN L246 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 00:57:41,927 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2025-02-08 00:57:42,028 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 00:57:42,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 575 places, 684 transitions, 1408 flow [2025-02-08 00:57:42,214 INFO L124 PetriNetUnfolderBase]: 120/694 cut-off events. [2025-02-08 00:57:42,215 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2025-02-08 00:57:42,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 720 conditions, 694 events. 120/694 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 5240 event pairs, 0 based on Foata normal form. 0/483 useless extension candidates. Maximal degree in co-relation 677. Up to 8 conditions per place. [2025-02-08 00:57:42,243 INFO L82 GeneralOperation]: Start removeDead. Operand has 575 places, 684 transitions, 1408 flow [2025-02-08 00:57:42,261 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 575 places, 684 transitions, 1408 flow [2025-02-08 00:57:42,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 00:57:42,263 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;@691a4b7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 00:57:42,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2025-02-08 00:57:42,275 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 00:57:42,275 INFO L124 PetriNetUnfolderBase]: 5/98 cut-off events. [2025-02-08 00:57:42,275 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-02-08 00:57:42,275 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 00:57:42,276 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 00:57:42,276 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err5ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (and 57 more)] === [2025-02-08 00:57:42,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 00:57:42,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1537795601, now seen corresponding path program 1 times [2025-02-08 00:57:42,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 00:57:42,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890890127] [2025-02-08 00:57:42,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 00:57:42,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 00:57:42,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 00:57:42,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 00:57:42,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:42,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 00:57:42,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 00:57:42,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 00:57:42,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890890127] [2025-02-08 00:57:42,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890890127] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 00:57:42,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 00:57:42,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 00:57:42,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389741766] [2025-02-08 00:57:42,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 00:57:42,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 00:57:42,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 00:57:42,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 00:57:42,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 00:57:42,511 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 684 [2025-02-08 00:57:42,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 684 transitions, 1408 flow. Second operand has 2 states, 2 states have (on average 161.0) internal successors, (322), 2 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 00:57:42,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 00:57:42,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 684 [2025-02-08 00:57:42,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand