./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.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.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 0cc2344d8bedffb786f66d288e651407abc416f1e22d065ca4595f05e214f2a3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 00:57:38,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 00:57:38,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-08 00:57:38,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 00:57:38,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 00:57:38,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 00:57:38,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 00:57:38,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 00:57:38,370 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 00:57:38,371 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 00:57:38,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 00:57:38,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 00:57:38,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 00:57:38,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 00:57:38,371 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 00:57:38,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 00:57:38,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 00:57:38,371 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 00:57:38,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 00:57:38,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 00:57:38,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 00:57:38,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 00:57:38,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 00:57:38,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 00:57:38,372 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 00:57:38,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 00:57:38,372 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 00:57:38,372 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 00:57:38,372 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 00:57:38,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 00:57:38,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 00:57:38,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 00:57:38,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:57:38,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 00:57:38,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 00:57:38,373 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 00:57:38,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 00:57:38,373 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 00:57:38,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 00:57:38,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 00:57:38,373 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 00:57:38,374 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 00:57:38,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 00:57:38,374 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 -> 0cc2344d8bedffb786f66d288e651407abc416f1e22d065ca4595f05e214f2a3 [2025-02-08 00:57:38,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 00:57:38,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 00:57:38,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 00:57:38,575 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 00:57:38,576 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 00:57:38,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i [2025-02-08 00:57:39,667 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b35bd7115/5aa193d2ab4c48978e42d48889e848e5/FLAGbe11c4b3b [2025-02-08 00:57:40,026 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 00:57:40,026 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i [2025-02-08 00:57:40,041 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b35bd7115/5aa193d2ab4c48978e42d48889e848e5/FLAGbe11c4b3b [2025-02-08 00:57:40,062 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b35bd7115/5aa193d2ab4c48978e42d48889e848e5 [2025-02-08 00:57:40,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 00:57:40,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 00:57:40,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 00:57:40,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 00:57:40,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 00:57:40,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c18b712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40, skipping insertion in model container [2025-02-08 00:57:40,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,101 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 00:57:40,297 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.i[30297,30310] [2025-02-08 00:57:40,302 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.i[30487,30500] [2025-02-08 00:57:40,306 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.i[31293,31306] [2025-02-08 00:57:40,307 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.i[31584,31597] [2025-02-08 00:57:40,311 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.i[31812,31825] [2025-02-08 00:57:40,313 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.i[32286,32299] [2025-02-08 00:57:40,317 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.i[32509,32522] [2025-02-08 00:57:40,318 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.i[32707,32720] [2025-02-08 00:57:40,318 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.i[32902,32915] [2025-02-08 00:57:40,319 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.i[33095,33108] [2025-02-08 00:57:40,320 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.i[33516,33529] [2025-02-08 00:57:40,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:57:40,334 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 00:57:40,372 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.i[30297,30310] [2025-02-08 00:57:40,373 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.i[30487,30500] [2025-02-08 00:57:40,378 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.i[31293,31306] [2025-02-08 00:57:40,381 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.i[31584,31597] [2025-02-08 00:57:40,382 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.i[31812,31825] [2025-02-08 00:57:40,385 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.i[32286,32299] [2025-02-08 00:57:40,385 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.i[32509,32522] [2025-02-08 00:57:40,386 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.i[32707,32720] [2025-02-08 00:57:40,386 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.i[32902,32915] [2025-02-08 00:57:40,386 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.i[33095,33108] [2025-02-08 00:57:40,387 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.i[33516,33529] [2025-02-08 00:57:40,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:57:40,420 INFO L204 MainTranslator]: Completed translation [2025-02-08 00:57:40,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40 WrapperNode [2025-02-08 00:57:40,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 00:57:40,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 00:57:40,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 00:57:40,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 00:57:40,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,464 INFO L138 Inliner]: procedures = 180, calls = 48, calls flagged for inlining = 43, calls inlined = 68, statements flattened = 450 [2025-02-08 00:57:40,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 00:57:40,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 00:57:40,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 00:57:40,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 00:57:40,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,476 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,492 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 00:57:40,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,501 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 00:57:40,516 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 00:57:40,516 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 00:57:40,516 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 00:57:40,516 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40" (1/1) ... [2025-02-08 00:57:40,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:57:40,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 00:57:40,545 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 00:57:40,547 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 00:57:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-02-08 00:57:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-02-08 00:57:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 00:57:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 00:57:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 00:57:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 00:57:40,569 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 00:57:40,670 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 00:57:40,672 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 00:57:41,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763: havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true; [2025-02-08 00:57:41,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-1: havoc assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-2: havoc assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-3: assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~COND~0 % 256 % 4294967296 <= 2147483647 then ~COND~0 % 256 % 4294967296 else ~COND~0 % 256 % 4294967296 - 4294967296); [2025-02-08 00:57:41,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-4: [2025-02-08 00:57:41,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-5: assume { :begin_inline___VERIFIER_atomic_acquire } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == (if ~MTX~0 % 256 % 4294967296 <= 2147483647 then ~MTX~0 % 256 % 4294967296 else ~MTX~0 % 256 % 4294967296 - 4294967296) then 1 else 0); [2025-02-08 00:57:41,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-14: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 00:57:41,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-6: [2025-02-08 00:57:41,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-15: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-7: assume { :begin_inline___VERIFIER_atomic_release } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 1 == (if ~MTX~0 % 256 % 4294967296 <= 2147483647 then ~MTX~0 % 256 % 4294967296 else ~MTX~0 % 256 % 4294967296 - 4294967296) then 1 else 0); [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-16: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-8: ~COND~0 := 0; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-22: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-23: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L764-1: assume 0 == ~COND~0 % 256; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L764-1: assume !(0 == ~COND~0 % 256); [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-28: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-28: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-29: assume false; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-30: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-30: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-31: assume false; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-32: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-32: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-33: assume false; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L732: havoc sysmon_power_daemon_task_#t~ret11#1; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L732-1: assume { :end_inline_sysmon_queue_power_event } true;assume -2147483648 <= sysmon_power_daemon_task_#t~ret11#1 && sysmon_power_daemon_task_#t~ret11#1 <= 2147483647; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-32: assume { :end_inline_assume_abort_if_not } true;~MTX~0 := 0;assume { :end_inline___VERIFIER_atomic_release } true; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L732-2: havoc sysmon_queue_power_event_#t~nondet3#1; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-33: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L732-3: sysmon_power_daemon_task_#t~ret11#1 := sysmon_queue_power_event_#res#1; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-34: havoc assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-44: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-44: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 00:57:41,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-35: havoc assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-45: assume false; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-46: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-46: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-47: assume false; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-44: assume { :end_inline_assume_abort_if_not } true;~MTX~0 := 0;assume { :end_inline___VERIFIER_atomic_release } true; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-45: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-46: havoc assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-47: havoc assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-48: assume { :end_inline_assume_abort_if_not } true;~MTX~0 := 0;assume { :end_inline___VERIFIER_atomic_release } true; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-49: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-50: havoc assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-51: havoc assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: assume 0 != sysmon_power_daemon_task_#t~nondet12#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: assume !(0 != sysmon_power_daemon_task_#t~nondet12#1); [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-1: havoc sysmon_power_daemon_task_#t~nondet12#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-2: havoc sysmon_power_daemon_task_#t~nondet12#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-3: assume -2147483648 <= sysmon_power_daemon_task_#t~nondet12#1 && sysmon_power_daemon_task_#t~nondet12#1 <= 2147483647; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-4: havoc sysmon_power_daemon_task_#t~nondet12#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume { :begin_inline___VERIFIER_atomic_release } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 1 == (if ~MTX~0 % 256 % 4294967296 <= 2147483647 then ~MTX~0 % 256 % 4294967296 else ~MTX~0 % 256 % 4294967296 - 4294967296) then 1 else 0); [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: ~COND~0 := 1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L738: [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L738-1: assume { :begin_inline___VERIFIER_atomic_release } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 1 == (if ~MTX~0 % 256 % 4294967296 <= 2147483647 then ~MTX~0 % 256 % 4294967296 else ~MTX~0 % 256 % 4294967296 - 4294967296) then 1 else 0); [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L805-2: assume { :end_inline_sysmon_power_daemon_task } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L805-3: havoc sysmon_power_daemon_task_#t~nondet5#1, sysmon_power_daemon_task_#t~nondet6#1, sysmon_power_daemon_task_#t~nondet7#1, sysmon_power_daemon_task_#t~switch8#1, sysmon_power_daemon_task_#t~nondet9#1, sysmon_power_daemon_task_#t~nondet10#1, sysmon_power_daemon_task_#t~ret11#1, sysmon_power_daemon_task_#t~nondet12#1, sysmon_power_daemon_task_#t~nondet13#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L805-4: #t~ret24#1 := sysmon_power_daemon_task_#res#1; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740: assume false; [2025-02-08 00:57:41,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740: assume !false; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740-1: assume false; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740-2: assume false; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740-2: assume !false; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741: havoc sysmon_power_daemon_task_#t~nondet13#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-2: havoc sysmon_power_daemon_task_#t~nondet13#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-3: sysmon_power_daemon_task_#res#1 := sysmon_power_daemon_task_#t~nondet13#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-4: assume -2147483648 <= sysmon_power_daemon_task_#t~nondet13#1 && sysmon_power_daemon_task_#t~nondet13#1 <= 2147483647; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-5: havoc sysmon_power_daemon_task_#t~nondet13#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759: assume 0 != sysmonread_power_#t~ret16#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759: assume !(0 != sysmonread_power_#t~ret16#1); [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759-1: havoc sysmonread_power_#t~ret16#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759-2: havoc sysmonread_power_#t~ret16#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759-3: assume { :end_inline_sysmon_get_power_event } true;assume -2147483648 <= sysmonread_power_#t~ret16#1 && sysmonread_power_#t~ret16#1 <= 2147483647; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759-4: havoc sysmon_get_power_event_#t~nondet4#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759-5: sysmonread_power_#t~ret16#1 := sysmon_get_power_event_#res#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-24: assume { :end_inline_assume_abort_if_not } true;~MTX~0 := 1;assume { :end_inline___VERIFIER_atomic_acquire } true; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-25: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-26: havoc assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-27: havoc assume_abort_if_not_~cond#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761: assume 0 != sysmonread_power_#t~nondet17#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761: assume !(0 != sysmonread_power_#t~nondet17#1); [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-1: havoc sysmonread_power_#t~nondet17#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-2: havoc sysmonread_power_#t~nondet17#1; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-3: assume -2147483648 <= sysmonread_power_#t~nondet17#1 && sysmonread_power_#t~nondet17#1 <= 2147483647; [2025-02-08 00:57:41,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-4: havoc sysmonread_power_#t~nondet17#1; [2025-02-08 00:57:41,056 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 00:57:41,056 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 00:57:41,250 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 00:57:41,250 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 00:57:41,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:57:41 BoogieIcfgContainer [2025-02-08 00:57:41,251 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 00:57:41,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 00:57:41,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 00:57:41,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 00:57:41,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 12:57:40" (1/3) ... [2025-02-08 00:57:41,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e234c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:57:41, skipping insertion in model container [2025-02-08 00:57:41,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:57:40" (2/3) ... [2025-02-08 00:57:41,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e234c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:57:41, skipping insertion in model container [2025-02-08 00:57:41,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:57:41" (3/3) ... [2025-02-08 00:57:41,258 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced.i [2025-02-08 00:57:41,271 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 00:57:41,272 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_NetBSD_sysmon_power_sliced.i that has 2 procedures, 125 locations, 1 initial locations, 3 loop locations, and 11 error locations. [2025-02-08 00:57:41,272 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 00:57:41,329 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 00:57:41,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 155 transitions, 314 flow [2025-02-08 00:57:41,392 INFO L124 PetriNetUnfolderBase]: 30/157 cut-off events. [2025-02-08 00:57:41,394 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 00:57:41,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 157 events. 30/157 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 702 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 152. Up to 8 conditions per place. [2025-02-08 00:57:41,396 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 155 transitions, 314 flow [2025-02-08 00:57:41,399 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 155 transitions, 314 flow [2025-02-08 00:57:41,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 00:57:41,414 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;@6ed4ff79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 00:57:41,414 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2025-02-08 00:57:41,419 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 00:57:41,419 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2025-02-08 00:57:41,420 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 00:57:41,420 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 00:57:41,420 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1] [2025-02-08 00:57:41,420 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (and 17 more)] === [2025-02-08 00:57:41,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 00:57:41,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1031080378, now seen corresponding path program 1 times [2025-02-08 00:57:41,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 00:57:41,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208631405] [2025-02-08 00:57:41,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 00:57:41,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 00:57:41,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 00:57:41,497 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 00:57:41,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:41,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:41,498 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 00:57:41,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 00:57:41,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 00:57:41,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:41,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:41,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 00:57:41,523 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 00:57:41,524 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 21 remaining) [2025-02-08 00:57:41,525 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (19 of 21 remaining) [2025-02-08 00:57:41,525 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (18 of 21 remaining) [2025-02-08 00:57:41,525 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (17 of 21 remaining) [2025-02-08 00:57:41,525 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (16 of 21 remaining) [2025-02-08 00:57:41,525 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (15 of 21 remaining) [2025-02-08 00:57:41,525 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (14 of 21 remaining) [2025-02-08 00:57:41,526 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (13 of 21 remaining) [2025-02-08 00:57:41,526 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (12 of 21 remaining) [2025-02-08 00:57:41,526 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (11 of 21 remaining) [2025-02-08 00:57:41,526 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 21 remaining) [2025-02-08 00:57:41,526 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (9 of 21 remaining) [2025-02-08 00:57:41,527 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (8 of 21 remaining) [2025-02-08 00:57:41,527 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (7 of 21 remaining) [2025-02-08 00:57:41,527 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (6 of 21 remaining) [2025-02-08 00:57:41,527 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (5 of 21 remaining) [2025-02-08 00:57:41,527 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (4 of 21 remaining) [2025-02-08 00:57:41,527 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (3 of 21 remaining) [2025-02-08 00:57:41,527 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (2 of 21 remaining) [2025-02-08 00:57:41,527 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 21 remaining) [2025-02-08 00:57:41,527 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 21 remaining) [2025-02-08 00:57:41,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 00:57:41,528 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 00:57:41,531 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 00:57:41,531 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-08 00:57:41,580 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 00:57:41,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 251 places, 306 transitions, 622 flow [2025-02-08 00:57:41,644 INFO L124 PetriNetUnfolderBase]: 60/310 cut-off events. [2025-02-08 00:57:41,645 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 00:57:41,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 310 events. 60/310 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1817 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 302. Up to 8 conditions per place. [2025-02-08 00:57:41,648 INFO L82 GeneralOperation]: Start removeDead. Operand has 251 places, 306 transitions, 622 flow [2025-02-08 00:57:41,652 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 251 places, 306 transitions, 622 flow [2025-02-08 00:57:41,653 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 00:57:41,653 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;@6ed4ff79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 00:57:41,653 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2025-02-08 00:57:41,656 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 00:57:41,656 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2025-02-08 00:57:41,656 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 00:57:41,656 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 00:57:41,656 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1] [2025-02-08 00:57:41,656 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2025-02-08 00:57:41,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 00:57:41,656 INFO L85 PathProgramCache]: Analyzing trace with hash 325294063, now seen corresponding path program 1 times [2025-02-08 00:57:41,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 00:57:41,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735321426] [2025-02-08 00:57:41,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 00:57:41,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 00:57:41,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 00:57:41,667 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 00:57:41,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:41,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:41,667 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 00:57:41,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 00:57:41,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 00:57:41,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:41,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:41,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 00:57:41,676 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (29 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (28 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (27 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (26 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (25 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (24 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (23 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (22 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (21 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (20 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (19 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (18 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (17 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (16 of 31 remaining) [2025-02-08 00:57:41,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (15 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (14 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (13 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (12 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (11 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (9 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (8 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (7 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (6 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (5 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (4 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (3 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (2 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 31 remaining) [2025-02-08 00:57:41,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 31 remaining) [2025-02-08 00:57:41,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 00:57:41,677 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 00:57:41,678 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 00:57:41,678 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-02-08 00:57:41,726 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 00:57:41,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 374 places, 457 transitions, 932 flow [2025-02-08 00:57:41,805 INFO L124 PetriNetUnfolderBase]: 90/463 cut-off events. [2025-02-08 00:57:41,805 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-02-08 00:57:41,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 476 conditions, 463 events. 90/463 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3112 event pairs, 0 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 452. Up to 8 conditions per place. [2025-02-08 00:57:41,811 INFO L82 GeneralOperation]: Start removeDead. Operand has 374 places, 457 transitions, 932 flow [2025-02-08 00:57:41,819 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 374 places, 457 transitions, 932 flow [2025-02-08 00:57:41,819 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 00:57:41,820 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;@6ed4ff79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 00:57:41,820 INFO L334 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2025-02-08 00:57:41,824 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 00:57:41,824 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2025-02-08 00:57:41,824 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-02-08 00:57:41,824 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 00:57:41,824 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1] [2025-02-08 00:57:41,824 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2025-02-08 00:57:41,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 00:57:41,824 INFO L85 PathProgramCache]: Analyzing trace with hash -2080303512, now seen corresponding path program 1 times [2025-02-08 00:57:41,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 00:57:41,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879839218] [2025-02-08 00:57:41,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 00:57:41,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 00:57:41,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 00:57:41,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 00:57:41,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:41,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:41,853 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 00:57:41,857 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 00:57:41,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 00:57:41,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:41,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:41,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 00:57:41,870 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 00:57:41,871 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 41 remaining) [2025-02-08 00:57:41,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (39 of 41 remaining) [2025-02-08 00:57:41,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (38 of 41 remaining) [2025-02-08 00:57:41,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (37 of 41 remaining) [2025-02-08 00:57:41,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (36 of 41 remaining) [2025-02-08 00:57:41,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (35 of 41 remaining) [2025-02-08 00:57:41,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (34 of 41 remaining) [2025-02-08 00:57:41,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (33 of 41 remaining) [2025-02-08 00:57:41,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (32 of 41 remaining) [2025-02-08 00:57:41,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (31 of 41 remaining) [2025-02-08 00:57:41,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (30 of 41 remaining) [2025-02-08 00:57:41,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (29 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (28 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (27 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (26 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (25 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (24 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (23 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (22 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (21 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (20 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (19 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (18 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (17 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (16 of 41 remaining) [2025-02-08 00:57:41,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (15 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (14 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (13 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (12 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (11 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (9 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (8 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (7 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (6 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (5 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (4 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (3 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (2 of 41 remaining) [2025-02-08 00:57:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 41 remaining) [2025-02-08 00:57:41,874 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 41 remaining) [2025-02-08 00:57:41,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 00:57:41,874 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 00:57:41,874 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 00:57:41,874 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2025-02-08 00:57:41,962 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 00:57:41,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 497 places, 608 transitions, 1244 flow [2025-02-08 00:57:42,082 INFO L124 PetriNetUnfolderBase]: 120/616 cut-off events. [2025-02-08 00:57:42,083 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-02-08 00:57:42,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 616 events. 120/616 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4432 event pairs, 0 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 602. Up to 8 conditions per place. [2025-02-08 00:57:42,095 INFO L82 GeneralOperation]: Start removeDead. Operand has 497 places, 608 transitions, 1244 flow [2025-02-08 00:57:42,109 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 497 places, 608 transitions, 1244 flow [2025-02-08 00:57:42,109 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 00:57:42,110 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;@6ed4ff79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 00:57:42,110 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2025-02-08 00:57:42,119 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 00:57:42,119 INFO L124 PetriNetUnfolderBase]: 6/95 cut-off events. [2025-02-08 00:57:42,119 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-02-08 00:57:42,119 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 00:57:42,120 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 1, 1, 1, 1, 1, 1] [2025-02-08 00:57:42,120 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (and 47 more)] === [2025-02-08 00:57:42,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 00:57:42,120 INFO L85 PathProgramCache]: Analyzing trace with hash -383398971, now seen corresponding path program 1 times [2025-02-08 00:57:42,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 00:57:42,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341956060] [2025-02-08 00:57:42,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 00:57:42,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 00:57:42,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 00:57:42,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 00:57:42,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:42,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:42,145 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 00:57:42,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 00:57:42,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 00:57:42,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:42,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 00:57:42,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 00:57:42,156 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 00:57:42,156 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 51 remaining) [2025-02-08 00:57:42,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (49 of 51 remaining) [2025-02-08 00:57:42,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (48 of 51 remaining) [2025-02-08 00:57:42,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (47 of 51 remaining) [2025-02-08 00:57:42,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (46 of 51 remaining) [2025-02-08 00:57:42,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (45 of 51 remaining) [2025-02-08 00:57:42,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (44 of 51 remaining) [2025-02-08 00:57:42,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (43 of 51 remaining) [2025-02-08 00:57:42,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (42 of 51 remaining) [2025-02-08 00:57:42,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (41 of 51 remaining) [2025-02-08 00:57:42,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (40 of 51 remaining) [2025-02-08 00:57:42,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (39 of 51 remaining) [2025-02-08 00:57:42,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (38 of 51 remaining) [2025-02-08 00:57:42,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (37 of 51 remaining) [2025-02-08 00:57:42,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (36 of 51 remaining) [2025-02-08 00:57:42,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (35 of 51 remaining) [2025-02-08 00:57:42,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (34 of 51 remaining) [2025-02-08 00:57:42,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (33 of 51 remaining) [2025-02-08 00:57:42,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (32 of 51 remaining) [2025-02-08 00:57:42,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (31 of 51 remaining) [2025-02-08 00:57:42,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (30 of 51 remaining) [2025-02-08 00:57:42,158 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (29 of 51 remaining) [2025-02-08 00:57:42,158 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (28 of 51 remaining) [2025-02-08 00:57:42,158 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (27 of 51 remaining) [2025-02-08 00:57:42,158 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (26 of 51 remaining) [2025-02-08 00:57:42,158 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (25 of 51 remaining) [2025-02-08 00:57:42,158 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (24 of 51 remaining) [2025-02-08 00:57:42,158 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (23 of 51 remaining) [2025-02-08 00:57:42,158 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (22 of 51 remaining) [2025-02-08 00:57:42,158 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (21 of 51 remaining) [2025-02-08 00:57:42,158 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (20 of 51 remaining) [2025-02-08 00:57:42,158 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (19 of 51 remaining) [2025-02-08 00:57:42,159 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (18 of 51 remaining) [2025-02-08 00:57:42,159 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (17 of 51 remaining) [2025-02-08 00:57:42,159 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (16 of 51 remaining) [2025-02-08 00:57:42,159 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (15 of 51 remaining) [2025-02-08 00:57:42,159 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (14 of 51 remaining) [2025-02-08 00:57:42,159 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (13 of 51 remaining) [2025-02-08 00:57:42,159 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (12 of 51 remaining) [2025-02-08 00:57:42,159 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (11 of 51 remaining) [2025-02-08 00:57:42,159 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 51 remaining) [2025-02-08 00:57:42,159 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (9 of 51 remaining) [2025-02-08 00:57:42,159 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (8 of 51 remaining) [2025-02-08 00:57:42,159 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (7 of 51 remaining) [2025-02-08 00:57:42,159 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (6 of 51 remaining) [2025-02-08 00:57:42,160 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (5 of 51 remaining) [2025-02-08 00:57:42,160 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (4 of 51 remaining) [2025-02-08 00:57:42,160 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (3 of 51 remaining) [2025-02-08 00:57:42,160 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (2 of 51 remaining) [2025-02-08 00:57:42,160 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 51 remaining) [2025-02-08 00:57:42,160 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 51 remaining) [2025-02-08 00:57:42,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 00:57:42,160 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 00:57:42,160 WARN L246 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 00:57:42,160 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2025-02-08 00:57:42,246 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 00:57:42,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 620 places, 759 transitions, 1558 flow [2025-02-08 00:57:42,427 INFO L124 PetriNetUnfolderBase]: 150/769 cut-off events. [2025-02-08 00:57:42,428 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2025-02-08 00:57:42,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 769 events. 150/769 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 5842 event pairs, 0 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 752. Up to 8 conditions per place. [2025-02-08 00:57:42,444 INFO L82 GeneralOperation]: Start removeDead. Operand has 620 places, 759 transitions, 1558 flow [2025-02-08 00:57:42,458 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 620 places, 759 transitions, 1558 flow [2025-02-08 00:57:42,459 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 00:57:42,459 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;@6ed4ff79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 00:57:42,459 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2025-02-08 00:57:42,466 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 00:57:42,466 INFO L124 PetriNetUnfolderBase]: 10/111 cut-off events. [2025-02-08 00:57:42,467 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-02-08 00:57:42,467 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 00:57:42,467 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 00:57:42,467 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err5ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (and 57 more)] === [2025-02-08 00:57:42,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 00:57:42,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1964111347, now seen corresponding path program 1 times [2025-02-08 00:57:42,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 00:57:42,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246301443] [2025-02-08 00:57:42,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 00:57:42,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 00:57:42,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 00:57:42,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 00:57:42,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 00:57:42,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 00:57:42,519 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 00:57:42,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 00:57:42,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246301443] [2025-02-08 00:57:42,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246301443] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 00:57:42,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 00:57:42,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 00:57:42,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193710519] [2025-02-08 00:57:42,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 00:57:42,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 00:57:42,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 00:57:42,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 00:57:42,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 00:57:42,541 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 759 [2025-02-08 00:57:42,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 620 places, 759 transitions, 1558 flow. Second operand has 2 states, 2 states have (on average 326.0) internal successors, (652), 2 states have internal predecessors, (652), 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 00:57:42,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 00:57:42,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 759 [2025-02-08 00:57:42,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand