./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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-?-551b009-m [2025-01-09 16:24:29,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:24:29,096 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 16:24:29,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:24:29,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:24:29,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:24:29,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:24:29,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:24:29,116 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:24:29,117 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:24:29,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:24:29,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:24:29,117 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:24:29,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:24:29,117 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:24:29,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:24:29,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:24:29,117 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 16:24:29,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 16:24:29,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 16:24:29,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:24:29,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:24:29,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:24:29,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:24:29,118 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:24:29,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:24:29,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:24:29,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:24:29,119 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 16:24:29,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 16:24:29,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:24:29,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:24:29,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:24:29,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:24:29,119 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 [2025-01-09 16:24:29,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:24:29,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:24:29,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:24:29,369 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:24:29,369 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:24:29,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i [2025-01-09 16:24:30,522 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c08ea33c8/33bba35463f44d58a751cb59683a684c/FLAG3c19a22ea [2025-01-09 16:24:30,806 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:24:30,807 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i [2025-01-09 16:24:30,822 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c08ea33c8/33bba35463f44d58a751cb59683a684c/FLAG3c19a22ea [2025-01-09 16:24:31,078 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c08ea33c8/33bba35463f44d58a751cb59683a684c [2025-01-09 16:24:31,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:24:31,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:24:31,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:24:31,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:24:31,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:24:31,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f15f21e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31, skipping insertion in model container [2025-01-09 16:24:31,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:24:31,345 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] [2025-01-09 16:24:31,349 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] [2025-01-09 16:24:31,355 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] [2025-01-09 16:24:31,357 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[31584,31597] [2025-01-09 16:24:31,361 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[31812,31825] [2025-01-09 16:24:31,364 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[32286,32299] [2025-01-09 16:24:31,365 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[32509,32522] [2025-01-09 16:24:31,366 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[32707,32720] [2025-01-09 16:24:31,367 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] [2025-01-09 16:24:31,368 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] [2025-01-09 16:24:31,369 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] [2025-01-09 16:24:31,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:24:31,379 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:24:31,413 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] [2025-01-09 16:24:31,413 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] [2025-01-09 16:24:31,420 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] [2025-01-09 16:24:31,420 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] [2025-01-09 16:24:31,421 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] [2025-01-09 16:24:31,422 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] [2025-01-09 16:24:31,425 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] [2025-01-09 16:24:31,426 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] [2025-01-09 16:24:31,426 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] [2025-01-09 16:24:31,427 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] [2025-01-09 16:24:31,429 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] [2025-01-09 16:24:31,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:24:31,454 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:24:31,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31 WrapperNode [2025-01-09 16:24:31,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:24:31,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:24:31,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:24:31,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:24:31,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,491 INFO L138 Inliner]: procedures = 180, calls = 48, calls flagged for inlining = 43, calls inlined = 68, statements flattened = 450 [2025-01-09 16:24:31,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:24:31,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:24:31,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:24:31,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:24:31,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,500 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,514 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]. [2025-01-09 16:24:31,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,523 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:24:31,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:24:31,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:24:31,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:24:31,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (1/1) ... [2025-01-09 16:24:31,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:24:31,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:24:31,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 16:24:31,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 16:24:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-01-09 16:24:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-01-09 16:24:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:24:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 16:24:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:24:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:24:31,597 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 16:24:31,699 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:24:31,701 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:24:32,099 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 16:24:32,100 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:24:32,271 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:24:32,271 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-09 16:24:32,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:24:32 BoogieIcfgContainer [2025-01-09 16:24:32,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:24:32,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:24:32,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:24:32,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:24:32,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:24:31" (1/3) ... [2025-01-09 16:24:32,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185c7e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:24:32, skipping insertion in model container [2025-01-09 16:24:32,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:24:31" (2/3) ... [2025-01-09 16:24:32,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185c7e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:24:32, skipping insertion in model container [2025-01-09 16:24:32,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:24:32" (3/3) ... [2025-01-09 16:24:32,278 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced.i [2025-01-09 16:24:32,289 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:24:32,291 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_NetBSD_sysmon_power_sliced.i that has 2 procedures, 124 locations, 1 initial locations, 3 loop locations, and 11 error locations. [2025-01-09 16:24:32,291 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 16:24:32,350 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-09 16:24:32,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 177 transitions, 358 flow [2025-01-09 16:24:32,426 INFO L124 PetriNetUnfolderBase]: 53/179 cut-off events. [2025-01-09 16:24:32,428 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 16:24:32,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 179 events. 53/179 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 687 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 174. Up to 10 conditions per place. [2025-01-09 16:24:32,430 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 177 transitions, 358 flow [2025-01-09 16:24:32,433 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 177 transitions, 358 flow [2025-01-09 16:24:32,437 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:24:32,444 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;@6c7e7fd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:24:32,444 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2025-01-09 16:24:32,451 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 16:24:32,451 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2025-01-09 16:24:32,451 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 16:24:32,452 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 16:24:32,452 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1] [2025-01-09 16:24:32,452 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err3ASSERT_VIOLATIONERROR_FUNCTION, thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2025-01-09 16:24:32,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:24:32,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1288703284, now seen corresponding path program 1 times [2025-01-09 16:24:32,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:24:32,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514683884] [2025-01-09 16:24:32,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:24:32,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:24:32,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-09 16:24:32,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-09 16:24:32,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:24:32,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 16:24:32,545 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 16:24:32,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-09 16:24:32,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-09 16:24:32,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:24:32,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 16:24:32,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 16:24:32,566 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 16:24:32,567 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 23 remaining) [2025-01-09 16:24:32,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (21 of 23 remaining) [2025-01-09 16:24:32,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 23 remaining) [2025-01-09 16:24:32,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (19 of 23 remaining) [2025-01-09 16:24:32,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (18 of 23 remaining) [2025-01-09 16:24:32,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (17 of 23 remaining) [2025-01-09 16:24:32,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (16 of 23 remaining) [2025-01-09 16:24:32,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (15 of 23 remaining) [2025-01-09 16:24:32,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (14 of 23 remaining) [2025-01-09 16:24:32,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (13 of 23 remaining) [2025-01-09 16:24:32,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (12 of 23 remaining) [2025-01-09 16:24:32,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (11 of 23 remaining) [2025-01-09 16:24:32,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 23 remaining) [2025-01-09 16:24:32,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 23 remaining) [2025-01-09 16:24:32,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (8 of 23 remaining) [2025-01-09 16:24:32,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (7 of 23 remaining) [2025-01-09 16:24:32,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (6 of 23 remaining) [2025-01-09 16:24:32,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (5 of 23 remaining) [2025-01-09 16:24:32,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 23 remaining) [2025-01-09 16:24:32,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (3 of 23 remaining) [2025-01-09 16:24:32,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (2 of 23 remaining) [2025-01-09 16:24:32,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (1 of 23 remaining) [2025-01-09 16:24:32,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (0 of 23 remaining) [2025-01-09 16:24:32,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 16:24:32,570 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 16:24:32,572 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-01-09 16:24:32,572 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-01-09 16:24:32,657 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-09 16:24:32,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 249 places, 350 transitions, 710 flow [2025-01-09 16:24:32,707 INFO L124 PetriNetUnfolderBase]: 106/354 cut-off events. [2025-01-09 16:24:32,707 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-01-09 16:24:32,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 354 events. 106/354 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1832 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 346. Up to 10 conditions per place. [2025-01-09 16:24:32,711 INFO L82 GeneralOperation]: Start removeDead. Operand has 249 places, 350 transitions, 710 flow [2025-01-09 16:24:32,716 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 249 places, 350 transitions, 710 flow [2025-01-09 16:24:32,717 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:24:32,717 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;@6c7e7fd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:24:32,717 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2025-01-09 16:24:32,719 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 16:24:32,719 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2025-01-09 16:24:32,719 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-01-09 16:24:32,719 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 16:24:32,719 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1] [2025-01-09 16:24:32,719 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err3ASSERT_VIOLATIONERROR_FUNCTION, thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2025-01-09 16:24:32,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:24:32,720 INFO L85 PathProgramCache]: Analyzing trace with hash 510281070, now seen corresponding path program 1 times [2025-01-09 16:24:32,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:24:32,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298910501] [2025-01-09 16:24:32,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:24:32,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:24:32,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-09 16:24:32,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-09 16:24:32,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:24:32,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 16:24:32,731 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 16:24:32,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-09 16:24:32,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-09 16:24:32,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:24:32,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 16:24:32,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 16:24:32,741 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 16:24:32,741 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 34 remaining) [2025-01-09 16:24:32,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (32 of 34 remaining) [2025-01-09 16:24:32,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (31 of 34 remaining) [2025-01-09 16:24:32,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (30 of 34 remaining) [2025-01-09 16:24:32,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (29 of 34 remaining) [2025-01-09 16:24:32,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (28 of 34 remaining) [2025-01-09 16:24:32,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (27 of 34 remaining) [2025-01-09 16:24:32,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (26 of 34 remaining) [2025-01-09 16:24:32,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (25 of 34 remaining) [2025-01-09 16:24:32,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (24 of 34 remaining) [2025-01-09 16:24:32,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (23 of 34 remaining) [2025-01-09 16:24:32,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (22 of 34 remaining) [2025-01-09 16:24:32,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (21 of 34 remaining) [2025-01-09 16:24:32,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 34 remaining) [2025-01-09 16:24:32,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (19 of 34 remaining) [2025-01-09 16:24:32,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (18 of 34 remaining) [2025-01-09 16:24:32,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (17 of 34 remaining) [2025-01-09 16:24:32,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (16 of 34 remaining) [2025-01-09 16:24:32,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (15 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (14 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (13 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (12 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (11 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (8 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (7 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (6 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (5 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (3 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (2 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (1 of 34 remaining) [2025-01-09 16:24:32,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (0 of 34 remaining) [2025-01-09 16:24:32,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 16:24:32,743 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 16:24:32,744 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-01-09 16:24:32,744 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-01-09 16:24:32,824 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-09 16:24:32,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 371 places, 523 transitions, 1064 flow [2025-01-09 16:24:32,904 INFO L124 PetriNetUnfolderBase]: 159/529 cut-off events. [2025-01-09 16:24:32,905 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-01-09 16:24:32,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 542 conditions, 529 events. 159/529 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3075 event pairs, 0 based on Foata normal form. 0/333 useless extension candidates. Maximal degree in co-relation 518. Up to 10 conditions per place. [2025-01-09 16:24:32,917 INFO L82 GeneralOperation]: Start removeDead. Operand has 371 places, 523 transitions, 1064 flow [2025-01-09 16:24:32,928 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 371 places, 523 transitions, 1064 flow [2025-01-09 16:24:32,929 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:24:32,929 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;@6c7e7fd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:24:32,929 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2025-01-09 16:24:32,933 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 16:24:32,933 INFO L124 PetriNetUnfolderBase]: 1/33 cut-off events. [2025-01-09 16:24:32,933 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-01-09 16:24:32,933 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 16:24:32,933 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1] [2025-01-09 16:24:32,933 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err3ASSERT_VIOLATIONERROR_FUNCTION, thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (and 41 more)] === [2025-01-09 16:24:32,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:24:32,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1904190098, now seen corresponding path program 1 times [2025-01-09 16:24:32,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:24:32,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709264399] [2025-01-09 16:24:32,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:24:32,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:24:32,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-09 16:24:32,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-09 16:24:32,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:24:32,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 16:24:32,962 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 16:24:32,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-09 16:24:32,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-09 16:24:32,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:24:32,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 16:24:32,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 16:24:32,977 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 16:24:32,977 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 45 remaining) [2025-01-09 16:24:32,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (43 of 45 remaining) [2025-01-09 16:24:32,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (42 of 45 remaining) [2025-01-09 16:24:32,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (41 of 45 remaining) [2025-01-09 16:24:32,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (40 of 45 remaining) [2025-01-09 16:24:32,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (39 of 45 remaining) [2025-01-09 16:24:32,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (38 of 45 remaining) [2025-01-09 16:24:32,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (37 of 45 remaining) [2025-01-09 16:24:32,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (36 of 45 remaining) [2025-01-09 16:24:32,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (35 of 45 remaining) [2025-01-09 16:24:32,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (34 of 45 remaining) [2025-01-09 16:24:32,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (33 of 45 remaining) [2025-01-09 16:24:32,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (32 of 45 remaining) [2025-01-09 16:24:32,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (31 of 45 remaining) [2025-01-09 16:24:32,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (30 of 45 remaining) [2025-01-09 16:24:32,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (29 of 45 remaining) [2025-01-09 16:24:32,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (28 of 45 remaining) [2025-01-09 16:24:32,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (27 of 45 remaining) [2025-01-09 16:24:32,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (26 of 45 remaining) [2025-01-09 16:24:32,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (25 of 45 remaining) [2025-01-09 16:24:32,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (24 of 45 remaining) [2025-01-09 16:24:32,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (23 of 45 remaining) [2025-01-09 16:24:32,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (22 of 45 remaining) [2025-01-09 16:24:32,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (21 of 45 remaining) [2025-01-09 16:24:32,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 45 remaining) [2025-01-09 16:24:32,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (19 of 45 remaining) [2025-01-09 16:24:32,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (18 of 45 remaining) [2025-01-09 16:24:32,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (17 of 45 remaining) [2025-01-09 16:24:32,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (16 of 45 remaining) [2025-01-09 16:24:32,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (15 of 45 remaining) [2025-01-09 16:24:32,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (14 of 45 remaining) [2025-01-09 16:24:32,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (13 of 45 remaining) [2025-01-09 16:24:32,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (12 of 45 remaining) [2025-01-09 16:24:32,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (11 of 45 remaining) [2025-01-09 16:24:32,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 45 remaining) [2025-01-09 16:24:32,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 45 remaining) [2025-01-09 16:24:32,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (8 of 45 remaining) [2025-01-09 16:24:32,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (7 of 45 remaining) [2025-01-09 16:24:32,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (6 of 45 remaining) [2025-01-09 16:24:32,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (5 of 45 remaining) [2025-01-09 16:24:32,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 45 remaining) [2025-01-09 16:24:32,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (3 of 45 remaining) [2025-01-09 16:24:32,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (2 of 45 remaining) [2025-01-09 16:24:32,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (1 of 45 remaining) [2025-01-09 16:24:32,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (0 of 45 remaining) [2025-01-09 16:24:32,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 16:24:32,981 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 16:24:32,981 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2025-01-09 16:24:32,981 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2025-01-09 16:24:33,070 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-09 16:24:33,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 493 places, 696 transitions, 1420 flow [2025-01-09 16:24:33,217 INFO L124 PetriNetUnfolderBase]: 212/704 cut-off events. [2025-01-09 16:24:33,217 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-01-09 16:24:33,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 723 conditions, 704 events. 212/704 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 4444 event pairs, 0 based on Foata normal form. 0/443 useless extension candidates. Maximal degree in co-relation 690. Up to 10 conditions per place. [2025-01-09 16:24:33,239 INFO L82 GeneralOperation]: Start removeDead. Operand has 493 places, 696 transitions, 1420 flow [2025-01-09 16:24:33,260 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 493 places, 696 transitions, 1420 flow [2025-01-09 16:24:33,261 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:24:33,261 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;@6c7e7fd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:24:33,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2025-01-09 16:24:33,267 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 16:24:33,267 INFO L124 PetriNetUnfolderBase]: 2/58 cut-off events. [2025-01-09 16:24:33,268 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-01-09 16:24:33,268 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 16:24:33,268 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:24:33,268 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err3ASSERT_VIOLATIONERROR_FUNCTION, thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (and 52 more)] === [2025-01-09 16:24:33,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:24:33,268 INFO L85 PathProgramCache]: Analyzing trace with hash -458770120, now seen corresponding path program 1 times [2025-01-09 16:24:33,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:24:33,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983903484] [2025-01-09 16:24:33,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:24:33,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:24:33,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-09 16:24:33,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-09 16:24:33,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:24:33,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:24:33,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 16:24:33,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:24:33,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983903484] [2025-01-09 16:24:33,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983903484] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:24:33,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:24:33,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 16:24:33,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816044937] [2025-01-09 16:24:33,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:24:33,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 16:24:33,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:24:33,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 16:24:33,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 16:24:33,585 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 696 [2025-01-09 16:24:33,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 696 transitions, 1420 flow. Second operand has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 16:24:33,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 16:24:33,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 696 [2025-01-09 16:24:33,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand