./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cc2344d8bedffb786f66d288e651407abc416f1e22d065ca4595f05e214f2a3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 12:12:10,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 12:12:10,533 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 12:12:10,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 12:12:10,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 12:12:10,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 12:12:10,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 12:12:10,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 12:12:10,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 12:12:10,581 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 12:12:10,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 12:12:10,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 12:12:10,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 12:12:10,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 12:12:10,589 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 12:12:10,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 12:12:10,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 12:12:10,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 12:12:10,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 12:12:10,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 12:12:10,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 12:12:10,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 12:12:10,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 12:12:10,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 12:12:10,594 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 12:12:10,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 12:12:10,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 12:12:10,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 12:12:10,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 12:12:10,596 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 12:12:10,596 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 12:12:10,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 12:12:10,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 12:12:10,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 12:12:10,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 12:12:10,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 12:12:10,597 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 12:12:10,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 12:12:10,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 12:12:10,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 12:12:10,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 12:12:10,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 12:12:10,600 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc2344d8bedffb786f66d288e651407abc416f1e22d065ca4595f05e214f2a3 [2024-10-24 12:12:10,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 12:12:10,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 12:12:10,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 12:12:10,890 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 12:12:10,891 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 12:12:10,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i [2024-10-24 12:12:12,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 12:12:12,752 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 12:12:12,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i [2024-10-24 12:12:12,771 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8ce0f5b/21241178ce3b428bb60ed1ac58189609/FLAGa4c3233ee [2024-10-24 12:12:13,070 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8ce0f5b/21241178ce3b428bb60ed1ac58189609 [2024-10-24 12:12:13,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 12:12:13,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 12:12:13,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 12:12:13,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 12:12:13,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 12:12:13,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a75233d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13, skipping insertion in model container [2024-10-24 12:12:13,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 12:12:13,533 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[30297,30310] [2024-10-24 12:12:13,541 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[30487,30500] [2024-10-24 12:12:13,549 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[31293,31306] [2024-10-24 12:12:13,552 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[31584,31597] [2024-10-24 12:12:13,556 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[31812,31825] [2024-10-24 12:12:13,561 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[32286,32299] [2024-10-24 12:12:13,563 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[32509,32522] [2024-10-24 12:12:13,565 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[32707,32720] [2024-10-24 12:12:13,567 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[32902,32915] [2024-10-24 12:12:13,568 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[33095,33108] [2024-10-24 12:12:13,570 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[33516,33529] [2024-10-24 12:12:13,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 12:12:13,589 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 12:12:13,629 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[30297,30310] [2024-10-24 12:12:13,631 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[30487,30500] [2024-10-24 12:12:13,634 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[31293,31306] [2024-10-24 12:12:13,635 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[31584,31597] [2024-10-24 12:12:13,640 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[31812,31825] [2024-10-24 12:12:13,642 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[32286,32299] [2024-10-24 12:12:13,643 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[32509,32522] [2024-10-24 12:12:13,644 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[32707,32720] [2024-10-24 12:12:13,645 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[32902,32915] [2024-10-24 12:12:13,646 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[33095,33108] [2024-10-24 12:12:13,649 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i[33516,33529] [2024-10-24 12:12:13,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 12:12:13,711 INFO L204 MainTranslator]: Completed translation [2024-10-24 12:12:13,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13 WrapperNode [2024-10-24 12:12:13,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 12:12:13,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 12:12:13,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 12:12:13,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 12:12:13,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,804 INFO L138 Inliner]: procedures = 180, calls = 48, calls flagged for inlining = 43, calls inlined = 68, statements flattened = 457 [2024-10-24 12:12:13,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 12:12:13,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 12:12:13,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 12:12:13,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 12:12:13,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,821 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,840 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]. [2024-10-24 12:12:13,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 12:12:13,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 12:12:13,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 12:12:13,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 12:12:13,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13" (1/1) ... [2024-10-24 12:12:13,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 12:12:13,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:12:13,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 12:12:13,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 12:12:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-24 12:12:14,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-24 12:12:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 12:12:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 12:12:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 12:12:14,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 12:12:14,017 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 12:12:14,185 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 12:12:14,187 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 12:12:14,795 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 12:12:14,795 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 12:12:15,169 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 12:12:15,169 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-24 12:12:15,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:12:15 BoogieIcfgContainer [2024-10-24 12:12:15,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 12:12:15,173 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 12:12:15,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 12:12:15,177 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 12:12:15,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:12:13" (1/3) ... [2024-10-24 12:12:15,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c261c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:12:15, skipping insertion in model container [2024-10-24 12:12:15,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:13" (2/3) ... [2024-10-24 12:12:15,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c261c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:12:15, skipping insertion in model container [2024-10-24 12:12:15,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:12:15" (3/3) ... [2024-10-24 12:12:15,180 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced.i [2024-10-24 12:12:15,201 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 12:12:15,201 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-10-24 12:12:15,202 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 12:12:15,288 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 12:12:15,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 177 transitions, 358 flow [2024-10-24 12:12:15,390 INFO L124 PetriNetUnfolderBase]: 53/179 cut-off events. [2024-10-24 12:12:15,391 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 12:12:15,394 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 677 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. [2024-10-24 12:12:15,395 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 177 transitions, 358 flow [2024-10-24 12:12:15,402 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 177 transitions, 358 flow [2024-10-24 12:12:15,410 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 12:12:15,418 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;@5e5f5517, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 12:12:15,419 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-10-24 12:12:15,424 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 12:12:15,426 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-10-24 12:12:15,426 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 12:12:15,426 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 12:12:15,427 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1] [2024-10-24 12:12:15,427 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)] === [2024-10-24 12:12:15,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:12:15,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1307518101, now seen corresponding path program 1 times [2024-10-24 12:12:15,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:12:15,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588626673] [2024-10-24 12:12:15,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:12:15,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:12:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 12:12:15,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 12:12:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 12:12:15,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 12:12:15,621 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 12:12:15,622 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 23 remaining) [2024-10-24 12:12:15,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (21 of 23 remaining) [2024-10-24 12:12:15,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 23 remaining) [2024-10-24 12:12:15,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (19 of 23 remaining) [2024-10-24 12:12:15,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (18 of 23 remaining) [2024-10-24 12:12:15,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (17 of 23 remaining) [2024-10-24 12:12:15,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (16 of 23 remaining) [2024-10-24 12:12:15,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (15 of 23 remaining) [2024-10-24 12:12:15,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (14 of 23 remaining) [2024-10-24 12:12:15,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (13 of 23 remaining) [2024-10-24 12:12:15,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (12 of 23 remaining) [2024-10-24 12:12:15,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (11 of 23 remaining) [2024-10-24 12:12:15,627 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 23 remaining) [2024-10-24 12:12:15,627 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 23 remaining) [2024-10-24 12:12:15,627 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (8 of 23 remaining) [2024-10-24 12:12:15,628 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (7 of 23 remaining) [2024-10-24 12:12:15,628 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (6 of 23 remaining) [2024-10-24 12:12:15,629 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (5 of 23 remaining) [2024-10-24 12:12:15,629 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 23 remaining) [2024-10-24 12:12:15,629 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (3 of 23 remaining) [2024-10-24 12:12:15,629 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (2 of 23 remaining) [2024-10-24 12:12:15,630 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (1 of 23 remaining) [2024-10-24 12:12:15,630 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (0 of 23 remaining) [2024-10-24 12:12:15,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 12:12:15,631 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-24 12:12:15,639 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-24 12:12:15,639 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-24 12:12:15,762 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 12:12:15,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 249 places, 350 transitions, 710 flow [2024-10-24 12:12:15,889 INFO L124 PetriNetUnfolderBase]: 106/354 cut-off events. [2024-10-24 12:12:15,890 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 12:12:15,900 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 1833 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. [2024-10-24 12:12:15,900 INFO L82 GeneralOperation]: Start removeDead. Operand has 249 places, 350 transitions, 710 flow [2024-10-24 12:12:15,911 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 249 places, 350 transitions, 710 flow [2024-10-24 12:12:15,914 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 12:12:15,915 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;@5e5f5517, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 12:12:15,915 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-10-24 12:12:15,919 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 12:12:15,919 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-10-24 12:12:15,919 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 12:12:15,920 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 12:12:15,920 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1] [2024-10-24 12:12:15,921 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)] === [2024-10-24 12:12:15,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:12:15,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1411450421, now seen corresponding path program 1 times [2024-10-24 12:12:15,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:12:15,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821632961] [2024-10-24 12:12:15,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:12:15,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:12:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 12:12:15,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 12:12:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 12:12:15,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 12:12:15,976 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 12:12:15,977 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 34 remaining) [2024-10-24 12:12:15,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (32 of 34 remaining) [2024-10-24 12:12:15,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (31 of 34 remaining) [2024-10-24 12:12:15,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (30 of 34 remaining) [2024-10-24 12:12:15,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (29 of 34 remaining) [2024-10-24 12:12:15,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (28 of 34 remaining) [2024-10-24 12:12:15,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (27 of 34 remaining) [2024-10-24 12:12:15,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (26 of 34 remaining) [2024-10-24 12:12:15,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (25 of 34 remaining) [2024-10-24 12:12:15,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (24 of 34 remaining) [2024-10-24 12:12:15,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (23 of 34 remaining) [2024-10-24 12:12:15,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (22 of 34 remaining) [2024-10-24 12:12:15,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (21 of 34 remaining) [2024-10-24 12:12:15,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 34 remaining) [2024-10-24 12:12:15,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (19 of 34 remaining) [2024-10-24 12:12:15,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (18 of 34 remaining) [2024-10-24 12:12:15,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (17 of 34 remaining) [2024-10-24 12:12:15,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (16 of 34 remaining) [2024-10-24 12:12:15,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (15 of 34 remaining) [2024-10-24 12:12:15,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (14 of 34 remaining) [2024-10-24 12:12:15,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (13 of 34 remaining) [2024-10-24 12:12:15,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (12 of 34 remaining) [2024-10-24 12:12:15,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (11 of 34 remaining) [2024-10-24 12:12:15,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 34 remaining) [2024-10-24 12:12:15,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 34 remaining) [2024-10-24 12:12:15,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (8 of 34 remaining) [2024-10-24 12:12:15,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (7 of 34 remaining) [2024-10-24 12:12:15,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (6 of 34 remaining) [2024-10-24 12:12:15,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (5 of 34 remaining) [2024-10-24 12:12:15,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 34 remaining) [2024-10-24 12:12:15,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (3 of 34 remaining) [2024-10-24 12:12:15,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (2 of 34 remaining) [2024-10-24 12:12:15,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (1 of 34 remaining) [2024-10-24 12:12:15,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (0 of 34 remaining) [2024-10-24 12:12:15,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 12:12:15,991 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-24 12:12:15,992 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-24 12:12:15,992 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-24 12:12:16,108 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 12:12:16,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 371 places, 523 transitions, 1064 flow [2024-10-24 12:12:16,258 INFO L124 PetriNetUnfolderBase]: 159/529 cut-off events. [2024-10-24 12:12:16,259 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-24 12:12:16,319 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 3103 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. [2024-10-24 12:12:16,320 INFO L82 GeneralOperation]: Start removeDead. Operand has 371 places, 523 transitions, 1064 flow [2024-10-24 12:12:16,335 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 371 places, 523 transitions, 1064 flow [2024-10-24 12:12:16,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 12:12:16,341 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;@5e5f5517, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 12:12:16,341 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2024-10-24 12:12:16,350 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 12:12:16,350 INFO L124 PetriNetUnfolderBase]: 1/33 cut-off events. [2024-10-24 12:12:16,350 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-24 12:12:16,351 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 12:12:16,351 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1] [2024-10-24 12:12:16,351 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)] === [2024-10-24 12:12:16,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:12:16,352 INFO L85 PathProgramCache]: Analyzing trace with hash 831129115, now seen corresponding path program 1 times [2024-10-24 12:12:16,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:12:16,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580051843] [2024-10-24 12:12:16,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:12:16,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:12:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 12:12:16,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 12:12:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 12:12:16,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 12:12:16,401 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 12:12:16,401 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 45 remaining) [2024-10-24 12:12:16,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (43 of 45 remaining) [2024-10-24 12:12:16,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (42 of 45 remaining) [2024-10-24 12:12:16,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (41 of 45 remaining) [2024-10-24 12:12:16,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (40 of 45 remaining) [2024-10-24 12:12:16,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (39 of 45 remaining) [2024-10-24 12:12:16,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (38 of 45 remaining) [2024-10-24 12:12:16,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (37 of 45 remaining) [2024-10-24 12:12:16,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (36 of 45 remaining) [2024-10-24 12:12:16,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (35 of 45 remaining) [2024-10-24 12:12:16,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (34 of 45 remaining) [2024-10-24 12:12:16,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (33 of 45 remaining) [2024-10-24 12:12:16,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (32 of 45 remaining) [2024-10-24 12:12:16,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (31 of 45 remaining) [2024-10-24 12:12:16,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (30 of 45 remaining) [2024-10-24 12:12:16,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (29 of 45 remaining) [2024-10-24 12:12:16,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (28 of 45 remaining) [2024-10-24 12:12:16,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (27 of 45 remaining) [2024-10-24 12:12:16,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (26 of 45 remaining) [2024-10-24 12:12:16,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (25 of 45 remaining) [2024-10-24 12:12:16,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (24 of 45 remaining) [2024-10-24 12:12:16,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (23 of 45 remaining) [2024-10-24 12:12:16,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (22 of 45 remaining) [2024-10-24 12:12:16,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (21 of 45 remaining) [2024-10-24 12:12:16,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 45 remaining) [2024-10-24 12:12:16,411 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (19 of 45 remaining) [2024-10-24 12:12:16,411 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (18 of 45 remaining) [2024-10-24 12:12:16,411 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (17 of 45 remaining) [2024-10-24 12:12:16,411 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (16 of 45 remaining) [2024-10-24 12:12:16,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (15 of 45 remaining) [2024-10-24 12:12:16,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (14 of 45 remaining) [2024-10-24 12:12:16,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (13 of 45 remaining) [2024-10-24 12:12:16,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (12 of 45 remaining) [2024-10-24 12:12:16,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (11 of 45 remaining) [2024-10-24 12:12:16,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (10 of 45 remaining) [2024-10-24 12:12:16,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 45 remaining) [2024-10-24 12:12:16,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (8 of 45 remaining) [2024-10-24 12:12:16,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (7 of 45 remaining) [2024-10-24 12:12:16,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (6 of 45 remaining) [2024-10-24 12:12:16,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (5 of 45 remaining) [2024-10-24 12:12:16,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 45 remaining) [2024-10-24 12:12:16,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (3 of 45 remaining) [2024-10-24 12:12:16,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (2 of 45 remaining) [2024-10-24 12:12:16,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (1 of 45 remaining) [2024-10-24 12:12:16,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (0 of 45 remaining) [2024-10-24 12:12:16,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 12:12:16,414 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-24 12:12:16,415 WARN L239 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-24 12:12:16,415 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-10-24 12:12:16,532 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 12:12:16,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 493 places, 696 transitions, 1420 flow [2024-10-24 12:12:16,812 INFO L124 PetriNetUnfolderBase]: 212/704 cut-off events. [2024-10-24 12:12:16,813 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 12:12:16,828 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 48. Compared 4430 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. [2024-10-24 12:12:16,829 INFO L82 GeneralOperation]: Start removeDead. Operand has 493 places, 696 transitions, 1420 flow [2024-10-24 12:12:16,850 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 493 places, 696 transitions, 1420 flow [2024-10-24 12:12:16,851 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 12:12:16,852 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;@5e5f5517, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 12:12:16,852 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-10-24 12:12:16,860 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 12:12:16,860 INFO L124 PetriNetUnfolderBase]: 2/58 cut-off events. [2024-10-24 12:12:16,861 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 12:12:16,861 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 12:12:16,861 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:12:16,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err3ASSERT_VIOLATIONERROR_FUNCTION, thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (and 52 more)] === [2024-10-24 12:12:16,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:12:16,862 INFO L85 PathProgramCache]: Analyzing trace with hash 2132278703, now seen corresponding path program 1 times [2024-10-24 12:12:16,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:12:16,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328814102] [2024-10-24 12:12:16,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:12:16,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:12:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:12:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 12:12:17,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:12:17,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328814102] [2024-10-24 12:12:17,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328814102] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:12:17,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:12:17,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 12:12:17,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993638812] [2024-10-24 12:12:17,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:12:17,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 12:12:17,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:12:17,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 12:12:17,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 12:12:17,333 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 696 [2024-10-24 12:12:17,337 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) [2024-10-24 12:12:17,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 12:12:17,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 696 [2024-10-24 12:12:17,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand