./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.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 8389c73a3873efed3be614e3a02a2457c4db9f1b1dfabf64c87229b49920fe65 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:10:53,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:10:53,942 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 10:10:53,946 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:10:53,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:10:53,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:10:53,981 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:10:53,982 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:10:53,982 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:10:53,984 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:10:53,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:10:53,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:10:53,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:10:53,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:10:53,986 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:10:53,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:10:53,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:10:53,987 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 10:10:53,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:10:53,988 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 10:10:53,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:10:53,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:10:53,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:10:53,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:10:53,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:10:53,993 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 10:10:53,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:10:53,993 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:10:53,994 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:10:53,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:10:53,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:10:53,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:10:53,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:10:53,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:10:53,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:10:53,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:10:53,995 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:10:53,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:10:53,996 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:10:53,996 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:10:53,996 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:10:53,997 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:10:53,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8389c73a3873efed3be614e3a02a2457c4db9f1b1dfabf64c87229b49920fe65 [2024-11-10 10:10:54,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:10:54,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:10:54,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:10:54,308 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:10:54,309 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:10:54,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-11-10 10:10:55,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:10:55,979 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:10:55,979 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-11-10 10:10:56,001 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e289cee9/17fc887131d341ffa2388102be0a7cb5/FLAGcf6a78aef [2024-11-10 10:10:56,018 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e289cee9/17fc887131d341ffa2388102be0a7cb5 [2024-11-10 10:10:56,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:10:56,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:10:56,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:10:56,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:10:56,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:10:56,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e17a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56, skipping insertion in model container [2024-11-10 10:10:56,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:10:56,449 WARN L250 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-pthread.i[30535,30548] [2024-11-10 10:10:56,457 WARN L250 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-pthread.i[30687,30700] [2024-11-10 10:10:56,465 WARN L250 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-pthread.i[31414,31427] [2024-11-10 10:10:56,468 WARN L250 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-pthread.i[31599,31612] [2024-11-10 10:10:56,470 WARN L250 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-pthread.i[31752,31765] [2024-11-10 10:10:56,477 WARN L250 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-pthread.i[32141,32154] [2024-11-10 10:10:56,481 WARN L250 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-pthread.i[32327,32340] [2024-11-10 10:10:56,483 WARN L250 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-pthread.i[32488,32501] [2024-11-10 10:10:56,486 WARN L250 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-pthread.i[32646,32659] [2024-11-10 10:10:56,488 WARN L250 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-pthread.i[32802,32815] [2024-11-10 10:10:56,492 WARN L250 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-pthread.i[33149,33162] [2024-11-10 10:10:56,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:10:56,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:10:56,578 WARN L250 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-pthread.i[30535,30548] [2024-11-10 10:10:56,579 WARN L250 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-pthread.i[30687,30700] [2024-11-10 10:10:56,581 WARN L250 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-pthread.i[31414,31427] [2024-11-10 10:10:56,582 WARN L250 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-pthread.i[31599,31612] [2024-11-10 10:10:56,583 WARN L250 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-pthread.i[31752,31765] [2024-11-10 10:10:56,587 WARN L250 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-pthread.i[32141,32154] [2024-11-10 10:10:56,592 WARN L250 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-pthread.i[32327,32340] [2024-11-10 10:10:56,593 WARN L250 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-pthread.i[32488,32501] [2024-11-10 10:10:56,593 WARN L250 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-pthread.i[32646,32659] [2024-11-10 10:10:56,594 WARN L250 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-pthread.i[32802,32815] [2024-11-10 10:10:56,595 WARN L250 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-pthread.i[33149,33162] [2024-11-10 10:10:56,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:10:56,651 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:10:56,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56 WrapperNode [2024-11-10 10:10:56,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:10:56,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:10:56,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:10:56,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:10:56,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,709 INFO L138 Inliner]: procedures = 173, calls = 51, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 452 [2024-11-10 10:10:56,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:10:56,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:10:56,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:10:56,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:10:56,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,746 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-11-10 10:10:56,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,756 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:10:56,767 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:10:56,767 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:10:56,767 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:10:56,768 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56" (1/1) ... [2024-11-10 10:10:56,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:10:56,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:10:56,812 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) [2024-11-10 10:10:56,815 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 [2024-11-10 10:10:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-10 10:10:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-10 10:10:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 10:10:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:10:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:10:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:10:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 10:10:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:10:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:10:56,870 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 10:10:57,069 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:10:57,072 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:10:57,503 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc sysmon_power_daemon_task_#t~nondet17#1; [2024-11-10 10:10:57,640 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 10:10:57,640 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:10:58,210 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:10:58,212 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:10:58,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:10:58 BoogieIcfgContainer [2024-11-10 10:10:58,212 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:10:58,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:10:58,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:10:58,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:10:58,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:10:56" (1/3) ... [2024-11-10 10:10:58,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191f52e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:10:58, skipping insertion in model container [2024-11-10 10:10:58,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:56" (2/3) ... [2024-11-10 10:10:58,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191f52e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:10:58, skipping insertion in model container [2024-11-10 10:10:58,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:10:58" (3/3) ... [2024-11-10 10:10:58,222 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced-pthread.i [2024-11-10 10:10:58,239 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:10:58,240 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-11-10 10:10:58,240 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 10:10:58,328 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 10:10:58,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 138 places, 175 transitions, 354 flow [2024-11-10 10:10:58,475 INFO L124 PetriNetUnfolderBase]: 41/180 cut-off events. [2024-11-10 10:10:58,476 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 10:10:58,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 180 events. 41/180 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 745 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 172. Up to 10 conditions per place. [2024-11-10 10:10:58,482 INFO L82 GeneralOperation]: Start removeDead. Operand has 138 places, 175 transitions, 354 flow [2024-11-10 10:10:58,489 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 175 transitions, 354 flow [2024-11-10 10:10:58,500 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:10:58,507 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;@57a3fb99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:10:58,507 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-11-10 10:10:58,518 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 10:10:58,518 INFO L124 PetriNetUnfolderBase]: 3/16 cut-off events. [2024-11-10 10:10:58,518 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 10:10:58,519 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:10:58,519 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1] [2024-11-10 10:10:58,520 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-10 10:10:58,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:10:58,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1449142432, now seen corresponding path program 1 times [2024-11-10 10:10:58,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:10:58,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770294042] [2024-11-10 10:10:58,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:10:58,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:10:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 10:10:58,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 10:10:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 10:10:59,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 10:10:59,044 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 10:10:59,045 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 23 remaining) [2024-11-10 10:10:59,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (21 of 23 remaining) [2024-11-10 10:10:59,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (20 of 23 remaining) [2024-11-10 10:10:59,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (19 of 23 remaining) [2024-11-10 10:10:59,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (18 of 23 remaining) [2024-11-10 10:10:59,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (17 of 23 remaining) [2024-11-10 10:10:59,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (16 of 23 remaining) [2024-11-10 10:10:59,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (15 of 23 remaining) [2024-11-10 10:10:59,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (14 of 23 remaining) [2024-11-10 10:10:59,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (13 of 23 remaining) [2024-11-10 10:10:59,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (12 of 23 remaining) [2024-11-10 10:10:59,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (11 of 23 remaining) [2024-11-10 10:10:59,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (10 of 23 remaining) [2024-11-10 10:10:59,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (9 of 23 remaining) [2024-11-10 10:10:59,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (8 of 23 remaining) [2024-11-10 10:10:59,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (7 of 23 remaining) [2024-11-10 10:10:59,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (6 of 23 remaining) [2024-11-10 10:10:59,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (5 of 23 remaining) [2024-11-10 10:10:59,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (4 of 23 remaining) [2024-11-10 10:10:59,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (3 of 23 remaining) [2024-11-10 10:10:59,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (2 of 23 remaining) [2024-11-10 10:10:59,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 23 remaining) [2024-11-10 10:10:59,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 23 remaining) [2024-11-10 10:10:59,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:10:59,054 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 10:10:59,058 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 10:10:59,058 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-10 10:10:59,163 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 10:10:59,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 269 places, 343 transitions, 696 flow [2024-11-10 10:10:59,272 INFO L124 PetriNetUnfolderBase]: 81/353 cut-off events. [2024-11-10 10:10:59,272 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 10:10:59,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 353 events. 81/353 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1949 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 339. Up to 10 conditions per place. [2024-11-10 10:10:59,285 INFO L82 GeneralOperation]: Start removeDead. Operand has 269 places, 343 transitions, 696 flow [2024-11-10 10:10:59,293 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 269 places, 343 transitions, 696 flow [2024-11-10 10:10:59,294 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:10:59,295 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;@57a3fb99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:10:59,296 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-11-10 10:10:59,306 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 10:10:59,307 INFO L124 PetriNetUnfolderBase]: 5/34 cut-off events. [2024-11-10 10:10:59,307 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 10:10:59,307 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:10:59,307 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1] [2024-11-10 10:10:59,307 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-10 10:10:59,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:10:59,308 INFO L85 PathProgramCache]: Analyzing trace with hash -2068343513, now seen corresponding path program 1 times [2024-11-10 10:10:59,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:10:59,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195544582] [2024-11-10 10:10:59,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:10:59,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:10:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 10:10:59,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 10:10:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 10:10:59,589 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 10:10:59,591 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 10:10:59,592 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 34 remaining) [2024-11-10 10:10:59,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (32 of 34 remaining) [2024-11-10 10:10:59,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (31 of 34 remaining) [2024-11-10 10:10:59,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (30 of 34 remaining) [2024-11-10 10:10:59,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (29 of 34 remaining) [2024-11-10 10:10:59,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (28 of 34 remaining) [2024-11-10 10:10:59,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (27 of 34 remaining) [2024-11-10 10:10:59,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (26 of 34 remaining) [2024-11-10 10:10:59,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (25 of 34 remaining) [2024-11-10 10:10:59,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (24 of 34 remaining) [2024-11-10 10:10:59,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (23 of 34 remaining) [2024-11-10 10:10:59,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (22 of 34 remaining) [2024-11-10 10:10:59,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (21 of 34 remaining) [2024-11-10 10:10:59,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (20 of 34 remaining) [2024-11-10 10:10:59,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (19 of 34 remaining) [2024-11-10 10:10:59,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (18 of 34 remaining) [2024-11-10 10:10:59,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (17 of 34 remaining) [2024-11-10 10:10:59,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (16 of 34 remaining) [2024-11-10 10:10:59,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (15 of 34 remaining) [2024-11-10 10:10:59,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (14 of 34 remaining) [2024-11-10 10:10:59,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (13 of 34 remaining) [2024-11-10 10:10:59,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (12 of 34 remaining) [2024-11-10 10:10:59,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (11 of 34 remaining) [2024-11-10 10:10:59,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (10 of 34 remaining) [2024-11-10 10:10:59,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (9 of 34 remaining) [2024-11-10 10:10:59,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (8 of 34 remaining) [2024-11-10 10:10:59,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (7 of 34 remaining) [2024-11-10 10:10:59,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (6 of 34 remaining) [2024-11-10 10:10:59,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (5 of 34 remaining) [2024-11-10 10:10:59,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (4 of 34 remaining) [2024-11-10 10:10:59,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (3 of 34 remaining) [2024-11-10 10:10:59,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (2 of 34 remaining) [2024-11-10 10:10:59,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 34 remaining) [2024-11-10 10:10:59,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 34 remaining) [2024-11-10 10:10:59,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 10:10:59,602 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 10:10:59,604 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 10:10:59,604 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-10 10:10:59,711 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 10:10:59,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 400 places, 511 transitions, 1040 flow [2024-11-10 10:10:59,860 INFO L124 PetriNetUnfolderBase]: 121/526 cut-off events. [2024-11-10 10:10:59,860 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 10:10:59,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 526 events. 121/526 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3242 event pairs, 0 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 506. Up to 10 conditions per place. [2024-11-10 10:10:59,870 INFO L82 GeneralOperation]: Start removeDead. Operand has 400 places, 511 transitions, 1040 flow [2024-11-10 10:10:59,884 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 400 places, 511 transitions, 1040 flow [2024-11-10 10:10:59,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:10:59,886 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;@57a3fb99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:10:59,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2024-11-10 10:10:59,903 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 10:10:59,904 INFO L124 PetriNetUnfolderBase]: 12/95 cut-off events. [2024-11-10 10:10:59,904 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 10:10:59,904 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:10:59,904 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1] [2024-11-10 10:10:59,904 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (and 41 more)] === [2024-11-10 10:10:59,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:10:59,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1853013, now seen corresponding path program 1 times [2024-11-10 10:10:59,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:10:59,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335734662] [2024-11-10 10:10:59,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:10:59,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:10:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 10:10:59,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 10:11:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 10:11:00,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 10:11:00,038 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 10:11:00,039 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 45 remaining) [2024-11-10 10:11:00,039 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (43 of 45 remaining) [2024-11-10 10:11:00,039 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (42 of 45 remaining) [2024-11-10 10:11:00,039 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (41 of 45 remaining) [2024-11-10 10:11:00,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (40 of 45 remaining) [2024-11-10 10:11:00,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (39 of 45 remaining) [2024-11-10 10:11:00,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (38 of 45 remaining) [2024-11-10 10:11:00,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (37 of 45 remaining) [2024-11-10 10:11:00,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (36 of 45 remaining) [2024-11-10 10:11:00,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (35 of 45 remaining) [2024-11-10 10:11:00,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (34 of 45 remaining) [2024-11-10 10:11:00,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (33 of 45 remaining) [2024-11-10 10:11:00,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (32 of 45 remaining) [2024-11-10 10:11:00,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (31 of 45 remaining) [2024-11-10 10:11:00,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (30 of 45 remaining) [2024-11-10 10:11:00,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (29 of 45 remaining) [2024-11-10 10:11:00,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (28 of 45 remaining) [2024-11-10 10:11:00,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (27 of 45 remaining) [2024-11-10 10:11:00,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (26 of 45 remaining) [2024-11-10 10:11:00,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (25 of 45 remaining) [2024-11-10 10:11:00,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (24 of 45 remaining) [2024-11-10 10:11:00,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (23 of 45 remaining) [2024-11-10 10:11:00,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (22 of 45 remaining) [2024-11-10 10:11:00,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (21 of 45 remaining) [2024-11-10 10:11:00,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (20 of 45 remaining) [2024-11-10 10:11:00,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (19 of 45 remaining) [2024-11-10 10:11:00,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (18 of 45 remaining) [2024-11-10 10:11:00,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (17 of 45 remaining) [2024-11-10 10:11:00,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (16 of 45 remaining) [2024-11-10 10:11:00,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (15 of 45 remaining) [2024-11-10 10:11:00,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (14 of 45 remaining) [2024-11-10 10:11:00,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (13 of 45 remaining) [2024-11-10 10:11:00,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (12 of 45 remaining) [2024-11-10 10:11:00,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (11 of 45 remaining) [2024-11-10 10:11:00,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (10 of 45 remaining) [2024-11-10 10:11:00,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (9 of 45 remaining) [2024-11-10 10:11:00,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (8 of 45 remaining) [2024-11-10 10:11:00,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (7 of 45 remaining) [2024-11-10 10:11:00,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (6 of 45 remaining) [2024-11-10 10:11:00,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (5 of 45 remaining) [2024-11-10 10:11:00,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (4 of 45 remaining) [2024-11-10 10:11:00,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (3 of 45 remaining) [2024-11-10 10:11:00,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (2 of 45 remaining) [2024-11-10 10:11:00,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 45 remaining) [2024-11-10 10:11:00,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 45 remaining) [2024-11-10 10:11:00,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 10:11:00,073 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 10:11:00,074 WARN L244 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 10:11:00,074 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-10 10:11:00,200 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 10:11:00,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 531 places, 679 transitions, 1386 flow [2024-11-10 10:11:00,420 INFO L124 PetriNetUnfolderBase]: 161/699 cut-off events. [2024-11-10 10:11:00,421 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-10 10:11:00,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 718 conditions, 699 events. 161/699 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4605 event pairs, 0 based on Foata normal form. 0/489 useless extension candidates. Maximal degree in co-relation 673. Up to 10 conditions per place. [2024-11-10 10:11:00,455 INFO L82 GeneralOperation]: Start removeDead. Operand has 531 places, 679 transitions, 1386 flow [2024-11-10 10:11:00,532 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 531 places, 679 transitions, 1386 flow [2024-11-10 10:11:00,534 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:11:00,535 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;@57a3fb99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:11:00,535 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-10 10:11:00,552 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 10:11:00,554 INFO L124 PetriNetUnfolderBase]: 21/134 cut-off events. [2024-11-10 10:11:00,554 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-10 10:11:00,554 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:11:00,554 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:11:00,554 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err8ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION, thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (and 52 more)] === [2024-11-10 10:11:00,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:11:00,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1336403015, now seen corresponding path program 1 times [2024-11-10 10:11:00,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:11:00,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952135854] [2024-11-10 10:11:00,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:11:00,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:11:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:11:00,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 10:11:00,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:11:00,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952135854] [2024-11-10 10:11:00,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952135854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:11:00,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:11:00,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 10:11:00,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434240278] [2024-11-10 10:11:00,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:11:00,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 10:11:00,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:11:00,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 10:11:00,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 10:11:00,775 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 679 [2024-11-10 10:11:00,779 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 679 transitions, 1386 flow. Second operand has 2 states, 2 states have (on average 187.5) internal successors, (375), 2 states have internal predecessors, (375), 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) [2024-11-10 10:11:00,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 10:11:00,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 679 [2024-11-10 10:11:00,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand