./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8389c73a3873efed3be614e3a02a2457c4db9f1b1dfabf64c87229b49920fe65 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:18:21,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:18:21,470 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:18:21,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:18:21,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:18:21,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:18:21,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:18:21,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:18:21,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:18:21,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:18:21,498 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:18:21,498 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:18:21,498 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:18:21,499 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:18:21,499 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:18:21,499 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:18:21,499 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:18:21,499 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:18:21,499 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:18:21,499 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:18:21,499 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:18:21,500 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:18:21,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:18:21,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:18:21,500 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:18:21,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:18:21,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:18:21,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:18:21,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:18:21,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:18:21,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:18:21,501 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:18:21,501 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:18:21,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:18:21,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:18:21,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:18:21,501 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:18:21,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:18:21,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:18:21,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:18:21,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:18:21,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:18:21,502 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:18:21,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:18:21,502 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:18:21,502 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:18:21,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:18:21,503 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 [2024-11-14 04:18:21,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:18:21,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:18:21,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:18:21,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:18:21,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:18:21,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i Unable to find full path for "g++" [2024-11-14 04:18:23,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:18:24,149 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:18:24,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-11-14 04:18:24,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E/data/126900e6a/99556dbbb3e445f59127a9d8a80d2891/FLAG5ed8b2346 [2024-11-14 04:18:24,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E/data/126900e6a/99556dbbb3e445f59127a9d8a80d2891 [2024-11-14 04:18:24,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:18:24,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:18:24,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:18:24,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:18:24,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:18:24,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:18:24" (1/1) ... [2024-11-14 04:18:24,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cef4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24, skipping insertion in model container [2024-11-14 04:18:24,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:18:24" (1/1) ... [2024-11-14 04:18:24,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:18:24,637 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] [2024-11-14 04:18:24,643 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] [2024-11-14 04:18:24,651 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] [2024-11-14 04:18:24,653 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2024-11-14 04:18:24,655 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] [2024-11-14 04:18:24,664 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] [2024-11-14 04:18:24,666 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2024-11-14 04:18:24,668 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2024-11-14 04:18:24,672 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2024-11-14 04:18:24,675 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] [2024-11-14 04:18:24,678 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] [2024-11-14 04:18:24,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:18:24,713 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:18:24,785 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] [2024-11-14 04:18:24,787 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] [2024-11-14 04:18:24,793 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] [2024-11-14 04:18:24,797 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2024-11-14 04:18:24,800 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] [2024-11-14 04:18:24,803 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] [2024-11-14 04:18:24,807 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2024-11-14 04:18:24,810 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2024-11-14 04:18:24,811 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2024-11-14 04:18:24,812 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] [2024-11-14 04:18:24,815 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] [2024-11-14 04:18:24,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:18:24,875 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:18:24,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24 WrapperNode [2024-11-14 04:18:24,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:18:24,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:18:24,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:18:24,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:18:24,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24" (1/1) ... [2024-11-14 04:18:24,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24" (1/1) ... [2024-11-14 04:18:24,932 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 455 [2024-11-14 04:18:24,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:18:24,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:18:24,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:18:24,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:18:24,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24" (1/1) ... [2024-11-14 04:18:24,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24" (1/1) ... [2024-11-14 04:18:24,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24" (1/1) ... [2024-11-14 04:18:24,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24" (1/1) ... [2024-11-14 04:18:24,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24" (1/1) ... [2024-11-14 04:18:24,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24" (1/1) ... [2024-11-14 04:18:24,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24" (1/1) ... [2024-11-14 04:18:24,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24" (1/1) ... [2024-11-14 04:18:24,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:18:24,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:18:24,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:18:24,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:18:24,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24" (1/1) ... [2024-11-14 04:18:24,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:18:24,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:18:25,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:18:25,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fb0ee5-e9d5-49d3-8823-42e0bc9d9225/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:18:25,040 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-14 04:18:25,040 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-14 04:18:25,040 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 04:18:25,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:18:25,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:18:25,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:18:25,041 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 04:18:25,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:18:25,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:18:25,043 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 04:18:25,214 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:18:25,216 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:18:25,834 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 04:18:25,834 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:18:26,600 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:18:26,601 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-14 04:18:26,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:26 BoogieIcfgContainer [2024-11-14 04:18:26,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:18:26,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:18:26,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:18:26,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:18:26,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:18:24" (1/3) ... [2024-11-14 04:18:26,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617ce79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:18:26, skipping insertion in model container [2024-11-14 04:18:26,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:24" (2/3) ... [2024-11-14 04:18:26,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617ce79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:18:26, skipping insertion in model container [2024-11-14 04:18:26,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:26" (3/3) ... [2024-11-14 04:18:26,611 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced-pthread.i [2024-11-14 04:18:26,628 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:18:26,630 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_NetBSD_sysmon_power_sliced-pthread.i that has 2 procedures, 128 locations, 1 initial locations, 4 loop locations, and 11 error locations. [2024-11-14 04:18:26,630 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 04:18:26,740 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 04:18:26,799 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 165 transitions, 334 flow [2024-11-14 04:18:26,890 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 498 states, 475 states have (on average 2.132631578947368) internal successors, (1013), 497 states have internal predecessors, (1013), 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) [2024-11-14 04:18:26,968 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:18:26,984 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=FINITE_AUTOMATA, 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;@3c9e3cee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:18:26,984 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-11-14 04:18:26,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 498 states, 475 states have (on average 2.132631578947368) internal successors, (1013), 497 states have internal predecessors, (1013), 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) [2024-11-14 04:18:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 04:18:26,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:26,998 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1] [2024-11-14 04:18:26,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err6ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-14 04:18:27,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:27,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1039253533, now seen corresponding path program 1 times [2024-11-14 04:18:27,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:27,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271910052] [2024-11-14 04:18:27,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:27,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:18:27,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:18:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:18:27,589 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:18:27,591 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:18:27,596 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 23 remaining) [2024-11-14 04:18:27,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (21 of 23 remaining) [2024-11-14 04:18:27,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 23 remaining) [2024-11-14 04:18:27,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 23 remaining) [2024-11-14 04:18:27,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (18 of 23 remaining) [2024-11-14 04:18:27,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (17 of 23 remaining) [2024-11-14 04:18:27,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (16 of 23 remaining) [2024-11-14 04:18:27,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (15 of 23 remaining) [2024-11-14 04:18:27,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (14 of 23 remaining) [2024-11-14 04:18:27,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (13 of 23 remaining) [2024-11-14 04:18:27,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (12 of 23 remaining) [2024-11-14 04:18:27,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (11 of 23 remaining) [2024-11-14 04:18:27,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (10 of 23 remaining) [2024-11-14 04:18:27,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 23 remaining) [2024-11-14 04:18:27,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (8 of 23 remaining) [2024-11-14 04:18:27,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 23 remaining) [2024-11-14 04:18:27,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (6 of 23 remaining) [2024-11-14 04:18:27,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 23 remaining) [2024-11-14 04:18:27,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (4 of 23 remaining) [2024-11-14 04:18:27,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (3 of 23 remaining) [2024-11-14 04:18:27,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (2 of 23 remaining) [2024-11-14 04:18:27,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (1 of 23 remaining) [2024-11-14 04:18:27,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (0 of 23 remaining) [2024-11-14 04:18:27,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:18:27,608 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:18:27,611 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-14 04:18:27,611 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-14 04:18:27,722 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 04:18:27,734 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 257 places, 326 transitions, 662 flow [2024-11-14 04:18:30,410 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 61877 states, 61579 states have (on average 3.34039201675896) internal successors, (205698), 61876 states have internal predecessors, (205698), 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) [2024-11-14 04:18:30,413 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:18:30,414 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@3c9e3cee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:18:30,414 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-11-14 04:18:30,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 61877 states, 61579 states have (on average 3.34039201675896) internal successors, (205698), 61876 states have internal predecessors, (205698), 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) [2024-11-14 04:18:30,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 04:18:30,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:30,527 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1] [2024-11-14 04:18:30,528 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err6ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-14 04:18:30,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:30,528 INFO L85 PathProgramCache]: Analyzing trace with hash 760885428, now seen corresponding path program 1 times [2024-11-14 04:18:30,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:30,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878761179] [2024-11-14 04:18:30,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:30,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:18:30,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:18:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:18:31,045 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:18:31,045 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:18:31,045 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 34 remaining) [2024-11-14 04:18:31,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (32 of 34 remaining) [2024-11-14 04:18:31,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (31 of 34 remaining) [2024-11-14 04:18:31,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (30 of 34 remaining) [2024-11-14 04:18:31,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (29 of 34 remaining) [2024-11-14 04:18:31,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (28 of 34 remaining) [2024-11-14 04:18:31,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (27 of 34 remaining) [2024-11-14 04:18:31,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (26 of 34 remaining) [2024-11-14 04:18:31,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (25 of 34 remaining) [2024-11-14 04:18:31,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (24 of 34 remaining) [2024-11-14 04:18:31,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (23 of 34 remaining) [2024-11-14 04:18:31,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (22 of 34 remaining) [2024-11-14 04:18:31,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (21 of 34 remaining) [2024-11-14 04:18:31,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 34 remaining) [2024-11-14 04:18:31,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 34 remaining) [2024-11-14 04:18:31,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (18 of 34 remaining) [2024-11-14 04:18:31,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (17 of 34 remaining) [2024-11-14 04:18:31,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (16 of 34 remaining) [2024-11-14 04:18:31,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (15 of 34 remaining) [2024-11-14 04:18:31,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (14 of 34 remaining) [2024-11-14 04:18:31,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (13 of 34 remaining) [2024-11-14 04:18:31,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (12 of 34 remaining) [2024-11-14 04:18:31,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (11 of 34 remaining) [2024-11-14 04:18:31,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (10 of 34 remaining) [2024-11-14 04:18:31,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 34 remaining) [2024-11-14 04:18:31,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (8 of 34 remaining) [2024-11-14 04:18:31,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 34 remaining) [2024-11-14 04:18:31,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (6 of 34 remaining) [2024-11-14 04:18:31,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 34 remaining) [2024-11-14 04:18:31,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (4 of 34 remaining) [2024-11-14 04:18:31,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (3 of 34 remaining) [2024-11-14 04:18:31,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (2 of 34 remaining) [2024-11-14 04:18:31,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (1 of 34 remaining) [2024-11-14 04:18:31,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (0 of 34 remaining) [2024-11-14 04:18:31,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:18:31,050 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:18:31,050 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-14 04:18:31,050 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-14 04:18:31,170 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 04:18:31,181 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 383 places, 487 transitions, 992 flow