./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU --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-dev-4fc63b2 [2024-10-31 21:57:31,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:57:31,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 21:57:31,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:57:31,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:57:31,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:57:31,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:57:31,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:57:31,945 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:57:31,946 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:57:31,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:57:31,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:57:31,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:57:31,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:57:31,950 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:57:31,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:57:31,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:57:31,951 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:57:31,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:57:31,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:57:31,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:57:31,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:57:31,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:57:31,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:57:31,958 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:57:31,958 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:57:31,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:57:31,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:57:31,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:57:31,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:57:31,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:57:31,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:57:31,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:57:31,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:57:31,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:57:31,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:57:31,963 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:57:31,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:57:31,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:57:31,964 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:57:31,965 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:57:31,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:57:31,966 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8389c73a3873efed3be614e3a02a2457c4db9f1b1dfabf64c87229b49920fe65 [2024-10-31 21:57:32,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:57:32,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:57:32,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:57:32,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:57:32,373 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:57:32,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i Unable to find full path for "g++" [2024-10-31 21:57:34,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:57:34,842 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:57:34,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-10-31 21:57:34,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU/data/45f75222a/23b7062c353e49f895ac8fd2a9bb18f3/FLAGc823145c6 [2024-10-31 21:57:35,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU/data/45f75222a/23b7062c353e49f895ac8fd2a9bb18f3 [2024-10-31 21:57:35,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:57:35,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:57:35,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:35,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:57:35,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:57:35,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:35" (1/1) ... [2024-10-31 21:57:35,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee50368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:35, skipping insertion in model container [2024-10-31 21:57:35,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:35" (1/1) ... [2024-10-31 21:57:35,177 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:57:35,816 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] [2024-10-31 21:57:35,825 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] [2024-10-31 21:57:35,837 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] [2024-10-31 21:57:35,842 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2024-10-31 21:57:35,846 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] [2024-10-31 21:57:35,858 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] [2024-10-31 21:57:35,862 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2024-10-31 21:57:35,865 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2024-10-31 21:57:35,872 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2024-10-31 21:57:35,875 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] [2024-10-31 21:57:35,880 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] [2024-10-31 21:57:35,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:35,931 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:57:36,003 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] [2024-10-31 21:57:36,004 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] [2024-10-31 21:57:36,010 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] [2024-10-31 21:57:36,014 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2024-10-31 21:57:36,017 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] [2024-10-31 21:57:36,023 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] [2024-10-31 21:57:36,025 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2024-10-31 21:57:36,026 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2024-10-31 21:57:36,031 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2024-10-31 21:57:36,033 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] [2024-10-31 21:57:36,036 WARN L251 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_a62a1ab4-9996-4c8e-ad3f-170f210deb00/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] [2024-10-31 21:57:36,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:36,101 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:57:36,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36 WrapperNode [2024-10-31 21:57:36,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:36,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:36,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:57:36,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:57:36,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36" (1/1) ... [2024-10-31 21:57:36,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36" (1/1) ... [2024-10-31 21:57:36,170 INFO L138 Inliner]: procedures = 173, calls = 51, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 456 [2024-10-31 21:57:36,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:36,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:57:36,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:57:36,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:57:36,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36" (1/1) ... [2024-10-31 21:57:36,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36" (1/1) ... [2024-10-31 21:57:36,193 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36" (1/1) ... [2024-10-31 21:57:36,213 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]. [2024-10-31 21:57:36,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36" (1/1) ... [2024-10-31 21:57:36,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36" (1/1) ... [2024-10-31 21:57:36,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36" (1/1) ... [2024-10-31 21:57:36,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36" (1/1) ... [2024-10-31 21:57:36,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36" (1/1) ... [2024-10-31 21:57:36,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36" (1/1) ... [2024-10-31 21:57:36,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:57:36,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:57:36,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:57:36,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:57:36,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36" (1/1) ... [2024-10-31 21:57:36,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:57:36,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:36,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:36,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62a1ab4-9996-4c8e-ad3f-170f210deb00/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:57:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-31 21:57:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-31 21:57:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 21:57:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:57:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:57:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:57:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 21:57:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:57:36,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:57:36,357 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 21:57:36,601 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:57:36,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:57:37,480 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 21:57:37,482 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:57:38,659 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:57:38,663 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 21:57:38,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:38 BoogieIcfgContainer [2024-10-31 21:57:38,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:57:38,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:57:38,667 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:57:38,671 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:57:38,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:57:35" (1/3) ... [2024-10-31 21:57:38,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65db9f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:57:38, skipping insertion in model container [2024-10-31 21:57:38,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:36" (2/3) ... [2024-10-31 21:57:38,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65db9f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:57:38, skipping insertion in model container [2024-10-31 21:57:38,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:38" (3/3) ... [2024-10-31 21:57:38,684 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced-pthread.i [2024-10-31 21:57:38,710 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:57:38,711 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-10-31 21:57:38,711 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 21:57:38,840 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 21:57:38,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 131 places, 165 transitions, 334 flow [2024-10-31 21:57:39,016 INFO L124 PetriNetUnfolderBase]: 37/167 cut-off events. [2024-10-31 21:57:39,017 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:57:39,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 167 events. 37/167 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 729 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 162. Up to 10 conditions per place. [2024-10-31 21:57:39,023 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 165 transitions, 334 flow [2024-10-31 21:57:39,031 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 165 transitions, 334 flow [2024-10-31 21:57:39,046 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:57:39,056 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;@638c8a2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:57:39,060 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-10-31 21:57:39,080 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:57:39,081 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2024-10-31 21:57:39,081 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:57:39,082 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:39,083 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1] [2024-10-31 21:57:39,084 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)] === [2024-10-31 21:57:39,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:39,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1037344923, now seen corresponding path program 1 times [2024-10-31 21:57:39,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:39,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736689469] [2024-10-31 21:57:39,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:39,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:39,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:40,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:40,053 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 21:57:40,055 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 23 remaining) [2024-10-31 21:57:40,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (21 of 23 remaining) [2024-10-31 21:57:40,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 23 remaining) [2024-10-31 21:57:40,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 23 remaining) [2024-10-31 21:57:40,060 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (18 of 23 remaining) [2024-10-31 21:57:40,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (17 of 23 remaining) [2024-10-31 21:57:40,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (16 of 23 remaining) [2024-10-31 21:57:40,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (15 of 23 remaining) [2024-10-31 21:57:40,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (14 of 23 remaining) [2024-10-31 21:57:40,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (13 of 23 remaining) [2024-10-31 21:57:40,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (12 of 23 remaining) [2024-10-31 21:57:40,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (11 of 23 remaining) [2024-10-31 21:57:40,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (10 of 23 remaining) [2024-10-31 21:57:40,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 23 remaining) [2024-10-31 21:57:40,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (8 of 23 remaining) [2024-10-31 21:57:40,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 23 remaining) [2024-10-31 21:57:40,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (6 of 23 remaining) [2024-10-31 21:57:40,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 23 remaining) [2024-10-31 21:57:40,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (4 of 23 remaining) [2024-10-31 21:57:40,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (3 of 23 remaining) [2024-10-31 21:57:40,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (2 of 23 remaining) [2024-10-31 21:57:40,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (1 of 23 remaining) [2024-10-31 21:57:40,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (0 of 23 remaining) [2024-10-31 21:57:40,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:57:40,072 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 21:57:40,079 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-31 21:57:40,079 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-31 21:57:40,241 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 21:57:40,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 257 places, 326 transitions, 662 flow [2024-10-31 21:57:40,350 INFO L124 PetriNetUnfolderBase]: 74/330 cut-off events. [2024-10-31 21:57:40,350 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:57:40,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 330 events. 74/330 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1889 event pairs, 0 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 322. Up to 10 conditions per place. [2024-10-31 21:57:40,362 INFO L82 GeneralOperation]: Start removeDead. Operand has 257 places, 326 transitions, 662 flow [2024-10-31 21:57:40,372 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 257 places, 326 transitions, 662 flow [2024-10-31 21:57:40,374 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:57:40,376 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;@638c8a2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:57:40,376 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-10-31 21:57:40,390 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:57:40,391 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-10-31 21:57:40,391 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:57:40,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:40,391 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1] [2024-10-31 21:57:40,392 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)] === [2024-10-31 21:57:40,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:40,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1073288846, now seen corresponding path program 1 times [2024-10-31 21:57:40,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:40,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943596670] [2024-10-31 21:57:40,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:40,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:40,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:40,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:40,804 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 21:57:40,808 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 34 remaining) [2024-10-31 21:57:40,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (32 of 34 remaining) [2024-10-31 21:57:40,809 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (31 of 34 remaining) [2024-10-31 21:57:40,809 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (30 of 34 remaining) [2024-10-31 21:57:40,809 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (29 of 34 remaining) [2024-10-31 21:57:40,810 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (28 of 34 remaining) [2024-10-31 21:57:40,810 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (27 of 34 remaining) [2024-10-31 21:57:40,810 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (26 of 34 remaining) [2024-10-31 21:57:40,811 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (25 of 34 remaining) [2024-10-31 21:57:40,813 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (24 of 34 remaining) [2024-10-31 21:57:40,813 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (23 of 34 remaining) [2024-10-31 21:57:40,814 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (22 of 34 remaining) [2024-10-31 21:57:40,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (21 of 34 remaining) [2024-10-31 21:57:40,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 34 remaining) [2024-10-31 21:57:40,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 34 remaining) [2024-10-31 21:57:40,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (18 of 34 remaining) [2024-10-31 21:57:40,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (17 of 34 remaining) [2024-10-31 21:57:40,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (16 of 34 remaining) [2024-10-31 21:57:40,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (15 of 34 remaining) [2024-10-31 21:57:40,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (14 of 34 remaining) [2024-10-31 21:57:40,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (13 of 34 remaining) [2024-10-31 21:57:40,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (12 of 34 remaining) [2024-10-31 21:57:40,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (11 of 34 remaining) [2024-10-31 21:57:40,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (10 of 34 remaining) [2024-10-31 21:57:40,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 34 remaining) [2024-10-31 21:57:40,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (8 of 34 remaining) [2024-10-31 21:57:40,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 34 remaining) [2024-10-31 21:57:40,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (6 of 34 remaining) [2024-10-31 21:57:40,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 34 remaining) [2024-10-31 21:57:40,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (4 of 34 remaining) [2024-10-31 21:57:40,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (3 of 34 remaining) [2024-10-31 21:57:40,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (2 of 34 remaining) [2024-10-31 21:57:40,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (1 of 34 remaining) [2024-10-31 21:57:40,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (0 of 34 remaining) [2024-10-31 21:57:40,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:57:40,828 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 21:57:40,829 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-31 21:57:40,835 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-31 21:57:40,993 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 21:57:41,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 383 places, 487 transitions, 992 flow [2024-10-31 21:57:41,206 INFO L124 PetriNetUnfolderBase]: 111/493 cut-off events. [2024-10-31 21:57:41,206 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 21:57:41,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 493 events. 111/493 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3170 event pairs, 0 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 482. Up to 10 conditions per place. [2024-10-31 21:57:41,223 INFO L82 GeneralOperation]: Start removeDead. Operand has 383 places, 487 transitions, 992 flow [2024-10-31 21:57:41,238 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 383 places, 487 transitions, 992 flow [2024-10-31 21:57:41,240 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:57:41,241 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;@638c8a2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:57:41,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2024-10-31 21:57:41,255 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:57:41,256 INFO L124 PetriNetUnfolderBase]: 1/37 cut-off events. [2024-10-31 21:57:41,256 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 21:57:41,256 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:41,256 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1] [2024-10-31 21:57:41,257 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err6ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 41 more)] === [2024-10-31 21:57:41,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:41,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1695875669, now seen corresponding path program 1 times [2024-10-31 21:57:41,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:41,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702816578] [2024-10-31 21:57:41,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:41,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:41,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:41,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:41,508 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 21:57:41,509 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 45 remaining) [2024-10-31 21:57:41,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (43 of 45 remaining) [2024-10-31 21:57:41,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (42 of 45 remaining) [2024-10-31 21:57:41,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (41 of 45 remaining) [2024-10-31 21:57:41,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (40 of 45 remaining) [2024-10-31 21:57:41,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (39 of 45 remaining) [2024-10-31 21:57:41,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (38 of 45 remaining) [2024-10-31 21:57:41,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (37 of 45 remaining) [2024-10-31 21:57:41,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (36 of 45 remaining) [2024-10-31 21:57:41,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (35 of 45 remaining) [2024-10-31 21:57:41,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (34 of 45 remaining) [2024-10-31 21:57:41,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (33 of 45 remaining) [2024-10-31 21:57:41,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (32 of 45 remaining) [2024-10-31 21:57:41,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (31 of 45 remaining) [2024-10-31 21:57:41,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (30 of 45 remaining) [2024-10-31 21:57:41,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (29 of 45 remaining) [2024-10-31 21:57:41,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (28 of 45 remaining) [2024-10-31 21:57:41,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (27 of 45 remaining) [2024-10-31 21:57:41,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (26 of 45 remaining) [2024-10-31 21:57:41,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (25 of 45 remaining) [2024-10-31 21:57:41,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (24 of 45 remaining) [2024-10-31 21:57:41,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (23 of 45 remaining) [2024-10-31 21:57:41,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (22 of 45 remaining) [2024-10-31 21:57:41,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (21 of 45 remaining) [2024-10-31 21:57:41,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 45 remaining) [2024-10-31 21:57:41,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 45 remaining) [2024-10-31 21:57:41,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (18 of 45 remaining) [2024-10-31 21:57:41,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (17 of 45 remaining) [2024-10-31 21:57:41,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (16 of 45 remaining) [2024-10-31 21:57:41,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (15 of 45 remaining) [2024-10-31 21:57:41,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (14 of 45 remaining) [2024-10-31 21:57:41,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (13 of 45 remaining) [2024-10-31 21:57:41,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (12 of 45 remaining) [2024-10-31 21:57:41,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (11 of 45 remaining) [2024-10-31 21:57:41,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (10 of 45 remaining) [2024-10-31 21:57:41,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 45 remaining) [2024-10-31 21:57:41,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (8 of 45 remaining) [2024-10-31 21:57:41,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 45 remaining) [2024-10-31 21:57:41,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (6 of 45 remaining) [2024-10-31 21:57:41,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 45 remaining) [2024-10-31 21:57:41,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (4 of 45 remaining) [2024-10-31 21:57:41,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (3 of 45 remaining) [2024-10-31 21:57:41,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (2 of 45 remaining) [2024-10-31 21:57:41,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (1 of 45 remaining) [2024-10-31 21:57:41,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (0 of 45 remaining) [2024-10-31 21:57:41,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:57:41,520 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 21:57:41,520 WARN L244 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-31 21:57:41,521 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-10-31 21:57:41,702 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 21:57:41,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 509 places, 648 transitions, 1324 flow [2024-10-31 21:57:42,031 INFO L124 PetriNetUnfolderBase]: 148/656 cut-off events. [2024-10-31 21:57:42,032 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-31 21:57:42,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 675 conditions, 656 events. 148/656 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 4577 event pairs, 0 based on Foata normal form. 0/459 useless extension candidates. Maximal degree in co-relation 642. Up to 10 conditions per place. [2024-10-31 21:57:42,072 INFO L82 GeneralOperation]: Start removeDead. Operand has 509 places, 648 transitions, 1324 flow [2024-10-31 21:57:42,107 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 509 places, 648 transitions, 1324 flow [2024-10-31 21:57:42,108 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:57:42,109 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;@638c8a2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:57:42,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-10-31 21:57:42,135 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:57:42,136 INFO L124 PetriNetUnfolderBase]: 2/75 cut-off events. [2024-10-31 21:57:42,136 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-31 21:57:42,137 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:42,137 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:42,137 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err6ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 52 more)] === [2024-10-31 21:57:42,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:42,138 INFO L85 PathProgramCache]: Analyzing trace with hash 688015526, now seen corresponding path program 1 times [2024-10-31 21:57:42,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:42,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818129978] [2024-10-31 21:57:42,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:42,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:42,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:42,368 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:42,369 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 21:57:42,369 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 56 remaining) [2024-10-31 21:57:42,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (54 of 56 remaining) [2024-10-31 21:57:42,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (53 of 56 remaining) [2024-10-31 21:57:42,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (52 of 56 remaining) [2024-10-31 21:57:42,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (51 of 56 remaining) [2024-10-31 21:57:42,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (50 of 56 remaining) [2024-10-31 21:57:42,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (49 of 56 remaining) [2024-10-31 21:57:42,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (48 of 56 remaining) [2024-10-31 21:57:42,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (47 of 56 remaining) [2024-10-31 21:57:42,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (46 of 56 remaining) [2024-10-31 21:57:42,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (45 of 56 remaining) [2024-10-31 21:57:42,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (44 of 56 remaining) [2024-10-31 21:57:42,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (43 of 56 remaining) [2024-10-31 21:57:42,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (42 of 56 remaining) [2024-10-31 21:57:42,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (41 of 56 remaining) [2024-10-31 21:57:42,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (40 of 56 remaining) [2024-10-31 21:57:42,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (39 of 56 remaining) [2024-10-31 21:57:42,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (38 of 56 remaining) [2024-10-31 21:57:42,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (37 of 56 remaining) [2024-10-31 21:57:42,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (36 of 56 remaining) [2024-10-31 21:57:42,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (35 of 56 remaining) [2024-10-31 21:57:42,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (34 of 56 remaining) [2024-10-31 21:57:42,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (33 of 56 remaining) [2024-10-31 21:57:42,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (32 of 56 remaining) [2024-10-31 21:57:42,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (31 of 56 remaining) [2024-10-31 21:57:42,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (30 of 56 remaining) [2024-10-31 21:57:42,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (29 of 56 remaining) [2024-10-31 21:57:42,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (28 of 56 remaining) [2024-10-31 21:57:42,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (27 of 56 remaining) [2024-10-31 21:57:42,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (26 of 56 remaining) [2024-10-31 21:57:42,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (25 of 56 remaining) [2024-10-31 21:57:42,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (24 of 56 remaining) [2024-10-31 21:57:42,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (23 of 56 remaining) [2024-10-31 21:57:42,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (22 of 56 remaining) [2024-10-31 21:57:42,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (21 of 56 remaining) [2024-10-31 21:57:42,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 56 remaining) [2024-10-31 21:57:42,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 56 remaining) [2024-10-31 21:57:42,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (18 of 56 remaining) [2024-10-31 21:57:42,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (17 of 56 remaining) [2024-10-31 21:57:42,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (16 of 56 remaining) [2024-10-31 21:57:42,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (15 of 56 remaining) [2024-10-31 21:57:42,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (14 of 56 remaining) [2024-10-31 21:57:42,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (13 of 56 remaining) [2024-10-31 21:57:42,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (12 of 56 remaining) [2024-10-31 21:57:42,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (11 of 56 remaining) [2024-10-31 21:57:42,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (10 of 56 remaining) [2024-10-31 21:57:42,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 56 remaining) [2024-10-31 21:57:42,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (8 of 56 remaining) [2024-10-31 21:57:42,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 56 remaining) [2024-10-31 21:57:42,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (6 of 56 remaining) [2024-10-31 21:57:42,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 56 remaining) [2024-10-31 21:57:42,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (4 of 56 remaining) [2024-10-31 21:57:42,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (3 of 56 remaining) [2024-10-31 21:57:42,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (2 of 56 remaining) [2024-10-31 21:57:42,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (1 of 56 remaining) [2024-10-31 21:57:42,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (0 of 56 remaining) [2024-10-31 21:57:42,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:57:42,382 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 21:57:42,383 WARN L244 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-31 21:57:42,383 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2024-10-31 21:57:42,534 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 21:57:42,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 635 places, 809 transitions, 1658 flow [2024-10-31 21:57:43,007 INFO L124 PetriNetUnfolderBase]: 185/819 cut-off events. [2024-10-31 21:57:43,007 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-10-31 21:57:43,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 845 conditions, 819 events. 185/819 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 6006 event pairs, 0 based on Foata normal form. 0/573 useless extension candidates. Maximal degree in co-relation 802. Up to 10 conditions per place. [2024-10-31 21:57:43,054 INFO L82 GeneralOperation]: Start removeDead. Operand has 635 places, 809 transitions, 1658 flow [2024-10-31 21:57:43,094 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 635 places, 809 transitions, 1658 flow [2024-10-31 21:57:43,095 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:57:43,096 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;@638c8a2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:57:43,096 INFO L334 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2024-10-31 21:57:43,118 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:57:43,118 INFO L124 PetriNetUnfolderBase]: 9/104 cut-off events. [2024-10-31 21:57:43,118 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-10-31 21:57:43,118 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:43,119 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:43,119 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err5ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err6ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2024-10-31 21:57:43,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:43,119 INFO L85 PathProgramCache]: Analyzing trace with hash 301492790, now seen corresponding path program 1 times [2024-10-31 21:57:43,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:43,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245043404] [2024-10-31 21:57:43,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:43,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:43,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:43,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:43,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245043404] [2024-10-31 21:57:43,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245043404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:43,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:43,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:43,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78553960] [2024-10-31 21:57:43,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:43,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:57:43,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:43,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:57:43,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:57:43,412 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 809 [2024-10-31 21:57:43,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 809 transitions, 1658 flow. Second operand has 2 states, 2 states have (on average 201.0) internal successors, (402), 2 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:43,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:43,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 809 [2024-10-31 21:57:43,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand