./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d6f4376125179246714b78f2e2f349c8b75c8c24c937ac142dcf7789f615522d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:22:13,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:22:13,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:22:13,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:22:13,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:22:13,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:22:13,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:22:13,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:22:13,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:22:13,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:22:13,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:22:13,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:22:13,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:22:13,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:22:13,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:22:13,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:22:13,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:22:13,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:22:13,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:22:13,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:22:13,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:22:13,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:22:13,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:22:13,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:22:13,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:22:13,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:22:13,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:22:13,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:22:13,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:22:13,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:22:13,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:22:13,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:22:13,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:22:13,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:22:13,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:22:13,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:22:13,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:22:13,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:22:13,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:22:13,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:22:13,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:22:13,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 18:22:13,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:22:13,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:22:13,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:22:13,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:22:13,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:22:13,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:22:13,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:22:13,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:22:13,965 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:22:13,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:22:13,966 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:22:13,966 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:22:13,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:22:13,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:22:13,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:22:13,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:22:13,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:22:13,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:22:13,969 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 18:22:13,969 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:22:13,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:22:13,970 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:22:13,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:22:13,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:22:13,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:22:13,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:22:13,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:22:13,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:22:13,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:22:13,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:22:13,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:22:13,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:22:13,974 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:22:13,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:22:13,975 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:22:13,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:22:13,976 INFO L138 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_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6f4376125179246714b78f2e2f349c8b75c8c24c937ac142dcf7789f615522d [2022-11-25 18:22:14,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:22:14,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:22:14,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:22:14,407 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:22:14,407 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:22:14,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i [2022-11-25 18:22:18,015 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:22:18,413 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:22:18,419 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i [2022-11-25 18:22:18,442 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R/data/8de4f194d/b8772642a5664d5ebb8cc46f50b6b8f6/FLAGff86c3aec [2022-11-25 18:22:18,461 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R/data/8de4f194d/b8772642a5664d5ebb8cc46f50b6b8f6 [2022-11-25 18:22:18,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:22:18,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:22:18,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:22:18,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:22:18,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:22:18,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:22:18" (1/1) ... [2022-11-25 18:22:18,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb1a42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:18, skipping insertion in model container [2022-11-25 18:22:18,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:22:18" (1/1) ... [2022-11-25 18:22:18,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:22:18,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:22:18,732 WARN L237 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_444ec79d-c91e-4e61-9f61-8d925a55ab8a/sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i[949,962] [2022-11-25 18:22:18,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:18,948 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:18,949 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:18,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:18,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:18,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:18,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:18,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:18,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:18,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:18,968 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:18,968 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:18,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:18,976 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:18,977 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:18,978 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:18,979 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:18,980 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:18,980 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:18,981 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:18,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:18,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:18,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:18,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:18,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:18,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:22:19,099 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:22:19,122 WARN L237 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_444ec79d-c91e-4e61-9f61-8d925a55ab8a/sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i[949,962] [2022-11-25 18:22:19,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,158 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,159 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,174 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,175 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,175 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,176 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,176 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,189 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,197 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,197 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:22:19,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:22:19,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:22:19,262 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:22:19,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:19 WrapperNode [2022-11-25 18:22:19,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:22:19,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:22:19,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:22:19,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:22:19,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:19" (1/1) ... [2022-11-25 18:22:19,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:19" (1/1) ... [2022-11-25 18:22:19,441 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 936 [2022-11-25 18:22:19,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:22:19,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:22:19,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:22:19,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:22:19,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:19" (1/1) ... [2022-11-25 18:22:19,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:19" (1/1) ... [2022-11-25 18:22:19,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:19" (1/1) ... [2022-11-25 18:22:19,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:19" (1/1) ... [2022-11-25 18:22:19,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:19" (1/1) ... [2022-11-25 18:22:19,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:19" (1/1) ... [2022-11-25 18:22:19,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:19" (1/1) ... [2022-11-25 18:22:19,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:19" (1/1) ... [2022-11-25 18:22:19,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:22:19,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:22:19,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:22:19,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:22:19,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:19" (1/1) ... [2022-11-25 18:22:19,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:22:19,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:19,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:22:19,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ec79d-c91e-4e61-9f61-8d925a55ab8a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:22:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:22:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 18:22:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:22:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:22:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:22:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 18:22:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 18:22:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 18:22:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 18:22:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 18:22:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 18:22:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:22:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 18:22:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:22:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:22:19,784 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:22:20,098 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:22:20,100 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:22:22,301 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:22:51,738 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:22:51,739 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:22:51,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:22:51 BoogieIcfgContainer [2022-11-25 18:22:51,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:22:51,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:22:51,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:22:51,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:22:51,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:22:18" (1/3) ... [2022-11-25 18:22:51,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9b2dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:22:51, skipping insertion in model container [2022-11-25 18:22:51,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:19" (2/3) ... [2022-11-25 18:22:51,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9b2dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:22:51, skipping insertion in model container [2022-11-25 18:22:51,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:22:51" (3/3) ... [2022-11-25 18:22:51,754 INFO L112 eAbstractionObserver]: Analyzing ICFG mix019_tso.oepc.i [2022-11-25 18:22:51,766 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:22:51,779 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:22:51,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 247 error locations. [2022-11-25 18:22:51,780 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:22:54,996 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 18:22:55,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 374 places, 366 transitions, 747 flow [2022-11-25 18:22:56,820 INFO L130 PetriNetUnfolder]: 2/363 cut-off events. [2022-11-25 18:22:56,821 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:22:56,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 363 events. 2/363 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2005 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 323. Up to 2 conditions per place. [2022-11-25 18:22:56,833 INFO L82 GeneralOperation]: Start removeDead. Operand has 374 places, 366 transitions, 747 flow [2022-11-25 18:22:56,853 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 371 places, 363 transitions, 735 flow [2022-11-25 18:22:56,857 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 18:22:56,879 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 371 places, 363 transitions, 735 flow [2022-11-25 18:22:56,887 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 371 places, 363 transitions, 735 flow [2022-11-25 18:22:56,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 371 places, 363 transitions, 735 flow [2022-11-25 18:22:58,387 INFO L130 PetriNetUnfolder]: 2/363 cut-off events. [2022-11-25 18:22:58,387 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:22:58,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 363 events. 2/363 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2013 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 323. Up to 2 conditions per place. [2022-11-25 18:22:58,415 INFO L119 LiptonReduction]: Number of co-enabled transitions 60506 [2022-11-25 18:24:26,395 WARN L233 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 1798 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:24:37,162 WARN L233 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 1837 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:24:49,275 WARN L233 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 1850 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:25:01,455 WARN L233 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 1835 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:25:43,979 WARN L233 SmtUtils]: Spent 9.72s on a formula simplification. DAG size of input: 2324 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:25:54,126 WARN L233 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 2324 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:26:03,298 WARN L233 SmtUtils]: Spent 8.97s on a formula simplification. DAG size of input: 2361 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:26:15,677 WARN L233 SmtUtils]: Spent 12.29s on a formula simplification. DAG size of input: 2348 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:26:30,326 WARN L233 SmtUtils]: Spent 14.24s on a formula simplification. DAG size of input: 2980 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:26:45,513 WARN L233 SmtUtils]: Spent 15.05s on a formula simplification. DAG size of input: 3012 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)