./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8 --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 cbb513b70df4783d73c8ce937f205ecfc8e5e869592c62a4af16bc0bc109e7a4 --- 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-2329fc7 [2022-12-13 13:17:07,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:17:07,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:17:07,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:17:07,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:17:07,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:17:07,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:17:07,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:17:07,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:17:07,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:17:07,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:17:07,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:17:07,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:17:07,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:17:07,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:17:07,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:17:07,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:17:07,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:17:07,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:17:07,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:17:07,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:17:07,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:17:07,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:17:07,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:17:07,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:17:07,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:17:07,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:17:07,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:17:07,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:17:07,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:17:07,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:17:07,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:17:07,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:17:07,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:17:07,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:17:07,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:17:07,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:17:07,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:17:07,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:17:07,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:17:07,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:17:07,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 13:17:08,020 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:17:08,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:17:08,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:17:08,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:17:08,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:17:08,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:17:08,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:17:08,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:17:08,023 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:17:08,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:17:08,023 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:17:08,023 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:17:08,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:17:08,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:17:08,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:17:08,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:17:08,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:17:08,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:17:08,024 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 13:17:08,025 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:17:08,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:17:08,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:17:08,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:17:08,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:17:08,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:17:08,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:17:08,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:17:08,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:17:08,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:17:08,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:17:08,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:17:08,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:17:08,027 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:17:08,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:17:08,027 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:17:08,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:17:08,028 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:17:08,028 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_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbb513b70df4783d73c8ce937f205ecfc8e5e869592c62a4af16bc0bc109e7a4 [2022-12-13 13:17:08,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:17:08,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:17:08,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:17:08,248 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:17:08,248 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:17:08,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i [2022-12-13 13:17:10,930 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:17:11,154 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:17:11,155 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i [2022-12-13 13:17:11,172 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8/data/109b64dfb/ccb3a6f0ca354497a3f1fda005b10d6d/FLAGea248db36 [2022-12-13 13:17:11,184 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8/data/109b64dfb/ccb3a6f0ca354497a3f1fda005b10d6d [2022-12-13 13:17:11,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:17:11,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:17:11,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:17:11,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:17:11,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:17:11,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:17:11" (1/1) ... [2022-12-13 13:17:11,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465e8fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11, skipping insertion in model container [2022-12-13 13:17:11,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:17:11" (1/1) ... [2022-12-13 13:17:11,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:17:11,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:17:11,392 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_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i[978,991] [2022-12-13 13:17:11,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,524 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,524 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,524 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,525 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,530 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,577 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,578 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,579 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:17:11,590 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:17:11,600 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_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i[978,991] [2022-12-13 13:17:11,623 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,625 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,625 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,626 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,626 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,632 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,632 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,632 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,633 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,636 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,637 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,637 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,638 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,638 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,638 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,650 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,650 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,654 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,654 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:17:11,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:17:11,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:17:11,709 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:17:11,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11 WrapperNode [2022-12-13 13:17:11,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:17:11,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:17:11,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:17:11,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:17:11,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11" (1/1) ... [2022-12-13 13:17:11,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11" (1/1) ... [2022-12-13 13:17:11,774 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 482 [2022-12-13 13:17:11,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:17:11,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:17:11,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:17:11,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:17:11,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11" (1/1) ... [2022-12-13 13:17:11,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11" (1/1) ... [2022-12-13 13:17:11,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11" (1/1) ... [2022-12-13 13:17:11,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11" (1/1) ... [2022-12-13 13:17:11,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11" (1/1) ... [2022-12-13 13:17:11,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11" (1/1) ... [2022-12-13 13:17:11,829 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11" (1/1) ... [2022-12-13 13:17:11,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11" (1/1) ... [2022-12-13 13:17:11,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:17:11,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:17:11,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:17:11,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:17:11,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11" (1/1) ... [2022-12-13 13:17:11,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:17:11,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:17:11,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:17:11,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c0c3e9-2ce1-4519-a86a-0a4e42fec7b0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:17:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:17:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 13:17:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:17:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:17:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:17:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 13:17:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 13:17:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 13:17:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 13:17:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 13:17:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 13:17:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:17:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 13:17:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:17:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:17:11,914 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 13:17:12,092 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:17:12,094 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:17:12,977 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:21:12,617 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:21:12,617 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:21:12,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:21:12 BoogieIcfgContainer [2022-12-13 13:21:12,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:21:12,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:21:12,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:21:12,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:21:12,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:17:11" (1/3) ... [2022-12-13 13:21:12,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:21:12, skipping insertion in model container [2022-12-13 13:21:12,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:17:11" (2/3) ... [2022-12-13 13:21:12,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:21:12, skipping insertion in model container [2022-12-13 13:21:12,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:21:12" (3/3) ... [2022-12-13 13:21:12,627 INFO L112 eAbstractionObserver]: Analyzing ICFG safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i [2022-12-13 13:21:12,635 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 13:21:12,641 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:21:12,642 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 244 error locations. [2022-12-13 13:21:12,642 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 13:21:35,737 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 13:21:35,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 369 places, 361 transitions, 737 flow [2022-12-13 13:21:50,365 INFO L130 PetriNetUnfolder]: 2/358 cut-off events. [2022-12-13 13:21:50,365 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:21:50,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 358 events. 2/358 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1960 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 319. Up to 2 conditions per place. [2022-12-13 13:21:50,372 INFO L82 GeneralOperation]: Start removeDead. Operand has 369 places, 361 transitions, 737 flow [2022-12-13 13:21:50,382 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 366 places, 358 transitions, 725 flow [2022-12-13 13:21:50,385 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 13:21:50,392 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 366 places, 358 transitions, 725 flow [2022-12-13 13:21:50,394 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 366 places, 358 transitions, 725 flow [2022-12-13 13:21:50,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 366 places, 358 transitions, 725 flow [2022-12-13 13:22:04,607 INFO L130 PetriNetUnfolder]: 2/358 cut-off events. [2022-12-13 13:22:04,607 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:22:04,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 358 events. 2/358 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1952 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 319. Up to 2 conditions per place. [2022-12-13 13:22:04,623 INFO L119 LiptonReduction]: Number of co-enabled transitions 64732 [2022-12-13 13:22:20,036 INFO L134 LiptonReduction]: Checked pairs total: 548114 [2022-12-13 13:22:20,036 INFO L136 LiptonReduction]: Total number of compositions: 206 [2022-12-13 13:22:20,046 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:22:20,050 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@7cc94f2b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:22:20,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 455 error locations. [2022-12-13 13:22:20,052 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2022-12-13 13:22:20,052 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:22:20,053 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:22:20,053 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 13:22:20,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err4ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 451 more)] === [2022-12-13 13:22:20,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:22:20,057 INFO L85 PathProgramCache]: Analyzing trace with hash 8208525, now seen corresponding path program 1 times [2022-12-13 13:22:20,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:22:20,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62303916] [2022-12-13 13:22:20,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:22:20,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:22:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:22:21,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:22:21,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:22:21,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62303916] [2022-12-13 13:22:21,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62303916] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:22:21,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:22:21,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 13:22:21,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493161245] [2022-12-13 13:22:21,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:22:21,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 13:22:21,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:22:21,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:22:21,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:22:21,277 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 567 [2022-12-13 13:22:21,278 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 265 transitions, 539 flow. Second operand has 2 states, 2 states have (on average 99.5) internal successors, (199), 2 states have internal predecessors, (199), 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) [2022-12-13 13:22:21,278 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:22:21,278 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 567 [2022-12-13 13:22:21,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand