./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150d7023-2d17-4925-a3de-da9f0edf4ff6/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150d7023-2d17-4925-a3de-da9f0edf4ff6/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_150d7023-2d17-4925-a3de-da9f0edf4ff6/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150d7023-2d17-4925-a3de-da9f0edf4ff6/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150d7023-2d17-4925-a3de-da9f0edf4ff6/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_150d7023-2d17-4925-a3de-da9f0edf4ff6/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 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a --- 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 13:29:58,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:29:58,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:29:58,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:29:58,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:29:58,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:29:58,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:29:58,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:29:58,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:29:58,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:29:58,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:29:58,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:29:58,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:29:58,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:29:58,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:29:58,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:29:58,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:29:58,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:29:58,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:29:58,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:29:58,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:29:58,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:29:58,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:29:58,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:29:58,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:29:58,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:29:58,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:29:58,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:29:58,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:29:58,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:29:58,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:29:58,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:29:58,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:29:58,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:29:58,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:29:58,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:29:58,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:29:58,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:29:58,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:29:58,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:29:58,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:29:58,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150d7023-2d17-4925-a3de-da9f0edf4ff6/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 13:29:58,791 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:29:58,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:29:58,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:29:58,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:29:58,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:29:58,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:29:58,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:29:58,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:29:58,794 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:29:58,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:29:58,794 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:29:58,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:29:58,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:29:58,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:29:58,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:29:58,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:29:58,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:29:58,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:29:58,795 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 13:29:58,795 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:29:58,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:29:58,796 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:29:58,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:29:58,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:29:58,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:29:58,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:29:58,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:29:58,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:29:58,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:29:58,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:29:58,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:29:58,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:29:58,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:29:58,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:29:58,798 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:29:58,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:29:58,798 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:29:58,798 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_150d7023-2d17-4925-a3de-da9f0edf4ff6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150d7023-2d17-4925-a3de-da9f0edf4ff6/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a [2022-12-13 13:29:58,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:29:59,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:29:59,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:29:59,015 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:29:59,015 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:29:59,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150d7023-2d17-4925-a3de-da9f0edf4ff6/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2022-12-13 13:30:01,587 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:30:01,822 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:30:01,823 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150d7023-2d17-4925-a3de-da9f0edf4ff6/sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2022-12-13 13:30:01,836 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150d7023-2d17-4925-a3de-da9f0edf4ff6/bin/uautomizer-uyxdKDjOR8/data/3eee27c63/ee52cf339eb44a7caa53460ed8cc73e5/FLAGbe18fe415 [2022-12-13 13:30:02,164 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150d7023-2d17-4925-a3de-da9f0edf4ff6/bin/uautomizer-uyxdKDjOR8/data/3eee27c63/ee52cf339eb44a7caa53460ed8cc73e5 [2022-12-13 13:30:02,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:30:02,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:30:02,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:30:02,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:30:02,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:30:02,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:30:02" (1/1) ... [2022-12-13 13:30:02,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731df9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02, skipping insertion in model container [2022-12-13 13:30:02,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:30:02" (1/1) ... [2022-12-13 13:30:02,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:30:02,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:30:02,336 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_150d7023-2d17-4925-a3de-da9f0edf4ff6/sv-benchmarks/c/pthread-wmm/rfi002_tso.i[987,1000] [2022-12-13 13:30:02,479 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,512 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,512 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,535 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,548 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,555 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,556 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,556 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:30:02,593 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:30:02,604 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_150d7023-2d17-4925-a3de-da9f0edf4ff6/sv-benchmarks/c/pthread-wmm/rfi002_tso.i[987,1000] [2022-12-13 13:30:02,623 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,626 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,634 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,635 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,637 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,637 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,638 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,639 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,640 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,640 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,641 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,641 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,649 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,656 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,666 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,666 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:30:02,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:30:02,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:30:02,718 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:30:02,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02 WrapperNode [2022-12-13 13:30:02,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:30:02,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:30:02,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:30:02,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:30:02,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02" (1/1) ... [2022-12-13 13:30:02,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02" (1/1) ... [2022-12-13 13:30:02,805 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 2165 [2022-12-13 13:30:02,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:30:02,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:30:02,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:30:02,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:30:02,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02" (1/1) ... [2022-12-13 13:30:02,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02" (1/1) ... [2022-12-13 13:30:02,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02" (1/1) ... [2022-12-13 13:30:02,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02" (1/1) ... [2022-12-13 13:30:02,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02" (1/1) ... [2022-12-13 13:30:02,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02" (1/1) ... [2022-12-13 13:30:02,875 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02" (1/1) ... [2022-12-13 13:30:02,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02" (1/1) ... [2022-12-13 13:30:02,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:30:02,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:30:02,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:30:02,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:30:02,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02" (1/1) ... [2022-12-13 13:30:02,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:30:02,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150d7023-2d17-4925-a3de-da9f0edf4ff6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:30:02,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150d7023-2d17-4925-a3de-da9f0edf4ff6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:30:02,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150d7023-2d17-4925-a3de-da9f0edf4ff6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:30:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:30:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 13:30:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:30:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:30:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:30:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 13:30:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 13:30:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 13:30:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 13:30:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:30:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 13:30:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:30:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:30:02,984 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 13:30:03,152 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:30:03,155 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:30:04,856 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:34:51,324 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:34:51,324 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:34:51,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:34:51 BoogieIcfgContainer [2022-12-13 13:34:51,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:34:51,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:34:51,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:34:51,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:34:51,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:30:02" (1/3) ... [2022-12-13 13:34:51,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51281107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:34:51, skipping insertion in model container [2022-12-13 13:34:51,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:30:02" (2/3) ... [2022-12-13 13:34:51,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51281107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:34:51, skipping insertion in model container [2022-12-13 13:34:51,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:34:51" (3/3) ... [2022-12-13 13:34:51,333 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_tso.i [2022-12-13 13:34:51,341 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 13:34:51,351 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:34:51,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 594 error locations. [2022-12-13 13:34:51,351 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 13:35:16,112 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 13:35:16,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 714 places, 709 transitions, 1428 flow [2022-12-13 13:35:59,500 INFO L130 PetriNetUnfolder]: 2/707 cut-off events. [2022-12-13 13:35:59,501 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:35:59,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 707 events. 2/707 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5478 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 654. Up to 2 conditions per place. [2022-12-13 13:35:59,513 INFO L82 GeneralOperation]: Start removeDead. Operand has 714 places, 709 transitions, 1428 flow [2022-12-13 13:35:59,543 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 712 places, 707 transitions, 1420 flow [2022-12-13 13:35:59,546 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 13:35:59,553 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 712 places, 707 transitions, 1420 flow [2022-12-13 13:35:59,555 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 712 places, 707 transitions, 1420 flow [2022-12-13 13:35:59,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 712 places, 707 transitions, 1420 flow [2022-12-13 13:36:42,574 INFO L130 PetriNetUnfolder]: 2/707 cut-off events. [2022-12-13 13:36:42,574 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:36:42,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 707 events. 2/707 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5459 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 654. Up to 2 conditions per place. [2022-12-13 13:36:42,618 INFO L119 LiptonReduction]: Number of co-enabled transitions 270968 [2022-12-13 13:41:20,587 WARN L233 SmtUtils]: Spent 4.62m on a formula simplification. DAG size of input: 15158 DAG size of output: 1495 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)