./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix016.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_42e191c7-a539-4fd4-9e64-d1f5386bf774/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e191c7-a539-4fd4-9e64-d1f5386bf774/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_42e191c7-a539-4fd4-9e64-d1f5386bf774/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e191c7-a539-4fd4-9e64-d1f5386bf774/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix016.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e191c7-a539-4fd4-9e64-d1f5386bf774/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_42e191c7-a539-4fd4-9e64-d1f5386bf774/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 19a854e56177f3540c5827f949efdd83ec94b87c6cd0ec772115563b836c4c8b --- 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 17:56:44,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:56:44,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:56:44,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:56:44,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:56:44,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:56:44,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:56:44,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:56:44,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:56:44,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:56:44,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:56:44,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:56:44,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:56:44,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:56:44,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:56:44,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:56:44,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:56:44,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:56:44,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:56:44,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:56:44,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:56:44,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:56:44,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:56:44,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:56:44,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:56:44,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:56:44,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:56:44,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:56:44,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:56:44,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:56:44,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:56:44,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:56:44,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:56:44,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:56:44,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:56:44,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:56:44,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:56:44,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:56:44,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:56:44,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:56:44,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:56:44,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e191c7-a539-4fd4-9e64-d1f5386bf774/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 17:56:44,905 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:56:44,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:56:44,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:56:44,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:56:44,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:56:44,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:56:44,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:56:44,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:56:44,916 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:56:44,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:56:44,917 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:56:44,917 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:56:44,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:56:44,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:56:44,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:56:44,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:56:44,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:56:44,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:56:44,920 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 17:56:44,920 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:56:44,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:56:44,921 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:56:44,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:56:44,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:56:44,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:56:44,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:56:44,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:56:44,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:56:44,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:56:44,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:56:44,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:56:44,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:56:44,925 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:56:44,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:56:44,925 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:56:44,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:56:44,927 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_42e191c7-a539-4fd4-9e64-d1f5386bf774/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e191c7-a539-4fd4-9e64-d1f5386bf774/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19a854e56177f3540c5827f949efdd83ec94b87c6cd0ec772115563b836c4c8b [2022-11-25 17:56:45,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:56:45,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:56:45,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:56:45,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:56:45,302 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:56:45,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e191c7-a539-4fd4-9e64-d1f5386bf774/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread-wmm/mix016.oepc.i [2022-11-25 17:56:48,489 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:56:48,813 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:56:48,818 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e191c7-a539-4fd4-9e64-d1f5386bf774/sv-benchmarks/c/pthread-wmm/mix016.oepc.i [2022-11-25 17:56:48,835 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e191c7-a539-4fd4-9e64-d1f5386bf774/bin/uautomizer-ZsLfNo2U6R/data/288f9f80e/85189bc103434a3b871842bca654cc3e/FLAG001fa5a1b [2022-11-25 17:56:48,854 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e191c7-a539-4fd4-9e64-d1f5386bf774/bin/uautomizer-ZsLfNo2U6R/data/288f9f80e/85189bc103434a3b871842bca654cc3e [2022-11-25 17:56:48,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:56:48,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:56:48,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:56:48,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:56:48,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:56:48,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:56:48" (1/1) ... [2022-11-25 17:56:48,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acdd2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:48, skipping insertion in model container [2022-11-25 17:56:48,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:56:48" (1/1) ... [2022-11-25 17:56:48,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:56:48,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:56:49,172 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_42e191c7-a539-4fd4-9e64-d1f5386bf774/sv-benchmarks/c/pthread-wmm/mix016.oepc.i[945,958] [2022-11-25 17:56:49,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,362 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,363 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,379 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,379 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,380 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,388 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,390 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,405 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,413 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,451 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,451 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,452 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,464 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,469 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,470 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,487 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,488 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,489 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:56:49,501 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:56:49,513 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_42e191c7-a539-4fd4-9e64-d1f5386bf774/sv-benchmarks/c/pthread-wmm/mix016.oepc.i[945,958] [2022-11-25 17:56:49,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,579 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,580 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,580 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,581 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,581 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,587 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,588 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,588 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,588 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,589 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,589 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,599 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,612 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,612 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:56:49,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:56:49,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:56:49,650 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:56:49,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:49 WrapperNode [2022-11-25 17:56:49,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:56:49,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:56:49,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:56:49,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:56:49,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:49" (1/1) ... [2022-11-25 17:56:49,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:49" (1/1) ... [2022-11-25 17:56:49,736 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 492 [2022-11-25 17:56:49,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:56:49,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:56:49,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:56:49,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:56:49,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:49" (1/1) ... [2022-11-25 17:56:49,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:49" (1/1) ... [2022-11-25 17:56:49,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:49" (1/1) ... [2022-11-25 17:56:49,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:49" (1/1) ... [2022-11-25 17:56:49,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:49" (1/1) ... [2022-11-25 17:56:49,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:49" (1/1) ... [2022-11-25 17:56:49,824 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:49" (1/1) ... [2022-11-25 17:56:49,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:49" (1/1) ... [2022-11-25 17:56:49,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:56:49,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:56:49,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:56:49,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:56:49,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:49" (1/1) ... [2022-11-25 17:56:49,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:56:49,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e191c7-a539-4fd4-9e64-d1f5386bf774/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:56:49,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e191c7-a539-4fd4-9e64-d1f5386bf774/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:56:49,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e191c7-a539-4fd4-9e64-d1f5386bf774/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:56:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:56:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 17:56:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:56:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:56:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:56:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 17:56:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 17:56:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 17:56:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 17:56:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 17:56:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 17:56:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:56:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 17:56:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:56:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:56:49,943 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 17:56:50,221 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:56:50,222 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:56:51,586 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:58:25,801 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:58:25,801 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:58:25,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:58:25 BoogieIcfgContainer [2022-11-25 17:58:25,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:58:25,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:58:25,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:58:25,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:58:25,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:56:48" (1/3) ... [2022-11-25 17:58:25,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f98d3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:58:25, skipping insertion in model container [2022-11-25 17:58:25,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:49" (2/3) ... [2022-11-25 17:58:25,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f98d3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:58:25, skipping insertion in model container [2022-11-25 17:58:25,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:58:25" (3/3) ... [2022-11-25 17:58:25,813 INFO L112 eAbstractionObserver]: Analyzing ICFG mix016.oepc.i [2022-11-25 17:58:25,823 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 17:58:25,833 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:58:25,834 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 248 error locations. [2022-11-25 17:58:25,834 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:58:36,310 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 17:58:36,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 376 places, 368 transitions, 751 flow [2022-11-25 17:58:42,982 INFO L130 PetriNetUnfolder]: 2/365 cut-off events. [2022-11-25 17:58:42,982 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:58:42,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 365 events. 2/365 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2002 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 324. Up to 2 conditions per place. [2022-11-25 17:58:42,994 INFO L82 GeneralOperation]: Start removeDead. Operand has 376 places, 368 transitions, 751 flow [2022-11-25 17:58:43,011 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 373 places, 365 transitions, 739 flow [2022-11-25 17:58:43,015 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 17:58:43,029 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 373 places, 365 transitions, 739 flow [2022-11-25 17:58:43,032 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 373 places, 365 transitions, 739 flow [2022-11-25 17:58:43,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 373 places, 365 transitions, 739 flow [2022-11-25 17:58:48,888 INFO L130 PetriNetUnfolder]: 2/365 cut-off events. [2022-11-25 17:58:48,889 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:58:48,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 365 events. 2/365 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1997 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 324. Up to 2 conditions per place. [2022-11-25 17:58:48,920 INFO L119 LiptonReduction]: Number of co-enabled transitions 66930