./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix013.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix013.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39bd8ca48891731a487992488872bfabe93c299f5e64a0d2d763ed7464a4fc31 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:52:15,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:52:15,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:52:15,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:52:15,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:52:15,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:52:15,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:52:15,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:52:15,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:52:15,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:52:15,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:52:15,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:52:15,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:52:15,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:52:15,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:52:15,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:52:15,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:52:15,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:52:15,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:52:15,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:52:15,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:52:15,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:52:15,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:52:15,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:52:15,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:52:15,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:52:15,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:52:15,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:52:15,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:52:15,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:52:15,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:52:15,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:52:15,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:52:15,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:52:15,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:52:15,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:52:15,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:52:15,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:52:15,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:52:15,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:52:15,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:52:15,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-25 18:52:15,322 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:52:15,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:52:15,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:52:15,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:52:15,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:52:15,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:52:15,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:52:15,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:52:15,325 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:52:15,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:52:15,326 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:52:15,326 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:52:15,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:52:15,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:52:15,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:52:15,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:52:15,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:52:15,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:52:15,328 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 18:52:15,328 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:52:15,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:52:15,328 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:52:15,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:52:15,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:52:15,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:52:15,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-25 18:52:15,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:52:15,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:52:15,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:52:15,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:52:15,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:52:15,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:52:15,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:52:15,332 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:52:15,332 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:52:15,332 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:52:15,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:52:15,333 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:52:15,333 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:52:15,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39bd8ca48891731a487992488872bfabe93c299f5e64a0d2d763ed7464a4fc31 [2022-11-25 18:52:15,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:52:15,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:52:15,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:52:15,628 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:52:15,628 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:52:15,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/pthread-wmm/mix013.oepc.i [2022-11-25 18:52:18,963 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:52:19,236 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:52:19,237 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/sv-benchmarks/c/pthread-wmm/mix013.oepc.i [2022-11-25 18:52:19,265 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/data/0184db0d8/e9968d27ca084fe88830ac850bb0d05b/FLAG8d096a874 [2022-11-25 18:52:19,280 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/data/0184db0d8/e9968d27ca084fe88830ac850bb0d05b [2022-11-25 18:52:19,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:52:19,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:52:19,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:52:19,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:52:19,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:52:19,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:52:19" (1/1) ... [2022-11-25 18:52:19,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@451e1464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:19, skipping insertion in model container [2022-11-25 18:52:19,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:52:19" (1/1) ... [2022-11-25 18:52:19,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:52:19,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:52:19,531 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_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/sv-benchmarks/c/pthread-wmm/mix013.oepc.i[945,958] [2022-11-25 18:52:19,798 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,833 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,839 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,840 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,842 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,842 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,843 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,851 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,851 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,852 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,852 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,859 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,889 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,909 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,910 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,918 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,923 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,925 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:19,933 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:19,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:52:19,945 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:52:19,984 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_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/sv-benchmarks/c/pthread-wmm/mix013.oepc.i[945,958] [2022-11-25 18:52:20,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,058 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,132 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,133 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,142 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:20,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:20,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:52:20,201 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:52:20,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:20 WrapperNode [2022-11-25 18:52:20,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:52:20,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:52:20,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:52:20,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:52:20,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:20" (1/1) ... [2022-11-25 18:52:20,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:20" (1/1) ... [2022-11-25 18:52:20,332 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 527 [2022-11-25 18:52:20,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:52:20,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:52:20,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:52:20,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:52:20,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:20" (1/1) ... [2022-11-25 18:52:20,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:20" (1/1) ... [2022-11-25 18:52:20,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:20" (1/1) ... [2022-11-25 18:52:20,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:20" (1/1) ... [2022-11-25 18:52:20,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:20" (1/1) ... [2022-11-25 18:52:20,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:20" (1/1) ... [2022-11-25 18:52:20,429 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:20" (1/1) ... [2022-11-25 18:52:20,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:20" (1/1) ... [2022-11-25 18:52:20,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:52:20,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:52:20,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:52:20,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:52:20,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:20" (1/1) ... [2022-11-25 18:52:20,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:52:20,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:52:20,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:52:20,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:52:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:52:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 18:52:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:52:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:52:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:52:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 18:52:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 18:52:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 18:52:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 18:52:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 18:52:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 18:52:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-25 18:52:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-25 18:52:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:52:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 18:52:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:52:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:52:20,534 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:52:20,742 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:52:20,744 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:52:22,528 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:52:45,499 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:52:45,499 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:52:45,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:52:45 BoogieIcfgContainer [2022-11-25 18:52:45,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:52:45,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:52:45,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:52:45,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:52:45,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:52:19" (1/3) ... [2022-11-25 18:52:45,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4b590d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:52:45, skipping insertion in model container [2022-11-25 18:52:45,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:20" (2/3) ... [2022-11-25 18:52:45,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4b590d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:52:45, skipping insertion in model container [2022-11-25 18:52:45,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:52:45" (3/3) ... [2022-11-25 18:52:45,514 INFO L112 eAbstractionObserver]: Analyzing ICFG mix013.oepc.i [2022-11-25 18:52:45,526 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:52:45,538 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:52:45,538 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 287 error locations. [2022-11-25 18:52:45,539 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:52:51,204 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 18:52:51,253 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:52:51,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:52:51,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:52:51,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:52:51,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-25 18:52:51,343 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:52:51,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork2 ======== [2022-11-25 18:52:51,382 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=PARTIAL_ORDER_FA, 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;@97501d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:52:51,382 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-11-25 18:53:20,395 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONDATA_RACE === [P2Err0ASSERT_VIOLATIONDATA_RACE, P2Err1ASSERT_VIOLATIONDATA_RACE, P2Err2ASSERT_VIOLATIONDATA_RACE, P2Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2022-11-25 18:53:20,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:53:20,404 INFO L85 PathProgramCache]: Analyzing trace with hash -486063363, now seen corresponding path program 1 times [2022-11-25 18:53:20,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:53:20,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985472363] [2022-11-25 18:53:20,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:53:20,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:53:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:53:20,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:53:20,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:53:20,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985472363] [2022-11-25 18:53:20,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985472363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:53:20,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:53:20,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:53:20,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502280755] [2022-11-25 18:53:20,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:53:20,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:53:20,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:53:20,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:53:20,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:53:20,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:20,909 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:53:20,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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) [2022-11-25 18:53:20,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:28,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:28,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (32 of 33 remaining) [2022-11-25 18:53:28,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2022-11-25 18:53:28,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2022-11-25 18:53:28,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2022-11-25 18:53:28,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2022-11-25 18:53:28,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err6ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2022-11-25 18:53:28,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2022-11-25 18:53:28,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err7ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2022-11-25 18:53:28,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err8ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2022-11-25 18:53:28,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err9ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2022-11-25 18:53:28,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err10ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2022-11-25 18:53:28,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err11ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2022-11-25 18:53:28,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err12ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2022-11-25 18:53:28,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err13ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2022-11-25 18:53:28,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err14ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2022-11-25 18:53:28,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err15ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2022-11-25 18:53:28,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err16ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2022-11-25 18:53:28,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err17ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2022-11-25 18:53:28,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err18ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2022-11-25 18:53:28,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err19ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2022-11-25 18:53:28,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err20ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2022-11-25 18:53:28,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err21ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2022-11-25 18:53:28,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err22ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2022-11-25 18:53:28,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err23ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2022-11-25 18:53:28,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err24ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2022-11-25 18:53:28,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err25ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2022-11-25 18:53:28,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err26ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2022-11-25 18:53:28,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err27ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2022-11-25 18:53:28,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err28ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2022-11-25 18:53:28,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err29ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2022-11-25 18:53:28,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err30ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2022-11-25 18:53:28,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err31ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2022-11-25 18:53:28,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err32ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2022-11-25 18:53:28,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:53:28,791 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 18:53:28,796 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork2 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/5) [2022-11-25 18:53:28,806 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:53:28,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:53:28,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:53:28,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:53:28,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-25 18:53:28,835 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:53:28,836 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-25 18:53:28,836 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=PARTIAL_ORDER_FA, 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;@97501d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:53:28,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2022-11-25 18:53:51,831 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2022-11-25 18:53:51,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:53:51,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1298139372, now seen corresponding path program 1 times [2022-11-25 18:53:51,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:53:51,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452214918] [2022-11-25 18:53:51,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:53:51,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:53:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:53:52,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:53:52,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:53:52,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452214918] [2022-11-25 18:53:52,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452214918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:53:52,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:53:52,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 18:53:52,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007816551] [2022-11-25 18:53:52,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:53:52,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:53:52,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:53:52,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:53:52,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:53:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:52,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:53:52,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 74.0) internal successors, (74), 2 states have internal predecessors, (74), 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) [2022-11-25 18:53:52,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:52,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:52,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:53:52,264 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2022-11-25 18:53:52,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:53:52,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1971639465, now seen corresponding path program 1 times [2022-11-25 18:53:52,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:53:52,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647447822] [2022-11-25 18:53:52,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:53:52,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:53:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:53:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:53:52,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:53:52,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647447822] [2022-11-25 18:53:52,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647447822] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:53:52,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:53:52,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:53:52,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009041012] [2022-11-25 18:53:52,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:53:52,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:53:52,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:53:52,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:53:52,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:53:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:52,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:53:52,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 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) [2022-11-25 18:53:52,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:52,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:55,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:55,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:53:55,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:53:55,500 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2022-11-25 18:53:55,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:53:55,501 INFO L85 PathProgramCache]: Analyzing trace with hash 544418944, now seen corresponding path program 1 times [2022-11-25 18:53:55,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:53:55,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177799826] [2022-11-25 18:53:55,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:53:55,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:53:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:53:55,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:53:55,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:53:55,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177799826] [2022-11-25 18:53:55,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177799826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:53:55,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:53:55,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:53:55,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970427447] [2022-11-25 18:53:55,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:53:55,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:53:55,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:53:55,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:53:55,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:53:55,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:55,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:53:55,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 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) [2022-11-25 18:53:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:53:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:57,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:57,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:53:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:53:57,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 43 remaining) [2022-11-25 18:53:57,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 43 remaining) [2022-11-25 18:53:57,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 43 remaining) [2022-11-25 18:53:57,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 43 remaining) [2022-11-25 18:53:57,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 43 remaining) [2022-11-25 18:53:57,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 43 remaining) [2022-11-25 18:53:57,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 43 remaining) [2022-11-25 18:53:57,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 43 remaining) [2022-11-25 18:53:57,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 43 remaining) [2022-11-25 18:53:57,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 43 remaining) [2022-11-25 18:53:57,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 43 remaining) [2022-11-25 18:53:57,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 43 remaining) [2022-11-25 18:53:57,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (30 of 43 remaining) [2022-11-25 18:53:57,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (29 of 43 remaining) [2022-11-25 18:53:57,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (28 of 43 remaining) [2022-11-25 18:53:57,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (27 of 43 remaining) [2022-11-25 18:53:57,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (26 of 43 remaining) [2022-11-25 18:53:57,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (25 of 43 remaining) [2022-11-25 18:53:57,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (24 of 43 remaining) [2022-11-25 18:53:57,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (23 of 43 remaining) [2022-11-25 18:53:57,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (22 of 43 remaining) [2022-11-25 18:53:57,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (21 of 43 remaining) [2022-11-25 18:53:57,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (20 of 43 remaining) [2022-11-25 18:53:57,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (19 of 43 remaining) [2022-11-25 18:53:57,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (18 of 43 remaining) [2022-11-25 18:53:57,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (17 of 43 remaining) [2022-11-25 18:53:57,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (16 of 43 remaining) [2022-11-25 18:53:57,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (15 of 43 remaining) [2022-11-25 18:53:57,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (14 of 43 remaining) [2022-11-25 18:53:57,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (13 of 43 remaining) [2022-11-25 18:53:57,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (12 of 43 remaining) [2022-11-25 18:53:57,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (11 of 43 remaining) [2022-11-25 18:53:57,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (10 of 43 remaining) [2022-11-25 18:53:57,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (9 of 43 remaining) [2022-11-25 18:53:57,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (8 of 43 remaining) [2022-11-25 18:53:57,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (7 of 43 remaining) [2022-11-25 18:53:57,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (6 of 43 remaining) [2022-11-25 18:53:57,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (5 of 43 remaining) [2022-11-25 18:53:57,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (4 of 43 remaining) [2022-11-25 18:53:57,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 43 remaining) [2022-11-25 18:53:57,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 43 remaining) [2022-11-25 18:53:57,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 43 remaining) [2022-11-25 18:53:57,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 43 remaining) [2022-11-25 18:53:57,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:53:57,566 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 18:53:57,566 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/5) [2022-11-25 18:53:57,570 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:53:57,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:53:57,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:53:57,574 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:53:57,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7c5ffa-2409-461a-9fb9-7e1530a75d22/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-11-25 18:53:57,581 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:53:57,581 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork1 ======== [2022-11-25 18:53:57,582 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=PARTIAL_ORDER_FA, 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;@97501d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:53:57,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-11-25 18:54:22,342 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONDATA_RACE === [P1Err0ASSERT_VIOLATIONDATA_RACE, P1Err1ASSERT_VIOLATIONDATA_RACE, P1Err2ASSERT_VIOLATIONDATA_RACE, P1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2022-11-25 18:54:22,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:54:22,343 INFO L85 PathProgramCache]: Analyzing trace with hash -643771574, now seen corresponding path program 1 times [2022-11-25 18:54:22,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:54:22,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189438869] [2022-11-25 18:54:22,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:54:22,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:54:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:54:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:54:22,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:54:22,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189438869] [2022-11-25 18:54:22,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189438869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:54:22,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:54:22,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:54:22,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695455868] [2022-11-25 18:54:22,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:54:22,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:54:22,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:54:22,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:54:22,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:54:22,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:54:22,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:54:22,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2022-11-25 18:54:22,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.