./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro --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 36c3c3dc239d6629a8ba20aca175d79c45880ab21458cd8ebdaac3a8ef359066 --- 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-8393723 [2022-11-18 20:09:22,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:09:22,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:09:22,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:09:22,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:09:22,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:09:22,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:09:22,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:09:22,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:09:22,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:09:22,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:09:22,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:09:22,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:09:22,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:09:22,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:09:22,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:09:22,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:09:22,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:09:22,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:09:22,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:09:22,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:09:22,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:09:22,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:09:22,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:09:22,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:09:22,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:09:22,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:09:22,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:09:22,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:09:22,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:09:22,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:09:22,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:09:22,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:09:22,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:09:22,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:09:22,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:09:22,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:09:22,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:09:22,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:09:22,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:09:22,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:09:22,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 20:09:22,575 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:09:22,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:09:22,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:09:22,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:09:22,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:09:22,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:09:22,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:09:22,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:09:22,580 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:09:22,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:09:22,581 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:09:22,582 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:09:22,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:09:22,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:09:22,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:09:22,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:09:22,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:09:22,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:09:22,583 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 20:09:22,584 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:09:22,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:09:22,584 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:09:22,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:09:22,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:09:22,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:09:22,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:09:22,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:09:22,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:09:22,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:09:22,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:09:22,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:09:22,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:09:22,588 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:09:22,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:09:22,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:09:22,588 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_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36c3c3dc239d6629a8ba20aca175d79c45880ab21458cd8ebdaac3a8ef359066 [2022-11-18 20:09:22,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:09:22,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:09:22,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:09:22,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:09:22,982 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:09:22,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i [2022-11-18 20:09:23,071 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/data/cc102dbde/af3c8e2e108d4cf282dba8f6abca5c4f/FLAG8aa345ca8 [2022-11-18 20:09:23,630 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:09:23,631 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i [2022-11-18 20:09:23,643 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/data/cc102dbde/af3c8e2e108d4cf282dba8f6abca5c4f/FLAG8aa345ca8 [2022-11-18 20:09:23,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/data/cc102dbde/af3c8e2e108d4cf282dba8f6abca5c4f [2022-11-18 20:09:23,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:09:23,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:09:23,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:09:23,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:09:23,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:09:23,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:09:23" (1/1) ... [2022-11-18 20:09:23,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d908e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:23, skipping insertion in model container [2022-11-18 20:09:23,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:09:23" (1/1) ... [2022-11-18 20:09:23,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:09:23,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:09:24,175 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:09:24,356 WARN L234 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_044f9655-2570-4615-afe3-44d1df7747c5/sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i[30416,30429] [2022-11-18 20:09:24,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:09:24,384 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:09:24,413 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:09:24,458 WARN L234 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_044f9655-2570-4615-afe3-44d1df7747c5/sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i[30416,30429] [2022-11-18 20:09:24,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:09:24,531 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:09:24,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:24 WrapperNode [2022-11-18 20:09:24,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:09:24,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:09:24,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:09:24,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:09:24,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:24" (1/1) ... [2022-11-18 20:09:24,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:24" (1/1) ... [2022-11-18 20:09:24,611 INFO L138 Inliner]: procedures = 169, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2022-11-18 20:09:24,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:09:24,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:09:24,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:09:24,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:09:24,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:24" (1/1) ... [2022-11-18 20:09:24,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:24" (1/1) ... [2022-11-18 20:09:24,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:24" (1/1) ... [2022-11-18 20:09:24,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:24" (1/1) ... [2022-11-18 20:09:24,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:24" (1/1) ... [2022-11-18 20:09:24,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:24" (1/1) ... [2022-11-18 20:09:24,662 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:24" (1/1) ... [2022-11-18 20:09:24,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:24" (1/1) ... [2022-11-18 20:09:24,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:09:24,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:09:24,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:09:24,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:09:24,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:24" (1/1) ... [2022-11-18 20:09:24,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:09:24,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:09:24,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:09:24,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:09:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:09:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:09:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 20:09:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:09:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:09:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:09:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:09:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-11-18 20:09:24,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-11-18 20:09:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:09:24,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:09:24,771 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:09:24,904 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:09:24,906 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:09:25,283 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:09:25,291 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:09:25,292 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:09:25,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:09:25 BoogieIcfgContainer [2022-11-18 20:09:25,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:09:25,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:09:25,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:09:25,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:09:25,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:09:23" (1/3) ... [2022-11-18 20:09:25,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f4f99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:09:25, skipping insertion in model container [2022-11-18 20:09:25,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:24" (2/3) ... [2022-11-18 20:09:25,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f4f99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:09:25, skipping insertion in model container [2022-11-18 20:09:25,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:09:25" (3/3) ... [2022-11-18 20:09:25,306 INFO L112 eAbstractionObserver]: Analyzing ICFG condvar_spurious_wakeup.i [2022-11-18 20:09:25,323 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:09:25,335 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:09:25,335 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-18 20:09:25,336 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:09:25,456 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-18 20:09:25,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 88 places, 87 transitions, 182 flow [2022-11-18 20:09:25,628 INFO L130 PetriNetUnfolder]: 3/86 cut-off events. [2022-11-18 20:09:25,628 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 20:09:25,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 86 events. 3/86 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 71 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 37. Up to 2 conditions per place. [2022-11-18 20:09:25,638 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 87 transitions, 182 flow [2022-11-18 20:09:25,645 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 79 transitions, 161 flow [2022-11-18 20:09:25,665 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:09:25,676 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6532cba1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:09:25,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-18 20:09:25,715 INFO L130 PetriNetUnfolder]: 1/61 cut-off events. [2022-11-18 20:09:25,716 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:09:25,716 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:09:25,717 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:09:25,718 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:09:25,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:25,727 INFO L85 PathProgramCache]: Analyzing trace with hash 160038450, now seen corresponding path program 1 times [2022-11-18 20:09:25,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:25,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171326355] [2022-11-18 20:09:25,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:25,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:26,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:09:26,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:09:26,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171326355] [2022-11-18 20:09:26,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171326355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:09:26,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:09:26,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:09:26,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098593306] [2022-11-18 20:09:26,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:09:26,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:09:26,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:09:26,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:09:26,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:09:26,119 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 87 [2022-11-18 20:09:26,124 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 79 transitions, 161 flow. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) [2022-11-18 20:09:26,124 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:09:26,125 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 87 [2022-11-18 20:09:26,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:09:26,249 INFO L130 PetriNetUnfolder]: 22/151 cut-off events. [2022-11-18 20:09:26,250 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 20:09:26,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 151 events. 22/151 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 381 event pairs, 8 based on Foata normal form. 13/142 useless extension candidates. Maximal degree in co-relation 158. Up to 37 conditions per place. [2022-11-18 20:09:26,254 INFO L137 encePairwiseOnDemand]: 80/87 looper letters, 11 selfloop transitions, 4 changer transitions 0/82 dead transitions. [2022-11-18 20:09:26,254 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 82 transitions, 197 flow [2022-11-18 20:09:26,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:09:26,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:09:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 241 transitions. [2022-11-18 20:09:26,277 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9233716475095786 [2022-11-18 20:09:26,278 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 241 transitions. [2022-11-18 20:09:26,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 241 transitions. [2022-11-18 20:09:26,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:09:26,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 241 transitions. [2022-11-18 20:09:26,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2022-11-18 20:09:26,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 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) [2022-11-18 20:09:26,304 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 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) [2022-11-18 20:09:26,306 INFO L175 Difference]: Start difference. First operand has 80 places, 79 transitions, 161 flow. Second operand 3 states and 241 transitions. [2022-11-18 20:09:26,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 82 transitions, 197 flow [2022-11-18 20:09:26,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 82 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:09:26,322 INFO L231 Difference]: Finished difference. Result has 83 places, 80 transitions, 186 flow [2022-11-18 20:09:26,325 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=83, PETRI_TRANSITIONS=80} [2022-11-18 20:09:26,330 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 3 predicate places. [2022-11-18 20:09:26,331 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 80 transitions, 186 flow [2022-11-18 20:09:26,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) [2022-11-18 20:09:26,331 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:09:26,332 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:09:26,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:09:26,332 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:09:26,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:26,333 INFO L85 PathProgramCache]: Analyzing trace with hash -186261021, now seen corresponding path program 1 times [2022-11-18 20:09:26,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:26,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949724770] [2022-11-18 20:09:26,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:26,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:09:26,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:09:26,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949724770] [2022-11-18 20:09:26,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949724770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:09:26,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:09:26,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:09:26,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856272037] [2022-11-18 20:09:26,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:09:26,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:09:26,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:09:26,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:09:26,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:09:26,448 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 87 [2022-11-18 20:09:26,449 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2022-11-18 20:09:26,449 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:09:26,449 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 87 [2022-11-18 20:09:26,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:09:26,497 INFO L130 PetriNetUnfolder]: 12/158 cut-off events. [2022-11-18 20:09:26,497 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-11-18 20:09:26,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 158 events. 12/158 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 434 event pairs, 2 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 186. Up to 17 conditions per place. [2022-11-18 20:09:26,499 INFO L137 encePairwiseOnDemand]: 83/87 looper letters, 8 selfloop transitions, 4 changer transitions 0/83 dead transitions. [2022-11-18 20:09:26,499 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 83 transitions, 222 flow [2022-11-18 20:09:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:09:26,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:09:26,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2022-11-18 20:09:26,501 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9272030651340997 [2022-11-18 20:09:26,502 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 242 transitions. [2022-11-18 20:09:26,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 242 transitions. [2022-11-18 20:09:26,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:09:26,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 242 transitions. [2022-11-18 20:09:26,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 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) [2022-11-18 20:09:26,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 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) [2022-11-18 20:09:26,505 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 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) [2022-11-18 20:09:26,506 INFO L175 Difference]: Start difference. First operand has 83 places, 80 transitions, 186 flow. Second operand 3 states and 242 transitions. [2022-11-18 20:09:26,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 83 transitions, 222 flow [2022-11-18 20:09:26,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 83 transitions, 212 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:09:26,509 INFO L231 Difference]: Finished difference. Result has 85 places, 82 transitions, 206 flow [2022-11-18 20:09:26,510 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=85, PETRI_TRANSITIONS=82} [2022-11-18 20:09:26,511 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 5 predicate places. [2022-11-18 20:09:26,511 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 82 transitions, 206 flow [2022-11-18 20:09:26,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2022-11-18 20:09:26,512 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:09:26,512 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:09:26,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:09:26,513 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:09:26,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:26,513 INFO L85 PathProgramCache]: Analyzing trace with hash -336861109, now seen corresponding path program 1 times [2022-11-18 20:09:26,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:26,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755551025] [2022-11-18 20:09:26,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:26,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:26,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:09:26,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:09:26,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755551025] [2022-11-18 20:09:26,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755551025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:09:26,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:09:26,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:09:26,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739637149] [2022-11-18 20:09:26,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:09:26,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:09:26,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:09:26,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:09:26,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:09:26,654 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 87 [2022-11-18 20:09:26,655 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 82 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2022-11-18 20:09:26,655 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:09:26,655 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 87 [2022-11-18 20:09:26,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:09:26,728 INFO L130 PetriNetUnfolder]: 11/195 cut-off events. [2022-11-18 20:09:26,732 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-18 20:09:26,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 195 events. 11/195 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 751 event pairs, 3 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 256. Up to 21 conditions per place. [2022-11-18 20:09:26,734 INFO L137 encePairwiseOnDemand]: 84/87 looper letters, 10 selfloop transitions, 2 changer transitions 0/86 dead transitions. [2022-11-18 20:09:26,736 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 86 transitions, 238 flow [2022-11-18 20:09:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:09:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:09:26,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 241 transitions. [2022-11-18 20:09:26,743 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9233716475095786 [2022-11-18 20:09:26,743 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 241 transitions. [2022-11-18 20:09:26,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 241 transitions. [2022-11-18 20:09:26,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:09:26,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 241 transitions. [2022-11-18 20:09:26,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2022-11-18 20:09:26,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 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) [2022-11-18 20:09:26,751 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 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) [2022-11-18 20:09:26,751 INFO L175 Difference]: Start difference. First operand has 85 places, 82 transitions, 206 flow. Second operand 3 states and 241 transitions. [2022-11-18 20:09:26,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 86 transitions, 238 flow [2022-11-18 20:09:26,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 86 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:09:26,757 INFO L231 Difference]: Finished difference. Result has 86 places, 83 transitions, 210 flow [2022-11-18 20:09:26,757 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=86, PETRI_TRANSITIONS=83} [2022-11-18 20:09:26,758 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 6 predicate places. [2022-11-18 20:09:26,758 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 83 transitions, 210 flow [2022-11-18 20:09:26,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2022-11-18 20:09:26,759 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:09:26,759 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:09:26,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:09:26,759 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-18 20:09:26,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:26,760 INFO L85 PathProgramCache]: Analyzing trace with hash 410536428, now seen corresponding path program 1 times [2022-11-18 20:09:26,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:26,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8325592] [2022-11-18 20:09:26,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:26,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:09:26,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:09:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:09:26,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:09:26,882 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:09:26,883 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2022-11-18 20:09:26,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2022-11-18 20:09:26,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2022-11-18 20:09:26,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-11-18 20:09:26,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2022-11-18 20:09:26,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:09:26,887 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-18 20:09:26,894 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:09:26,894 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:09:26,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:09:26 BasicIcfg [2022-11-18 20:09:26,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:09:26,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:09:26,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:09:26,968 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:09:26,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:09:25" (3/4) ... [2022-11-18 20:09:26,972 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:09:26,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:09:26,974 INFO L158 Benchmark]: Toolchain (without parser) took 3077.20ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 65.0MB in the beginning and 76.7MB in the end (delta: -11.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-11-18 20:09:26,978 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 71.9MB in the beginning and 71.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:09:26,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 628.62ms. Allocated memory is still 100.7MB. Free memory was 65.0MB in the beginning and 66.5MB in the end (delta: -1.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:09:26,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.71ms. Allocated memory is still 100.7MB. Free memory was 66.5MB in the beginning and 64.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:09:26,985 INFO L158 Benchmark]: Boogie Preprocessor took 53.71ms. Allocated memory is still 100.7MB. Free memory was 64.3MB in the beginning and 62.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:09:26,986 INFO L158 Benchmark]: RCFGBuilder took 615.74ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 49.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:09:26,986 INFO L158 Benchmark]: TraceAbstraction took 1668.30ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 48.6MB in the beginning and 76.7MB in the end (delta: -28.1MB). Peak memory consumption was 59.1kB. Max. memory is 16.1GB. [2022-11-18 20:09:26,990 INFO L158 Benchmark]: Witness Printer took 8.28ms. Allocated memory is still 125.8MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:09:27,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 71.9MB in the beginning and 71.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 628.62ms. Allocated memory is still 100.7MB. Free memory was 65.0MB in the beginning and 66.5MB in the end (delta: -1.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.71ms. Allocated memory is still 100.7MB. Free memory was 66.5MB in the beginning and 64.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.71ms. Allocated memory is still 100.7MB. Free memory was 64.3MB in the beginning and 62.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.74ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 49.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1668.30ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 48.6MB in the beginning and 76.7MB in the end (delta: -28.1MB). Peak memory consumption was 59.1kB. Max. memory is 16.1GB. * Witness Printer took 8.28ms. Allocated memory is still 125.8MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 704]: Data race detected Data race detected The following path leads to a data race: [L699] 0 int x; VAL [x=0] [L697] 0 pthread_mutex_t lock; VAL [lock={3:0}, x=0] [L698] 0 pthread_cond_t cond; VAL [cond={4:0}, lock={3:0}, x=0] [L709] 0 pthread_t t; VAL [cond={4:0}, lock={3:0}, t={7:0}, x=0] [L712] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) VAL [arg={0:0}, cond={4:0}, lock={3:0}, pthread_create( &t, ((void *)0), thread, ((void *)0) )=-1, t={7:0}, x=0] [L704] 1 x == 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, lock={3:0}, x=0] [L713] 0 int i = 0; VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0, x = i=119] [L704] 1 x == 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, lock={3:0}, x=0] Now there is a data race on ~x~0 between C: x = i [714] and C: x == 42 [704] - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 18 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:09:27,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f9655-2570-4615-afe3-44d1df7747c5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE