./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 44de34ccc7195f8ba562241ad79de4cb2add35f6ad2c59de465184820d6f6382 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:20:33,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:20:33,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:20:33,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:20:33,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:20:33,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:20:33,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:20:33,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:20:33,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:20:33,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:20:33,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:20:33,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:20:33,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:20:33,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:20:33,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:20:33,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:20:33,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:20:33,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:20:33,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:20:33,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:20:33,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:20:33,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:20:33,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:20:33,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:20:33,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:20:33,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:20:33,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:20:33,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:20:33,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:20:33,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:20:33,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:20:33,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:20:33,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:20:33,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:20:33,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:20:33,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:20:33,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:20:33,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:20:33,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:20:33,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:20:33,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:20:33,377 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 09:20:33,392 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:20:33,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:20:33,392 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:20:33,392 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:20:33,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:20:33,393 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:20:33,393 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:20:33,393 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:20:33,393 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:20:33,393 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:20:33,393 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:20:33,394 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:20:33,394 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:20:33,394 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:20:33,394 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:20:33,394 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:20:33,394 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:20:33,394 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:20:33,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:20:33,395 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 09:20:33,395 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:20:33,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:20:33,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 09:20:33,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:20:33,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:20:33,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:20:33,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:20:33,396 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 09:20:33,396 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 09:20:33,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:20:33,396 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:20:33,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:20:33,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:20:33,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:20:33,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:20:33,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:20:33,397 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:20:33,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:20:33,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:20:33,397 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:20:33,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:20:33,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:20:33,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:20:33,398 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_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44de34ccc7195f8ba562241ad79de4cb2add35f6ad2c59de465184820d6f6382 [2022-12-14 09:20:33,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:20:33,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:20:33,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:20:33,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:20:33,579 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:20:33,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2022-12-14 09:20:36,189 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:20:36,378 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:20:36,379 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2022-12-14 09:20:36,390 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/data/1050a8434/78877b213634420ab16770425be55f93/FLAG142ec4e71 [2022-12-14 09:20:36,400 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/data/1050a8434/78877b213634420ab16770425be55f93 [2022-12-14 09:20:36,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:20:36,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:20:36,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:20:36,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:20:36,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:20:36,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:20:36" (1/1) ... [2022-12-14 09:20:36,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7efa6553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36, skipping insertion in model container [2022-12-14 09:20:36,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:20:36" (1/1) ... [2022-12-14 09:20:36,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:20:36,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:20:36,561 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_e6dedb05-16fd-47ff-9254-2a44ec0a5322/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i[818,831] [2022-12-14 09:20:36,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:20:36,829 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:20:36,830 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:20:36,830 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:20:36,835 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:20:36,836 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:20:36,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:20:36,845 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:20:36,854 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_e6dedb05-16fd-47ff-9254-2a44ec0a5322/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i[818,831] [2022-12-14 09:20:36,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:20:36,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:20:36,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:20:36,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:20:36,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:20:36,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:20:36,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:20:36,932 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:20:36,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36 WrapperNode [2022-12-14 09:20:36,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:20:36,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:20:36,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:20:36,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:20:36,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36" (1/1) ... [2022-12-14 09:20:36,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36" (1/1) ... [2022-12-14 09:20:36,967 INFO L138 Inliner]: procedures = 365, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-12-14 09:20:36,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:20:36,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:20:36,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:20:36,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:20:36,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36" (1/1) ... [2022-12-14 09:20:36,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36" (1/1) ... [2022-12-14 09:20:36,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36" (1/1) ... [2022-12-14 09:20:36,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36" (1/1) ... [2022-12-14 09:20:36,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36" (1/1) ... [2022-12-14 09:20:36,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36" (1/1) ... [2022-12-14 09:20:36,987 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36" (1/1) ... [2022-12-14 09:20:36,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36" (1/1) ... [2022-12-14 09:20:36,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:20:36,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:20:36,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:20:36,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:20:36,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36" (1/1) ... [2022-12-14 09:20:36,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:20:37,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:20:37,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:20:37,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:20:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 09:20:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:20:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:20:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 09:20:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:20:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2022-12-14 09:20:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2022-12-14 09:20:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:20:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:20:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:20:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:20:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:20:37,057 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 09:20:37,176 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:20:37,177 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:20:37,332 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:20:37,361 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:20:37,361 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 09:20:37,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:20:37 BoogieIcfgContainer [2022-12-14 09:20:37,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:20:37,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:20:37,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:20:37,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:20:37,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:20:36" (1/3) ... [2022-12-14 09:20:37,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b387e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:20:37, skipping insertion in model container [2022-12-14 09:20:37,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:20:36" (2/3) ... [2022-12-14 09:20:37,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b387e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:20:37, skipping insertion in model container [2022-12-14 09:20:37,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:20:37" (3/3) ... [2022-12-14 09:20:37,380 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-3.i [2022-12-14 09:20:37,388 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 09:20:37,400 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:20:37,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-12-14 09:20:37,400 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 09:20:37,445 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-14 09:20:37,473 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 09:20:37,488 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 106 transitions, 220 flow [2022-12-14 09:20:37,491 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 106 transitions, 220 flow [2022-12-14 09:20:37,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 106 transitions, 220 flow [2022-12-14 09:20:37,537 INFO L130 PetriNetUnfolder]: 7/105 cut-off events. [2022-12-14 09:20:37,537 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-14 09:20:37,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 105 events. 7/105 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 87 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2022-12-14 09:20:37,544 INFO L119 LiptonReduction]: Number of co-enabled transitions 1080 [2022-12-14 09:20:38,991 INFO L134 LiptonReduction]: Checked pairs total: 1057 [2022-12-14 09:20:38,991 INFO L136 LiptonReduction]: Total number of compositions: 105 [2022-12-14 09:20:38,998 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 19 transitions, 46 flow [2022-12-14 09:20:39,007 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 41 states, 28 states have (on average 2.75) internal successors, (77), 40 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:20:39,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:20:39,024 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=FINITE_AUTOMATA, 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;@55d32be6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:20:39,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-14 09:20:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 2.75) internal successors, (77), 40 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:20:39,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 09:20:39,031 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:20:39,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 09:20:39,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-12-14 09:20:39,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:20:39,037 INFO L85 PathProgramCache]: Analyzing trace with hash 12982213, now seen corresponding path program 1 times [2022-12-14 09:20:39,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:20:39,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744867464] [2022-12-14 09:20:39,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:20:39,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:20:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:20:39,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:20:39,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:20:39,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744867464] [2022-12-14 09:20:39,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744867464] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:20:39,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:20:39,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 09:20:39,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620995078] [2022-12-14 09:20:39,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:20:39,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 09:20:39,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:20:39,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 09:20:39,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:20:39,212 INFO L87 Difference]: Start difference. First operand has 41 states, 28 states have (on average 2.75) internal successors, (77), 40 states have internal predecessors, (77), 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) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:20:39,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:20:39,236 INFO L93 Difference]: Finished difference Result 15 states and 27 transitions. [2022-12-14 09:20:39,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 09:20:39,238 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2022-12-14 09:20:39,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:20:39,242 INFO L225 Difference]: With dead ends: 15 [2022-12-14 09:20:39,242 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 09:20:39,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:20:39,245 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:20:39,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:20:39,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 09:20:39,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 09:20:39,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:20:39,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 09:20:39,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-12-14 09:20:39,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:20:39,262 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 09:20:39,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:20:39,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 09:20:39,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 09:20:39,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-12-14 09:20:39,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-12-14 09:20:39,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-12-14 09:20:39,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2022-12-14 09:20:39,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2022-12-14 09:20:39,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-12-14 09:20:39,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-12-14 09:20:39,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-12-14 09:20:39,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-12-14 09:20:39,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-12-14 09:20:39,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:20:39,267 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 09:20:39,271 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 09:20:39,271 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:20:39,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:20:39 BasicIcfg [2022-12-14 09:20:39,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:20:39,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:20:39,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:20:39,274 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:20:39,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:20:37" (3/4) ... [2022-12-14 09:20:39,277 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 09:20:39,282 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_datarace [2022-12-14 09:20:39,286 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-14 09:20:39,286 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 09:20:39,287 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 09:20:39,287 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 09:20:39,322 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 09:20:39,322 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:20:39,323 INFO L158 Benchmark]: Toolchain (without parser) took 2919.38ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 111.7MB in the beginning and 100.0MB in the end (delta: 11.7MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2022-12-14 09:20:39,323 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:20:39,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.33ms. Allocated memory is still 151.0MB. Free memory was 111.7MB in the beginning and 73.3MB in the end (delta: 38.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-14 09:20:39,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.00ms. Allocated memory is still 151.0MB. Free memory was 73.3MB in the beginning and 70.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:20:39,324 INFO L158 Benchmark]: Boogie Preprocessor took 23.90ms. Allocated memory is still 151.0MB. Free memory was 70.6MB in the beginning and 69.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:20:39,325 INFO L158 Benchmark]: RCFGBuilder took 378.24ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 69.1MB in the beginning and 168.4MB in the end (delta: -99.2MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-12-14 09:20:39,325 INFO L158 Benchmark]: TraceAbstraction took 1900.44ms. Allocated memory is still 199.2MB. Free memory was 168.4MB in the beginning and 103.1MB in the end (delta: 65.2MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2022-12-14 09:20:39,325 INFO L158 Benchmark]: Witness Printer took 48.58ms. Allocated memory is still 199.2MB. Free memory was 103.1MB in the beginning and 100.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 09:20:39,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.33ms. Allocated memory is still 151.0MB. Free memory was 111.7MB in the beginning and 73.3MB in the end (delta: 38.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.00ms. Allocated memory is still 151.0MB. Free memory was 73.3MB in the beginning and 70.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.90ms. Allocated memory is still 151.0MB. Free memory was 70.6MB in the beginning and 69.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.24ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 69.1MB in the beginning and 168.4MB in the end (delta: -99.2MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1900.44ms. Allocated memory is still 199.2MB. Free memory was 168.4MB in the beginning and 103.1MB in the end (delta: 65.2MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. * Witness Printer took 48.58ms. Allocated memory is still 199.2MB. Free memory was 103.1MB in the beginning and 100.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.5s, 103 PlacesBefore, 21 PlacesAfterwards, 106 TransitionsBefore, 19 TransitionsAfterwards, 1080 CoEnabledTransitionPairs, 6 FixpointIterations, 52 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 10 ConcurrentYvCompositions, 5 ChoiceCompositions, 105 TotalNumberOfCompositions, 1057 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1003, independent: 987, independent conditional: 0, independent unconditional: 987, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 729, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 729, independent: 716, independent conditional: 0, independent unconditional: 716, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1003, independent: 267, independent conditional: 0, independent unconditional: 267, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 729, unknown conditional: 0, unknown unconditional: 729] , Statistics on independence cache: Total cache size (in pairs): 23, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1355]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1355]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1362]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1363]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1328]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1333]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 118 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 09:20:39,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6dedb05-16fd-47ff-9254-2a44ec0a5322/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE