./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --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 1abd6fb835489bc29b4b3171e6e4732aae8910bae019e148dd431ac2077bb570 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:17:34,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:17:34,783 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:17:34,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:17:34,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:17:34,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:17:34,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:17:34,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:17:34,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:17:34,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:17:34,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:17:34,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:17:34,836 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:17:34,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:17:34,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:17:34,836 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:17:34,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:17:34,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:17:34,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:17:34,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:17:34,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:17:34,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:17:34,837 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:17:34,837 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:17:34,837 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:17:34,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:17:34,837 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:17:34,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:17:34,837 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:17:34,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:34,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:34,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:34,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:17:34,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:34,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:34,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:34,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:17:34,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:17:34,842 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:17:34,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:17:34,842 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:17:34,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:17:34,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:17:34,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:17:34,842 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:17:34,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:17:34,842 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 1abd6fb835489bc29b4b3171e6e4732aae8910bae019e148dd431ac2077bb570 [2024-11-28 03:17:35,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:17:35,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:17:35,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:17:35,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:17:35,164 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:17:35,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i [2024-11-28 03:17:38,190 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/data/30b635cdb/fdd7e5d9cea445feb3ae7cd1587d45ad/FLAG629648969 [2024-11-28 03:17:38,574 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:17:38,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i [2024-11-28 03:17:38,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/data/30b635cdb/fdd7e5d9cea445feb3ae7cd1587d45ad/FLAG629648969 [2024-11-28 03:17:38,626 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/data/30b635cdb/fdd7e5d9cea445feb3ae7cd1587d45ad [2024-11-28 03:17:38,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:17:38,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:17:38,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:38,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:17:38,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:17:38,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:38" (1/1) ... [2024-11-28 03:17:38,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543c9005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38, skipping insertion in model container [2024-11-28 03:17:38,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:38" (1/1) ... [2024-11-28 03:17:38,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:17:39,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:39,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:17:39,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:39,397 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:17:39,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39 WrapperNode [2024-11-28 03:17:39,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:39,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:39,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:17:39,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:17:39,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2024-11-28 03:17:39,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2024-11-28 03:17:39,436 INFO L138 Inliner]: procedures = 265, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2024-11-28 03:17:39,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:39,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:17:39,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:17:39,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:17:39,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2024-11-28 03:17:39,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2024-11-28 03:17:39,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2024-11-28 03:17:39,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2024-11-28 03:17:39,453 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2024-11-28 03:17:39,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2024-11-28 03:17:39,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2024-11-28 03:17:39,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2024-11-28 03:17:39,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2024-11-28 03:17:39,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:17:39,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:17:39,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:17:39,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:17:39,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2024-11-28 03:17:39,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:39,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:39,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:17:39,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:17:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 03:17:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 03:17:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:17:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 03:17:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 03:17:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:17:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:17:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:17:39,534 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:17:39,687 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:17:39,689 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:17:39,889 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:17:39,890 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:17:39,923 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:17:39,923 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:17:39,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:39 BoogieIcfgContainer [2024-11-28 03:17:39,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:17:39,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:17:39,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:17:39,931 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:17:39,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:38" (1/3) ... [2024-11-28 03:17:39,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f91659d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:39, skipping insertion in model container [2024-11-28 03:17:39,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (2/3) ... [2024-11-28 03:17:39,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f91659d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:39, skipping insertion in model container [2024-11-28 03:17:39,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:39" (3/3) ... [2024-11-28 03:17:39,933 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_50-funptr_rc.i [2024-11-28 03:17:39,949 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:17:39,953 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_50-funptr_rc.i that has 2 procedures, 76 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 03:17:39,953 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:17:40,014 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 03:17:40,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 76 transitions, 159 flow [2024-11-28 03:17:40,118 INFO L124 PetriNetUnfolderBase]: 1/75 cut-off events. [2024-11-28 03:17:40,125 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:17:40,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 75 events. 1/75 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2024-11-28 03:17:40,133 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 76 transitions, 159 flow [2024-11-28 03:17:40,137 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 70 transitions, 143 flow [2024-11-28 03:17:40,148 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:17:40,168 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@1e45694c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:17:40,168 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 03:17:40,189 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:17:40,189 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2024-11-28 03:17:40,190 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:17:40,190 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:40,190 INFO L206 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] [2024-11-28 03:17:40,191 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-28 03:17:40,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:40,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1735915475, now seen corresponding path program 1 times [2024-11-28 03:17:40,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:40,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341590045] [2024-11-28 03:17:40,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:40,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:40,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:40,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341590045] [2024-11-28 03:17:40,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341590045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:40,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:40,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:17:40,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730163885] [2024-11-28 03:17:40,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:40,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:17:40,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:40,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:17:40,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:17:40,579 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 76 [2024-11-28 03:17:40,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 70 transitions, 143 flow. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2024-11-28 03:17:40,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:40,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 76 [2024-11-28 03:17:40,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:40,712 INFO L124 PetriNetUnfolderBase]: 18/205 cut-off events. [2024-11-28 03:17:40,713 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:17:40,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 205 events. 18/205 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 740 event pairs, 4 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 222. Up to 23 conditions per place. [2024-11-28 03:17:40,716 INFO L140 encePairwiseOnDemand]: 72/76 looper letters, 11 selfloop transitions, 3 changer transitions 0/75 dead transitions. [2024-11-28 03:17:40,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 75 transitions, 181 flow [2024-11-28 03:17:40,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:17:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:17:40,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 213 transitions. [2024-11-28 03:17:40,736 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9342105263157895 [2024-11-28 03:17:40,739 INFO L175 Difference]: Start difference. First operand has 73 places, 70 transitions, 143 flow. Second operand 3 states and 213 transitions. [2024-11-28 03:17:40,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 75 transitions, 181 flow [2024-11-28 03:17:40,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 75 transitions, 180 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:17:40,753 INFO L231 Difference]: Finished difference. Result has 76 places, 72 transitions, 164 flow [2024-11-28 03:17:40,756 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=76, PETRI_TRANSITIONS=72} [2024-11-28 03:17:40,760 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, 3 predicate places. [2024-11-28 03:17:40,760 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 72 transitions, 164 flow [2024-11-28 03:17:40,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2024-11-28 03:17:40,761 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:40,761 INFO L206 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] [2024-11-28 03:17:40,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:17:40,761 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-28 03:17:40,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:40,762 INFO L85 PathProgramCache]: Analyzing trace with hash -976599530, now seen corresponding path program 1 times [2024-11-28 03:17:40,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:40,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515782649] [2024-11-28 03:17:40,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:40,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:40,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:40,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515782649] [2024-11-28 03:17:40,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515782649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:40,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:40,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:17:40,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932902109] [2024-11-28 03:17:40,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:40,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:17:40,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:40,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:17:40,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:17:40,865 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 76 [2024-11-28 03:17:40,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 72 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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) [2024-11-28 03:17:40,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:40,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 76 [2024-11-28 03:17:40,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:40,944 INFO L124 PetriNetUnfolderBase]: 31/258 cut-off events. [2024-11-28 03:17:40,944 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-28 03:17:40,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 258 events. 31/258 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1089 event pairs, 14 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 333. Up to 52 conditions per place. [2024-11-28 03:17:40,946 INFO L140 encePairwiseOnDemand]: 71/76 looper letters, 10 selfloop transitions, 5 changer transitions 3/77 dead transitions. [2024-11-28 03:17:40,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 77 transitions, 212 flow [2024-11-28 03:17:40,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:17:40,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:17:40,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions. [2024-11-28 03:17:40,948 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-28 03:17:40,949 INFO L175 Difference]: Start difference. First operand has 76 places, 72 transitions, 164 flow. Second operand 3 states and 209 transitions. [2024-11-28 03:17:40,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 77 transitions, 212 flow [2024-11-28 03:17:40,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 77 transitions, 204 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:17:40,952 INFO L231 Difference]: Finished difference. Result has 78 places, 73 transitions, 186 flow [2024-11-28 03:17:40,952 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=78, PETRI_TRANSITIONS=73} [2024-11-28 03:17:40,953 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, 5 predicate places. [2024-11-28 03:17:40,953 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 73 transitions, 186 flow [2024-11-28 03:17:40,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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) [2024-11-28 03:17:40,953 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:40,953 INFO L206 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] [2024-11-28 03:17:40,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:17:40,954 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-28 03:17:40,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:40,954 INFO L85 PathProgramCache]: Analyzing trace with hash -666922774, now seen corresponding path program 1 times [2024-11-28 03:17:40,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:40,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142735271] [2024-11-28 03:17:40,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:40,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:17:40,985 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:17:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:17:41,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:17:41,037 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:17:41,038 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2024-11-28 03:17:41,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-28 03:17:41,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2024-11-28 03:17:41,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2024-11-28 03:17:41,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:17:41,045 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 03:17:41,091 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:17:41,091 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:17:41,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:17:41 BasicIcfg [2024-11-28 03:17:41,100 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:17:41,104 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:17:41,104 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:17:41,104 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:17:41,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:39" (3/4) ... [2024-11-28 03:17:41,106 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 03:17:41,163 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 1. [2024-11-28 03:17:41,201 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:17:41,201 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:17:41,201 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:17:41,202 INFO L158 Benchmark]: Toolchain (without parser) took 2571.82ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 116.9MB in the beginning and 345.4MB in the end (delta: -228.5MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2024-11-28 03:17:41,202 INFO L158 Benchmark]: CDTParser took 1.73ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:17:41,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 765.83ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 89.0MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:17:41,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.34ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 87.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:17:41,203 INFO L158 Benchmark]: Boogie Preprocessor took 22.67ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 86.1MB in the end (delta: 953.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:17:41,204 INFO L158 Benchmark]: RCFGBuilder took 463.68ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 72.1MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:17:41,204 INFO L158 Benchmark]: TraceAbstraction took 1177.22ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 71.3MB in the beginning and 351.2MB in the end (delta: -279.9MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-11-28 03:17:41,204 INFO L158 Benchmark]: Witness Printer took 97.65ms. Allocated memory is still 427.8MB. Free memory was 351.2MB in the beginning and 345.4MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:17:41,206 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.73ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 765.83ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 89.0MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.34ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 87.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.67ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 86.1MB in the end (delta: 953.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 463.68ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 72.1MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1177.22ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 71.3MB in the beginning and 351.2MB in the end (delta: -279.9MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 97.65ms. Allocated memory is still 427.8MB. Free memory was 351.2MB in the beginning and 345.4MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 932]: Data race detected Data race detected The following path leads to a data race: [L919] 0 int (*fp)() = f1; VAL [fp={-1:0}] [L920] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [fp={-1:0}, mutex1={1:0}] [L921] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [fp={-1:0}, mutex1={1:0}, mutex2={2:0}] [L929] 0 pthread_t id; VAL [fp={-1:0}, mutex1={1:0}, mutex2={2:0}] [L930] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, fp={-1:0}, id=-1, mutex1={1:0}, mutex2={2:0}] [L924] 1 fp = f2 VAL [\old(arg)={0:0}, arg={0:0}, fp={-1:1}, mutex1={1:0}, mutex2={2:0}] [L932] 0 fp() VAL [\old(arg)={0:0}, arg={0:0}, fp={-1:1}, id=-1, mutex1={1:0}, mutex2={2:0}] Now there is a data race on ~fp~0 between C: fp = f2 [924] and C: fp() [932] - UnprovableResult [Line: 930]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 91 locations, 4 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: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 0.2s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-28 03:17:41,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c7893a-9440-4bda-b1e4-8dccfa39d0b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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(DATA-RACE)