./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f642c67113760bee92d5df6113328ab6bc786120281f498909848eae502de3ab --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:29,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:30,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 04:29:30,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:30,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:30,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:30,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:30,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:30,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:30,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:30,137 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:30,138 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:30,139 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:30,141 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:29:30,142 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:30,142 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:30,142 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:29:30,143 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:29:30,143 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:30,143 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:29:30,144 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:29:30,148 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:29:30,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:30,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:30,149 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:29:30,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:29:30,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:29:30,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:30,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:30,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:30,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:30,151 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 04:29:30,151 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:30,153 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 04:29:30,154 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:29:30,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:30,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:30,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:30,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:30,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:30,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:30,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:30,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:30,156 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:29:30,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:29:30,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:30,157 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:30,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:29:30,158 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f642c67113760bee92d5df6113328ab6bc786120281f498909848eae502de3ab [2024-11-09 04:29:30,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:30,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:30,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:30,520 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:30,520 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:30,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i Unable to find full path for "g++" [2024-11-09 04:29:32,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:29:33,002 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:29:33,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i [2024-11-09 04:29:33,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/data/69412ce10/a3da80de86f344e3abf66cd53c1bc348/FLAGe30319350 [2024-11-09 04:29:33,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/data/69412ce10/a3da80de86f344e3abf66cd53c1bc348 [2024-11-09 04:29:33,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:29:33,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:29:33,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:33,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:29:33,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:29:33,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:33" (1/1) ... [2024-11-09 04:29:33,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9d8d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:33, skipping insertion in model container [2024-11-09 04:29:33,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:33" (1/1) ... [2024-11-09 04:29:33,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:29:33,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:34,003 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:29:34,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:34,194 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:29:34,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34 WrapperNode [2024-11-09 04:29:34,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:34,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:34,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:29:34,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:29:34,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,265 INFO L138 Inliner]: procedures = 263, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-11-09 04:29:34,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:34,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:29:34,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:29:34,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:29:34,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:29:34,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:29:34,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:29:34,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:29:34,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:34,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:34,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:29:34,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:29:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 04:29:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 04:29:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:29:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 04:29:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 04:29:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:29:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:29:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:29:34,383 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 04:29:34,578 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:29:34,582 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:29:34,913 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 04:29:34,913 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:29:34,954 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:29:34,955 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:29:34,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:34 BoogieIcfgContainer [2024-11-09 04:29:34,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:29:34,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:29:34,960 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:29:34,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:29:34,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:29:33" (1/3) ... [2024-11-09 04:29:34,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9b0659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:34, skipping insertion in model container [2024-11-09 04:29:34,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (2/3) ... [2024-11-09 04:29:34,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9b0659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:34, skipping insertion in model container [2024-11-09 04:29:34,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:34" (3/3) ... [2024-11-09 04:29:34,970 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_14-funarg_rc.i [2024-11-09 04:29:34,991 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:29:34,992 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 04:29:34,992 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 04:29:35,077 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 04:29:35,122 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 81 transitions, 169 flow [2024-11-09 04:29:35,209 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 446 states, 438 states have (on average 1.860730593607306) internal successors, (815), 445 states have internal predecessors, (815), 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) [2024-11-09 04:29:35,244 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:29:35,253 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=FINITE_AUTOMATA, 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;@61309e65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:29:35,253 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-09 04:29:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand has 446 states, 438 states have (on average 1.860730593607306) internal successors, (815), 445 states have internal predecessors, (815), 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) [2024-11-09 04:29:35,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 04:29:35,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:35,267 INFO L215 NwaCegarLoop]: 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] [2024-11-09 04:29:35,268 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 04:29:35,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:35,274 INFO L85 PathProgramCache]: Analyzing trace with hash -970110140, now seen corresponding path program 1 times [2024-11-09 04:29:35,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:29:35,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497023880] [2024-11-09 04:29:35,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:35,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:29:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:29:35,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:29:35,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497023880] [2024-11-09 04:29:35,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497023880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:29:35,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:29:35,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:29:35,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248704986] [2024-11-09 04:29:35,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:29:35,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:29:35,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:29:35,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:29:35,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:29:35,671 INFO L87 Difference]: Start difference. First operand has 446 states, 438 states have (on average 1.860730593607306) internal successors, (815), 445 states have internal predecessors, (815), 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 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-09 04:29:35,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:29:35,792 INFO L93 Difference]: Finished difference Result 552 states and 996 transitions. [2024-11-09 04:29:35,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:29:35,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2024-11-09 04:29:35,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:29:35,819 INFO L225 Difference]: With dead ends: 552 [2024-11-09 04:29:35,819 INFO L226 Difference]: Without dead ends: 371 [2024-11-09 04:29:35,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:29:35,830 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 37 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:29:35,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 130 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:29:35,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-09 04:29:35,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 333. [2024-11-09 04:29:35,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 328 states have (on average 1.774390243902439) internal successors, (582), 332 states have internal predecessors, (582), 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) [2024-11-09 04:29:35,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 582 transitions. [2024-11-09 04:29:35,908 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 582 transitions. Word has length 36 [2024-11-09 04:29:35,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:29:35,912 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 582 transitions. [2024-11-09 04:29:35,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-09 04:29:35,913 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 582 transitions. [2024-11-09 04:29:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 04:29:35,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:35,914 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:29:35,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:29:35,915 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 04:29:35,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:35,916 INFO L85 PathProgramCache]: Analyzing trace with hash 213306631, now seen corresponding path program 1 times [2024-11-09 04:29:35,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:29:35,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192556111] [2024-11-09 04:29:35,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:35,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:29:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:29:36,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:29:36,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192556111] [2024-11-09 04:29:36,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192556111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:29:36,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:29:36,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:29:36,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229421965] [2024-11-09 04:29:36,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:29:36,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:29:36,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:29:36,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:29:36,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:29:36,070 INFO L87 Difference]: Start difference. First operand 333 states and 582 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-11-09 04:29:36,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:29:36,159 INFO L93 Difference]: Finished difference Result 373 states and 639 transitions. [2024-11-09 04:29:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:29:36,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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 40 [2024-11-09 04:29:36,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:29:36,162 INFO L225 Difference]: With dead ends: 373 [2024-11-09 04:29:36,162 INFO L226 Difference]: Without dead ends: 225 [2024-11-09 04:29:36,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:29:36,165 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 27 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:29:36,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 138 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:29:36,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-09 04:29:36,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2024-11-09 04:29:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 222 states have (on average 1.617117117117117) internal successors, (359), 224 states have internal predecessors, (359), 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) [2024-11-09 04:29:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 359 transitions. [2024-11-09 04:29:36,178 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 359 transitions. Word has length 40 [2024-11-09 04:29:36,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:29:36,180 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 359 transitions. [2024-11-09 04:29:36,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-11-09 04:29:36,180 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 359 transitions. [2024-11-09 04:29:36,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 04:29:36,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:36,182 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:29:36,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:29:36,182 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 04:29:36,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:36,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1874520575, now seen corresponding path program 1 times [2024-11-09 04:29:36,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:29:36,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772264102] [2024-11-09 04:29:36,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:36,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:29:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:29:36,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:29:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:29:36,268 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:29:36,268 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:29:36,269 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-09 04:29:36,271 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-09 04:29:36,272 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-09 04:29:36,272 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-09 04:29:36,272 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-09 04:29:36,273 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-09 04:29:36,273 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-09 04:29:36,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:29:36,277 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 04:29:36,333 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 04:29:36,333 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:29:36,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:29:36 BasicIcfg [2024-11-09 04:29:36,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:29:36,338 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:29:36,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:29:36,338 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:29:36,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:34" (3/4) ... [2024-11-09 04:29:36,341 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 04:29:36,405 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 04:29:36,406 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:29:36,407 INFO L158 Benchmark]: Toolchain (without parser) took 3159.86ms. Allocated memory is still 148.9MB. Free memory was 108.7MB in the beginning and 90.8MB in the end (delta: 17.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-09 04:29:36,407 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 119.5MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:36,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 947.03ms. Allocated memory is still 148.9MB. Free memory was 108.3MB in the beginning and 113.5MB in the end (delta: -5.2MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-11-09 04:29:36,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.11ms. Allocated memory is still 148.9MB. Free memory was 113.5MB in the beginning and 111.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:29:36,409 INFO L158 Benchmark]: Boogie Preprocessor took 33.79ms. Allocated memory is still 148.9MB. Free memory was 111.3MB in the beginning and 110.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:29:36,409 INFO L158 Benchmark]: RCFGBuilder took 653.57ms. Allocated memory is still 148.9MB. Free memory was 110.2MB in the beginning and 94.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 04:29:36,410 INFO L158 Benchmark]: TraceAbstraction took 1378.47ms. Allocated memory is still 148.9MB. Free memory was 94.6MB in the beginning and 95.0MB in the end (delta: -432.7kB). Peak memory consumption was 373.8kB. Max. memory is 16.1GB. [2024-11-09 04:29:36,410 INFO L158 Benchmark]: Witness Printer took 68.17ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 90.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:29:36,413 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 119.5MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 947.03ms. Allocated memory is still 148.9MB. Free memory was 108.3MB in the beginning and 113.5MB in the end (delta: -5.2MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.11ms. Allocated memory is still 148.9MB. Free memory was 113.5MB in the beginning and 111.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.79ms. Allocated memory is still 148.9MB. Free memory was 111.3MB in the beginning and 110.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 653.57ms. Allocated memory is still 148.9MB. Free memory was 110.2MB in the beginning and 94.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1378.47ms. Allocated memory is still 148.9MB. Free memory was 94.6MB in the beginning and 95.0MB in the end (delta: -432.7kB). Peak memory consumption was 373.8kB. Max. memory is 16.1GB. * Witness Printer took 68.17ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 90.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - DataRaceFoundResult [Line: 934]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}, myglobal=0] [L920] 0 pthread_mutex_t mutex3 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=0] [L931] 0 pthread_t id; VAL [mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=0] [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, id=-1, mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=0] [L923] EXPR 1 myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=0] [L923] 1 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=1] [L934] 0 printf("myglobal equals %d\n",myglobal) VAL [\old(arg)={0:0}, arg={0:0}, id=-1, mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=1] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [923] and C: printf("myglobal equals %d\n",myglobal) [934] - UnprovableResult [Line: 937]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: 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: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: 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, 100 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 268 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 160 mSDtfsCounter, 63 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=446occurred in iteration=0, 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 38 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-09 04:29:36,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e586672-23da-41bf-ba53-58996a5f9282/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE