./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/bigshot_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/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_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/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_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/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 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:17:24,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:17:24,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 05:17:24,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:17:24,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:17:24,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:17:24,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:17:24,955 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:17:24,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:17:24,957 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:17:24,958 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:17:24,958 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:17:24,960 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:17:24,962 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:17:24,963 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:17:24,963 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:17:24,964 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:17:24,964 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:17:24,965 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:17:24,965 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:17:24,966 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:17:24,970 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:17:24,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:17:24,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:17:24,972 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:17:24,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:17:24,972 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:17:24,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:17:24,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:17:24,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:17:24,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:17:24,977 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 05:17:24,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:17:24,978 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:17:24,978 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:17:24,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:17:24,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:17:24,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:17:24,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:17:24,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:17:24,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:17:24,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:17:24,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:17:24,982 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:17:24,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:17:24,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:17:24,983 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:17:24,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:17:24,984 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_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 [2024-11-09 05:17:25,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:17:25,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:17:25,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:17:25,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:17:25,367 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:17:25,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread/bigshot_p.i Unable to find full path for "g++" [2024-11-09 05:17:27,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:17:28,111 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:17:28,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/sv-benchmarks/c/pthread/bigshot_p.i [2024-11-09 05:17:28,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/bin/utaipan-verify-YMUCfTKeje/data/639344445/38f7e77ca3994383ac0822138cdade8b/FLAG82d54558a [2024-11-09 05:17:28,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/bin/utaipan-verify-YMUCfTKeje/data/639344445/38f7e77ca3994383ac0822138cdade8b [2024-11-09 05:17:28,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:17:28,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:17:28,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:17:28,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:17:28,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:17:28,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:28" (1/1) ... [2024-11-09 05:17:28,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cbb8d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:28, skipping insertion in model container [2024-11-09 05:17:28,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:28" (1/1) ... [2024-11-09 05:17:28,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:17:28,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:17:28,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:17:29,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:17:29,235 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:17:29,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:29 WrapperNode [2024-11-09 05:17:29,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:17:29,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:17:29,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:17:29,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:17:29,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:29" (1/1) ... [2024-11-09 05:17:29,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:29" (1/1) ... [2024-11-09 05:17:29,331 INFO L138 Inliner]: procedures = 323, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 85 [2024-11-09 05:17:29,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:17:29,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:17:29,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:17:29,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:17:29,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:29" (1/1) ... [2024-11-09 05:17:29,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:29" (1/1) ... [2024-11-09 05:17:29,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:29" (1/1) ... [2024-11-09 05:17:29,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:29" (1/1) ... [2024-11-09 05:17:29,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:29" (1/1) ... [2024-11-09 05:17:29,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:29" (1/1) ... [2024-11-09 05:17:29,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:29" (1/1) ... [2024-11-09 05:17:29,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:29" (1/1) ... [2024-11-09 05:17:29,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:17:29,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:17:29,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:17:29,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:17:29,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:29" (1/1) ... [2024-11-09 05:17:29,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:17:29,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:17:29,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:17:29,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:17:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:17:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:17:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 05:17:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 05:17:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 05:17:29,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 05:17:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:17:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:17:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:17:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:17:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:17:29,495 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 05:17:29,704 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:17:29,707 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:17:29,953 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 05:17:29,953 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:17:29,970 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:17:29,971 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:17:29,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:29 BoogieIcfgContainer [2024-11-09 05:17:29,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:17:29,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:17:29,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:17:29,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:17:29,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:17:28" (1/3) ... [2024-11-09 05:17:29,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcdd5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:17:29, skipping insertion in model container [2024-11-09 05:17:29,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:29" (2/3) ... [2024-11-09 05:17:29,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcdd5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:17:29, skipping insertion in model container [2024-11-09 05:17:29,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:29" (3/3) ... [2024-11-09 05:17:29,983 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2024-11-09 05:17:30,010 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:17:30,011 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 05:17:30,011 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 05:17:30,127 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 05:17:30,171 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 109 places, 108 transitions, 230 flow [2024-11-09 05:17:30,343 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1184 states, 1176 states have (on average 2.5841836734693877) internal successors, (3039), 1183 states have internal predecessors, (3039), 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 05:17:30,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:17:30,401 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;@65131d6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:17:30,401 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-09 05:17:30,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 1184 states, 1176 states have (on average 2.5841836734693877) internal successors, (3039), 1183 states have internal predecessors, (3039), 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 05:17:30,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 05:17:30,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:17:30,419 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] [2024-11-09 05:17:30,420 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-09 05:17:30,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:17:30,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1854924123, now seen corresponding path program 1 times [2024-11-09 05:17:30,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:17:30,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362878970] [2024-11-09 05:17:30,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:17:30,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:17:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:17:30,823 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 05:17:30,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:17:30,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362878970] [2024-11-09 05:17:30,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362878970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:17:30,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:17:30,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:17:30,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235537855] [2024-11-09 05:17:30,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:17:30,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:17:30,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:17:30,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:17:30,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:17:30,882 INFO L87 Difference]: Start difference. First operand has 1184 states, 1176 states have (on average 2.5841836734693877) internal successors, (3039), 1183 states have internal predecessors, (3039), 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 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 05:17:31,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:17:31,145 INFO L93 Difference]: Finished difference Result 1749 states and 4502 transitions. [2024-11-09 05:17:31,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:17:31,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2024-11-09 05:17:31,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:17:31,187 INFO L225 Difference]: With dead ends: 1749 [2024-11-09 05:17:31,188 INFO L226 Difference]: Without dead ends: 1361 [2024-11-09 05:17:31,194 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 05:17:31,199 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 32 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:17:31,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 167 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:17:31,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2024-11-09 05:17:31,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1235. [2024-11-09 05:17:31,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 1227 states have (on average 2.5558272208638955) internal successors, (3136), 1234 states have internal predecessors, (3136), 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 05:17:31,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 3136 transitions. [2024-11-09 05:17:31,369 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 3136 transitions. Word has length 33 [2024-11-09 05:17:31,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:17:31,370 INFO L471 AbstractCegarLoop]: Abstraction has 1235 states and 3136 transitions. [2024-11-09 05:17:31,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 05:17:31,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 3136 transitions. [2024-11-09 05:17:31,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 05:17:31,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:17:31,372 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] [2024-11-09 05:17:31,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:17:31,373 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-09 05:17:31,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:17:31,374 INFO L85 PathProgramCache]: Analyzing trace with hash 273320334, now seen corresponding path program 1 times [2024-11-09 05:17:31,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:17:31,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875718447] [2024-11-09 05:17:31,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:17:31,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:17:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:17:31,547 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 05:17:31,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:17:31,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875718447] [2024-11-09 05:17:31,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875718447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:17:31,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:17:31,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:17:31,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94407257] [2024-11-09 05:17:31,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:17:31,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:17:31,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:17:31,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:17:31,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:17:31,558 INFO L87 Difference]: Start difference. First operand 1235 states and 3136 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 05:17:31,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:17:31,703 INFO L93 Difference]: Finished difference Result 1629 states and 4122 transitions. [2024-11-09 05:17:31,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:17:31,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2024-11-09 05:17:31,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:17:31,721 INFO L225 Difference]: With dead ends: 1629 [2024-11-09 05:17:31,722 INFO L226 Difference]: Without dead ends: 1529 [2024-11-09 05:17:31,726 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 05:17:31,728 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 43 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:17:31,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 145 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:17:31,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2024-11-09 05:17:31,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1205. [2024-11-09 05:17:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1201 states have (on average 2.5412156536219817) internal successors, (3052), 1204 states have internal predecessors, (3052), 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 05:17:31,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 3052 transitions. [2024-11-09 05:17:31,795 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 3052 transitions. Word has length 33 [2024-11-09 05:17:31,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:17:31,796 INFO L471 AbstractCegarLoop]: Abstraction has 1205 states and 3052 transitions. [2024-11-09 05:17:31,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 05:17:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 3052 transitions. [2024-11-09 05:17:31,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 05:17:31,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:17:31,803 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] [2024-11-09 05:17:31,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:17:31,804 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-09 05:17:31,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:17:31,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1920644994, now seen corresponding path program 1 times [2024-11-09 05:17:31,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:17:31,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477673835] [2024-11-09 05:17:31,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:17:31,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:17:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:17:31,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:17:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:17:31,939 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:17:31,939 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:17:31,941 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2024-11-09 05:17:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2024-11-09 05:17:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2024-11-09 05:17:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2024-11-09 05:17:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2024-11-09 05:17:31,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2024-11-09 05:17:31,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2024-11-09 05:17:31,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 11 remaining) [2024-11-09 05:17:31,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 11 remaining) [2024-11-09 05:17:31,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2024-11-09 05:17:31,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2024-11-09 05:17:31,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:17:31,953 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 05:17:32,018 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 05:17:32,018 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:17:32,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:17:32 BasicIcfg [2024-11-09 05:17:32,024 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:17:32,024 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:17:32,024 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:17:32,024 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:17:32,025 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:29" (3/4) ... [2024-11-09 05:17:32,026 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 05:17:32,073 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:17:32,074 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:17:32,074 INFO L158 Benchmark]: Toolchain (without parser) took 3916.46ms. Allocated memory is still 174.1MB. Free memory was 126.5MB in the beginning and 71.8MB in the end (delta: 54.7MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2024-11-09 05:17:32,075 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory was 96.4MB in the beginning and 96.4MB in the end (delta: 32.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:17:32,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1075.98ms. Allocated memory is still 174.1MB. Free memory was 126.0MB in the beginning and 132.5MB in the end (delta: -6.5MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-11-09 05:17:32,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.88ms. Allocated memory is still 174.1MB. Free memory was 132.3MB in the beginning and 129.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:17:32,076 INFO L158 Benchmark]: Boogie Preprocessor took 60.37ms. Allocated memory is still 174.1MB. Free memory was 129.3MB in the beginning and 128.3MB in the end (delta: 935.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:17:32,077 INFO L158 Benchmark]: RCFGBuilder took 578.37ms. Allocated memory is still 174.1MB. Free memory was 128.3MB in the beginning and 112.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 05:17:32,077 INFO L158 Benchmark]: TraceAbstraction took 2049.50ms. Allocated memory is still 174.1MB. Free memory was 111.5MB in the beginning and 76.0MB in the end (delta: 35.5MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-11-09 05:17:32,078 INFO L158 Benchmark]: Witness Printer took 49.74ms. Allocated memory is still 174.1MB. Free memory was 76.0MB in the beginning and 71.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:17:32,080 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory was 96.4MB in the beginning and 96.4MB in the end (delta: 32.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1075.98ms. Allocated memory is still 174.1MB. Free memory was 126.0MB in the beginning and 132.5MB in the end (delta: -6.5MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.88ms. Allocated memory is still 174.1MB. Free memory was 132.3MB in the beginning and 129.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.37ms. Allocated memory is still 174.1MB. Free memory was 129.3MB in the beginning and 128.3MB in the end (delta: 935.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 578.37ms. Allocated memory is still 174.1MB. Free memory was 128.3MB in the beginning and 112.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2049.50ms. Allocated memory is still 174.1MB. Free memory was 111.5MB in the beginning and 76.0MB in the end (delta: 35.5MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Witness Printer took 49.74ms. Allocated memory is still 174.1MB. Free memory was 76.0MB in the beginning and 71.8MB 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: 1111]: Data race detected Data race detected The following path leads to a data race: [L1108] 0 char *v; VAL [v={0:0}] [L1121] 0 pthread_t t1, t2; VAL [v={0:0}] [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [t1=-1, v={0:0}] [L1111] EXPR, FCALL 1 calloc(8, sizeof(char)) [L1111] 1 v = calloc(8, sizeof(char)) VAL [\old(arg)={0:0}, arg={0:0}, v={-2:0}] [L1123] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [t1=-1, t2=0, v={-2:0}] [L1116] 2 \read(*v) VAL [\old(arg)={0:0}, arg={0:0}, v={-2:0}] [L1111] 1 v = calloc(8, sizeof(char)) VAL [\old(arg)={0:0}, arg={0:0}, v={-2:0}] Now there is a data race on ~v~0 between C: if (v) strcpy(v, "Bigshot"); [1116] and C: v = calloc(8, sizeof(char)) [1111] - UnprovableResult [Line: 1116]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1116]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1126]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1126]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1126]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1122]: 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: 1123]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 143 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 312 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 121 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 191 mSDtfsCounter, 51 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=1235occurred in iteration=1, 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: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 450 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 68 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 05:17:32,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eadd2a5-c3b6-4d96-b0af-2e85ac757edf/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