./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.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_9484b002-a63f-43c3-83b6-6d228453df18/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/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_9484b002-a63f-43c3-83b6-6d228453df18/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/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_9484b002-a63f-43c3-83b6-6d228453df18/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 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:35:26,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:35:26,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 05:35:26,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:35:26,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:35:27,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:35:27,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:35:27,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:35:27,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:35:27,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:35:27,031 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:35:27,032 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:35:27,032 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:35:27,033 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:35:27,033 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:35:27,034 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:35:27,034 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:35:27,034 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:35:27,035 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:35:27,035 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:35:27,036 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:35:27,037 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:35:27,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:35:27,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:35:27,039 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:35:27,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:35:27,040 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:35:27,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:35:27,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:35:27,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:35:27,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:35:27,046 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 05:35:27,046 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:35:27,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:35:27,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:35:27,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:35:27,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:35:27,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:35:27,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:35:27,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:35:27,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:35:27,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:35:27,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:35:27,050 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:35:27,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:35:27,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:35:27,051 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:35:27,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:35:27,052 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_9484b002-a63f-43c3-83b6-6d228453df18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae [2024-11-09 05:35:27,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:35:27,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:35:27,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:35:27,353 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:35:27,354 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:35:27,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i Unable to find full path for "g++" [2024-11-09 05:35:29,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:35:30,154 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:35:30,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2024-11-09 05:35:30,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/bin/utaipan-verify-YMUCfTKeje/data/e3432cec6/65c0bba2dfb04399919fe81a8219331e/FLAG358abefcd [2024-11-09 05:35:30,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/bin/utaipan-verify-YMUCfTKeje/data/e3432cec6/65c0bba2dfb04399919fe81a8219331e [2024-11-09 05:35:30,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:35:30,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:35:30,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:35:30,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:35:30,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:35:30,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:35:30" (1/1) ... [2024-11-09 05:35:30,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369f06c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:30, skipping insertion in model container [2024-11-09 05:35:30,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:35:30" (1/1) ... [2024-11-09 05:35:30,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:35:31,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:35:31,034 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:35:31,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:35:31,175 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:35:31,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:31 WrapperNode [2024-11-09 05:35:31,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:35:31,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:35:31,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:35:31,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:35:31,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:31" (1/1) ... [2024-11-09 05:35:31,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:31" (1/1) ... [2024-11-09 05:35:31,242 INFO L138 Inliner]: procedures = 162, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-11-09 05:35:31,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:35:31,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:35:31,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:35:31,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:35:31,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:31" (1/1) ... [2024-11-09 05:35:31,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:31" (1/1) ... [2024-11-09 05:35:31,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:31" (1/1) ... [2024-11-09 05:35:31,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:31" (1/1) ... [2024-11-09 05:35:31,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:31" (1/1) ... [2024-11-09 05:35:31,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:31" (1/1) ... [2024-11-09 05:35:31,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:31" (1/1) ... [2024-11-09 05:35:31,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:31" (1/1) ... [2024-11-09 05:35:31,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:35:31,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:35:31,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:35:31,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:35:31,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:31" (1/1) ... [2024-11-09 05:35:31,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:35:31,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:31,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:35:31,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:35:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 05:35:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:35:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 05:35:31,375 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 05:35:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:35:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 05:35:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:35:31,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:35:31,378 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 05:35:31,560 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:35:31,578 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:35:31,771 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 05:35:31,771 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:35:31,801 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:35:31,801 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:35:31,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:35:31 BoogieIcfgContainer [2024-11-09 05:35:31,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:35:31,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:35:31,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:35:31,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:35:31,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:35:30" (1/3) ... [2024-11-09 05:35:31,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e6cbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:35:31, skipping insertion in model container [2024-11-09 05:35:31,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:31" (2/3) ... [2024-11-09 05:35:31,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e6cbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:35:31, skipping insertion in model container [2024-11-09 05:35:31,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:35:31" (3/3) ... [2024-11-09 05:35:31,812 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_57-singlethreaded-unlock_true.i [2024-11-09 05:35:31,835 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:35:31,836 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-09 05:35:31,836 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 05:35:31,885 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 05:35:31,920 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65 places, 63 transitions, 130 flow [2024-11-09 05:35:31,936 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 57 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 56 states have internal predecessors, (68), 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 05:35:31,965 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:35:31,972 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;@5a0361d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:35:31,972 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 05:35:31,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 56 states have internal predecessors, (68), 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 05:35:31,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 05:35:31,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:31,982 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] [2024-11-09 05:35:31,983 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-09 05:35:31,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:31,988 INFO L85 PathProgramCache]: Analyzing trace with hash 46841030, now seen corresponding path program 1 times [2024-11-09 05:35:31,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:31,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353073660] [2024-11-09 05:35:31,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:32,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:32,288 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 05:35:32,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:32,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353073660] [2024-11-09 05:35:32,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353073660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:32,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:32,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:35:32,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569348316] [2024-11-09 05:35:32,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:32,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:35:32,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:32,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:35:32,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:35:32,331 INFO L87 Difference]: Start difference. First operand has 57 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 56 states have internal predecessors, (68), 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 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 05:35:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:32,389 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2024-11-09 05:35:32,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:35:32,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2024-11-09 05:35:32,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:32,402 INFO L225 Difference]: With dead ends: 57 [2024-11-09 05:35:32,402 INFO L226 Difference]: Without dead ends: 56 [2024-11-09 05:35:32,405 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 05:35:32,411 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:32,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 69 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:35:32,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-09 05:35:32,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-09 05:35:32,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 55 states have internal predecessors, (67), 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 05:35:32,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 67 transitions. [2024-11-09 05:35:32,457 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 67 transitions. Word has length 22 [2024-11-09 05:35:32,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:32,458 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 67 transitions. [2024-11-09 05:35:32,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 05:35:32,459 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2024-11-09 05:35:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 05:35:32,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:32,460 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] [2024-11-09 05:35:32,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:35:32,460 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-09 05:35:32,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:32,461 INFO L85 PathProgramCache]: Analyzing trace with hash 96251711, now seen corresponding path program 1 times [2024-11-09 05:35:32,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:32,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490323747] [2024-11-09 05:35:32,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:32,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:32,589 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 05:35:32,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:32,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490323747] [2024-11-09 05:35:32,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490323747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:32,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:32,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:35:32,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721475319] [2024-11-09 05:35:32,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:32,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:35:32,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:32,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:35:32,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:35:32,597 INFO L87 Difference]: Start difference. First operand 56 states and 67 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 05:35:32,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:32,629 INFO L93 Difference]: Finished difference Result 56 states and 67 transitions. [2024-11-09 05:35:32,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:35:32,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2024-11-09 05:35:32,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:32,630 INFO L225 Difference]: With dead ends: 56 [2024-11-09 05:35:32,630 INFO L226 Difference]: Without dead ends: 55 [2024-11-09 05:35:32,631 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 05:35:32,632 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:32,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 68 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:35:32,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-09 05:35:32,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-09 05:35:32,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 54 states have internal predecessors, (66), 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 05:35:32,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2024-11-09 05:35:32,639 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 29 [2024-11-09 05:35:32,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:32,640 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2024-11-09 05:35:32,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 05:35:32,640 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2024-11-09 05:35:32,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 05:35:32,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:32,641 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] [2024-11-09 05:35:32,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:35:32,642 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-09 05:35:32,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:32,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1495311890, now seen corresponding path program 1 times [2024-11-09 05:35:32,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:32,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112300366] [2024-11-09 05:35:32,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:32,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:32,754 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 05:35:32,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:32,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112300366] [2024-11-09 05:35:32,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112300366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:32,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:32,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:35:32,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516199404] [2024-11-09 05:35:32,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:32,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:35:32,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:32,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:35:32,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:35:32,760 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 05:35:32,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:32,788 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2024-11-09 05:35:32,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:35:32,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2024-11-09 05:35:32,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:32,791 INFO L225 Difference]: With dead ends: 55 [2024-11-09 05:35:32,791 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:35:32,792 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 05:35:32,793 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 3 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:32,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 74 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:35:32,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:35:32,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:35:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:32,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:35:32,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2024-11-09 05:35:32,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:32,801 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:35:32,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 05:35:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:35:32,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:35:32,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2024-11-09 05:35:32,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2024-11-09 05:35:32,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2024-11-09 05:35:32,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-09 05:35:32,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:35:32,812 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 05:35:32,817 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 05:35:32,817 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:35:32,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:35:32 BasicIcfg [2024-11-09 05:35:32,823 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:35:32,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:35:32,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:35:32,825 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:35:32,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:35:31" (3/4) ... [2024-11-09 05:35:32,828 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:35:32,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-09 05:35:32,838 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 05:35:32,838 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:35:32,838 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 05:35:32,838 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:35:32,927 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:35:32,927 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:35:32,927 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:35:32,928 INFO L158 Benchmark]: Toolchain (without parser) took 2476.85ms. Allocated memory is still 151.0MB. Free memory was 111.7MB in the beginning and 65.5MB in the end (delta: 46.2MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-11-09 05:35:32,929 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 119.5MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:35:32,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.56ms. Allocated memory is still 151.0MB. Free memory was 111.7MB in the beginning and 90.0MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 05:35:32,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.50ms. Allocated memory is still 151.0MB. Free memory was 90.0MB in the beginning and 87.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:35:32,932 INFO L158 Benchmark]: Boogie Preprocessor took 33.17ms. Allocated memory is still 151.0MB. Free memory was 87.9MB in the beginning and 86.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:35:32,932 INFO L158 Benchmark]: RCFGBuilder took 523.98ms. Allocated memory is still 151.0MB. Free memory was 86.5MB in the beginning and 115.7MB in the end (delta: -29.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-09 05:35:32,933 INFO L158 Benchmark]: TraceAbstraction took 1018.89ms. Allocated memory is still 151.0MB. Free memory was 115.7MB in the beginning and 69.7MB in the end (delta: 46.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-09 05:35:32,936 INFO L158 Benchmark]: Witness Printer took 103.32ms. Allocated memory is still 151.0MB. Free memory was 69.7MB in the beginning and 65.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:35:32,939 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 119.5MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.56ms. Allocated memory is still 151.0MB. Free memory was 111.7MB in the beginning and 90.0MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.50ms. Allocated memory is still 151.0MB. Free memory was 90.0MB in the beginning and 87.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.17ms. Allocated memory is still 151.0MB. Free memory was 87.9MB in the beginning and 86.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.98ms. Allocated memory is still 151.0MB. Free memory was 86.5MB in the beginning and 115.7MB in the end (delta: -29.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1018.89ms. Allocated memory is still 151.0MB. Free memory was 115.7MB in the beginning and 69.7MB in the end (delta: 46.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 103.32ms. Allocated memory is still 151.0MB. Free memory was 69.7MB in the beginning and 65.5MB 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 - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 67 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 211 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 118 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 05:35:32,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9484b002-a63f-43c3-83b6-6d228453df18/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 Result: TRUE