./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68dea9df5539e7fcef3a5df1da960eaa713dc314a245f3b00d1aa4e0736666c8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:58:19,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:58:19,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 16:58:19,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:58:19,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:58:19,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:58:19,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:58:19,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:58:19,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:58:19,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:58:19,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:58:19,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:58:19,677 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:58:19,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:58:19,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:58:19,682 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:58:19,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:58:19,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:58:19,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:58:19,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:58:19,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:58:19,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:58:19,687 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 16:58:19,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:58:19,688 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:58:19,688 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:58:19,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:58:19,689 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:58:19,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:58:19,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:58:19,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:58:19,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:58:19,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:58:19,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:58:19,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:58:19,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:58:19,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:58:19,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:58:19,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:58:19,697 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:58:19,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:58:19,698 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68dea9df5539e7fcef3a5df1da960eaa713dc314a245f3b00d1aa4e0736666c8 [2024-11-08 16:58:20,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:58:20,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:58:20,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:58:20,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:58:20,176 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:58:20,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i Unable to find full path for "g++" [2024-11-08 16:58:23,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:58:23,590 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:58:23,591 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i [2024-11-08 16:58:23,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/data/aaa080bb1/a1fa456fc2d4451c861a2ff6b3239148/FLAGcaf92a01f [2024-11-08 16:58:23,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/data/aaa080bb1/a1fa456fc2d4451c861a2ff6b3239148 [2024-11-08 16:58:23,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:58:23,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:58:23,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:58:23,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:58:23,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:58:23,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:58:23" (1/1) ... [2024-11-08 16:58:23,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f58909e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:23, skipping insertion in model container [2024-11-08 16:58:23,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:58:23" (1/1) ... [2024-11-08 16:58:23,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:58:24,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:58:24,939 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:58:25,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:58:25,138 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:58:25,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:25 WrapperNode [2024-11-08 16:58:25,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:58:25,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:58:25,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:58:25,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:58:25,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:25" (1/1) ... [2024-11-08 16:58:25,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:25" (1/1) ... [2024-11-08 16:58:25,223 INFO L138 Inliner]: procedures = 261, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 87 [2024-11-08 16:58:25,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:58:25,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:58:25,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:58:25,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:58:25,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:25" (1/1) ... [2024-11-08 16:58:25,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:25" (1/1) ... [2024-11-08 16:58:25,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:25" (1/1) ... [2024-11-08 16:58:25,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:25" (1/1) ... [2024-11-08 16:58:25,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:25" (1/1) ... [2024-11-08 16:58:25,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:25" (1/1) ... [2024-11-08 16:58:25,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:25" (1/1) ... [2024-11-08 16:58:25,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:25" (1/1) ... [2024-11-08 16:58:25,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:58:25,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:58:25,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:58:25,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:58:25,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:25" (1/1) ... [2024-11-08 16:58:25,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:58:25,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:58:25,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:58:25,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:58:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 16:58:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 16:58:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 16:58:25,437 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 16:58:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:58:25,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:58:25,441 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 16:58:25,749 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:58:25,753 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:58:26,149 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 16:58:26,149 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:58:26,187 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:58:26,187 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:58:26,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:58:26 BoogieIcfgContainer [2024-11-08 16:58:26,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:58:26,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:58:26,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:58:26,198 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:58:26,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:58:23" (1/3) ... [2024-11-08 16:58:26,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c290f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:58:26, skipping insertion in model container [2024-11-08 16:58:26,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:25" (2/3) ... [2024-11-08 16:58:26,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c290f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:58:26, skipping insertion in model container [2024-11-08 16:58:26,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:58:26" (3/3) ... [2024-11-08 16:58:26,204 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_38-indexing_malloc.i [2024-11-08 16:58:26,236 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:58:26,236 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-08 16:58:26,237 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 16:58:26,365 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-08 16:58:26,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 114 places, 110 transitions, 227 flow [2024-11-08 16:58:26,536 INFO L124 PetriNetUnfolderBase]: 0/109 cut-off events. [2024-11-08 16:58:26,537 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 16:58:26,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 109 events. 0/109 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-08 16:58:26,545 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 110 transitions, 227 flow [2024-11-08 16:58:26,553 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 104 transitions, 211 flow [2024-11-08 16:58:26,578 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:58:26,594 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2be95c52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:58:26,595 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-08 16:58:26,647 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 16:58:26,648 INFO L124 PetriNetUnfolderBase]: 0/67 cut-off events. [2024-11-08 16:58:26,648 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:58:26,649 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:58:26,650 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-08 16:58:26,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-08 16:58:26,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:58:26,661 INFO L85 PathProgramCache]: Analyzing trace with hash -465451553, now seen corresponding path program 1 times [2024-11-08 16:58:26,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:58:26,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200275922] [2024-11-08 16:58:26,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:58:26,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:58:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:58:27,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:58:27,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200275922] [2024-11-08 16:58:27,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200275922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:58:27,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:58:27,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:58:27,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567201393] [2024-11-08 16:58:27,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:58:27,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:58:27,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:58:27,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:58:27,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:58:27,490 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 110 [2024-11-08 16:58:27,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 104 transitions, 211 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2024-11-08 16:58:27,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:58:27,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 110 [2024-11-08 16:58:27,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:58:27,607 INFO L124 PetriNetUnfolderBase]: 1/118 cut-off events. [2024-11-08 16:58:27,608 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 16:58:27,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 118 events. 1/118 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 92 event pairs, 1 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 48. Up to 9 conditions per place. [2024-11-08 16:58:27,614 INFO L140 encePairwiseOnDemand]: 107/110 looper letters, 6 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2024-11-08 16:58:27,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 103 transitions, 225 flow [2024-11-08 16:58:27,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:58:27,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:58:27,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 306 transitions. [2024-11-08 16:58:27,643 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9272727272727272 [2024-11-08 16:58:27,647 INFO L175 Difference]: Start difference. First operand has 108 places, 104 transitions, 211 flow. Second operand 3 states and 306 transitions. [2024-11-08 16:58:27,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 103 transitions, 225 flow [2024-11-08 16:58:27,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 103 transitions, 224 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:58:27,669 INFO L231 Difference]: Finished difference. Result has 108 places, 103 transitions, 212 flow [2024-11-08 16:58:27,674 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=108, PETRI_TRANSITIONS=103} [2024-11-08 16:58:27,684 INFO L277 CegarLoopForPetriNet]: 108 programPoint places, 0 predicate places. [2024-11-08 16:58:27,685 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 103 transitions, 212 flow [2024-11-08 16:58:27,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2024-11-08 16:58:27,687 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:58:27,688 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-08 16:58:27,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:58:27,690 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-08 16:58:27,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:58:27,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1037827492, now seen corresponding path program 1 times [2024-11-08 16:58:27,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:58:27,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227185453] [2024-11-08 16:58:27,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:58:27,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:58:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:27,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:58:27,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:58:27,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227185453] [2024-11-08 16:58:27,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227185453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:58:27,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:58:27,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:58:27,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829382090] [2024-11-08 16:58:27,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:58:27,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:58:27,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:58:27,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:58:27,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:58:28,023 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 110 [2024-11-08 16:58:28,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 103 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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) [2024-11-08 16:58:28,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:58:28,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 110 [2024-11-08 16:58:28,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:58:28,082 INFO L124 PetriNetUnfolderBase]: 4/127 cut-off events. [2024-11-08 16:58:28,083 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 16:58:28,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 127 events. 4/127 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 143 event pairs, 2 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 72. Up to 12 conditions per place. [2024-11-08 16:58:28,085 INFO L140 encePairwiseOnDemand]: 106/110 looper letters, 6 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2024-11-08 16:58:28,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 103 transitions, 228 flow [2024-11-08 16:58:28,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:58:28,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:58:28,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 313 transitions. [2024-11-08 16:58:28,091 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9484848484848485 [2024-11-08 16:58:28,091 INFO L175 Difference]: Start difference. First operand has 108 places, 103 transitions, 212 flow. Second operand 3 states and 313 transitions. [2024-11-08 16:58:28,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 103 transitions, 228 flow [2024-11-08 16:58:28,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 103 transitions, 224 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:58:28,097 INFO L231 Difference]: Finished difference. Result has 107 places, 103 transitions, 218 flow [2024-11-08 16:58:28,098 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=107, PETRI_TRANSITIONS=103} [2024-11-08 16:58:28,099 INFO L277 CegarLoopForPetriNet]: 108 programPoint places, -1 predicate places. [2024-11-08 16:58:28,100 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 103 transitions, 218 flow [2024-11-08 16:58:28,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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) [2024-11-08 16:58:28,101 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:58:28,101 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:58:28,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:58:28,102 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-08 16:58:28,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:58:28,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1564169146, now seen corresponding path program 1 times [2024-11-08 16:58:28,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:58:28,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292844229] [2024-11-08 16:58:28,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:58:28,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:58:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:29,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:58:29,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:58:29,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292844229] [2024-11-08 16:58:29,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292844229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:58:29,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:58:29,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:58:29,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010750755] [2024-11-08 16:58:29,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:58:29,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:58:29,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:58:29,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:58:29,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:58:29,513 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 110 [2024-11-08 16:58:29,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 103 transitions, 218 flow. Second operand has 6 states, 6 states have (on average 94.5) internal successors, (567), 6 states have internal predecessors, (567), 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) [2024-11-08 16:58:29,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:58:29,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 110 [2024-11-08 16:58:29,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:58:29,794 INFO L124 PetriNetUnfolderBase]: 85/320 cut-off events. [2024-11-08 16:58:29,794 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:58:29,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 530 conditions, 320 events. 85/320 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1169 event pairs, 17 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 448. Up to 96 conditions per place. [2024-11-08 16:58:29,800 INFO L140 encePairwiseOnDemand]: 98/110 looper letters, 27 selfloop transitions, 25 changer transitions 4/143 dead transitions. [2024-11-08 16:58:29,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 143 transitions, 410 flow [2024-11-08 16:58:29,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:58:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:58:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 615 transitions. [2024-11-08 16:58:29,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9318181818181818 [2024-11-08 16:58:29,808 INFO L175 Difference]: Start difference. First operand has 107 places, 103 transitions, 218 flow. Second operand 6 states and 615 transitions. [2024-11-08 16:58:29,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 143 transitions, 410 flow [2024-11-08 16:58:29,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 143 transitions, 410 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:58:29,820 INFO L231 Difference]: Finished difference. Result has 116 places, 128 transitions, 384 flow [2024-11-08 16:58:29,821 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=384, PETRI_PLACES=116, PETRI_TRANSITIONS=128} [2024-11-08 16:58:29,824 INFO L277 CegarLoopForPetriNet]: 108 programPoint places, 8 predicate places. [2024-11-08 16:58:29,824 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 128 transitions, 384 flow [2024-11-08 16:58:29,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.5) internal successors, (567), 6 states have internal predecessors, (567), 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) [2024-11-08 16:58:29,826 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:58:29,827 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:58:29,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:58:29,828 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-08 16:58:29,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:58:29,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1195368616, now seen corresponding path program 1 times [2024-11-08 16:58:29,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:58:29,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386544531] [2024-11-08 16:58:29,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:58:29,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:58:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:58:30,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:58:30,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386544531] [2024-11-08 16:58:30,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386544531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:58:30,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:58:30,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:58:30,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261974251] [2024-11-08 16:58:30,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:58:30,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:58:30,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:58:30,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:58:30,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:58:30,757 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 110 [2024-11-08 16:58:30,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 128 transitions, 384 flow. Second operand has 6 states, 6 states have (on average 92.66666666666667) internal successors, (556), 6 states have internal predecessors, (556), 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) [2024-11-08 16:58:30,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:58:30,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 110 [2024-11-08 16:58:30,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:58:31,050 INFO L124 PetriNetUnfolderBase]: 140/455 cut-off events. [2024-11-08 16:58:31,050 INFO L125 PetriNetUnfolderBase]: For 188/196 co-relation queries the response was YES. [2024-11-08 16:58:31,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1180 conditions, 455 events. 140/455 cut-off events. For 188/196 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2035 event pairs, 18 based on Foata normal form. 13/467 useless extension candidates. Maximal degree in co-relation 1092. Up to 160 conditions per place. [2024-11-08 16:58:31,060 INFO L140 encePairwiseOnDemand]: 98/110 looper letters, 40 selfloop transitions, 31 changer transitions 18/178 dead transitions. [2024-11-08 16:58:31,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 178 transitions, 772 flow [2024-11-08 16:58:31,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:58:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:58:31,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 604 transitions. [2024-11-08 16:58:31,066 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9151515151515152 [2024-11-08 16:58:31,066 INFO L175 Difference]: Start difference. First operand has 116 places, 128 transitions, 384 flow. Second operand 6 states and 604 transitions. [2024-11-08 16:58:31,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 178 transitions, 772 flow [2024-11-08 16:58:31,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 178 transitions, 772 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:58:31,076 INFO L231 Difference]: Finished difference. Result has 125 places, 149 transitions, 606 flow [2024-11-08 16:58:31,077 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=606, PETRI_PLACES=125, PETRI_TRANSITIONS=149} [2024-11-08 16:58:31,078 INFO L277 CegarLoopForPetriNet]: 108 programPoint places, 17 predicate places. [2024-11-08 16:58:31,078 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 149 transitions, 606 flow [2024-11-08 16:58:31,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 92.66666666666667) internal successors, (556), 6 states have internal predecessors, (556), 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) [2024-11-08 16:58:31,080 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:58:31,080 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:58:31,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:58:31,081 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-08 16:58:31,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:58:31,082 INFO L85 PathProgramCache]: Analyzing trace with hash 685088309, now seen corresponding path program 1 times [2024-11-08 16:58:31,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:58:31,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652267605] [2024-11-08 16:58:31,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:58:31,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:58:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:58:31,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:58:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:58:31,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:58:31,282 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:58:31,289 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2024-11-08 16:58:31,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2024-11-08 16:58:31,297 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2024-11-08 16:58:31,297 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2024-11-08 16:58:31,298 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-11-08 16:58:31,298 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2024-11-08 16:58:31,298 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2024-11-08 16:58:31,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2024-11-08 16:58:31,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:58:31,303 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 16:58:31,526 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 16:58:31,527 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:58:31,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:58:31 BasicIcfg [2024-11-08 16:58:31,536 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:58:31,537 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:58:31,538 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:58:31,538 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:58:31,539 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:58:26" (3/4) ... [2024-11-08 16:58:31,541 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 16:58:31,660 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:58:31,663 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:58:31,664 INFO L158 Benchmark]: Toolchain (without parser) took 7945.40ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 86.6MB in the beginning and 128.5MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:58:31,665 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 96.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:58:31,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1415.09ms. Allocated memory is still 140.5MB. Free memory was 86.3MB in the beginning and 56.3MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 16:58:31,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.44ms. Allocated memory is still 140.5MB. Free memory was 56.3MB in the beginning and 53.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:58:31,666 INFO L158 Benchmark]: Boogie Preprocessor took 49.90ms. Allocated memory is still 140.5MB. Free memory was 53.8MB in the beginning and 52.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:58:31,667 INFO L158 Benchmark]: RCFGBuilder took 911.64ms. Allocated memory is still 140.5MB. Free memory was 52.0MB in the beginning and 99.9MB in the end (delta: -47.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-08 16:58:31,670 INFO L158 Benchmark]: TraceAbstraction took 5344.85ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 98.8MB in the beginning and 137.9MB in the end (delta: -39.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-08 16:58:31,671 INFO L158 Benchmark]: Witness Printer took 126.08ms. Allocated memory is still 180.4MB. Free memory was 137.9MB in the beginning and 128.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 16:58:31,673 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 96.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1415.09ms. Allocated memory is still 140.5MB. Free memory was 86.3MB in the beginning and 56.3MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.44ms. Allocated memory is still 140.5MB. Free memory was 56.3MB in the beginning and 53.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.90ms. Allocated memory is still 140.5MB. Free memory was 53.8MB in the beginning and 52.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 911.64ms. Allocated memory is still 140.5MB. Free memory was 52.0MB in the beginning and 99.9MB in the end (delta: -47.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5344.85ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 98.8MB in the beginning and 137.9MB in the end (delta: -39.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Witness Printer took 126.08ms. Allocated memory is still 180.4MB. Free memory was 137.9MB in the beginning and 128.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 990]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int* s; VAL [s={0:0}] [L988] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [s={0:0}] [L994] 0 pthread_t id; VAL [s={0:0}] [L995] 0 s = (int*)malloc(sizeof(int)) VAL [s={-2:0}] [L996] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, id=-1, s={-2:0}] [L990] EXPR 1 s[0] VAL [\old(arg)={0:0}, arg={0:0}, s={-2:0}] [L997] EXPR 0 s[0] VAL [\old(arg)={0:0}, arg={0:0}, id=-1, s={-2:0}] [L997] 0 s[0] = 9 VAL [\old(arg)={0:0}, arg={0:0}, id=-1, s={-2:0}] [L990] EXPR 1 s[0] VAL [\old(arg)={0:0}, arg={0:0}, s={-2:0}] [L990] 1 s[0] = 8 VAL [\old(arg)={0:0}, arg={0:0}, s={-2:0}] [L990] 1 s[0] = 8 VAL [\old(arg)={0:0}, arg={0:0}, s={-2:0}] [L997] 0 s[0] = 9 VAL [\old(arg)={0:0}, arg={0:0}, id=-1, s={-2:0}] [L990] 1 s[0] = 8 VAL [\old(arg)={0:0}, arg={0:0}, s={-2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: s = (int*)malloc(sizeof(int)) [995] * C: s[0] [990] * C: s[0] [997] * C: s[0] = 9 [997] and C: s[0] = 8 [990] - UnprovableResult [Line: 995]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 996]: 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: 990]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 128 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 246 IncrementalHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 20 mSDtfsCounter, 246 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=606occurred in iteration=4, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 476 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2024-11-08 16:58:31,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bed8fe-75ff-4da9-b5d7-3fba744d0289/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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