./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 8dedc3ea8e96f333d418860556906c8618bbf50be75cff10b45de6d34fe23444 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:08:21,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:08:21,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 23:08:21,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:08:21,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:08:21,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:08:21,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:08:21,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:08:21,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:08:21,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:08:21,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:08:21,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:08:21,373 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:08:21,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:08:21,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:08:21,376 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:08:21,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:08:21,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:08:21,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:08:21,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:08:21,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:08:21,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:08:21,380 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 23:08:21,380 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:08:21,381 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:08:21,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:08:21,382 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:08:21,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:08:21,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:08:21,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:08:21,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:08:21,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:08:21,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:08:21,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:08:21,386 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:08:21,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:08:21,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:08:21,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:08:21,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:08:21,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:08:21,388 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:08:21,389 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_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dedc3ea8e96f333d418860556906c8618bbf50be75cff10b45de6d34fe23444 [2023-11-06 23:08:21,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:08:21,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:08:21,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:08:21,763 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:08:21,764 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:08:21,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i [2023-11-06 23:08:24,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:08:25,183 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:08:25,183 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i [2023-11-06 23:08:25,207 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/data/5a8695f66/ae3226c5a7264840a6d8282f185bf635/FLAGf1e4cbad9 [2023-11-06 23:08:25,223 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/data/5a8695f66/ae3226c5a7264840a6d8282f185bf635 [2023-11-06 23:08:25,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:08:25,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:08:25,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:08:25,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:08:25,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:08:25,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:08:25" (1/1) ... [2023-11-06 23:08:25,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5998d0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:25, skipping insertion in model container [2023-11-06 23:08:25,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:08:25" (1/1) ... [2023-11-06 23:08:25,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:08:25,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:08:26,004 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:08:26,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:08:26,226 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:08:26,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:26 WrapperNode [2023-11-06 23:08:26,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:08:26,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:08:26,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:08:26,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:08:26,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:26" (1/1) ... [2023-11-06 23:08:26,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:26" (1/1) ... [2023-11-06 23:08:26,307 INFO L138 Inliner]: procedures = 363, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2023-11-06 23:08:26,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:08:26,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:08:26,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:08:26,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:08:26,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:26" (1/1) ... [2023-11-06 23:08:26,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:26" (1/1) ... [2023-11-06 23:08:26,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:26" (1/1) ... [2023-11-06 23:08:26,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:26" (1/1) ... [2023-11-06 23:08:26,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:26" (1/1) ... [2023-11-06 23:08:26,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:26" (1/1) ... [2023-11-06 23:08:26,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:26" (1/1) ... [2023-11-06 23:08:26,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:26" (1/1) ... [2023-11-06 23:08:26,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:08:26,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:08:26,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:08:26,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:08:26,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:26" (1/1) ... [2023-11-06 23:08:26,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:08:26,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:08:26,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:08:26,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:08:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:08:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:08:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:08:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2023-11-06 23:08:26,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2023-11-06 23:08:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:08:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:08:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:08:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:08:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:08:26,470 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:08:26,646 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:08:26,648 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:08:26,854 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:08:26,863 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:08:26,863 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 23:08:26,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:26 BoogieIcfgContainer [2023-11-06 23:08:26,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:08:26,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:08:26,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:08:26,873 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:08:26,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:08:25" (1/3) ... [2023-11-06 23:08:26,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e9a63a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:08:26, skipping insertion in model container [2023-11-06 23:08:26,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:26" (2/3) ... [2023-11-06 23:08:26,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e9a63a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:08:26, skipping insertion in model container [2023-11-06 23:08:26,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:26" (3/3) ... [2023-11-06 23:08:26,877 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-2.i [2023-11-06 23:08:26,886 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 23:08:26,898 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:08:26,898 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-11-06 23:08:26,899 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:08:26,986 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-06 23:08:27,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 120 transitions, 247 flow [2023-11-06 23:08:27,125 INFO L124 PetriNetUnfolderBase]: 8/119 cut-off events. [2023-11-06 23:08:27,126 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 23:08:27,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 119 events. 8/119 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 143 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2023-11-06 23:08:27,132 INFO L82 GeneralOperation]: Start removeDead. Operand has 116 places, 120 transitions, 247 flow [2023-11-06 23:08:27,139 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 111 transitions, 228 flow [2023-11-06 23:08:27,143 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:08:27,155 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 111 transitions, 228 flow [2023-11-06 23:08:27,158 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 111 transitions, 228 flow [2023-11-06 23:08:27,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 107 places, 111 transitions, 228 flow [2023-11-06 23:08:27,193 INFO L124 PetriNetUnfolderBase]: 8/111 cut-off events. [2023-11-06 23:08:27,193 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 23:08:27,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 111 events. 8/111 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 142 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2023-11-06 23:08:27,197 INFO L119 LiptonReduction]: Number of co-enabled transitions 1728 [2023-11-06 23:08:29,618 INFO L134 LiptonReduction]: Checked pairs total: 3441 [2023-11-06 23:08:29,618 INFO L136 LiptonReduction]: Total number of compositions: 102 [2023-11-06 23:08:29,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:08:29,643 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@50d21abd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:08:29,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-06 23:08:29,647 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 23:08:29,648 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2023-11-06 23:08:29,648 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 23:08:29,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:08:29,649 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-06 23:08:29,649 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 23:08:29,654 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:29,655 INFO L85 PathProgramCache]: Analyzing trace with hash 13261193, now seen corresponding path program 1 times [2023-11-06 23:08:29,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:29,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278458893] [2023-11-06 23:08:29,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:29,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:08:29,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:29,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278458893] [2023-11-06 23:08:29,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278458893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:29,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:29,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 23:08:29,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140534396] [2023-11-06 23:08:29,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:29,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:08:29,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:29,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:08:29,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:08:29,968 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 222 [2023-11-06 23:08:29,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 25 transitions, 56 flow. Second operand has 2 states, 2 states have (on average 111.0) internal successors, (222), 2 states have internal predecessors, (222), 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) [2023-11-06 23:08:29,972 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:08:29,972 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 222 [2023-11-06 23:08:29,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:08:30,061 INFO L124 PetriNetUnfolderBase]: 31/97 cut-off events. [2023-11-06 23:08:30,062 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 23:08:30,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 97 events. 31/97 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 356 event pairs, 20 based on Foata normal form. 1/77 useless extension candidates. Maximal degree in co-relation 154. Up to 64 conditions per place. [2023-11-06 23:08:30,066 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 13 selfloop transitions, 0 changer transitions 1/22 dead transitions. [2023-11-06 23:08:30,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 22 transitions, 78 flow [2023-11-06 23:08:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:08:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 23:08:30,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 235 transitions. [2023-11-06 23:08:30,091 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5292792792792793 [2023-11-06 23:08:30,092 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 235 transitions. [2023-11-06 23:08:30,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 235 transitions. [2023-11-06 23:08:30,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:08:30,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 235 transitions. [2023-11-06 23:08:30,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 117.5) internal successors, (235), 2 states have internal predecessors, (235), 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) [2023-11-06 23:08:30,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 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) [2023-11-06 23:08:30,112 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 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) [2023-11-06 23:08:30,114 INFO L175 Difference]: Start difference. First operand has 27 places, 25 transitions, 56 flow. Second operand 2 states and 235 transitions. [2023-11-06 23:08:30,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 22 transitions, 78 flow [2023-11-06 23:08:30,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 22 transitions, 74 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:08:30,119 INFO L231 Difference]: Finished difference. Result has 23 places, 21 transitions, 43 flow [2023-11-06 23:08:30,122 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=43, PETRI_PLACES=23, PETRI_TRANSITIONS=21} [2023-11-06 23:08:30,126 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, -4 predicate places. [2023-11-06 23:08:30,126 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 21 transitions, 43 flow [2023-11-06 23:08:30,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 111.0) internal successors, (222), 2 states have internal predecessors, (222), 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) [2023-11-06 23:08:30,127 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:08:30,127 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 23:08:30,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:08:30,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 23:08:30,130 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:30,130 INFO L85 PathProgramCache]: Analyzing trace with hash 411062424, now seen corresponding path program 1 times [2023-11-06 23:08:30,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:30,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856688577] [2023-11-06 23:08:30,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:30,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:08:30,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:30,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856688577] [2023-11-06 23:08:30,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856688577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:30,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:30,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:08:30,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846206452] [2023-11-06 23:08:30,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:30,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:08:30,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:30,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:08:30,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:08:30,267 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 222 [2023-11-06 23:08:30,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 21 transitions, 43 flow. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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) [2023-11-06 23:08:30,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:08:30,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 222 [2023-11-06 23:08:30,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:08:30,356 INFO L124 PetriNetUnfolderBase]: 84/188 cut-off events. [2023-11-06 23:08:30,357 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:08:30,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 188 events. 84/188 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 657 event pairs, 22 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 364. Up to 93 conditions per place. [2023-11-06 23:08:30,359 INFO L140 encePairwiseOnDemand]: 214/222 looper letters, 28 selfloop transitions, 6 changer transitions 0/36 dead transitions. [2023-11-06 23:08:30,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 36 transitions, 141 flow [2023-11-06 23:08:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:08:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:08:30,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2023-11-06 23:08:30,363 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.481981981981982 [2023-11-06 23:08:30,363 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 321 transitions. [2023-11-06 23:08:30,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions. [2023-11-06 23:08:30,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:08:30,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions. [2023-11-06 23:08:30,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2023-11-06 23:08:30,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 222.0) internal successors, (888), 4 states have internal predecessors, (888), 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) [2023-11-06 23:08:30,369 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 222.0) internal successors, (888), 4 states have internal predecessors, (888), 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) [2023-11-06 23:08:30,369 INFO L175 Difference]: Start difference. First operand has 23 places, 21 transitions, 43 flow. Second operand 3 states and 321 transitions. [2023-11-06 23:08:30,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 36 transitions, 141 flow [2023-11-06 23:08:30,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 36 transitions, 141 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:08:30,371 INFO L231 Difference]: Finished difference. Result has 26 places, 27 transitions, 95 flow [2023-11-06 23:08:30,371 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=43, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=26, PETRI_TRANSITIONS=27} [2023-11-06 23:08:30,372 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, -1 predicate places. [2023-11-06 23:08:30,372 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 27 transitions, 95 flow [2023-11-06 23:08:30,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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) [2023-11-06 23:08:30,373 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:08:30,373 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:30,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:08:30,374 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 23:08:30,374 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:30,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1977973501, now seen corresponding path program 1 times [2023-11-06 23:08:30,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:30,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162084044] [2023-11-06 23:08:30,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:30,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:08:30,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:30,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162084044] [2023-11-06 23:08:30,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162084044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:30,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:30,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:08:30,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976790761] [2023-11-06 23:08:30,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:30,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:08:30,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:30,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:08:30,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:08:30,456 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 222 [2023-11-06 23:08:30,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 27 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2023-11-06 23:08:30,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:08:30,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 222 [2023-11-06 23:08:30,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:08:30,523 INFO L124 PetriNetUnfolderBase]: 81/184 cut-off events. [2023-11-06 23:08:30,523 INFO L125 PetriNetUnfolderBase]: For 65/69 co-relation queries the response was YES. [2023-11-06 23:08:30,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 184 events. 81/184 cut-off events. For 65/69 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 632 event pairs, 33 based on Foata normal form. 2/178 useless extension candidates. Maximal degree in co-relation 454. Up to 142 conditions per place. [2023-11-06 23:08:30,526 INFO L140 encePairwiseOnDemand]: 217/222 looper letters, 22 selfloop transitions, 6 changer transitions 1/36 dead transitions. [2023-11-06 23:08:30,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 36 transitions, 181 flow [2023-11-06 23:08:30,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:08:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:08:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 316 transitions. [2023-11-06 23:08:30,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4744744744744745 [2023-11-06 23:08:30,529 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 316 transitions. [2023-11-06 23:08:30,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 316 transitions. [2023-11-06 23:08:30,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:08:30,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 316 transitions. [2023-11-06 23:08:30,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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) [2023-11-06 23:08:30,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 222.0) internal successors, (888), 4 states have internal predecessors, (888), 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) [2023-11-06 23:08:30,534 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 222.0) internal successors, (888), 4 states have internal predecessors, (888), 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) [2023-11-06 23:08:30,534 INFO L175 Difference]: Start difference. First operand has 26 places, 27 transitions, 95 flow. Second operand 3 states and 316 transitions. [2023-11-06 23:08:30,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 36 transitions, 181 flow [2023-11-06 23:08:30,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 36 transitions, 165 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:08:30,537 INFO L231 Difference]: Finished difference. Result has 27 places, 31 transitions, 125 flow [2023-11-06 23:08:30,538 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=125, PETRI_PLACES=27, PETRI_TRANSITIONS=31} [2023-11-06 23:08:30,539 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2023-11-06 23:08:30,539 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 31 transitions, 125 flow [2023-11-06 23:08:30,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2023-11-06 23:08:30,539 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:08:30,540 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:30,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:08:30,540 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 23:08:30,541 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:30,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1222145444, now seen corresponding path program 1 times [2023-11-06 23:08:30,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:30,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881676722] [2023-11-06 23:08:30,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:30,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:30,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:08:30,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:30,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881676722] [2023-11-06 23:08:30,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881676722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:30,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:30,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:08:30,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66125253] [2023-11-06 23:08:30,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:30,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:08:30,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:30,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:08:30,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:08:30,620 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 222 [2023-11-06 23:08:30,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 31 transitions, 125 flow. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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) [2023-11-06 23:08:30,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:08:30,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 222 [2023-11-06 23:08:30,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:08:30,686 INFO L124 PetriNetUnfolderBase]: 88/189 cut-off events. [2023-11-06 23:08:30,686 INFO L125 PetriNetUnfolderBase]: For 105/114 co-relation queries the response was YES. [2023-11-06 23:08:30,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 510 conditions, 189 events. 88/189 cut-off events. For 105/114 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 629 event pairs, 33 based on Foata normal form. 3/181 useless extension candidates. Maximal degree in co-relation 504. Up to 153 conditions per place. [2023-11-06 23:08:30,690 INFO L140 encePairwiseOnDemand]: 217/222 looper letters, 23 selfloop transitions, 8 changer transitions 1/39 dead transitions. [2023-11-06 23:08:30,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 39 transitions, 219 flow [2023-11-06 23:08:30,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:08:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:08:30,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2023-11-06 23:08:30,693 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.481981981981982 [2023-11-06 23:08:30,693 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 321 transitions. [2023-11-06 23:08:30,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions. [2023-11-06 23:08:30,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:08:30,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions. [2023-11-06 23:08:30,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2023-11-06 23:08:30,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 222.0) internal successors, (888), 4 states have internal predecessors, (888), 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) [2023-11-06 23:08:30,698 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 222.0) internal successors, (888), 4 states have internal predecessors, (888), 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) [2023-11-06 23:08:30,698 INFO L175 Difference]: Start difference. First operand has 27 places, 31 transitions, 125 flow. Second operand 3 states and 321 transitions. [2023-11-06 23:08:30,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 39 transitions, 219 flow [2023-11-06 23:08:30,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 39 transitions, 211 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:08:30,705 INFO L231 Difference]: Finished difference. Result has 29 places, 35 transitions, 171 flow [2023-11-06 23:08:30,705 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=171, PETRI_PLACES=29, PETRI_TRANSITIONS=35} [2023-11-06 23:08:30,706 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, 2 predicate places. [2023-11-06 23:08:30,709 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 35 transitions, 171 flow [2023-11-06 23:08:30,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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) [2023-11-06 23:08:30,710 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:08:30,710 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:30,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:08:30,710 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 23:08:30,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:30,712 INFO L85 PathProgramCache]: Analyzing trace with hash -40355003, now seen corresponding path program 1 times [2023-11-06 23:08:30,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:30,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168166969] [2023-11-06 23:08:30,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:30,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:08:30,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:08:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:08:30,801 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:08:30,801 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:08:30,802 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-11-06 23:08:30,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-11-06 23:08:30,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-11-06 23:08:30,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2023-11-06 23:08:30,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-11-06 23:08:30,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2023-11-06 23:08:30,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 10 remaining) [2023-11-06 23:08:30,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-11-06 23:08:30,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-11-06 23:08:30,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-11-06 23:08:30,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:08:30,812 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 23:08:30,819 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 23:08:30,820 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:08:30,851 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,852 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,854 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,854 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,855 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,855 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,855 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,855 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,855 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,856 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,857 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,858 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,858 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,858 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,858 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,859 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,859 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,859 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,859 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,860 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,860 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,860 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,860 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,861 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,861 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,862 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,862 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,862 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,862 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,862 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,863 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,863 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,863 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,863 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,864 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:08:30 BasicIcfg [2023-11-06 23:08:30,874 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:08:30,875 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:08:30,875 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:08:30,875 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:08:30,875 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:26" (3/4) ... [2023-11-06 23:08:30,878 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:08:30,879 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:08:30,881 INFO L158 Benchmark]: Toolchain (without parser) took 5651.85ms. Allocated memory was 130.0MB in the beginning and 180.4MB in the end (delta: 50.3MB). Free memory was 83.1MB in the beginning and 65.4MB in the end (delta: 17.7MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2023-11-06 23:08:30,881 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:08:30,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 997.84ms. Allocated memory was 130.0MB in the beginning and 180.4MB in the end (delta: 50.3MB). Free memory was 83.1MB in the beginning and 143.7MB in the end (delta: -60.6MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2023-11-06 23:08:30,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.75ms. Allocated memory is still 180.4MB. Free memory was 143.7MB in the beginning and 140.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:08:30,889 INFO L158 Benchmark]: Boogie Preprocessor took 41.43ms. Allocated memory is still 180.4MB. Free memory was 140.6MB in the beginning and 138.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:08:30,889 INFO L158 Benchmark]: RCFGBuilder took 514.98ms. Allocated memory is still 180.4MB. Free memory was 138.6MB in the beginning and 123.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 23:08:30,890 INFO L158 Benchmark]: TraceAbstraction took 4004.98ms. Allocated memory is still 180.4MB. Free memory was 122.9MB in the beginning and 66.5MB in the end (delta: 56.5MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2023-11-06 23:08:30,890 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 180.4MB. Free memory was 66.5MB in the beginning and 65.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:08:30,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 997.84ms. Allocated memory was 130.0MB in the beginning and 180.4MB in the end (delta: 50.3MB). Free memory was 83.1MB in the beginning and 143.7MB in the end (delta: -60.6MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.75ms. Allocated memory is still 180.4MB. Free memory was 143.7MB in the beginning and 140.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.43ms. Allocated memory is still 180.4MB. Free memory was 140.6MB in the beginning and 138.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.98ms. Allocated memory is still 180.4MB. Free memory was 138.6MB in the beginning and 123.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4004.98ms. Allocated memory is still 180.4MB. Free memory was 122.9MB in the beginning and 66.5MB in the end (delta: 56.5MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 180.4MB. Free memory was 66.5MB in the beginning and 65.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 107 PlacesBefore, 27 PlacesAfterwards, 111 TransitionsBefore, 25 TransitionsAfterwards, 1728 CoEnabledTransitionPairs, 6 FixpointIterations, 44 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 8 ConcurrentYvCompositions, 6 ChoiceCompositions, 102 TotalNumberOfCompositions, 3441 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1801, independent: 1635, independent conditional: 0, independent unconditional: 1635, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 912, independent: 888, independent conditional: 0, independent unconditional: 888, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1801, independent: 747, independent conditional: 0, independent unconditional: 747, dependent: 142, dependent conditional: 0, dependent unconditional: 142, unknown: 912, unknown conditional: 0, unknown unconditional: 912] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 58, Positive conditional cache size: 0, Positive unconditional cache size: 58, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1325]: Data race detected [2023-11-06 23:08:30,910 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,910 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,910 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,910 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,911 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,911 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,911 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,911 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,911 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,911 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,912 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,912 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,912 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,912 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,912 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,913 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,913 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,913 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,913 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,913 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,913 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,914 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,914 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,914 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,914 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,914 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,914 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,915 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,915 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,915 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,915 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,915 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,915 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,915 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,916 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,925 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,925 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,925 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,926 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,926 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,926 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,926 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,926 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,926 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,927 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,927 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,927 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,927 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,927 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,927 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,928 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,928 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,928 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,928 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,928 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,929 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,929 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,929 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,929 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,929 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,930 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,930 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,930 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:08:30,930 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,930 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,930 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:08:30,931 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:08:30,931 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:08:30,931 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:08:30,931 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock Data race detected The following path leads to a data race: [L1318] 0 int myglobal; [L1319] 0 pthread_mutex_t mymutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1334] 0 pthread_t mythread; [L1335] 0 int i; [L1336] FCALL, FORK 0 pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0)) VAL [arg={0:0}, myglobal=0, mythread={3:0}, pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0))=-1] [L1322] 1 int i,j; [L1323] 1 i=0 VAL [arg={0:0}, arg={0:0}, i=0, myglobal=0] [L1336] COND FALSE 0 !(pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0))) [L1346] 0 i=0 VAL [arg={0:0}, arg={0:0}, i=0, i=0, myglobal=0, mythread={3:0}] [L1323] COND TRUE 1 i<20 [L1325] 1 j=myglobal VAL [arg={0:0}, arg={0:0}, i=0, myglobal=0] [L1346] COND TRUE 0 i<20 [L1348] EXPR 0 myglobal+1 VAL [arg={0:0}, arg={0:0}, i=0, i=0, myglobal=0, mythread={3:0}] [L1348] 0 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, i=0, i=0, myglobal=1, myglobal=myglobal+1=49, mythread={3:0}] [L1325] 1 j=myglobal VAL [arg={0:0}, arg={0:0}, i=0, myglobal=1] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [1348] and C: j=myglobal [1325] - UnprovableResult [Line: 1348]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1348]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1350]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1354]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1355]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1336]: 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: 1328]: 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, 137 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 107 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 189 IncrementalHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 8 mSDtfsCounter, 189 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=4, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 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! [2023-11-06 23:08:30,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de8d999-f1bb-49d5-99f1-6439cb0b99b7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE