./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/condvar.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/condvar.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08550a9d023a2de1ac334a3445fa7327c26092d061f764efe50453540d837a7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:06:50,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:06:50,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:06:50,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:06:50,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:06:50,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:06:50,615 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:06:50,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:06:50,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:06:50,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:06:50,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:06:50,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:06:50,619 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:06:50,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:06:50,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:06:50,620 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:06:50,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:06:50,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:06:50,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:06:50,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:06:50,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:06:50,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:06:50,622 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:06:50,622 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:06:50,622 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:06:50,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:06:50,623 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:06:50,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:06:50,623 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:06:50,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:06:50,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:06:50,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:50,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:06:50,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:06:50,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:06:50,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:50,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:06:50,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:06:50,624 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:06:50,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:06:50,624 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:06:50,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:06:50,625 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:06:50,625 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:06:50,625 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:06:50,625 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:06:50,625 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08550a9d023a2de1ac334a3445fa7327c26092d061f764efe50453540d837a7a [2024-11-28 02:06:51,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:06:51,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:06:51,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:06:51,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:06:51,047 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:06:51,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-divine/condvar.i [2024-11-28 02:06:54,043 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/data/e705d5ca4/d4c76a2bd01e495cbf1b212ee4b95926/FLAGc9b519019 [2024-11-28 02:06:54,502 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:06:54,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/sv-benchmarks/c/pthread-divine/condvar.i [2024-11-28 02:06:54,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/data/e705d5ca4/d4c76a2bd01e495cbf1b212ee4b95926/FLAGc9b519019 [2024-11-28 02:06:54,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/data/e705d5ca4/d4c76a2bd01e495cbf1b212ee4b95926 [2024-11-28 02:06:54,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:06:54,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:06:54,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:54,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:06:54,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:06:54,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b89ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54, skipping insertion in model container [2024-11-28 02:06:54,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:06:54,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:55,019 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:06:55,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:55,127 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:06:55,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55 WrapperNode [2024-11-28 02:06:55,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:55,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:55,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:06:55,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:06:55,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,173 INFO L138 Inliner]: procedures = 168, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 178 [2024-11-28 02:06:55,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:55,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:06:55,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:06:55,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:06:55,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,193 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:06:55,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:06:55,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:06:55,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:06:55,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:55,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:55,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:55,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:06:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 02:06:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:06:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:06:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-28 02:06:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-28 02:06:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 02:06:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:06:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:06:55,279 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:06:55,452 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:06:55,454 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:06:55,821 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:06:55,821 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:06:55,860 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:06:55,860 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:06:55,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:55 BoogieIcfgContainer [2024-11-28 02:06:55,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:06:55,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:06:55,867 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:06:55,872 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:06:55,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:06:54" (1/3) ... [2024-11-28 02:06:55,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c979de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:06:55, skipping insertion in model container [2024-11-28 02:06:55,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (2/3) ... [2024-11-28 02:06:55,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c979de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:06:55, skipping insertion in model container [2024-11-28 02:06:55,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:55" (3/3) ... [2024-11-28 02:06:55,875 INFO L128 eAbstractionObserver]: Analyzing ICFG condvar.i [2024-11-28 02:06:55,898 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:06:55,899 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG condvar.i that has 2 procedures, 182 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2024-11-28 02:06:55,900 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:06:55,955 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 02:06:56,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 185 places, 187 transitions, 381 flow [2024-11-28 02:06:56,138 INFO L124 PetriNetUnfolderBase]: 6/186 cut-off events. [2024-11-28 02:06:56,142 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 02:06:56,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 186 events. 6/186 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 128 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2024-11-28 02:06:56,148 INFO L82 GeneralOperation]: Start removeDead. Operand has 185 places, 187 transitions, 381 flow [2024-11-28 02:06:56,156 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 180 places, 182 transitions, 367 flow [2024-11-28 02:06:56,171 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:06:56,194 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a410964, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:06:56,194 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-28 02:06:56,260 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:06:56,263 INFO L124 PetriNetUnfolderBase]: 1/150 cut-off events. [2024-11-28 02:06:56,263 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:06:56,264 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:06:56,264 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:56,265 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:06:56,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:56,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1688690841, now seen corresponding path program 1 times [2024-11-28 02:06:56,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:06:56,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807522124] [2024-11-28 02:06:56,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:56,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:56,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:06:56,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:06:56,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807522124] [2024-11-28 02:06:56,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807522124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:06:56,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:06:56,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:06:56,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601022550] [2024-11-28 02:06:56,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:06:56,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:06:56,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:06:56,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:06:56,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:06:57,012 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 187 [2024-11-28 02:06:57,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 182 transitions, 367 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:57,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:06:57,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 187 [2024-11-28 02:06:57,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:06:57,133 INFO L124 PetriNetUnfolderBase]: 9/220 cut-off events. [2024-11-28 02:06:57,133 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 02:06:57,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 220 events. 9/220 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 300 event pairs, 1 based on Foata normal form. 12/215 useless extension candidates. Maximal degree in co-relation 110. Up to 15 conditions per place. [2024-11-28 02:06:57,138 INFO L140 encePairwiseOnDemand]: 179/187 looper letters, 12 selfloop transitions, 3 changer transitions 0/183 dead transitions. [2024-11-28 02:06:57,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 183 transitions, 399 flow [2024-11-28 02:06:57,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:06:57,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:06:57,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2024-11-28 02:06:57,158 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9679144385026738 [2024-11-28 02:06:57,159 INFO L175 Difference]: Start difference. First operand has 180 places, 182 transitions, 367 flow. Second operand 3 states and 543 transitions. [2024-11-28 02:06:57,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 183 transitions, 399 flow [2024-11-28 02:06:57,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 183 transitions, 398 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:06:57,173 INFO L231 Difference]: Finished difference. Result has 182 places, 180 transitions, 382 flow [2024-11-28 02:06:57,177 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=182, PETRI_TRANSITIONS=180} [2024-11-28 02:06:57,181 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, 2 predicate places. [2024-11-28 02:06:57,183 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 180 transitions, 382 flow [2024-11-28 02:06:57,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:57,185 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:06:57,186 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:57,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:06:57,187 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:06:57,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:57,189 INFO L85 PathProgramCache]: Analyzing trace with hash -836452570, now seen corresponding path program 1 times [2024-11-28 02:06:57,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:06:57,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267555545] [2024-11-28 02:06:57,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:57,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:06:57,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:06:57,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267555545] [2024-11-28 02:06:57,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267555545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:06:57,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:06:57,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:06:57,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883303803] [2024-11-28 02:06:57,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:06:57,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:06:57,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:06:57,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:06:57,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:06:57,465 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 187 [2024-11-28 02:06:57,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 180 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:57,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:06:57,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 187 [2024-11-28 02:06:57,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:06:57,608 INFO L124 PetriNetUnfolderBase]: 15/284 cut-off events. [2024-11-28 02:06:57,608 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-28 02:06:57,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 284 events. 15/284 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 620 event pairs, 3 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 207. Up to 23 conditions per place. [2024-11-28 02:06:57,612 INFO L140 encePairwiseOnDemand]: 183/187 looper letters, 9 selfloop transitions, 3 changer transitions 0/183 dead transitions. [2024-11-28 02:06:57,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 183 transitions, 412 flow [2024-11-28 02:06:57,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:06:57,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:06:57,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2024-11-28 02:06:57,619 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.948306595365419 [2024-11-28 02:06:57,619 INFO L175 Difference]: Start difference. First operand has 182 places, 180 transitions, 382 flow. Second operand 3 states and 532 transitions. [2024-11-28 02:06:57,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 183 transitions, 412 flow [2024-11-28 02:06:57,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 183 transitions, 406 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:06:57,625 INFO L231 Difference]: Finished difference. Result has 184 places, 182 transitions, 398 flow [2024-11-28 02:06:57,628 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=184, PETRI_TRANSITIONS=182} [2024-11-28 02:06:57,629 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, 4 predicate places. [2024-11-28 02:06:57,629 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 182 transitions, 398 flow [2024-11-28 02:06:57,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:57,631 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:06:57,631 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:57,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:06:57,632 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:06:57,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:57,635 INFO L85 PathProgramCache]: Analyzing trace with hash 309125730, now seen corresponding path program 1 times [2024-11-28 02:06:57,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:06:57,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227292065] [2024-11-28 02:06:57,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:57,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:57,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:06:57,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:06:57,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227292065] [2024-11-28 02:06:57,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227292065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:06:57,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:06:57,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:06:57,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128820378] [2024-11-28 02:06:57,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:06:57,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:06:57,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:06:57,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:06:57,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:06:57,860 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 187 [2024-11-28 02:06:57,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 182 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:57,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:06:57,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 187 [2024-11-28 02:06:57,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:06:57,975 INFO L124 PetriNetUnfolderBase]: 41/436 cut-off events. [2024-11-28 02:06:57,975 INFO L125 PetriNetUnfolderBase]: For 28/31 co-relation queries the response was YES. [2024-11-28 02:06:57,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 436 events. 41/436 cut-off events. For 28/31 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1798 event pairs, 8 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 444. Up to 44 conditions per place. [2024-11-28 02:06:57,980 INFO L140 encePairwiseOnDemand]: 182/187 looper letters, 14 selfloop transitions, 5 changer transitions 0/189 dead transitions. [2024-11-28 02:06:57,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 189 transitions, 454 flow [2024-11-28 02:06:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:06:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:06:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2024-11-28 02:06:57,982 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9429590017825312 [2024-11-28 02:06:57,984 INFO L175 Difference]: Start difference. First operand has 184 places, 182 transitions, 398 flow. Second operand 3 states and 529 transitions. [2024-11-28 02:06:57,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 189 transitions, 454 flow [2024-11-28 02:06:57,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 189 transitions, 446 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:06:57,994 INFO L231 Difference]: Finished difference. Result has 186 places, 185 transitions, 428 flow [2024-11-28 02:06:57,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=428, PETRI_PLACES=186, PETRI_TRANSITIONS=185} [2024-11-28 02:06:57,997 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, 6 predicate places. [2024-11-28 02:06:57,997 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 185 transitions, 428 flow [2024-11-28 02:06:57,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:57,999 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:06:57,999 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:57,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:06:57,999 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:06:58,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:58,000 INFO L85 PathProgramCache]: Analyzing trace with hash 958162022, now seen corresponding path program 1 times [2024-11-28 02:06:58,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:06:58,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287431941] [2024-11-28 02:06:58,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:58,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:06:58,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:06:58,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287431941] [2024-11-28 02:06:58,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287431941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:06:58,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:06:58,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:06:58,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216832292] [2024-11-28 02:06:58,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:06:58,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:06:58,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:06:58,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:06:58,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:06:58,291 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 187 [2024-11-28 02:06:58,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 185 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:58,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:06:58,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 187 [2024-11-28 02:06:58,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:06:58,447 INFO L124 PetriNetUnfolderBase]: 58/501 cut-off events. [2024-11-28 02:06:58,447 INFO L125 PetriNetUnfolderBase]: For 43/52 co-relation queries the response was YES. [2024-11-28 02:06:58,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 754 conditions, 501 events. 58/501 cut-off events. For 43/52 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2310 event pairs, 6 based on Foata normal form. 5/459 useless extension candidates. Maximal degree in co-relation 608. Up to 76 conditions per place. [2024-11-28 02:06:58,453 INFO L140 encePairwiseOnDemand]: 184/187 looper letters, 13 selfloop transitions, 2 changer transitions 0/190 dead transitions. [2024-11-28 02:06:58,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 190 transitions, 468 flow [2024-11-28 02:06:58,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:06:58,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:06:58,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2024-11-28 02:06:58,459 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9429590017825312 [2024-11-28 02:06:58,459 INFO L175 Difference]: Start difference. First operand has 186 places, 185 transitions, 428 flow. Second operand 3 states and 529 transitions. [2024-11-28 02:06:58,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 190 transitions, 468 flow [2024-11-28 02:06:58,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 190 transitions, 458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:06:58,467 INFO L231 Difference]: Finished difference. Result has 187 places, 186 transitions, 430 flow [2024-11-28 02:06:58,467 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=430, PETRI_PLACES=187, PETRI_TRANSITIONS=186} [2024-11-28 02:06:58,468 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, 7 predicate places. [2024-11-28 02:06:58,468 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 186 transitions, 430 flow [2024-11-28 02:06:58,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:58,469 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:06:58,469 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:58,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:06:58,470 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:06:58,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:58,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1052200786, now seen corresponding path program 1 times [2024-11-28 02:06:58,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:06:58,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305954489] [2024-11-28 02:06:58,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:58,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:58,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:06:58,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:06:58,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305954489] [2024-11-28 02:06:58,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305954489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:06:58,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:06:58,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:06:58,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149447650] [2024-11-28 02:06:58,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:06:58,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:06:58,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:06:58,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:06:58,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:06:58,859 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 187 [2024-11-28 02:06:58,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 186 transitions, 430 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:58,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:06:58,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 187 [2024-11-28 02:06:58,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:06:58,925 INFO L124 PetriNetUnfolderBase]: 8/231 cut-off events. [2024-11-28 02:06:58,926 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 02:06:58,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 231 events. 8/231 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 300 event pairs, 0 based on Foata normal form. 1/219 useless extension candidates. Maximal degree in co-relation 185. Up to 14 conditions per place. [2024-11-28 02:06:58,927 INFO L140 encePairwiseOnDemand]: 184/187 looper letters, 9 selfloop transitions, 2 changer transitions 0/183 dead transitions. [2024-11-28 02:06:58,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 183 transitions, 430 flow [2024-11-28 02:06:58,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:06:58,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:06:58,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 534 transitions. [2024-11-28 02:06:58,931 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9518716577540107 [2024-11-28 02:06:58,931 INFO L175 Difference]: Start difference. First operand has 187 places, 186 transitions, 430 flow. Second operand 3 states and 534 transitions. [2024-11-28 02:06:58,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 183 transitions, 430 flow [2024-11-28 02:06:58,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 183 transitions, 420 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-28 02:06:58,939 INFO L231 Difference]: Finished difference. Result has 185 places, 180 transitions, 400 flow [2024-11-28 02:06:58,939 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=185, PETRI_TRANSITIONS=180} [2024-11-28 02:06:58,940 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, 5 predicate places. [2024-11-28 02:06:58,940 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 180 transitions, 400 flow [2024-11-28 02:06:58,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:58,941 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:06:58,941 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:58,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:06:58,941 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:06:58,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:58,944 INFO L85 PathProgramCache]: Analyzing trace with hash 2011565434, now seen corresponding path program 1 times [2024-11-28 02:06:58,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:06:58,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623714886] [2024-11-28 02:06:58,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:58,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:59,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:06:59,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:06:59,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623714886] [2024-11-28 02:06:59,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623714886] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:06:59,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63831529] [2024-11-28 02:06:59,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:59,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:06:59,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:06:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:59,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:06:59,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:59,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:06:59,458 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:06:59,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63831529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:06:59,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:06:59,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-28 02:06:59,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881251752] [2024-11-28 02:06:59,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:06:59,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:06:59,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:06:59,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:06:59,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:06:59,483 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 187 [2024-11-28 02:06:59,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 180 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:59,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:06:59,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 187 [2024-11-28 02:06:59,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:06:59,587 INFO L124 PetriNetUnfolderBase]: 50/337 cut-off events. [2024-11-28 02:06:59,587 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-28 02:06:59,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 337 events. 50/337 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 916 event pairs, 15 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 357. Up to 70 conditions per place. [2024-11-28 02:06:59,589 INFO L140 encePairwiseOnDemand]: 182/187 looper letters, 14 selfloop transitions, 5 changer transitions 3/188 dead transitions. [2024-11-28 02:06:59,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 188 transitions, 464 flow [2024-11-28 02:06:59,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:06:59,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:06:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2024-11-28 02:06:59,591 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2024-11-28 02:06:59,591 INFO L175 Difference]: Start difference. First operand has 185 places, 180 transitions, 400 flow. Second operand 3 states and 527 transitions. [2024-11-28 02:06:59,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 188 transitions, 464 flow [2024-11-28 02:06:59,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 188 transitions, 460 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:06:59,596 INFO L231 Difference]: Finished difference. Result has 187 places, 182 transitions, 432 flow [2024-11-28 02:06:59,597 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=432, PETRI_PLACES=187, PETRI_TRANSITIONS=182} [2024-11-28 02:06:59,597 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, 7 predicate places. [2024-11-28 02:06:59,598 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 182 transitions, 432 flow [2024-11-28 02:06:59,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:59,598 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:06:59,598 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:59,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:06:59,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:06:59,799 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:06:59,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:59,800 INFO L85 PathProgramCache]: Analyzing trace with hash 195135003, now seen corresponding path program 1 times [2024-11-28 02:06:59,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:06:59,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336406703] [2024-11-28 02:06:59,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:59,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:00,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:00,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336406703] [2024-11-28 02:07:00,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336406703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:00,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806763622] [2024-11-28 02:07:00,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:00,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:00,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:00,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:00,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:07:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:00,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:00,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:00,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:00,344 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:00,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806763622] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:07:00,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:07:00,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-28 02:07:00,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488090797] [2024-11-28 02:07:00,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:07:00,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:07:00,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:00,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:07:00,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:07:00,458 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 187 [2024-11-28 02:07:00,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 182 transitions, 432 flow. Second operand has 10 states, 10 states have (on average 170.0) internal successors, (1700), 10 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:00,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:07:00,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 187 [2024-11-28 02:07:00,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:07:00,716 INFO L124 PetriNetUnfolderBase]: 72/434 cut-off events. [2024-11-28 02:07:00,717 INFO L125 PetriNetUnfolderBase]: For 47/50 co-relation queries the response was YES. [2024-11-28 02:07:00,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 728 conditions, 434 events. 72/434 cut-off events. For 47/50 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1190 event pairs, 9 based on Foata normal form. 8/427 useless extension candidates. Maximal degree in co-relation 580. Up to 47 conditions per place. [2024-11-28 02:07:00,719 INFO L140 encePairwiseOnDemand]: 181/187 looper letters, 34 selfloop transitions, 9 changer transitions 0/211 dead transitions. [2024-11-28 02:07:00,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 211 transitions, 578 flow [2024-11-28 02:07:00,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:07:00,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 02:07:00,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1557 transitions. [2024-11-28 02:07:00,724 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9251336898395722 [2024-11-28 02:07:00,724 INFO L175 Difference]: Start difference. First operand has 187 places, 182 transitions, 432 flow. Second operand 9 states and 1557 transitions. [2024-11-28 02:07:00,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 211 transitions, 578 flow [2024-11-28 02:07:00,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 211 transitions, 568 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:07:00,729 INFO L231 Difference]: Finished difference. Result has 196 places, 188 transitions, 472 flow [2024-11-28 02:07:00,730 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=472, PETRI_PLACES=196, PETRI_TRANSITIONS=188} [2024-11-28 02:07:00,730 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, 16 predicate places. [2024-11-28 02:07:00,731 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 188 transitions, 472 flow [2024-11-28 02:07:00,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 170.0) internal successors, (1700), 10 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:00,732 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:07:00,732 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:00,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:07:00,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:00,937 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:07:00,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:00,938 INFO L85 PathProgramCache]: Analyzing trace with hash -76308363, now seen corresponding path program 2 times [2024-11-28 02:07:00,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:00,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60857657] [2024-11-28 02:07:00,938 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:07:00,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:00,984 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 02:07:00,984 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:07:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:01,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:01,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60857657] [2024-11-28 02:07:01,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60857657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:01,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848422214] [2024-11-28 02:07:01,312 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:07:01,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:01,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:01,317 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:01,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:07:01,565 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 02:07:01,565 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:07:01,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:07:01,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:01,679 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:01,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848422214] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:07:01,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:07:01,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-28 02:07:01,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761637414] [2024-11-28 02:07:01,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:07:01,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 02:07:01,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:01,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 02:07:01,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:07:01,948 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 187 [2024-11-28 02:07:01,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 188 transitions, 472 flow. Second operand has 18 states, 18 states have (on average 170.05555555555554) internal successors, (3061), 18 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:01,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:07:01,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 187 [2024-11-28 02:07:01,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:07:02,599 INFO L124 PetriNetUnfolderBase]: 109/597 cut-off events. [2024-11-28 02:07:02,599 INFO L125 PetriNetUnfolderBase]: For 144/147 co-relation queries the response was YES. [2024-11-28 02:07:02,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1196 conditions, 597 events. 109/597 cut-off events. For 144/147 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1856 event pairs, 12 based on Foata normal form. 16/599 useless extension candidates. Maximal degree in co-relation 1046. Up to 47 conditions per place. [2024-11-28 02:07:02,603 INFO L140 encePairwiseOnDemand]: 181/187 looper letters, 74 selfloop transitions, 21 changer transitions 0/263 dead transitions. [2024-11-28 02:07:02,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 263 transitions, 872 flow [2024-11-28 02:07:02,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 02:07:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 02:07:02,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3627 transitions. [2024-11-28 02:07:02,613 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9236058059587471 [2024-11-28 02:07:02,613 INFO L175 Difference]: Start difference. First operand has 196 places, 188 transitions, 472 flow. Second operand 21 states and 3627 transitions. [2024-11-28 02:07:02,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 263 transitions, 872 flow [2024-11-28 02:07:02,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 263 transitions, 858 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-11-28 02:07:02,622 INFO L231 Difference]: Finished difference. Result has 220 places, 201 transitions, 596 flow [2024-11-28 02:07:02,622 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=596, PETRI_PLACES=220, PETRI_TRANSITIONS=201} [2024-11-28 02:07:02,623 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, 40 predicate places. [2024-11-28 02:07:02,625 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 201 transitions, 596 flow [2024-11-28 02:07:02,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 170.05555555555554) internal successors, (3061), 18 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:02,627 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:07:02,628 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:02,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:02,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:02,829 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:07:02,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:02,831 INFO L85 PathProgramCache]: Analyzing trace with hash -704493855, now seen corresponding path program 3 times [2024-11-28 02:07:02,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:02,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099213062] [2024-11-28 02:07:02,831 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:07:02,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:02,919 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-28 02:07:02,920 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:07:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:03,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:03,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099213062] [2024-11-28 02:07:03,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099213062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:03,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39473718] [2024-11-28 02:07:03,624 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:07:03,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:03,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:03,626 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:03,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:07:03,964 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-28 02:07:03,964 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:07:03,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:07:03,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:04,146 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:04,147 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:04,730 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:04,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39473718] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:07:04,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:07:04,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-28 02:07:04,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076969530] [2024-11-28 02:07:04,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:07:04,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-28 02:07:04,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:04,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-28 02:07:04,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 02:07:04,816 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 187 [2024-11-28 02:07:04,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 201 transitions, 596 flow. Second operand has 34 states, 34 states have (on average 170.02941176470588) internal successors, (5781), 34 states have internal predecessors, (5781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:04,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:07:04,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 187 [2024-11-28 02:07:04,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:07:06,271 INFO L124 PetriNetUnfolderBase]: 264/1010 cut-off events. [2024-11-28 02:07:06,271 INFO L125 PetriNetUnfolderBase]: For 1079/1082 co-relation queries the response was YES. [2024-11-28 02:07:06,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2469 conditions, 1010 events. 264/1010 cut-off events. For 1079/1082 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3155 event pairs, 9 based on Foata normal form. 32/1027 useless extension candidates. Maximal degree in co-relation 2314. Up to 127 conditions per place. [2024-11-28 02:07:06,279 INFO L140 encePairwiseOnDemand]: 181/187 looper letters, 154 selfloop transitions, 45 changer transitions 0/367 dead transitions. [2024-11-28 02:07:06,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 367 transitions, 1540 flow [2024-11-28 02:07:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-28 02:07:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-28 02:07:06,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 7767 transitions. [2024-11-28 02:07:06,298 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9229946524064171 [2024-11-28 02:07:06,298 INFO L175 Difference]: Start difference. First operand has 220 places, 201 transitions, 596 flow. Second operand 45 states and 7767 transitions. [2024-11-28 02:07:06,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 367 transitions, 1540 flow [2024-11-28 02:07:06,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 367 transitions, 1500 flow, removed 14 selfloop flow, removed 6 redundant places. [2024-11-28 02:07:06,310 INFO L231 Difference]: Finished difference. Result has 267 places, 226 transitions, 874 flow [2024-11-28 02:07:06,310 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=874, PETRI_PLACES=267, PETRI_TRANSITIONS=226} [2024-11-28 02:07:06,312 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, 87 predicate places. [2024-11-28 02:07:06,312 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 226 transitions, 874 flow [2024-11-28 02:07:06,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 170.02941176470588) internal successors, (5781), 34 states have internal predecessors, (5781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:06,315 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:07:06,315 INFO L206 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:06,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:07:06,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-28 02:07:06,520 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:07:06,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:06,522 INFO L85 PathProgramCache]: Analyzing trace with hash 638799501, now seen corresponding path program 4 times [2024-11-28 02:07:06,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:06,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377792122] [2024-11-28 02:07:06,522 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 02:07:06,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:06,615 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 02:07:06,615 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:07:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:08,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:08,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377792122] [2024-11-28 02:07:08,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377792122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:08,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446738301] [2024-11-28 02:07:08,237 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 02:07:08,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:08,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:08,239 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:08,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:07:08,478 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 02:07:08,478 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:07:08,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 02:07:08,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:08,824 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:08,824 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:10,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446738301] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:07:10,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:07:10,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 66 [2024-11-28 02:07:10,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322255702] [2024-11-28 02:07:10,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:07:10,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-11-28 02:07:10,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:10,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-11-28 02:07:10,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2024-11-28 02:07:10,585 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 187 [2024-11-28 02:07:10,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 226 transitions, 874 flow. Second operand has 66 states, 66 states have (on average 170.0151515151515) internal successors, (11221), 66 states have internal predecessors, (11221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:10,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:07:10,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 187 [2024-11-28 02:07:10,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:07:15,086 INFO L124 PetriNetUnfolderBase]: 520/1778 cut-off events. [2024-11-28 02:07:15,086 INFO L125 PetriNetUnfolderBase]: For 8807/8810 co-relation queries the response was YES. [2024-11-28 02:07:15,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5186 conditions, 1778 events. 520/1778 cut-off events. For 8807/8810 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 5871 event pairs, 9 based on Foata normal form. 64/1827 useless extension candidates. Maximal degree in co-relation 5022. Up to 255 conditions per place. [2024-11-28 02:07:15,101 INFO L140 encePairwiseOnDemand]: 181/187 looper letters, 314 selfloop transitions, 93 changer transitions 0/575 dead transitions. [2024-11-28 02:07:15,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 575 transitions, 3022 flow [2024-11-28 02:07:15,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-11-28 02:07:15,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2024-11-28 02:07:15,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 16047 transitions. [2024-11-28 02:07:15,134 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9227186475763326 [2024-11-28 02:07:15,134 INFO L175 Difference]: Start difference. First operand has 267 places, 226 transitions, 874 flow. Second operand 93 states and 16047 transitions. [2024-11-28 02:07:15,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 575 transitions, 3022 flow [2024-11-28 02:07:15,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 575 transitions, 2934 flow, removed 26 selfloop flow, removed 18 redundant places. [2024-11-28 02:07:15,162 INFO L231 Difference]: Finished difference. Result has 358 places, 275 transitions, 1508 flow [2024-11-28 02:07:15,163 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=93, PETRI_FLOW=1508, PETRI_PLACES=358, PETRI_TRANSITIONS=275} [2024-11-28 02:07:15,163 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, 178 predicate places. [2024-11-28 02:07:15,164 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 275 transitions, 1508 flow [2024-11-28 02:07:15,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 170.0151515151515) internal successors, (11221), 66 states have internal predecessors, (11221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:15,170 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:07:15,170 INFO L206 CegarLoopForPetriNet]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:15,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 02:07:15,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:15,371 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:07:15,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:15,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1167298817, now seen corresponding path program 5 times [2024-11-28 02:07:15,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:15,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084942599] [2024-11-28 02:07:15,373 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 02:07:15,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:15,476 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2024-11-28 02:07:15,477 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:07:19,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:19,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:19,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084942599] [2024-11-28 02:07:19,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084942599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:19,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437690929] [2024-11-28 02:07:19,774 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 02:07:19,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:19,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:19,780 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:19,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 02:07:20,029 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2024-11-28 02:07:20,029 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:07:20,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-28 02:07:20,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:20,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:20,468 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:23,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:23,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437690929] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:07:23,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:07:23,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 87 [2024-11-28 02:07:23,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945652405] [2024-11-28 02:07:23,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:07:23,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-11-28 02:07:23,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:23,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-11-28 02:07:23,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1935, Invalid=5547, Unknown=0, NotChecked=0, Total=7482 [2024-11-28 02:07:23,791 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 187 [2024-11-28 02:07:23,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 275 transitions, 1508 flow. Second operand has 87 states, 87 states have (on average 170.0344827586207) internal successors, (14793), 87 states have internal predecessors, (14793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:23,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:07:23,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 187 [2024-11-28 02:07:23,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:07:30,538 INFO L124 PetriNetUnfolderBase]: 712/2354 cut-off events. [2024-11-28 02:07:30,539 INFO L125 PetriNetUnfolderBase]: For 28499/28502 co-relation queries the response was YES. [2024-11-28 02:07:30,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7719 conditions, 2354 events. 712/2354 cut-off events. For 28499/28502 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 7798 event pairs, 9 based on Foata normal form. 48/2387 useless extension candidates. Maximal degree in co-relation 7538. Up to 351 conditions per place. [2024-11-28 02:07:30,563 INFO L140 encePairwiseOnDemand]: 181/187 looper letters, 434 selfloop transitions, 129 changer transitions 0/731 dead transitions. [2024-11-28 02:07:30,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 731 transitions, 4376 flow [2024-11-28 02:07:30,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-11-28 02:07:30,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2024-11-28 02:07:30,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 22247 transitions. [2024-11-28 02:07:30,585 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9222318948721138 [2024-11-28 02:07:30,586 INFO L175 Difference]: Start difference. First operand has 358 places, 275 transitions, 1508 flow. Second operand 129 states and 22247 transitions. [2024-11-28 02:07:30,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 731 transitions, 4376 flow [2024-11-28 02:07:30,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 731 transitions, 4232 flow, removed 30 selfloop flow, removed 42 redundant places. [2024-11-28 02:07:30,646 INFO L231 Difference]: Finished difference. Result has 457 places, 312 transitions, 2106 flow [2024-11-28 02:07:30,647 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=1388, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=129, PETRI_FLOW=2106, PETRI_PLACES=457, PETRI_TRANSITIONS=312} [2024-11-28 02:07:30,647 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, 277 predicate places. [2024-11-28 02:07:30,648 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 312 transitions, 2106 flow [2024-11-28 02:07:30,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 170.0344827586207) internal successors, (14793), 87 states have internal predecessors, (14793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:30,652 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:07:30,653 INFO L206 CegarLoopForPetriNet]: trace histogram [43, 43, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:30,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 02:07:30,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:30,857 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:07:30,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:30,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1014032879, now seen corresponding path program 6 times [2024-11-28 02:07:30,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:30,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215302160] [2024-11-28 02:07:30,859 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 02:07:30,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:31,145 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 43 check-sat command(s) [2024-11-28 02:07:31,146 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 02:07:31,146 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:07:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:31,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:07:31,451 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:07:31,452 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-28 02:07:31,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-28 02:07:31,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-11-28 02:07:31,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-28 02:07:31,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-28 02:07:31,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-28 02:07:31,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-28 02:07:31,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:07:31,457 INFO L422 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:31,755 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:07:31,755 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:07:31,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:07:31 BasicIcfg [2024-11-28 02:07:31,762 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:07:31,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:07:31,763 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:07:31,763 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:07:31,764 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:55" (3/4) ... [2024-11-28 02:07:31,765 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 02:07:31,994 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 45. [2024-11-28 02:07:32,123 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:07:32,127 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:07:32,127 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:07:32,128 INFO L158 Benchmark]: Toolchain (without parser) took 37577.23ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 103.6MB in the beginning and 295.5MB in the end (delta: -191.9MB). Peak memory consumption was 164.9MB. Max. memory is 16.1GB. [2024-11-28 02:07:32,128 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:32,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.29ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 82.5MB in the end (delta: 20.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:07:32,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.44ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 80.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:32,129 INFO L158 Benchmark]: Boogie Preprocessor took 29.10ms. Allocated memory is still 142.6MB. Free memory was 80.3MB in the beginning and 78.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:32,129 INFO L158 Benchmark]: RCFGBuilder took 656.61ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 60.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:07:32,130 INFO L158 Benchmark]: TraceAbstraction took 35895.67ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 60.3MB in the beginning and 350.0MB in the end (delta: -289.7MB). Peak memory consumption was 271.2MB. Max. memory is 16.1GB. [2024-11-28 02:07:32,130 INFO L158 Benchmark]: Witness Printer took 363.93ms. Allocated memory is still 503.3MB. Free memory was 350.0MB in the beginning and 295.5MB in the end (delta: 54.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-28 02:07:32,132 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.29ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 82.5MB in the end (delta: 20.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.44ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 80.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.10ms. Allocated memory is still 142.6MB. Free memory was 80.3MB in the beginning and 78.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 656.61ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 60.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 35895.67ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 60.3MB in the beginning and 350.0MB in the end (delta: -289.7MB). Peak memory consumption was 271.2MB. Max. memory is 16.1GB. * Witness Printer took 363.93ms. Allocated memory is still 503.3MB. Free memory was 350.0MB in the beginning and 295.5MB in the end (delta: 54.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 704]: Data race detected Data race detected The following path leads to a data race: [L697] 0 pthread_mutex_t lock; VAL [lock={3:0}] [L698] 0 pthread_cond_t cond; VAL [lock={3:0}] [L699] 0 int x; VAL [lock={3:0}, x=0] [L700] 0 _Bool x_set = 0; VAL [lock={3:0}, x=0, x_set=0] [L711] 0 pthread_t t; VAL [lock={3:0}, x=0, x_set=0] [L712] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) VAL [lock={3:0}, t=-1, x=0, x_set=0] [L713] 0 int i = 0; VAL [i=0, lock={3:0}, t=-1, x=0, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=0, lock={3:0}, t=-1, x=0, x_set=0] [L714] 0 x = i VAL [i=0, lock={3:0}, t=-1, x=0, x_set=0] [L713] 0 i++ VAL [i=1, lock={3:0}, t=-1, x=0, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=1, lock={3:0}, t=-1, x=0, x_set=0] [L714] 0 x = i VAL [i=1, lock={3:0}, t=-1, x=1, x_set=0] [L713] 0 i++ VAL [i=2, lock={3:0}, t=-1, x=1, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=2, lock={3:0}, t=-1, x=1, x_set=0] [L714] 0 x = i VAL [i=2, lock={3:0}, t=-1, x=2, x_set=0] [L713] 0 i++ VAL [i=3, lock={3:0}, t=-1, x=2, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=3, lock={3:0}, t=-1, x=2, x_set=0] [L714] 0 x = i VAL [i=3, lock={3:0}, t=-1, x=3, x_set=0] [L713] 0 i++ VAL [i=4, lock={3:0}, t=-1, x=3, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=4, lock={3:0}, t=-1, x=3, x_set=0] [L714] 0 x = i VAL [i=4, lock={3:0}, t=-1, x=4, x_set=0] [L713] 0 i++ VAL [i=5, lock={3:0}, t=-1, x=4, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=5, lock={3:0}, t=-1, x=4, x_set=0] [L714] 0 x = i VAL [i=5, lock={3:0}, t=-1, x=5, x_set=0] [L713] 0 i++ VAL [i=6, lock={3:0}, t=-1, x=5, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=6, lock={3:0}, t=-1, x=5, x_set=0] [L714] 0 x = i VAL [i=6, lock={3:0}, t=-1, x=6, x_set=0] [L713] 0 i++ VAL [i=7, lock={3:0}, t=-1, x=6, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=7, lock={3:0}, t=-1, x=6, x_set=0] [L714] 0 x = i VAL [i=7, lock={3:0}, t=-1, x=7, x_set=0] [L713] 0 i++ VAL [i=8, lock={3:0}, t=-1, x=7, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=8, lock={3:0}, t=-1, x=7, x_set=0] [L714] 0 x = i VAL [i=8, lock={3:0}, t=-1, x=8, x_set=0] [L713] 0 i++ VAL [i=9, lock={3:0}, t=-1, x=8, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=9, lock={3:0}, t=-1, x=8, x_set=0] [L714] 0 x = i VAL [i=9, lock={3:0}, t=-1, x=9, x_set=0] [L713] 0 i++ VAL [i=10, lock={3:0}, t=-1, x=9, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=10, lock={3:0}, t=-1, x=9, x_set=0] [L714] 0 x = i VAL [i=10, lock={3:0}, t=-1, x=10, x_set=0] [L713] 0 i++ VAL [i=11, lock={3:0}, t=-1, x=10, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=11, lock={3:0}, t=-1, x=10, x_set=0] [L714] 0 x = i VAL [i=11, lock={3:0}, t=-1, x=11, x_set=0] [L713] 0 i++ VAL [i=12, lock={3:0}, t=-1, x=11, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=12, lock={3:0}, t=-1, x=11, x_set=0] [L714] 0 x = i VAL [i=12, lock={3:0}, t=-1, x=12, x_set=0] [L713] 0 i++ VAL [i=13, lock={3:0}, t=-1, x=12, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=13, lock={3:0}, t=-1, x=12, x_set=0] [L714] 0 x = i VAL [i=13, lock={3:0}, t=-1, x=13, x_set=0] [L713] 0 i++ VAL [i=14, lock={3:0}, t=-1, x=13, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=14, lock={3:0}, t=-1, x=13, x_set=0] [L714] 0 x = i VAL [i=14, lock={3:0}, t=-1, x=14, x_set=0] [L713] 0 i++ VAL [i=15, lock={3:0}, t=-1, x=14, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=15, lock={3:0}, t=-1, x=14, x_set=0] [L714] 0 x = i VAL [i=15, lock={3:0}, t=-1, x=15, x_set=0] [L713] 0 i++ VAL [i=16, lock={3:0}, t=-1, x=15, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=16, lock={3:0}, t=-1, x=15, x_set=0] [L714] 0 x = i VAL [i=16, lock={3:0}, t=-1, x=16, x_set=0] [L713] 0 i++ VAL [i=17, lock={3:0}, t=-1, x=16, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=17, lock={3:0}, t=-1, x=16, x_set=0] [L714] 0 x = i VAL [i=17, lock={3:0}, t=-1, x=17, x_set=0] [L713] 0 i++ VAL [i=18, lock={3:0}, t=-1, x=17, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=18, lock={3:0}, t=-1, x=17, x_set=0] [L714] 0 x = i VAL [i=18, lock={3:0}, t=-1, x=18, x_set=0] [L713] 0 i++ VAL [i=19, lock={3:0}, t=-1, x=18, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=19, lock={3:0}, t=-1, x=18, x_set=0] [L714] 0 x = i VAL [i=19, lock={3:0}, t=-1, x=19, x_set=0] [L713] 0 i++ VAL [i=20, lock={3:0}, t=-1, x=19, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=20, lock={3:0}, t=-1, x=19, x_set=0] [L714] 0 x = i VAL [i=20, lock={3:0}, t=-1, x=20, x_set=0] [L713] 0 i++ VAL [i=21, lock={3:0}, t=-1, x=20, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=21, lock={3:0}, t=-1, x=20, x_set=0] [L714] 0 x = i VAL [i=21, lock={3:0}, t=-1, x=21, x_set=0] [L713] 0 i++ VAL [i=22, lock={3:0}, t=-1, x=21, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=22, lock={3:0}, t=-1, x=21, x_set=0] [L714] 0 x = i VAL [i=22, lock={3:0}, t=-1, x=22, x_set=0] [L713] 0 i++ VAL [i=23, lock={3:0}, t=-1, x=22, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=23, lock={3:0}, t=-1, x=22, x_set=0] [L714] 0 x = i VAL [i=23, lock={3:0}, t=-1, x=23, x_set=0] [L713] 0 i++ VAL [i=24, lock={3:0}, t=-1, x=23, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=24, lock={3:0}, t=-1, x=23, x_set=0] [L714] 0 x = i VAL [i=24, lock={3:0}, t=-1, x=24, x_set=0] [L713] 0 i++ VAL [i=25, lock={3:0}, t=-1, x=24, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=25, lock={3:0}, t=-1, x=24, x_set=0] [L714] 0 x = i VAL [i=25, lock={3:0}, t=-1, x=25, x_set=0] [L713] 0 i++ VAL [i=26, lock={3:0}, t=-1, x=25, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=26, lock={3:0}, t=-1, x=25, x_set=0] [L714] 0 x = i VAL [i=26, lock={3:0}, t=-1, x=26, x_set=0] [L713] 0 i++ VAL [i=27, lock={3:0}, t=-1, x=26, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=27, lock={3:0}, t=-1, x=26, x_set=0] [L714] 0 x = i VAL [i=27, lock={3:0}, t=-1, x=27, x_set=0] [L713] 0 i++ VAL [i=28, lock={3:0}, t=-1, x=27, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=28, lock={3:0}, t=-1, x=27, x_set=0] [L714] 0 x = i VAL [i=28, lock={3:0}, t=-1, x=28, x_set=0] [L713] 0 i++ VAL [i=29, lock={3:0}, t=-1, x=28, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=29, lock={3:0}, t=-1, x=28, x_set=0] [L714] 0 x = i VAL [i=29, lock={3:0}, t=-1, x=29, x_set=0] [L713] 0 i++ VAL [i=30, lock={3:0}, t=-1, x=29, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=30, lock={3:0}, t=-1, x=29, x_set=0] [L714] 0 x = i VAL [i=30, lock={3:0}, t=-1, x=30, x_set=0] [L713] 0 i++ VAL [i=31, lock={3:0}, t=-1, x=30, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=31, lock={3:0}, t=-1, x=30, x_set=0] [L714] 0 x = i VAL [i=31, lock={3:0}, t=-1, x=31, x_set=0] [L713] 0 i++ VAL [i=32, lock={3:0}, t=-1, x=31, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=32, lock={3:0}, t=-1, x=31, x_set=0] [L714] 0 x = i VAL [i=32, lock={3:0}, t=-1, x=32, x_set=0] [L713] 0 i++ VAL [i=33, lock={3:0}, t=-1, x=32, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=33, lock={3:0}, t=-1, x=32, x_set=0] [L714] 0 x = i VAL [i=33, lock={3:0}, t=-1, x=33, x_set=0] [L713] 0 i++ VAL [i=34, lock={3:0}, t=-1, x=33, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=34, lock={3:0}, t=-1, x=33, x_set=0] [L714] 0 x = i VAL [i=34, lock={3:0}, t=-1, x=34, x_set=0] [L713] 0 i++ VAL [i=35, lock={3:0}, t=-1, x=34, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=35, lock={3:0}, t=-1, x=34, x_set=0] [L714] 0 x = i VAL [i=35, lock={3:0}, t=-1, x=35, x_set=0] [L713] 0 i++ VAL [i=36, lock={3:0}, t=-1, x=35, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=36, lock={3:0}, t=-1, x=35, x_set=0] [L714] 0 x = i VAL [i=36, lock={3:0}, t=-1, x=36, x_set=0] [L713] 0 i++ VAL [i=37, lock={3:0}, t=-1, x=36, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=37, lock={3:0}, t=-1, x=36, x_set=0] [L714] 0 x = i VAL [i=37, lock={3:0}, t=-1, x=37, x_set=0] [L713] 0 i++ VAL [i=38, lock={3:0}, t=-1, x=37, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=38, lock={3:0}, t=-1, x=37, x_set=0] [L714] 0 x = i VAL [i=38, lock={3:0}, t=-1, x=38, x_set=0] [L713] 0 i++ VAL [i=39, lock={3:0}, t=-1, x=38, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=39, lock={3:0}, t=-1, x=38, x_set=0] [L714] 0 x = i VAL [i=39, lock={3:0}, t=-1, x=39, x_set=0] [L713] 0 i++ VAL [i=40, lock={3:0}, t=-1, x=39, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=40, lock={3:0}, t=-1, x=39, x_set=0] [L714] 0 x = i VAL [i=40, lock={3:0}, t=-1, x=40, x_set=0] [L713] 0 i++ VAL [i=41, lock={3:0}, t=-1, x=40, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=41, lock={3:0}, t=-1, x=40, x_set=0] [L714] 0 x = i VAL [i=41, lock={3:0}, t=-1, x=41, x_set=0] [L713] 0 i++ VAL [i=42, lock={3:0}, t=-1, x=41, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [i=42, lock={3:0}, t=-1, x=41, x_set=0] [L714] 0 x = i VAL [i=42, lock={3:0}, t=-1, x=42, x_set=0] [L713] 0 i++ VAL [i=43, lock={3:0}, t=-1, x=42, x_set=0] [L704] 1 !x_set VAL [\old(arg)={0:0}, arg={0:0}, lock={3:0}, x=42, x_set=0] [L713] COND FALSE 0 !(i <= 42) VAL [i=43, lock={3:0}, t=-1, x=42, x_set=0] [L715] 0 x_set = 1 VAL [lock={3:0}, t=-1, x=42, x_set=1] [L704] 1 !x_set VAL [\old(arg)={0:0}, arg={0:0}, lock={3:0}, x=42, x_set=1] Now there is a data race on ~x_set~0 between C: x_set = 1 [715] and C: !x_set [704] - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 712]: 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: 706]: 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, 205 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 35.5s, OverallIterations: 12, TraceHistogramMax: 43, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3917 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3859 mSDsluCounter, 382 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 354 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1988 IncrementalHoareTripleChecker+Invalid, 2002 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 28 mSDtfsCounter, 1988 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2878 GetRequests, 2435 SyntacticMatches, 41 SemanticMatches, 402 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12630 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2106occurred in iteration=11, InterpolantAutomatonStates: 315, 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: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 15.3s InterpolantComputationTime, 3926 NumberOfCodeBlocks, 3926 NumberOfCodeBlocksAsserted, 136 NumberOfCheckSat, 4612 ConstructedInterpolants, 0 QuantifiedInterpolants, 7500 SizeOfPredicates, 114 NumberOfNonLiveVariables, 2623 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 1/14261 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-28 02:07:32,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab030bf5-e85f-4e22-96a6-6650c64b76a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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(DATA-RACE)