./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.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_10460fb0-c398-416d-833d-1fb404f7f6ff/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/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_10460fb0-c398-416d-833d-1fb404f7f6ff/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/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_10460fb0-c398-416d-833d-1fb404f7f6ff/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 ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:14:14,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:14:14,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 05:14:14,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:14:14,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:14:15,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:14:15,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:14:15,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:14:15,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:14:15,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:14:15,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:14:15,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:14:15,021 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:14:15,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:14:15,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:14:15,021 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:14:15,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:14:15,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:14:15,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:14:15,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:14:15,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:14:15,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:14:15,023 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 05:14:15,023 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:14:15,023 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:14:15,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:14:15,023 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:14:15,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:14:15,023 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:14:15,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:14:15,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:14:15,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:14:15,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:14:15,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:14:15,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:14:15,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:14:15,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:14:15,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:14:15,025 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:14:15,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:14:15,025 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:14:15,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:14:15,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:14:15,026 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:14:15,026 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:14:15,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:14:15,026 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_10460fb0-c398-416d-833d-1fb404f7f6ff/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 -> ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 [2024-11-28 05:14:15,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:14:15,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:14:15,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:14:15,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:14:15,380 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:14:15,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-11-28 05:14:18,659 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/bin/uautomizer-verify-aQ6SnzHsRB/data/e5ed6574c/e9004a79459946a290e2674573a68d5f/FLAG3babdf2c8 [2024-11-28 05:14:19,217 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:14:19,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-11-28 05:14:19,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/bin/uautomizer-verify-aQ6SnzHsRB/data/e5ed6574c/e9004a79459946a290e2674573a68d5f/FLAG3babdf2c8 [2024-11-28 05:14:19,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/bin/uautomizer-verify-aQ6SnzHsRB/data/e5ed6574c/e9004a79459946a290e2674573a68d5f [2024-11-28 05:14:19,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:14:19,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:14:19,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:14:19,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:14:19,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:14:19,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:19,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aaf7505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19, skipping insertion in model container [2024-11-28 05:14:19,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:19,356 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:14:19,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:14:19,862 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:14:19,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:14:19,961 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:14:19,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19 WrapperNode [2024-11-28 05:14:19,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:14:19,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:14:19,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:14:19,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:14:19,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:19,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:20,018 INFO L138 Inliner]: procedures = 163, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-11-28 05:14:20,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:14:20,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:14:20,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:14:20,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:14:20,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:20,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:20,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:20,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:20,036 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:20,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:20,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:20,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:20,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:20,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:14:20,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:14:20,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:14:20,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:14:20,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19" (1/1) ... [2024-11-28 05:14:20,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:14:20,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:20,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:14:20,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:14:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-11-28 05:14:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-11-28 05:14:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:14:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-11-28 05:14:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-11-28 05:14:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-11-28 05:14:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 05:14:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:14:20,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:14:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-28 05:14:20,136 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-28 05:14:20,138 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 05:14:20,341 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:14:20,342 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:14:20,572 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 05:14:20,572 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:14:20,627 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:14:20,628 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:14:20,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:14:20 BoogieIcfgContainer [2024-11-28 05:14:20,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:14:20,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:14:20,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:14:20,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:14:20,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:14:19" (1/3) ... [2024-11-28 05:14:20,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9cc1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:14:20, skipping insertion in model container [2024-11-28 05:14:20,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:19" (2/3) ... [2024-11-28 05:14:20,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9cc1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:14:20, skipping insertion in model container [2024-11-28 05:14:20,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:14:20" (3/3) ... [2024-11-28 05:14:20,643 INFO L128 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2024-11-28 05:14:20,667 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:14:20,669 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG read_write_lock-1.i that has 3 procedures, 93 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 05:14:20,669 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 05:14:20,845 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-28 05:14:20,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 130 transitions, 288 flow [2024-11-28 05:14:20,993 INFO L124 PetriNetUnfolderBase]: 4/126 cut-off events. [2024-11-28 05:14:20,997 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 05:14:21,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 126 events. 4/126 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 194 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 100. Up to 2 conditions per place. [2024-11-28 05:14:21,010 INFO L82 GeneralOperation]: Start removeDead. Operand has 139 places, 130 transitions, 288 flow [2024-11-28 05:14:21,015 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 121 transitions, 263 flow [2024-11-28 05:14:21,025 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:14:21,069 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;@46671410, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:14:21,069 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-28 05:14:21,087 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:14:21,087 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2024-11-28 05:14:21,087 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:14:21,087 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:14:21,088 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] [2024-11-28 05:14:21,089 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-28 05:14:21,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:21,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1771409777, now seen corresponding path program 1 times [2024-11-28 05:14:21,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:21,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761675593] [2024-11-28 05:14:21,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:21,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:21,398 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 05:14:21,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:21,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761675593] [2024-11-28 05:14:21,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761675593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:14:21,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:14:21,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:14:21,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759755468] [2024-11-28 05:14:21,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:14:21,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:14:21,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:21,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:14:21,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:14:21,494 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 130 [2024-11-28 05:14:21,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 121 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:14:21,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:14:21,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 130 [2024-11-28 05:14:21,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:14:23,495 INFO L124 PetriNetUnfolderBase]: 2982/7120 cut-off events. [2024-11-28 05:14:23,496 INFO L125 PetriNetUnfolderBase]: For 595/595 co-relation queries the response was YES. [2024-11-28 05:14:23,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12053 conditions, 7120 events. 2982/7120 cut-off events. For 595/595 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 66846 event pairs, 2150 based on Foata normal form. 809/7189 useless extension candidates. Maximal degree in co-relation 11819. Up to 3608 conditions per place. [2024-11-28 05:14:23,571 INFO L140 encePairwiseOnDemand]: 117/130 looper letters, 33 selfloop transitions, 8 changer transitions 0/131 dead transitions. [2024-11-28 05:14:23,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 131 transitions, 374 flow [2024-11-28 05:14:23,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:14:23,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:14:23,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2024-11-28 05:14:23,597 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8974358974358975 [2024-11-28 05:14:23,599 INFO L175 Difference]: Start difference. First operand has 130 places, 121 transitions, 263 flow. Second operand 3 states and 350 transitions. [2024-11-28 05:14:23,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 131 transitions, 374 flow [2024-11-28 05:14:23,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 131 transitions, 356 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-28 05:14:23,619 INFO L231 Difference]: Finished difference. Result has 125 places, 122 transitions, 300 flow [2024-11-28 05:14:23,623 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=125, PETRI_TRANSITIONS=122} [2024-11-28 05:14:23,631 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -5 predicate places. [2024-11-28 05:14:23,631 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 122 transitions, 300 flow [2024-11-28 05:14:23,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:14:23,633 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:14:23,633 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] [2024-11-28 05:14:23,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:14:23,634 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-28 05:14:23,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:23,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1135139382, now seen corresponding path program 1 times [2024-11-28 05:14:23,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:23,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046715230] [2024-11-28 05:14:23,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:23,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:23,758 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 05:14:23,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:23,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046715230] [2024-11-28 05:14:23,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046715230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:14:23,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:14:23,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:14:23,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178305783] [2024-11-28 05:14:23,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:14:23,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:14:23,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:23,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:14:23,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:14:23,799 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 130 [2024-11-28 05:14:23,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 122 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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 05:14:23,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:14:23,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 130 [2024-11-28 05:14:23,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:14:27,406 INFO L124 PetriNetUnfolderBase]: 9474/21396 cut-off events. [2024-11-28 05:14:27,407 INFO L125 PetriNetUnfolderBase]: For 6187/6325 co-relation queries the response was YES. [2024-11-28 05:14:27,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42522 conditions, 21396 events. 9474/21396 cut-off events. For 6187/6325 co-relation queries the response was YES. Maximal size of possible extension queue 1176. Compared 233031 event pairs, 3039 based on Foata normal form. 1/18559 useless extension candidates. Maximal degree in co-relation 38086. Up to 7766 conditions per place. [2024-11-28 05:14:27,615 INFO L140 encePairwiseOnDemand]: 116/130 looper letters, 47 selfloop transitions, 15 changer transitions 0/150 dead transitions. [2024-11-28 05:14:27,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 150 transitions, 520 flow [2024-11-28 05:14:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:14:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:14:27,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2024-11-28 05:14:27,622 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.882051282051282 [2024-11-28 05:14:27,622 INFO L175 Difference]: Start difference. First operand has 125 places, 122 transitions, 300 flow. Second operand 3 states and 344 transitions. [2024-11-28 05:14:27,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 150 transitions, 520 flow [2024-11-28 05:14:27,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 150 transitions, 492 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:14:27,740 INFO L231 Difference]: Finished difference. Result has 127 places, 137 transitions, 434 flow [2024-11-28 05:14:27,740 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=434, PETRI_PLACES=127, PETRI_TRANSITIONS=137} [2024-11-28 05:14:27,741 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -3 predicate places. [2024-11-28 05:14:27,742 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 137 transitions, 434 flow [2024-11-28 05:14:27,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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 05:14:27,742 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:14:27,743 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] [2024-11-28 05:14:27,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:14:27,743 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-28 05:14:27,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:27,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1979830113, now seen corresponding path program 1 times [2024-11-28 05:14:27,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:27,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500533181] [2024-11-28 05:14:27,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:27,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:28,081 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 05:14:28,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:28,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500533181] [2024-11-28 05:14:28,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500533181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:14:28,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:14:28,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:14:28,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939171992] [2024-11-28 05:14:28,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:14:28,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:14:28,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:28,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:14:28,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:14:28,127 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 130 [2024-11-28 05:14:28,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 137 transitions, 434 flow. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 05:14:28,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:14:28,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 130 [2024-11-28 05:14:28,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:14:28,358 INFO L124 PetriNetUnfolderBase]: 448/1733 cut-off events. [2024-11-28 05:14:28,359 INFO L125 PetriNetUnfolderBase]: For 689/735 co-relation queries the response was YES. [2024-11-28 05:14:28,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3594 conditions, 1733 events. 448/1733 cut-off events. For 689/735 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 14741 event pairs, 128 based on Foata normal form. 199/1701 useless extension candidates. Maximal degree in co-relation 2251. Up to 714 conditions per place. [2024-11-28 05:14:28,371 INFO L140 encePairwiseOnDemand]: 122/130 looper letters, 10 selfloop transitions, 2 changer transitions 2/121 dead transitions. [2024-11-28 05:14:28,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 121 transitions, 421 flow [2024-11-28 05:14:28,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:14:28,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:14:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 347 transitions. [2024-11-28 05:14:28,373 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8897435897435897 [2024-11-28 05:14:28,373 INFO L175 Difference]: Start difference. First operand has 127 places, 137 transitions, 434 flow. Second operand 3 states and 347 transitions. [2024-11-28 05:14:28,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 121 transitions, 421 flow [2024-11-28 05:14:28,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 121 transitions, 393 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:14:28,380 INFO L231 Difference]: Finished difference. Result has 109 places, 116 transitions, 361 flow [2024-11-28 05:14:28,381 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=361, PETRI_PLACES=109, PETRI_TRANSITIONS=116} [2024-11-28 05:14:28,382 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -21 predicate places. [2024-11-28 05:14:28,382 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 116 transitions, 361 flow [2024-11-28 05:14:28,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 05:14:28,382 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:14:28,385 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] [2024-11-28 05:14:28,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:14:28,385 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-28 05:14:28,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:28,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1557056803, now seen corresponding path program 2 times [2024-11-28 05:14:28,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:28,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341095340] [2024-11-28 05:14:28,386 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:14:28,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:28,421 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 05:14:28,421 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:14:28,663 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 05:14:28,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:28,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341095340] [2024-11-28 05:14:28,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341095340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:14:28,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:14:28,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:14:28,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740562234] [2024-11-28 05:14:28,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:14:28,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:14:28,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:28,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:14:28,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:14:28,706 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 130 [2024-11-28 05:14:28,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 116 transitions, 361 flow. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 05:14:28,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:14:28,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 130 [2024-11-28 05:14:28,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:14:28,751 INFO L124 PetriNetUnfolderBase]: 4/102 cut-off events. [2024-11-28 05:14:28,751 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-28 05:14:28,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 102 events. 4/102 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 154 event pairs, 0 based on Foata normal form. 7/106 useless extension candidates. Maximal degree in co-relation 120. Up to 10 conditions per place. [2024-11-28 05:14:28,753 INFO L140 encePairwiseOnDemand]: 126/130 looper letters, 6 selfloop transitions, 1 changer transitions 9/72 dead transitions. [2024-11-28 05:14:28,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 72 transitions, 191 flow [2024-11-28 05:14:28,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:14:28,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:14:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2024-11-28 05:14:28,755 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8692307692307693 [2024-11-28 05:14:28,755 INFO L175 Difference]: Start difference. First operand has 109 places, 116 transitions, 361 flow. Second operand 3 states and 339 transitions. [2024-11-28 05:14:28,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 72 transitions, 191 flow [2024-11-28 05:14:28,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 72 transitions, 179 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-28 05:14:28,760 INFO L231 Difference]: Finished difference. Result has 80 places, 62 transitions, 134 flow [2024-11-28 05:14:28,762 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=134, PETRI_PLACES=80, PETRI_TRANSITIONS=62} [2024-11-28 05:14:28,763 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -50 predicate places. [2024-11-28 05:14:28,763 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 62 transitions, 134 flow [2024-11-28 05:14:28,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 05:14:28,764 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:14:28,764 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] [2024-11-28 05:14:28,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:14:28,764 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-28 05:14:28,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:28,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1982342729, now seen corresponding path program 1 times [2024-11-28 05:14:28,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:28,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870996983] [2024-11-28 05:14:28,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:28,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:28,847 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 05:14:28,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:28,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870996983] [2024-11-28 05:14:28,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870996983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:14:28,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:14:28,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:14:28,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951216254] [2024-11-28 05:14:28,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:14:28,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:14:28,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:28,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:14:28,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:14:28,892 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 130 [2024-11-28 05:14:28,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 62 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:14:28,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:14:28,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 130 [2024-11-28 05:14:28,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:14:28,917 INFO L124 PetriNetUnfolderBase]: 5/73 cut-off events. [2024-11-28 05:14:28,917 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 05:14:28,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 73 events. 5/73 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 76 event pairs, 3 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 80. Up to 14 conditions per place. [2024-11-28 05:14:28,918 INFO L140 encePairwiseOnDemand]: 127/130 looper letters, 0 selfloop transitions, 0 changer transitions 62/62 dead transitions. [2024-11-28 05:14:28,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 62 transitions, 156 flow [2024-11-28 05:14:28,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:14:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:14:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2024-11-28 05:14:28,921 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7974358974358975 [2024-11-28 05:14:28,921 INFO L175 Difference]: Start difference. First operand has 80 places, 62 transitions, 134 flow. Second operand 3 states and 311 transitions. [2024-11-28 05:14:28,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 62 transitions, 156 flow [2024-11-28 05:14:28,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 62 transitions, 154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:14:28,923 INFO L231 Difference]: Finished difference. Result has 72 places, 0 transitions, 0 flow [2024-11-28 05:14:28,923 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=72, PETRI_TRANSITIONS=0} [2024-11-28 05:14:28,924 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -58 predicate places. [2024-11-28 05:14:28,924 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 0 transitions, 0 flow [2024-11-28 05:14:28,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:14:28,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-11-28 05:14:28,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-28 05:14:28,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 13 remaining) [2024-11-28 05:14:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 13 remaining) [2024-11-28 05:14:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 13 remaining) [2024-11-28 05:14:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 13 remaining) [2024-11-28 05:14:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2024-11-28 05:14:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-11-28 05:14:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-11-28 05:14:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-28 05:14:28,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-11-28 05:14:28,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-11-28 05:14:28,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-28 05:14:28,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:14:28,931 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-28 05:14:28,939 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 05:14:28,939 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:14:28,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:14:28 BasicIcfg [2024-11-28 05:14:28,949 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:14:28,950 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:14:28,950 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:14:28,952 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:14:28,953 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:14:20" (3/4) ... [2024-11-28 05:14:28,955 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:14:28,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2024-11-28 05:14:28,960 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2024-11-28 05:14:28,967 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-28 05:14:28,967 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 05:14:28,967 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 05:14:28,967 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:14:29,168 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:14:29,168 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:14:29,168 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:14:29,169 INFO L158 Benchmark]: Toolchain (without parser) took 9889.18ms. Allocated memory was 117.4MB in the beginning and 662.7MB in the end (delta: 545.3MB). Free memory was 92.6MB in the beginning and 444.0MB in the end (delta: -351.4MB). Peak memory consumption was 463.9MB. Max. memory is 16.1GB. [2024-11-28 05:14:29,170 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:14:29,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 681.65ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 72.8MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:14:29,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.59ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:14:29,172 INFO L158 Benchmark]: Boogie Preprocessor took 30.29ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 69.9MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:14:29,173 INFO L158 Benchmark]: RCFGBuilder took 578.40ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 55.5MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:14:29,173 INFO L158 Benchmark]: TraceAbstraction took 8317.93ms. Allocated memory was 117.4MB in the beginning and 662.7MB in the end (delta: 545.3MB). Free memory was 54.8MB in the beginning and 200.4MB in the end (delta: -145.7MB). Peak memory consumption was 401.5MB. Max. memory is 16.1GB. [2024-11-28 05:14:29,174 INFO L158 Benchmark]: Witness Printer took 218.03ms. Allocated memory is still 662.7MB. Free memory was 200.4MB in the beginning and 444.0MB in the end (delta: -243.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-28 05:14:29,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 681.65ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 72.8MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.59ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.29ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 69.9MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 578.40ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 55.5MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8317.93ms. Allocated memory was 117.4MB in the beginning and 662.7MB in the end (delta: 545.3MB). Free memory was 54.8MB in the beginning and 200.4MB in the end (delta: -145.7MB). Peak memory consumption was 401.5MB. Max. memory is 16.1GB. * Witness Printer took 218.03ms. Allocated memory is still 662.7MB. Free memory was 200.4MB in the beginning and 444.0MB in the end (delta: -243.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 684]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 685]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 678]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 165 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 181 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 243 IncrementalHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 35 mSDtfsCounter, 243 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=434occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 05:14:29,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10460fb0-c398-416d-833d-1fb404f7f6ff/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 Result: TRUE