./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU --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 a650c00976061981bc34910bafee4d11d94c16289374f008af5a1f8d17e97036 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:52,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:52,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:17:52,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:52,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:52,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:52,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:52,461 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:52,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:17:52,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:17:52,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:52,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:52,465 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:52,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:52,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:17:52,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:17:52,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:17:52,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:17:52,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:52,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:17:52,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:17:52,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:17:52,473 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:17:52,473 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:52,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:17:52,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:17:52,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:17:52,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:52,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:52,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:52,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:17:52,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:52,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:52,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:17:52,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:17:52,480 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:17:52,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:17:52,481 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:17:52,481 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:17:52,481 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:17:52,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:17:52,482 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a650c00976061981bc34910bafee4d11d94c16289374f008af5a1f8d17e97036 [2024-10-31 22:17:52,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:52,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:52,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:52,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:52,868 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:52,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i Unable to find full path for "g++" [2024-10-31 22:17:55,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:17:55,457 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:17:55,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2024-10-31 22:17:55,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU/data/030776e9c/939057e4751d4ed888deb49e1f8a892d/FLAG59928ff31 [2024-10-31 22:17:55,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU/data/030776e9c/939057e4751d4ed888deb49e1f8a892d [2024-10-31 22:17:55,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:17:55,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:17:55,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:55,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:17:55,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:17:55,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:55" (1/1) ... [2024-10-31 22:17:55,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a75455b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:55, skipping insertion in model container [2024-10-31 22:17:55,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:55" (1/1) ... [2024-10-31 22:17:55,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:56,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:56,237 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:17:56,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:56,497 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:17:56,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:56 WrapperNode [2024-10-31 22:17:56,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:56,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:56,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:17:56,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:17:56,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:56" (1/1) ... [2024-10-31 22:17:56,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:56" (1/1) ... [2024-10-31 22:17:56,650 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 946 [2024-10-31 22:17:56,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:56,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:17:56,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:17:56,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:17:56,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:56" (1/1) ... [2024-10-31 22:17:56,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:56" (1/1) ... [2024-10-31 22:17:56,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:56" (1/1) ... [2024-10-31 22:17:56,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:56" (1/1) ... [2024-10-31 22:17:56,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:56" (1/1) ... [2024-10-31 22:17:56,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:56" (1/1) ... [2024-10-31 22:17:56,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:56" (1/1) ... [2024-10-31 22:17:56,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:56" (1/1) ... [2024-10-31 22:17:56,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:17:56,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:17:56,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:17:56,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:17:56,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:56" (1/1) ... [2024-10-31 22:17:56,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:56,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:56,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:56,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0de93d-99ca-4864-a7d8-a7c6cbfa1501/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:17:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:17:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:17:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-31 22:17:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-31 22:17:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-31 22:17:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-31 22:17:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-31 22:17:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-31 22:17:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-31 22:17:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-31 22:17:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:17:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:17:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:17:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:17:56,880 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:17:57,163 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:17:57,166 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:59,087 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:17:59,087 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:18:04,493 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:18:04,493 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:18:04,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:04 BoogieIcfgContainer [2024-10-31 22:18:04,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:18:04,496 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:18:04,497 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:18:04,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:18:04,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:17:55" (1/3) ... [2024-10-31 22:18:04,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54241543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:04, skipping insertion in model container [2024-10-31 22:18:04,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:56" (2/3) ... [2024-10-31 22:18:04,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54241543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:04, skipping insertion in model container [2024-10-31 22:18:04,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:04" (3/3) ... [2024-10-31 22:18:04,503 INFO L112 eAbstractionObserver]: Analyzing ICFG mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2024-10-31 22:18:04,528 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:18:04,528 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 222 error locations. [2024-10-31 22:18:04,528 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:18:04,717 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:18:04,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 360 places, 350 transitions, 716 flow [2024-10-31 22:18:05,129 INFO L124 PetriNetUnfolderBase]: 3/346 cut-off events. [2024-10-31 22:18:05,131 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:05,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 346 events. 3/346 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1789 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 311. Up to 2 conditions per place. [2024-10-31 22:18:05,144 INFO L82 GeneralOperation]: Start removeDead. Operand has 360 places, 350 transitions, 716 flow [2024-10-31 22:18:05,167 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 356 places, 346 transitions, 704 flow [2024-10-31 22:18:05,182 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:05,191 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;@b3aba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:05,191 INFO L334 AbstractCegarLoop]: Starting to check reachability of 317 error locations. [2024-10-31 22:18:05,203 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:18:05,204 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2024-10-31 22:18:05,204 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:05,204 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:05,205 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:05,206 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 313 more)] === [2024-10-31 22:18:05,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:05,212 INFO L85 PathProgramCache]: Analyzing trace with hash 762644979, now seen corresponding path program 1 times [2024-10-31 22:18:05,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:05,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858434290] [2024-10-31 22:18:05,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:05,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:05,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:05,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:05,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858434290] [2024-10-31 22:18:05,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858434290] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:05,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:05,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:18:05,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863258174] [2024-10-31 22:18:05,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:05,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:18:05,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:05,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:18:05,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:18:05,599 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 350 [2024-10-31 22:18:05,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 346 transitions, 704 flow. Second operand has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 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) [2024-10-31 22:18:05,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:05,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 350 [2024-10-31 22:18:05,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:15,436 INFO L124 PetriNetUnfolderBase]: 4772/13697 cut-off events. [2024-10-31 22:18:15,437 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2024-10-31 22:18:15,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20377 conditions, 13697 events. 4772/13697 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 155713 event pairs, 4772 based on Foata normal form. 1152/13895 useless extension candidates. Maximal degree in co-relation 20327. Up to 6473 conditions per place. [2024-10-31 22:18:15,804 INFO L140 encePairwiseOnDemand]: 127/350 looper letters, 21 selfloop transitions, 0 changer transitions 0/121 dead transitions. [2024-10-31 22:18:15,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 121 transitions, 296 flow [2024-10-31 22:18:15,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:18:15,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-31 22:18:15,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 454 transitions. [2024-10-31 22:18:15,827 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6485714285714286 [2024-10-31 22:18:15,831 INFO L175 Difference]: Start difference. First operand has 356 places, 346 transitions, 704 flow. Second operand 2 states and 454 transitions. [2024-10-31 22:18:15,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 121 transitions, 296 flow [2024-10-31 22:18:15,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 121 transitions, 292 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:18:15,840 INFO L231 Difference]: Finished difference. Result has 131 places, 121 transitions, 250 flow [2024-10-31 22:18:15,842 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=250, PETRI_PLACES=131, PETRI_TRANSITIONS=121} [2024-10-31 22:18:15,848 INFO L277 CegarLoopForPetriNet]: 356 programPoint places, -225 predicate places. [2024-10-31 22:18:15,849 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 121 transitions, 250 flow [2024-10-31 22:18:15,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 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) [2024-10-31 22:18:15,850 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:15,851 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:15,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:18:15,852 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 313 more)] === [2024-10-31 22:18:15,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:15,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1881176928, now seen corresponding path program 1 times [2024-10-31 22:18:15,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:15,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193711902] [2024-10-31 22:18:15,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:15,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:16,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:16,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193711902] [2024-10-31 22:18:16,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193711902] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:16,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:16,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:16,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990782752] [2024-10-31 22:18:16,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:16,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:16,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:16,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:16,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:16,066 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 350 [2024-10-31 22:18:16,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 121 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2024-10-31 22:18:16,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:16,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 350 [2024-10-31 22:18:16,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:24,518 INFO L124 PetriNetUnfolderBase]: 7252/19560 cut-off events. [2024-10-31 22:18:24,519 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:24,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29517 conditions, 19560 events. 7252/19560 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 567. Compared 217448 event pairs, 2292 based on Foata normal form. 0/18318 useless extension candidates. Maximal degree in co-relation 29514. Up to 6560 conditions per place. [2024-10-31 22:18:24,653 INFO L140 encePairwiseOnDemand]: 348/350 looper letters, 36 selfloop transitions, 1 changer transitions 0/134 dead transitions. [2024-10-31 22:18:24,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 134 transitions, 350 flow [2024-10-31 22:18:24,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.