./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.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_433e5022-b809-45c3-9c2a-1bf05057ff89/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433e5022-b809-45c3-9c2a-1bf05057ff89/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_433e5022-b809-45c3-9c2a-1bf05057ff89/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433e5022-b809-45c3-9c2a-1bf05057ff89/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433e5022-b809-45c3-9c2a-1bf05057ff89/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_433e5022-b809-45c3-9c2a-1bf05057ff89/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 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:14:09,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:14:09,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433e5022-b809-45c3-9c2a-1bf05057ff89/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:14:09,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:14:09,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:14:09,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:14:09,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:14:09,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:14:09,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:14:09,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:14:09,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:14:09,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:14:09,964 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:14:09,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:14:09,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:14:09,969 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:14:09,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:14:09,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:14:09,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:14:09,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:14:09,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:14:09,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:14:09,977 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:14:09,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:14:09,978 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:14:09,978 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:14:09,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:14:09,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:14:09,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:14:09,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:14:09,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:14:09,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:09,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:14:09,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:14:09,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:14:09,982 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:14:09,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:14:09,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:14:09,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:14:09,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:14:09,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:14:09,984 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_433e5022-b809-45c3-9c2a-1bf05057ff89/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433e5022-b809-45c3-9c2a-1bf05057ff89/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067 [2024-10-31 22:14:10,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:14:10,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:14:10,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:14:10,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:14:10,335 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:14:10,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433e5022-b809-45c3-9c2a-1bf05057ff89/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i Unable to find full path for "g++" [2024-10-31 22:14:12,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:12,796 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:12,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433e5022-b809-45c3-9c2a-1bf05057ff89/sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i [2024-10-31 22:14:12,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433e5022-b809-45c3-9c2a-1bf05057ff89/bin/uautomizer-verify-4GaUIPS5ZU/data/ecab922d5/dd29d9a51f3b40ad9e1c436fa9c7648a/FLAGb016ddf0a [2024-10-31 22:14:12,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433e5022-b809-45c3-9c2a-1bf05057ff89/bin/uautomizer-verify-4GaUIPS5ZU/data/ecab922d5/dd29d9a51f3b40ad9e1c436fa9c7648a [2024-10-31 22:14:12,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:12,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:12,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:12,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:12,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:12,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:12" (1/1) ... [2024-10-31 22:14:12,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bfcc1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:12, skipping insertion in model container [2024-10-31 22:14:12,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:12" (1/1) ... [2024-10-31 22:14:12,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:14:13,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:13,528 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:14:13,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:13,706 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:14:13,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:13 WrapperNode [2024-10-31 22:14:13,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:13,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:13,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:14:13,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:14:13,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:13" (1/1) ... [2024-10-31 22:14:13,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:13" (1/1) ... [2024-10-31 22:14:13,809 INFO L138 Inliner]: procedures = 175, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 313 [2024-10-31 22:14:13,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:13,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:14:13,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:14:13,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:14:13,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:13" (1/1) ... [2024-10-31 22:14:13,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:13" (1/1) ... [2024-10-31 22:14:13,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:13" (1/1) ... [2024-10-31 22:14:13,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:13" (1/1) ... [2024-10-31 22:14:13,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:13" (1/1) ... [2024-10-31 22:14:13,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:13" (1/1) ... [2024-10-31 22:14:13,877 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:13" (1/1) ... [2024-10-31 22:14:13,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:13" (1/1) ... [2024-10-31 22:14:13,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:14:13,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:14:13,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:14:13,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:14:13,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:13" (1/1) ... [2024-10-31 22:14:13,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:13,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433e5022-b809-45c3-9c2a-1bf05057ff89/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:13,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433e5022-b809-45c3-9c2a-1bf05057ff89/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:13,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433e5022-b809-45c3-9c2a-1bf05057ff89/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:14:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:14:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:14:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:14:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:14:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-31 22:14:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-31 22:14:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-31 22:14:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-31 22:14:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-31 22:14:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-31 22:14:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:14:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:14:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:14:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:14:13,991 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 22:14:14,217 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:14:14,219 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:14:16,514 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:14:16,514 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:14:29,264 WARN L1754 r$LargeBlockEncoding]: Complex 3:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-10-31 22:14:29,490 WARN L1754 r$LargeBlockEncoding]: Complex 3:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-10-31 22:14:29,549 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:14:29,549 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:14:29,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:29 BoogieIcfgContainer [2024-10-31 22:14:29,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:14:29,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:14:29,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:14:29,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:14:29,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:14:12" (1/3) ... [2024-10-31 22:14:29,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a487eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:29, skipping insertion in model container [2024-10-31 22:14:29,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:13" (2/3) ... [2024-10-31 22:14:29,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a487eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:29, skipping insertion in model container [2024-10-31 22:14:29,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:29" (3/3) ... [2024-10-31 22:14:29,560 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi009_rmo.oepc.i [2024-10-31 22:14:29,581 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:14:29,581 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 279 error locations. [2024-10-31 22:14:29,581 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:14:30,274 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:14:30,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 417 places, 498 transitions, 1008 flow [2024-10-31 22:14:30,842 INFO L124 PetriNetUnfolderBase]: 91/495 cut-off events. [2024-10-31 22:14:30,842 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:14:30,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 495 events. 91/495 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2543 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 440. Up to 3 conditions per place. [2024-10-31 22:14:30,865 INFO L82 GeneralOperation]: Start removeDead. Operand has 417 places, 498 transitions, 1008 flow [2024-10-31 22:14:30,910 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 414 places, 495 transitions, 999 flow [2024-10-31 22:14:30,925 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:14:30,937 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;@64f07d43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:14:30,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 516 error locations. [2024-10-31 22:14:30,953 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:14:30,954 INFO L124 PetriNetUnfolderBase]: 0/61 cut-off events. [2024-10-31 22:14:30,954 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:14:30,954 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:14:30,955 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] [2024-10-31 22:14:30,956 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 512 more)] === [2024-10-31 22:14:30,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:30,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1375882802, now seen corresponding path program 1 times [2024-10-31 22:14:30,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:30,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486865068] [2024-10-31 22:14:30,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:30,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:31,351 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 22:14:31,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:31,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486865068] [2024-10-31 22:14:31,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486865068] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:31,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:31,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:14:31,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329785063] [2024-10-31 22:14:31,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:31,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:14:31,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:31,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:14:31,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:14:31,406 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 498 [2024-10-31 22:14:31,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 495 transitions, 999 flow. Second operand has 2 states, 2 states have (on average 114.0) internal successors, (228), 2 states have internal predecessors, (228), 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 22:14:31,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:14:31,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 498 [2024-10-31 22:14:31,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:14:35,368 INFO L124 PetriNetUnfolderBase]: 1011/2921 cut-off events. [2024-10-31 22:14:35,369 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-10-31 22:14:35,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4331 conditions, 2921 events. 1011/2921 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 23751 event pairs, 691 based on Foata normal form. 213/2590 useless extension candidates. Maximal degree in co-relation 4264. Up to 1356 conditions per place. [2024-10-31 22:14:35,400 INFO L140 encePairwiseOnDemand]: 134/498 looper letters, 20 selfloop transitions, 0 changer transitions 0/129 dead transitions. [2024-10-31 22:14:35,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 129 transitions, 307 flow [2024-10-31 22:14:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:14:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-31 22:14:35,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 610 transitions. [2024-10-31 22:14:35,424 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6124497991967871 [2024-10-31 22:14:35,426 INFO L175 Difference]: Start difference. First operand has 414 places, 495 transitions, 999 flow. Second operand 2 states and 610 transitions. [2024-10-31 22:14:35,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 129 transitions, 307 flow [2024-10-31 22:14:35,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 129 transitions, 304 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-31 22:14:35,527 INFO L231 Difference]: Finished difference. Result has 133 places, 129 transitions, 264 flow [2024-10-31 22:14:35,529 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=264, PETRI_PLACES=133, PETRI_TRANSITIONS=129} [2024-10-31 22:14:35,534 INFO L277 CegarLoopForPetriNet]: 414 programPoint places, -281 predicate places. [2024-10-31 22:14:35,534 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 129 transitions, 264 flow [2024-10-31 22:14:35,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 114.0) internal successors, (228), 2 states have internal predecessors, (228), 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 22:14:35,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:14:35,535 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:35,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:14:35,536 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 512 more)] === [2024-10-31 22:14:35,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:35,537 INFO L85 PathProgramCache]: Analyzing trace with hash -897336676, now seen corresponding path program 1 times [2024-10-31 22:14:35,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:35,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764950074] [2024-10-31 22:14:35,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:35,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:35,772 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 22:14:35,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:35,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764950074] [2024-10-31 22:14:35,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764950074] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:35,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:35,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:14:35,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282047367] [2024-10-31 22:14:35,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:35,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:14:35,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:35,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:14:35,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:14:35,782 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 498 [2024-10-31 22:14:35,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 129 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 22:14:35,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:14:35,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 498 [2024-10-31 22:14:35,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand