./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe025_rmo.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 245f8deca690daafc67ff44dd7680fe4934c4e890117db34905ca3a31fc7577b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:04:02,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:04:02,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 23:04:02,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:04:02,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:04:02,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:04:02,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:04:02,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:04:02,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:04:02,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:04:02,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:04:02,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:04:02,812 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:04:02,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:04:02,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:04:02,816 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:04:02,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:04:02,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:04:02,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:04:02,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:04:02,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:04:02,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:04:02,819 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 23:04:02,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:04:02,822 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:04:02,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:04:02,823 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:04:02,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:04:02,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:04:02,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:04:02,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:04:02,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:04:02,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:04:02,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:04:02,828 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:04:02,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:04:02,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:04:02,829 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:04:02,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:04:02,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:04:02,830 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:04:02,840 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_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 245f8deca690daafc67ff44dd7680fe4934c4e890117db34905ca3a31fc7577b [2023-11-06 23:04:03,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:04:03,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:04:03,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:04:03,293 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:04:03,293 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:04:03,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-wmm/safe025_rmo.i [2023-11-06 23:04:06,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:04:06,873 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:04:06,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/sv-benchmarks/c/pthread-wmm/safe025_rmo.i [2023-11-06 23:04:06,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP/data/43e748c35/3ab1506b23744657a9eca7c5f867ea18/FLAGc9c19f2e4 [2023-11-06 23:04:06,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP/data/43e748c35/3ab1506b23744657a9eca7c5f867ea18 [2023-11-06 23:04:06,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:04:06,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:04:06,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:06,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:04:06,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:04:06,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:06" (1/1) ... [2023-11-06 23:04:06,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae87f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:06, skipping insertion in model container [2023-11-06 23:04:06,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:06" (1/1) ... [2023-11-06 23:04:07,067 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:04:07,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:07,902 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:04:08,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:08,170 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:04:08,170 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:04:08,179 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:04:08,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:08 WrapperNode [2023-11-06 23:04:08,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:08,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:04:08,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:04:08,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:04:08,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:08" (1/1) ... [2023-11-06 23:04:08,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:08" (1/1) ... [2023-11-06 23:04:08,404 INFO L138 Inliner]: procedures = 176, calls = 85, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 797 [2023-11-06 23:04:08,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:04:08,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:04:08,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:04:08,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:04:08,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:08" (1/1) ... [2023-11-06 23:04:08,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:08" (1/1) ... [2023-11-06 23:04:08,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:08" (1/1) ... [2023-11-06 23:04:08,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:08" (1/1) ... [2023-11-06 23:04:08,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:08" (1/1) ... [2023-11-06 23:04:08,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:08" (1/1) ... [2023-11-06 23:04:08,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:08" (1/1) ... [2023-11-06 23:04:08,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:08" (1/1) ... [2023-11-06 23:04:08,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:04:08,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:04:08,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:04:08,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:04:08,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:08" (1/1) ... [2023-11-06 23:04:08,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:04:08,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:08,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:08,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b63f143-43c0-46e2-89a7-a5ef84c19240/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:04:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:04:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:04:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 23:04:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:04:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:04:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:04:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-06 23:04:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-06 23:04:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-06 23:04:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-06 23:04:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-06 23:04:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-06 23:04:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:04:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 23:04:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:04:08,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:04:08,743 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:04:09,110 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:04:09,113 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:04:11,832 INFO L277 CfgBuilder]: Performing block encoding