./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix040.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix040.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9adb0e975425d9a1b173bce1a766592f39d0541cd50cefd6e228e1140c2f9f3e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 14:08:30,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 14:08:30,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-06 14:08:30,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 14:08:30,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 14:08:30,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 14:08:30,804 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 14:08:30,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 14:08:30,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 14:08:30,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 14:08:30,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 14:08:30,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 14:08:30,812 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 14:08:30,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 14:08:30,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 14:08:30,816 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 14:08:30,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 14:08:30,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 14:08:30,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 14:08:30,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 14:08:30,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 14:08:30,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 14:08:30,819 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 14:08:30,820 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 14:08:30,820 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 14:08:30,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 14:08:30,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 14:08:30,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 14:08:30,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 14:08:30,822 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-06 14:08:30,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 14:08:30,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 14:08:30,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 14:08:30,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 14:08:30,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 14:08:30,825 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 14:08:30,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 14:08:30,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-06 14:08:30,826 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-06 14:08:30,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-06 14:08:30,826 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 14:08:30,827 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-06 14:08:30,827 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-06 14:08:30,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9adb0e975425d9a1b173bce1a766592f39d0541cd50cefd6e228e1140c2f9f3e [2023-11-06 14:08:31,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 14:08:31,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 14:08:31,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 14:08:31,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 14:08:31,230 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 14:08:31,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i/../../sv-benchmarks/c/pthread-wmm/mix040.opt.i [2023-11-06 14:08:34,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 14:08:34,801 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 14:08:34,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/sv-benchmarks/c/pthread-wmm/mix040.opt.i [2023-11-06 14:08:34,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i/data/ffea40571/2220a5de4e214e8ebdb74a7fbe2181cd/FLAG23e6f63a5 [2023-11-06 14:08:34,842 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i/data/ffea40571/2220a5de4e214e8ebdb74a7fbe2181cd [2023-11-06 14:08:34,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 14:08:34,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 14:08:34,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 14:08:34,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 14:08:34,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 14:08:34,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:34" (1/1) ... [2023-11-06 14:08:34,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c30cf23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:34, skipping insertion in model container [2023-11-06 14:08:34,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:34" (1/1) ... [2023-11-06 14:08:34,933 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 14:08:35,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:08:35,464 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 14:08:35,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:08:35,636 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 14:08:35,636 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 14:08:35,644 INFO L206 MainTranslator]: Completed translation [2023-11-06 14:08:35,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:35 WrapperNode [2023-11-06 14:08:35,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 14:08:35,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 14:08:35,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 14:08:35,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 14:08:35,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:35" (1/1) ... [2023-11-06 14:08:35,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:35" (1/1) ... [2023-11-06 14:08:35,770 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 540 [2023-11-06 14:08:35,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 14:08:35,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 14:08:35,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 14:08:35,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 14:08:35,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:35" (1/1) ... [2023-11-06 14:08:35,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:35" (1/1) ... [2023-11-06 14:08:35,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:35" (1/1) ... [2023-11-06 14:08:35,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:35" (1/1) ... [2023-11-06 14:08:35,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:35" (1/1) ... [2023-11-06 14:08:35,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:35" (1/1) ... [2023-11-06 14:08:35,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:35" (1/1) ... [2023-11-06 14:08:35,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:35" (1/1) ... [2023-11-06 14:08:35,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 14:08:35,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 14:08:35,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 14:08:35,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 14:08:35,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:35" (1/1) ... [2023-11-06 14:08:35,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 14:08:35,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:08:35,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 14:08:35,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc52b7c-fd5b-420b-8054-1cb2fc4f4490/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 14:08:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 14:08:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 14:08:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 14:08:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 14:08:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 14:08:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-06 14:08:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-06 14:08:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-06 14:08:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-06 14:08:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-06 14:08:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-06 14:08:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-06 14:08:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-06 14:08:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 14:08:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 14:08:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 14:08:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 14:08:35,931 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 14:08:36,186 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 14:08:36,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 14:08:37,607 INFO L277 CfgBuilder]: Performing block encoding