./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl --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 9a8131f8693d82039b4018f716a17d0a3e1038ace11c7bb21b12bc911efac3c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:09:35,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:09:35,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:09:35,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:09:35,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:09:35,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:09:35,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:09:35,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:09:35,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:09:35,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:09:35,196 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:09:35,196 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:09:35,197 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:09:35,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:09:35,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:09:35,199 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:09:35,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:09:35,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:09:35,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:09:35,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:09:35,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:09:35,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:09:35,203 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:09:35,204 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:09:35,204 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:09:35,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:09:35,206 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:09:35,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:09:35,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:09:35,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:09:35,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:09:35,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:09:35,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:09:35,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:09:35,210 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:09:35,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:09:35,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:09:35,212 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:09:35,213 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:09:35,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:09:35,214 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:09:35,214 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_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a8131f8693d82039b4018f716a17d0a3e1038ace11c7bb21b12bc911efac3c1 [2023-11-12 02:09:35,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:09:35,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:09:35,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:09:35,520 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:09:35,521 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:09:35,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i [2023-11-12 02:09:38,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:09:39,411 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:09:39,412 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i [2023-11-12 02:09:39,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl/data/6f3446729/8d872ae1ba9f424abf076d16fe7e06b6/FLAG1f324a6d9 [2023-11-12 02:09:39,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl/data/6f3446729/8d872ae1ba9f424abf076d16fe7e06b6 [2023-11-12 02:09:39,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:09:39,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:09:39,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:09:39,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:09:39,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:09:39,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:09:39" (1/1) ... [2023-11-12 02:09:39,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7087efa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:39, skipping insertion in model container [2023-11-12 02:09:39,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:09:39" (1/1) ... [2023-11-12 02:09:39,585 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:09:40,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:09:40,217 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:09:40,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:09:40,385 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:09:40,386 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:09:40,395 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:09:40,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:40 WrapperNode [2023-11-12 02:09:40,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:09:40,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:09:40,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:09:40,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:09:40,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:40" (1/1) ... [2023-11-12 02:09:40,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:40" (1/1) ... [2023-11-12 02:09:40,573 INFO L138 Inliner]: procedures = 177, calls = 68, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 963 [2023-11-12 02:09:40,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:09:40,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:09:40,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:09:40,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:09:40,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:40" (1/1) ... [2023-11-12 02:09:40,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:40" (1/1) ... [2023-11-12 02:09:40,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:40" (1/1) ... [2023-11-12 02:09:40,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:40" (1/1) ... [2023-11-12 02:09:40,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:40" (1/1) ... [2023-11-12 02:09:40,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:40" (1/1) ... [2023-11-12 02:09:40,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:40" (1/1) ... [2023-11-12 02:09:40,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:40" (1/1) ... [2023-11-12 02:09:40,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:09:40,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:09:40,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:09:40,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:09:40,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:40" (1/1) ... [2023-11-12 02:09:40,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:09:40,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:09:40,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:09:40,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc5bac-dacb-4ab3-be5a-f95442924954/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:09:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:09:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:09:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:09:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:09:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:09:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-12 02:09:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-12 02:09:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-12 02:09:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-12 02:09:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-12 02:09:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-12 02:09:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-12 02:09:40,828 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-12 02:09:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:09:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:09:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:09:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:09:40,831 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:09:41,154 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:09:41,157 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:09:42,938 INFO L277 CfgBuilder]: Performing block encoding