./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu --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 473191b5f1326a38296af26dcd2c7f553c42833f82b512e9fb358484309bc769 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:55:26,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:55:26,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:55:26,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:55:26,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:55:26,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:55:26,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:55:26,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:55:26,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:55:26,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:55:26,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:55:26,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:55:26,381 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:55:26,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:55:26,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:55:26,383 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:55:26,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:55:26,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:55:26,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:55:26,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:55:26,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:55:26,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:55:26,388 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:55:26,388 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:55:26,389 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:55:26,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:55:26,390 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:55:26,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:55:26,391 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:55:26,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:55:26,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:26,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:55:26,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:55:26,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:55:26,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:55:26,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:55:26,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:55:26,396 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:55:26,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:55:26,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:55:26,397 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:55:26,397 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_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473191b5f1326a38296af26dcd2c7f553c42833f82b512e9fb358484309bc769 [2023-11-19 07:55:26,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:55:26,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:55:26,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:55:26,664 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:55:26,665 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:55:26,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-19 07:55:29,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:55:30,143 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:55:30,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-19 07:55:30,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu/data/99355cd42/e2fdc5dc8ead4f7d9c7a9b7e1c4e914d/FLAG6d997dd05 [2023-11-19 07:55:30,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu/data/99355cd42/e2fdc5dc8ead4f7d9c7a9b7e1c4e914d [2023-11-19 07:55:30,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:55:30,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:55:30,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:30,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:55:30,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:55:30,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:30" (1/1) ... [2023-11-19 07:55:30,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db39f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30, skipping insertion in model container [2023-11-19 07:55:30,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:30" (1/1) ... [2023-11-19 07:55:30,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:55:30,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:30,820 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:55:30,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:31,026 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:55:31,026 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:55:31,034 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:55:31,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:31 WrapperNode [2023-11-19 07:55:31,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:31,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:31,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:55:31,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:55:31,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:31" (1/1) ... [2023-11-19 07:55:31,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:31" (1/1) ... [2023-11-19 07:55:31,148 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 986 [2023-11-19 07:55:31,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:31,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:55:31,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:55:31,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:55:31,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:31" (1/1) ... [2023-11-19 07:55:31,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:31" (1/1) ... [2023-11-19 07:55:31,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:31" (1/1) ... [2023-11-19 07:55:31,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:31" (1/1) ... [2023-11-19 07:55:31,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:31" (1/1) ... [2023-11-19 07:55:31,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:31" (1/1) ... [2023-11-19 07:55:31,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:31" (1/1) ... [2023-11-19 07:55:31,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:31" (1/1) ... [2023-11-19 07:55:31,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:55:31,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:55:31,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:55:31,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:55:31,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:31" (1/1) ... [2023-11-19 07:55:31,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:31,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:31,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:31,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776cbd8e-a526-4df4-9501-dfeb4864842b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:55:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:55:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 07:55:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 07:55:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 07:55:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 07:55:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 07:55:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 07:55:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 07:55:31,318 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 07:55:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:55:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:55:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:55:31,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:55:31,322 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:55:31,583 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:55:31,586 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:55:33,125 INFO L277 CfgBuilder]: Performing block encoding