./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS --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 e1a7472923aa95b61749a468b52dfc65e03dead5bf647c94f71a6e156dc586ae --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:38:06,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:38:06,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:38:06,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:38:06,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:38:06,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:38:06,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:38:06,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:38:06,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:38:06,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:38:06,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:38:06,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:38:06,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:38:06,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:38:06,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:38:06,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:38:06,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:38:06,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:38:06,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:38:06,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:38:06,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:38:06,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:38:06,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:38:06,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:38:06,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:38:06,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:38:06,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:38:06,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:38:06,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:38:06,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:38:06,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:38:06,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:38:06,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:38:06,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:38:06,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:38:06,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:38:06,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:38:06,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:38:06,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:38:06,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:38:06,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:38:06,445 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 02:38:06,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:38:06,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:38:06,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:38:06,482 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:38:06,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:38:06,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:38:06,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:38:06,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:38:06,485 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:38:06,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:38:06,486 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:38:06,486 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:38:06,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:38:06,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:38:06,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:38:06,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:38:06,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:38:06,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:38:06,488 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 02:38:06,488 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:38:06,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:38:06,488 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:38:06,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:38:06,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:38:06,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:38:06,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:38:06,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:38:06,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:38:06,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:38:06,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:38:06,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:38:06,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:38:06,491 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:38:06,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:38:06,492 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:38:06,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:38:06,492 INFO L138 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_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1a7472923aa95b61749a468b52dfc65e03dead5bf647c94f71a6e156dc586ae [2022-11-23 02:38:06,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:38:06,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:38:06,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:38:06,856 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:38:06,856 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:38:06,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i [2022-11-23 02:38:09,816 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:38:10,133 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:38:10,134 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/sv-benchmarks/c/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i [2022-11-23 02:38:10,148 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS/data/c54c130cb/89f4b02f4bae4b0cb41e8d5ce1bc2143/FLAGe18910a64 [2022-11-23 02:38:10,165 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS/data/c54c130cb/89f4b02f4bae4b0cb41e8d5ce1bc2143 [2022-11-23 02:38:10,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:38:10,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:38:10,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:38:10,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:38:10,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:38:10,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:10" (1/1) ... [2022-11-23 02:38:10,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fb4951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:10, skipping insertion in model container [2022-11-23 02:38:10,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:10" (1/1) ... [2022-11-23 02:38:10,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:38:10,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:38:10,417 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/sv-benchmarks/c/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i[1014,1027] [2022-11-23 02:38:10,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:38:10,832 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:38:10,849 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/sv-benchmarks/c/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i[1014,1027] [2022-11-23 02:38:10,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:38:11,005 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:38:11,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11 WrapperNode [2022-11-23 02:38:11,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:38:11,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:38:11,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:38:11,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:38:11,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11" (1/1) ... [2022-11-23 02:38:11,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11" (1/1) ... [2022-11-23 02:38:11,113 INFO L138 Inliner]: procedures = 175, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 293 [2022-11-23 02:38:11,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:38:11,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:38:11,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:38:11,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:38:11,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11" (1/1) ... [2022-11-23 02:38:11,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11" (1/1) ... [2022-11-23 02:38:11,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11" (1/1) ... [2022-11-23 02:38:11,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11" (1/1) ... [2022-11-23 02:38:11,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11" (1/1) ... [2022-11-23 02:38:11,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11" (1/1) ... [2022-11-23 02:38:11,225 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11" (1/1) ... [2022-11-23 02:38:11,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11" (1/1) ... [2022-11-23 02:38:11,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:38:11,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:38:11,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:38:11,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:38:11,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11" (1/1) ... [2022-11-23 02:38:11,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:38:11,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:38:11,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:38:11,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f02c4e-cf7f-43ba-9712-6213d2bc469e/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:38:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:38:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:38:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 02:38:11,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:38:11,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:38:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:38:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-23 02:38:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-23 02:38:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-23 02:38:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-23 02:38:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:38:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 02:38:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:38:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:38:11,346 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 02:38:11,629 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:38:11,635 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:38:13,363 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:39:26,360 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:39:26,360 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:39:26,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:26 BoogieIcfgContainer [2022-11-23 02:39:26,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:39:26,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:39:26,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:39:26,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:39:26,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:38:10" (1/3) ... [2022-11-23 02:39:26,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17240c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:39:26, skipping insertion in model container [2022-11-23 02:39:26,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11" (2/3) ... [2022-11-23 02:39:26,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17240c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:39:26, skipping insertion in model container [2022-11-23 02:39:26,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:26" (3/3) ... [2022-11-23 02:39:26,374 INFO L112 eAbstractionObserver]: Analyzing ICFG safe006_power.oepc-thin000_power.oepc.i [2022-11-23 02:39:26,386 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 02:39:26,400 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:39:26,401 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 226 error locations. [2022-11-23 02:39:26,401 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 02:39:39,261 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 02:39:39,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 344 places, 339 transitions, 688 flow [2022-11-23 02:39:46,096 INFO L130 PetriNetUnfolder]: 2/337 cut-off events. [2022-11-23 02:39:46,097 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:39:46,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 337 events. 2/337 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 2222 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 282. Up to 2 conditions per place. [2022-11-23 02:39:46,115 INFO L82 GeneralOperation]: Start removeDead. Operand has 344 places, 339 transitions, 688 flow [2022-11-23 02:39:46,133 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 342 places, 337 transitions, 680 flow [2022-11-23 02:39:46,139 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 02:39:46,157 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 342 places, 337 transitions, 680 flow [2022-11-23 02:39:46,161 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 342 places, 337 transitions, 680 flow [2022-11-23 02:39:46,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 342 places, 337 transitions, 680 flow