./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 3a8f8518887bc2e5e0d6d71e32a92b54f9a899d1e11c58bdb579bc81d5f31bb3 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 11:58:10,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 11:58:10,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 11:58:10,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 11:58:10,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 11:58:11,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 11:58:11,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 11:58:11,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 11:58:11,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 11:58:11,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 11:58:11,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 11:58:11,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 11:58:11,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 11:58:11,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 11:58:11,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 11:58:11,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 11:58:11,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 11:58:11,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 11:58:11,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 11:58:11,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 11:58:11,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 11:58:11,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 11:58:11,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 11:58:11,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 11:58:11,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 11:58:11,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 11:58:11,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 11:58:11,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 11:58:11,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 11:58:11,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 11:58:11,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 11:58:11,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 11:58:11,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 11:58:11,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 11:58:11,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 11:58:11,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 11:58:11,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 11:58:11,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 11:58:11,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 11:58:11,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 11:58:11,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 11:58:11,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 11:58:11,098 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 11:58:11,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 11:58:11,100 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 11:58:11,100 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 11:58:11,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 11:58:11,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 11:58:11,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 11:58:11,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 11:58:11,102 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 11:58:11,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 11:58:11,103 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 11:58:11,103 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 11:58:11,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 11:58:11,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 11:58:11,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 11:58:11,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 11:58:11,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 11:58:11,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 11:58:11,104 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 11:58:11,105 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 11:58:11,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 11:58:11,105 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 11:58:11,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 11:58:11,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 11:58:11,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 11:58:11,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 11:58:11,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 11:58:11,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 11:58:11,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 11:58:11,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 11:58:11,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 11:58:11,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 11:58:11,107 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 11:58:11,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 11:58:11,108 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 11:58:11,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 11:58:11,108 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 11:58:11,108 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a8f8518887bc2e5e0d6d71e32a92b54f9a899d1e11c58bdb579bc81d5f31bb3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 11:58:11,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 11:58:11,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 11:58:11,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 11:58:11,456 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 11:58:11,456 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 11:58:11,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2023-08-29 11:58:12,621 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 11:58:12,848 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 11:58:12,848 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2023-08-29 11:58:12,861 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1a88cfc/0aecaf53a3b94ffb83ee0d239ba4bf2f/FLAG6b182d63e [2023-08-29 11:58:12,877 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1a88cfc/0aecaf53a3b94ffb83ee0d239ba4bf2f [2023-08-29 11:58:12,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 11:58:12,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 11:58:12,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 11:58:12,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 11:58:12,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 11:58:12,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 11:58:12" (1/1) ... [2023-08-29 11:58:12,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4512e6f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:12, skipping insertion in model container [2023-08-29 11:58:12,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 11:58:12" (1/1) ... [2023-08-29 11:58:12,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 11:58:12,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 11:58:13,107 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i[996,1009] [2023-08-29 11:58:13,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 11:58:13,364 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 11:58:13,375 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i[996,1009] [2023-08-29 11:58:13,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 11:58:13,437 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 11:58:13,437 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 11:58:13,442 INFO L208 MainTranslator]: Completed translation [2023-08-29 11:58:13,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:13 WrapperNode [2023-08-29 11:58:13,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 11:58:13,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 11:58:13,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 11:58:13,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 11:58:13,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:13" (1/1) ... [2023-08-29 11:58:13,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:13" (1/1) ... [2023-08-29 11:58:13,492 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 465 [2023-08-29 11:58:13,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 11:58:13,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 11:58:13,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 11:58:13,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 11:58:13,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:13" (1/1) ... [2023-08-29 11:58:13,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:13" (1/1) ... [2023-08-29 11:58:13,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:13" (1/1) ... [2023-08-29 11:58:13,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:13" (1/1) ... [2023-08-29 11:58:13,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:13" (1/1) ... [2023-08-29 11:58:13,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:13" (1/1) ... [2023-08-29 11:58:13,530 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:13" (1/1) ... [2023-08-29 11:58:13,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:13" (1/1) ... [2023-08-29 11:58:13,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 11:58:13,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 11:58:13,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 11:58:13,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 11:58:13,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:13" (1/1) ... [2023-08-29 11:58:13,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 11:58:13,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 11:58:13,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 11:58:13,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 11:58:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 11:58:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 11:58:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 11:58:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 11:58:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 11:58:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-29 11:58:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-29 11:58:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-29 11:58:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-29 11:58:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 11:58:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 11:58:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 11:58:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 11:58:13,630 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 11:58:13,773 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 11:58:13,775 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 11:58:14,860 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 12:07:20,648 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 12:07:20,649 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 12:07:20,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 12:07:20 BoogieIcfgContainer [2023-08-29 12:07:20,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 12:07:20,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 12:07:20,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 12:07:20,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 12:07:20,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 11:58:12" (1/3) ... [2023-08-29 12:07:20,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a791e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 12:07:20, skipping insertion in model container [2023-08-29 12:07:20,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:58:13" (2/3) ... [2023-08-29 12:07:20,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a791e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 12:07:20, skipping insertion in model container [2023-08-29 12:07:20,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 12:07:20" (3/3) ... [2023-08-29 12:07:20,662 INFO L112 eAbstractionObserver]: Analyzing ICFG mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2023-08-29 12:07:20,671 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 12:07:20,681 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 12:07:20,682 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 213 error locations. [2023-08-29 12:07:20,682 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 12:07:51,068 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 12:07:51,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 312 places, 307 transitions, 624 flow [2023-08-29 12:11:10,623 INFO L130 PetriNetUnfolder]: 2/305 cut-off events. [2023-08-29 12:11:10,623 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 12:11:10,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 305 events. 2/305 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 1794 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 268. Up to 2 conditions per place. [2023-08-29 12:11:10,632 INFO L82 GeneralOperation]: Start removeDead. Operand has 312 places, 307 transitions, 624 flow [2023-08-29 12:11:10,652 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 310 places, 305 transitions, 616 flow [2023-08-29 12:11:10,656 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 12:11:10,667 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 310 places, 305 transitions, 616 flow [2023-08-29 12:11:10,669 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 310 places, 305 transitions, 616 flow [2023-08-29 12:11:10,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 310 places, 305 transitions, 616 flow Killed by 15