./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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/rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.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 60cd4209446f80c263553fdb6a481b4dd4e668058f5fe80fa8786bdb8310f6e8 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 16:19:35,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 16:19:35,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 16:19:35,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 16:19:35,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 16:19:35,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 16:19:35,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 16:19:35,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 16:19:35,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 16:19:35,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 16:19:35,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 16:19:35,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 16:19:35,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 16:19:35,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 16:19:35,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 16:19:35,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 16:19:35,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 16:19:35,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 16:19:35,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 16:19:36,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 16:19:36,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 16:19:36,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 16:19:36,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 16:19:36,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 16:19:36,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 16:19:36,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 16:19:36,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 16:19:36,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 16:19:36,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 16:19:36,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 16:19:36,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 16:19:36,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 16:19:36,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 16:19:36,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 16:19:36,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 16:19:36,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 16:19:36,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 16:19:36,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 16:19:36,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 16:19:36,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 16:19:36,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 16:19:36,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 16:19:36,067 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 16:19:36,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 16:19:36,067 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 16:19:36,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 16:19:36,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 16:19:36,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 16:19:36,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 16:19:36,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 16:19:36,071 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 16:19:36,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 16:19:36,072 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 16:19:36,072 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 16:19:36,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 16:19:36,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 16:19:36,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 16:19:36,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 16:19:36,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 16:19:36,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 16:19:36,073 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 16:19:36,073 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 16:19:36,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 16:19:36,074 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 16:19:36,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 16:19:36,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 16:19:36,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 16:19:36,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 16:19:36,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 16:19:36,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 16:19:36,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 16:19:36,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 16:19:36,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 16:19:36,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 16:19:36,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 16:19:36,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 16:19:36,076 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 16:19:36,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 16:19:36,077 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 16:19:36,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60cd4209446f80c263553fdb6a481b4dd4e668058f5fe80fa8786bdb8310f6e8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 16:19:36,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 16:19:36,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 16:19:36,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 16:19:36,396 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 16:19:36,397 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 16:19:36,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-08-31 16:19:37,595 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 16:19:37,811 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 16:19:37,812 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-08-31 16:19:37,827 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0db91681/c2e64fc224214cc196d739197dd145b4/FLAGdb71744a1 [2023-08-31 16:19:37,838 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0db91681/c2e64fc224214cc196d739197dd145b4 [2023-08-31 16:19:37,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 16:19:37,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 16:19:37,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 16:19:37,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 16:19:37,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 16:19:37,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:19:37" (1/1) ... [2023-08-31 16:19:37,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a02fe84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:37, skipping insertion in model container [2023-08-31 16:19:37,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:19:37" (1/1) ... [2023-08-31 16:19:37,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 16:19:37,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 16:19:38,033 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/rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[995,1008] [2023-08-31 16:19:38,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 16:19:38,277 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 16:19:38,288 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/rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[995,1008] [2023-08-31 16:19:38,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 16:19:38,391 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 16:19:38,391 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 16:19:38,397 INFO L208 MainTranslator]: Completed translation [2023-08-31 16:19:38,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:38 WrapperNode [2023-08-31 16:19:38,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 16:19:38,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 16:19:38,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 16:19:38,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 16:19:38,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:38" (1/1) ... [2023-08-31 16:19:38,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:38" (1/1) ... [2023-08-31 16:19:38,488 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 461 [2023-08-31 16:19:38,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 16:19:38,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 16:19:38,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 16:19:38,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 16:19:38,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:38" (1/1) ... [2023-08-31 16:19:38,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:38" (1/1) ... [2023-08-31 16:19:38,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:38" (1/1) ... [2023-08-31 16:19:38,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:38" (1/1) ... [2023-08-31 16:19:38,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:38" (1/1) ... [2023-08-31 16:19:38,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:38" (1/1) ... [2023-08-31 16:19:38,563 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:38" (1/1) ... [2023-08-31 16:19:38,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:38" (1/1) ... [2023-08-31 16:19:38,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 16:19:38,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 16:19:38,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 16:19:38,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 16:19:38,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:38" (1/1) ... [2023-08-31 16:19:38,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 16:19:38,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 16:19:38,610 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) [2023-08-31 16:19:38,614 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 [2023-08-31 16:19:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 16:19:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 16:19:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 16:19:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 16:19:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 16:19:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-31 16:19:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-31 16:19:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-31 16:19:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-31 16:19:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 16:19:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 16:19:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 16:19:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 16:19:38,648 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 16:19:38,793 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 16:19:38,794 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 16:19:39,771 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 16:27:57,142 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 16:27:57,142 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 16:27:57,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:27:57 BoogieIcfgContainer [2023-08-31 16:27:57,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 16:27:57,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 16:27:57,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 16:27:57,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 16:27:57,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 04:19:37" (1/3) ... [2023-08-31 16:27:57,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acf11ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 04:27:57, skipping insertion in model container [2023-08-31 16:27:57,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:19:38" (2/3) ... [2023-08-31 16:27:57,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acf11ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 04:27:57, skipping insertion in model container [2023-08-31 16:27:57,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:27:57" (3/3) ... [2023-08-31 16:27:57,151 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-08-31 16:27:57,158 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 16:27:57,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 16:27:57,164 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 211 error locations. [2023-08-31 16:27:57,165 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 16:28:27,043 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-31 16:28:27,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 307 places, 302 transitions, 614 flow [2023-08-31 16:30:22,743 INFO L130 PetriNetUnfolder]: 2/300 cut-off events. [2023-08-31 16:30:22,744 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 16:30:22,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 300 events. 2/300 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1717 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 265. Up to 2 conditions per place. [2023-08-31 16:30:22,752 INFO L82 GeneralOperation]: Start removeDead. Operand has 307 places, 302 transitions, 614 flow [2023-08-31 16:30:22,763 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 305 places, 300 transitions, 606 flow [2023-08-31 16:30:22,765 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 16:30:22,773 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 305 places, 300 transitions, 606 flow [2023-08-31 16:30:22,775 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 305 places, 300 transitions, 606 flow [2023-08-31 16:30:22,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 305 places, 300 transitions, 606 flow [2023-08-31 16:32:14,774 INFO L130 PetriNetUnfolder]: 2/300 cut-off events. [2023-08-31 16:32:14,775 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 16:32:14,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 300 events. 2/300 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1717 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 265. Up to 2 conditions per place. [2023-08-31 16:32:14,791 INFO L119 LiptonReduction]: Number of co-enabled transitions 40344 [2023-08-31 16:32:18,556 INFO L134 LiptonReduction]: Checked pairs total: 329933 [2023-08-31 16:32:18,556 INFO L136 LiptonReduction]: Total number of compositions: 107 [2023-08-31 16:32:18,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 16:32:18,572 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7b233aab, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 16:32:18,572 INFO L358 AbstractCegarLoop]: Starting to check reachability of 388 error locations. [2023-08-31 16:32:18,574 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2023-08-31 16:32:18,575 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 16:32:18,575 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 16:32:18,575 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-31 16:32:18,576 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err7ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 384 more)] === [2023-08-31 16:32:18,580 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 16:32:18,580 INFO L85 PathProgramCache]: Analyzing trace with hash 7554289, now seen corresponding path program 1 times [2023-08-31 16:32:18,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 16:32:18,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067249453] [2023-08-31 16:32:18,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 16:32:18,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms