./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe011_power.oepc_pso.oepc_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/safe011_power.oepc_pso.oepc_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 2bbc774c97831725ad05d6c2dc910981cb4ce0a2559ec0561efc45418b96b7a4 --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 17:19:30,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 17:19:30,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 17:19:30,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 17:19:30,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 17:19:30,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 17:19:30,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 17:19:30,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 17:19:30,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 17:19:30,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 17:19:30,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 17:19:30,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 17:19:30,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 17:19:30,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 17:19:30,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 17:19:30,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 17:19:30,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 17:19:30,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 17:19:30,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 17:19:30,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 17:19:30,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 17:19:30,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 17:19:30,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 17:19:30,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 17:19:30,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 17:19:30,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 17:19:30,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 17:19:30,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 17:19:30,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 17:19:30,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 17:19:30,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 17:19:30,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 17:19:30,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 17:19:30,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 17:19:30,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 17:19:30,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 17:19:30,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 17:19:30,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 17:19:30,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 17:19:30,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 17:19:30,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 17:19:30,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 17:19:30,755 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 17:19:30,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 17:19:30,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 17:19:30,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 17:19:30,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 17:19:30,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 17:19:30,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 17:19:30,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 17:19:30,757 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 17:19:30,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 17:19:30,758 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 17:19:30,758 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 17:19:30,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 17:19:30,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 17:19:30,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 17:19:30,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 17:19:30,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 17:19:30,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 17:19:30,759 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 17:19:30,759 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 17:19:30,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 17:19:30,759 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 17:19:30,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 17:19:30,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 17:19:30,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 17:19:30,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 17:19:30,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 17:19:30,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 17:19:30,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 17:19:30,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 17:19:30,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 17:19:30,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 17:19:30,761 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 17:19:30,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 17:19:30,761 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 17:19:30,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 17:19:30,761 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 17:19:30,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bbc774c97831725ad05d6c2dc910981cb4ce0a2559ec0561efc45418b96b7a4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 17:19:30,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 17:19:30,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 17:19:30,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 17:19:30,993 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 17:19:30,994 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 17:19:30,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i [2023-08-31 17:19:31,908 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 17:19:32,069 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 17:19:32,070 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i [2023-08-31 17:19:32,088 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9dfe293/2488b0eb9fd041eebf75ba4ca955eec4/FLAG7ec520901 [2023-08-31 17:19:32,097 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9dfe293/2488b0eb9fd041eebf75ba4ca955eec4 [2023-08-31 17:19:32,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 17:19:32,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 17:19:32,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 17:19:32,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 17:19:32,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 17:19:32,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:19:32" (1/1) ... [2023-08-31 17:19:32,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44616518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32, skipping insertion in model container [2023-08-31 17:19:32,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:19:32" (1/1) ... [2023-08-31 17:19:32,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 17:19:32,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 17:19:32,285 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/safe011_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i[978,991] [2023-08-31 17:19:32,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 17:19:32,482 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 17:19:32,488 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/safe011_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i[978,991] [2023-08-31 17:19:32,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 17:19:32,559 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 17:19:32,559 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 17:19:32,563 INFO L208 MainTranslator]: Completed translation [2023-08-31 17:19:32,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32 WrapperNode [2023-08-31 17:19:32,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 17:19:32,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 17:19:32,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 17:19:32,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 17:19:32,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32" (1/1) ... [2023-08-31 17:19:32,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32" (1/1) ... [2023-08-31 17:19:32,629 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 928 [2023-08-31 17:19:32,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 17:19:32,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 17:19:32,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 17:19:32,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 17:19:32,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32" (1/1) ... [2023-08-31 17:19:32,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32" (1/1) ... [2023-08-31 17:19:32,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32" (1/1) ... [2023-08-31 17:19:32,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32" (1/1) ... [2023-08-31 17:19:32,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32" (1/1) ... [2023-08-31 17:19:32,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32" (1/1) ... [2023-08-31 17:19:32,672 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32" (1/1) ... [2023-08-31 17:19:32,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32" (1/1) ... [2023-08-31 17:19:32,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 17:19:32,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 17:19:32,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 17:19:32,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 17:19:32,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32" (1/1) ... [2023-08-31 17:19:32,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 17:19:32,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 17:19:32,730 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 17:19:32,732 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 17:19:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 17:19:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 17:19:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 17:19:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 17:19:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 17:19:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-31 17:19:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-31 17:19:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-31 17:19:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-31 17:19:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-31 17:19:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-31 17:19:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 17:19:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 17:19:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 17:19:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 17:19:32,760 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 17:19:32,902 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 17:19:32,903 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 17:19:33,833 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 17:23:27,422 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 17:23:27,422 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 17:23:27,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:23:27 BoogieIcfgContainer [2023-08-31 17:23:27,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 17:23:27,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 17:23:27,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 17:23:27,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 17:23:27,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 05:19:32" (1/3) ... [2023-08-31 17:23:27,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78397ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 05:23:27, skipping insertion in model container [2023-08-31 17:23:27,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:32" (2/3) ... [2023-08-31 17:23:27,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78397ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 05:23:27, skipping insertion in model container [2023-08-31 17:23:27,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:23:27" (3/3) ... [2023-08-31 17:23:27,430 INFO L112 eAbstractionObserver]: Analyzing ICFG safe011_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i [2023-08-31 17:23:27,435 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 17:23:27,441 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 17:23:27,441 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 243 error locations. [2023-08-31 17:23:27,441 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 17:23:35,919 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-31 17:23:35,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 360 places, 352 transitions, 719 flow [2023-08-31 17:23:49,837 INFO L130 PetriNetUnfolder]: 2/349 cut-off events. [2023-08-31 17:23:49,838 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 17:23:49,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 349 events. 2/349 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 1931 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 314. Up to 2 conditions per place. [2023-08-31 17:23:49,844 INFO L82 GeneralOperation]: Start removeDead. Operand has 360 places, 352 transitions, 719 flow [2023-08-31 17:23:49,854 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 357 places, 349 transitions, 707 flow [2023-08-31 17:23:49,856 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 17:23:49,862 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 357 places, 349 transitions, 707 flow [2023-08-31 17:23:49,863 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 357 places, 349 transitions, 707 flow [2023-08-31 17:23:49,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 357 places, 349 transitions, 707 flow [2023-08-31 17:24:03,242 INFO L130 PetriNetUnfolder]: 2/349 cut-off events. [2023-08-31 17:24:03,242 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 17:24:03,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 349 events. 2/349 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 1935 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 314. Up to 2 conditions per place. [2023-08-31 17:24:03,258 INFO L119 LiptonReduction]: Number of co-enabled transitions 57312 [2023-08-31 17:31:33,053 WARN L222 SmtUtils]: Spent 7.48m on a formula simplification. DAG size of input: 19169 DAG size of output: 1162 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15