./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b81d744fec4d4b48b220b63eb6337c45e4be951600681981b2881c9432ed2ae --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:53:00,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:53:00,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:53:00,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:53:00,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:53:00,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:53:00,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:53:00,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:53:00,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:53:00,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:53:00,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:53:00,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:53:00,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:53:00,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:53:00,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:53:00,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:53:00,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:53:00,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:53:00,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:53:00,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:53:00,846 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:53:00,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:53:00,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:53:00,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:53:00,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:53:00,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:53:00,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:53:00,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:53:00,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:53:00,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:53:00,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:53:00,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:53:00,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:53:00,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:53:00,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:53:00,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:53:00,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:53:00,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:53:00,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:53:00,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:53:00,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:53:00,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:53:00,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:53:00,890 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:53:00,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:53:00,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:53:00,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:53:00,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:53:00,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:53:00,892 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:53:00,892 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:53:00,892 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:53:00,893 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:53:00,893 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:53:00,893 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:53:00,893 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:53:00,893 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:53:00,893 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:53:00,894 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:53:00,894 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:53:00,895 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:53:00,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:53:00,896 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:53:00,896 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:53:00,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:53:00,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:53:00,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:53:00,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:53:00,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:53:00,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:53:00,897 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:53:00,897 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:53:00,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:53:00,897 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:53:00,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:53:00,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:53:00,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:53:00,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:53:00,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:53:00,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:53:00,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:53:00,899 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:53:00,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:53:00,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:53:00,899 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:53:00,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:53:00,899 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/UTaipan-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b81d744fec4d4b48b220b63eb6337c45e4be951600681981b2881c9432ed2ae [2022-04-18 19:53:01,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:53:01,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:53:01,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:53:01,076 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:53:01,077 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:53:01,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-04-18 19:53:01,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2e1033e0a/091a6823102c4b72aa6144bbe2ed693e/FLAG39fe13936 [2022-04-18 19:53:01,514 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:53:01,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-04-18 19:53:01,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2e1033e0a/091a6823102c4b72aa6144bbe2ed693e/FLAG39fe13936 [2022-04-18 19:53:01,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2e1033e0a/091a6823102c4b72aa6144bbe2ed693e [2022-04-18 19:53:01,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:53:01,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:53:01,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:53:01,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:53:01,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:53:01,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:53:01" (1/1) ... [2022-04-18 19:53:01,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686bb6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:53:01, skipping insertion in model container [2022-04-18 19:53:01,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:53:01" (1/1) ... [2022-04-18 19:53:01,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:53:01,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:53:01,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051] [2022-04-18 19:53:01,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:53:01,861 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 19:53:01,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051] [2022-04-18 19:53:01,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:53:01,938 INFO L208 MainTranslator]: Completed translation [2022-04-18 19:53:01,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:53:01 WrapperNode [2022-04-18 19:53:01,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:53:01,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 19:53:01,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 19:53:01,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 19:53:01,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:53:01" (1/1) ... [2022-04-18 19:53:01,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:53:01" (1/1) ... [2022-04-18 19:53:02,000 INFO L137 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 486 [2022-04-18 19:53:02,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 19:53:02,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 19:53:02,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 19:53:02,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 19:53:02,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:53:01" (1/1) ... [2022-04-18 19:53:02,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:53:01" (1/1) ... [2022-04-18 19:53:02,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:53:01" (1/1) ... [2022-04-18 19:53:02,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:53:01" (1/1) ... [2022-04-18 19:53:02,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:53:01" (1/1) ... [2022-04-18 19:53:02,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:53:01" (1/1) ... [2022-04-18 19:53:02,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:53:01" (1/1) ... [2022-04-18 19:53:02,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 19:53:02,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 19:53:02,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 19:53:02,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 19:53:02,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:53:01" (1/1) ... [2022-04-18 19:53:02,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:53:02,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 19:53:02,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 19:53:02,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 19:53:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 19:53:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 19:53:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 19:53:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 19:53:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 19:53:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 19:53:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 19:53:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 19:53:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 19:53:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 19:53:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 19:53:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 19:53:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 19:53:02,130 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 19:53:02,262 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 19:53:02,263 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 19:53:02,994 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 19:53:43,192 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 19:53:43,192 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 19:53:43,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:53:43 BoogieIcfgContainer [2022-04-18 19:53:43,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 19:53:43,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 19:53:43,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 19:53:43,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 19:53:43,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:53:01" (1/3) ... [2022-04-18 19:53:43,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6b6c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:53:43, skipping insertion in model container [2022-04-18 19:53:43,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:53:01" (2/3) ... [2022-04-18 19:53:43,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6b6c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:53:43, skipping insertion in model container [2022-04-18 19:53:43,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:53:43" (3/3) ... [2022-04-18 19:53:43,219 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi003_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-04-18 19:53:43,222 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 19:53:43,222 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 19:53:43,223 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 186 error locations. [2022-04-18 19:53:43,223 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 19:53:49,638 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 19:53:49,665 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 19:53:49,669 INFO L340 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=FINITE_AUTOMATA, 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 [2022-04-18 19:53:49,669 INFO L341 AbstractCegarLoop]: Starting to check reachability of 337 error locations. [2022-04-18 19:53:49,680 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 19:53:49,688 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 290 places, 285 transitions, 580 flow [2022-04-18 19:53:49,690 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 290 places, 285 transitions, 580 flow [2022-04-18 19:53:49,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 290 places, 285 transitions, 580 flow [2022-04-18 19:53:50,088 INFO L129 PetriNetUnfolder]: 2/283 cut-off events. [2022-04-18 19:53:50,089 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 19:53:50,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 283 events. 2/283 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 1628 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 244. Up to 2 conditions per place. [2022-04-18 19:53:50,107 INFO L116 LiptonReduction]: Number of co-enabled transitions 37148