./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.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/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.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 4c09a669e55905e4420a018d9d131490861f4e5b62b0d12706f3ee95b5f0c90f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:52:31,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:52:31,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:52:31,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:52:31,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:52:31,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:52:31,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:52:31,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:52:31,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:52:31,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:52:31,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:52:31,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:52:31,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:52:31,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:52:31,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:52:31,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:52:31,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:52:31,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:52:31,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:52:31,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:52:31,778 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:52:31,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:52:31,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:52:31,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:52:31,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:52:31,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:52:31,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:52:31,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:52:31,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:52:31,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:52:31,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:52:31,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:52:31,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:52:31,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:52:31,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:52:31,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:52:31,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:52:31,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:52:31,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:52:31,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:52:31,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:52:31,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:52:31,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:52:31,817 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:52:31,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:52:31,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:52:31,819 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:52:31,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:52:31,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:52:31,820 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:52:31,820 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:52:31,820 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:52:31,821 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:52:31,821 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:52:31,821 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:52:31,821 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:52:31,821 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:52:31,821 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:52:31,822 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:52:31,822 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:52:31,822 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:52:31,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:52:31,823 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:52:31,823 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:52:31,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:52:31,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:52:31,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:52:31,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:52:31,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:52:31,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:52:31,824 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:52:31,825 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:52:31,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:52:31,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:52:31,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:52:31,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:52:31,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:52:31,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:52:31,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:52:31,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:52:31,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:52:31,826 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:52:31,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:52:31,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:52:31,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:52:31,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:52:31,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c09a669e55905e4420a018d9d131490861f4e5b62b0d12706f3ee95b5f0c90f [2022-04-18 19:52:32,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:52:32,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:52:32,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:52:32,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:52:32,024 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:52:32,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-04-18 19:52:32,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/af567d76c/285640d014bf432097cc5b9cf36eb95c/FLAGacbd440fb [2022-04-18 19:52:32,485 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:52:32,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-04-18 19:52:32,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/af567d76c/285640d014bf432097cc5b9cf36eb95c/FLAGacbd440fb [2022-04-18 19:52:32,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/af567d76c/285640d014bf432097cc5b9cf36eb95c [2022-04-18 19:52:32,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:52:32,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:52:32,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:52:32,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:52:32,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:52:32,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:52:32" (1/1) ... [2022-04-18 19:52:32,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3dbb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:52:32, skipping insertion in model container [2022-04-18 19:52:32,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:52:32" (1/1) ... [2022-04-18 19:52:32,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:52:32,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:52:32,724 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/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-04-18 19:52:32,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:52:32,913 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 19:52:32,922 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/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-04-18 19:52:32,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:52:33,012 INFO L208 MainTranslator]: Completed translation [2022-04-18 19:52:33,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:52:33 WrapperNode [2022-04-18 19:52:33,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:52:33,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 19:52:33,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 19:52:33,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 19:52:33,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:52:33" (1/1) ... [2022-04-18 19:52:33,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:52:33" (1/1) ... [2022-04-18 19:52:33,091 INFO L137 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 933 [2022-04-18 19:52:33,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 19:52:33,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 19:52:33,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 19:52:33,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 19:52:33,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:52:33" (1/1) ... [2022-04-18 19:52:33,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:52:33" (1/1) ... [2022-04-18 19:52:33,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:52:33" (1/1) ... [2022-04-18 19:52:33,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:52:33" (1/1) ... [2022-04-18 19:52:33,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:52:33" (1/1) ... [2022-04-18 19:52:33,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:52:33" (1/1) ... [2022-04-18 19:52:33,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:52:33" (1/1) ... [2022-04-18 19:52:33,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 19:52:33,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 19:52:33,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 19:52:33,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 19:52:33,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:52:33" (1/1) ... [2022-04-18 19:52:33,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:52:33,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 19:52:33,184 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 19:52:33,191 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 19:52:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 19:52:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 19:52:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 19:52:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 19:52:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 19:52:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 19:52:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 19:52:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 19:52:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 19:52:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 19:52:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 19:52:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 19:52:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 19:52:33,215 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 19:52:33,390 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 19:52:33,391 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 19:52:34,092 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 19:53:03,125 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 19:53:03,126 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 19:53:03,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:53:03 BoogieIcfgContainer [2022-04-18 19:53:03,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 19:53:03,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 19:53:03,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 19:53:03,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 19:53:03,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:52:32" (1/3) ... [2022-04-18 19:53:03,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3eb1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:53:03, skipping insertion in model container [2022-04-18 19:53:03,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:52:33" (2/3) ... [2022-04-18 19:53:03,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3eb1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:53:03, skipping insertion in model container [2022-04-18 19:53:03,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:53:03" (3/3) ... [2022-04-18 19:53:03,134 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-04-18 19:53:03,137 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 19:53:03,137 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 19:53:03,138 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 212 error locations. [2022-04-18 19:53:03,138 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 19:53:05,256 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 19:53:05,294 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 19:53:05,301 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 19:53:05,301 INFO L341 AbstractCegarLoop]: Starting to check reachability of 296 error locations. [2022-04-18 19:53:05,318 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 19:53:05,326 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 312 transitions, 634 flow [2022-04-18 19:53:05,330 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 312 transitions, 634 flow [2022-04-18 19:53:05,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 317 places, 312 transitions, 634 flow [2022-04-18 19:53:05,500 INFO L129 PetriNetUnfolder]: 2/310 cut-off events. [2022-04-18 19:53:05,500 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 19:53:05,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 310 events. 2/310 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 1861 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 271. Up to 2 conditions per place. [2022-04-18 19:53:05,522 INFO L116 LiptonReduction]: Number of co-enabled transitions 37292 [2022-04-18 19:53:11,920 WARN L232 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 2457 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:53:20,559 WARN L232 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 2583 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:53:50,722 WARN L232 SmtUtils]: Spent 30.10s on a formula simplification. DAG size of input: 5480 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:54:45,912 WARN L232 SmtUtils]: Spent 33.07s on a formula simplification. DAG size of input: 6318 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:55:39,207 WARN L232 SmtUtils]: Spent 53.28s on a formula simplification. DAG size of input: 7770 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:55:47,546 WARN L232 SmtUtils]: Spent 7.43s on a formula simplification. DAG size of input: 2258 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:56:00,959 WARN L232 SmtUtils]: Spent 6.77s on a formula simplification. DAG size of input: 2270 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:56:18,810 WARN L232 SmtUtils]: Spent 12.24s on a formula simplification. DAG size of input: 3368 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:56:27,844 WARN L232 SmtUtils]: Spent 8.98s on a formula simplification. DAG size of input: 2583 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:56:48,314 WARN L232 SmtUtils]: Spent 16.42s on a formula simplification. DAG size of input: 3368 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:57:04,313 WARN L232 SmtUtils]: Spent 8.28s on a formula simplification. DAG size of input: 3739 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:57:24,863 WARN L232 SmtUtils]: Spent 20.54s on a formula simplification. DAG size of input: 4476 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:57:36,147 WARN L232 SmtUtils]: Spent 11.22s on a formula simplification. DAG size of input: 3368 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:57:50,578 WARN L232 SmtUtils]: Spent 14.27s on a formula simplification. DAG size of input: 3521 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:58:09,007 WARN L232 SmtUtils]: Spent 8.51s on a formula simplification. DAG size of input: 2614 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:58:28,058 WARN L232 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 2254 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:58:42,267 WARN L232 SmtUtils]: Spent 14.15s on a formula simplification. DAG size of input: 3374 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:58:50,802 WARN L232 SmtUtils]: Spent 7.11s on a formula simplification. DAG size of input: 2589 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:59:02,705 WARN L232 SmtUtils]: Spent 7.19s on a formula simplification. DAG size of input: 2429 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:59:10,298 WARN L232 SmtUtils]: Spent 7.54s on a formula simplification. DAG size of input: 2427 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:59:18,470 WARN L232 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 2264 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 20:00:12,336 WARN L232 SmtUtils]: Spent 36.62s on a formula simplification. DAG size of input: 6312 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 20:00:49,338 WARN L232 SmtUtils]: Spent 36.99s on a formula simplification. DAG size of input: 7766 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 20:01:01,168 WARN L232 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 2433 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 20:01:17,030 WARN L232 SmtUtils]: Spent 12.11s on a formula simplification. DAG size of input: 3368 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 20:01:24,242 WARN L232 SmtUtils]: Spent 7.07s on a formula simplification. DAG size of input: 2446 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 20:01:30,794 WARN L232 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 2264 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 20:01:44,768 WARN L232 SmtUtils]: Spent 8.18s on a formula simplification. DAG size of input: 2548 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 20:02:04,731 WARN L232 SmtUtils]: Spent 10.47s on a formula simplification. DAG size of input: 2781 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 20:02:16,683 WARN L232 SmtUtils]: Spent 11.95s on a formula simplification. DAG size of input: 3342 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 20:02:36,486 WARN L232 SmtUtils]: Spent 7.75s on a formula simplification. DAG size of input: 2623 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 20:06:06,472 WARN L232 SmtUtils]: Spent 2.44m on a formula simplification. DAG size of input: 11987 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15