./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.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/mix038_power.oepc_pso.oepc_rmo.oepc.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 cb908a7f9df60a2a419557a30ba61167baea262647e714e35178f644d31e1055 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:36:57,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:36:57,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:36:57,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:36:57,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:36:57,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:36:57,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:36:57,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:36:57,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:36:57,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:36:57,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:36:57,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:36:57,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:36:57,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:36:57,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:36:57,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:36:57,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:36:57,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:36:57,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:36:58,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:36:58,003 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:36:58,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:36:58,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:36:58,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:36:58,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:36:58,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:36:58,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:36:58,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:36:58,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:36:58,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:36:58,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:36:58,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:36:58,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:36:58,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:36:58,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:36:58,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:36:58,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:36:58,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:36:58,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:36:58,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:36:58,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:36:58,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:36:58,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:36:58,043 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:36:58,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:36:58,044 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:36:58,044 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:36:58,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:36:58,045 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:36:58,045 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:36:58,045 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:36:58,045 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:36:58,046 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:36:58,046 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:36:58,046 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:36:58,046 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:36:58,046 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:36:58,046 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:36:58,046 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:36:58,047 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:36:58,047 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:36:58,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:36:58,047 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:36:58,048 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:36:58,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:36:58,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:36:58,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:36:58,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:36:58,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:36:58,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:36:58,049 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:36:58,049 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:36:58,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:36:58,050 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:36:58,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:36:58,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:36:58,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:36:58,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:36:58,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:36:58,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:36:58,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:36:58,051 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:36:58,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:36:58,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:36:58,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:36:58,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:36:58,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb908a7f9df60a2a419557a30ba61167baea262647e714e35178f644d31e1055 [2022-04-18 19:36:58,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:36:58,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:36:58,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:36:58,208 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:36:58,208 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:36:58,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i [2022-04-18 19:36:58,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a0b2056f8/fcbc6a1ab0144778b73f4283b0a37a82/FLAG04bfa992f [2022-04-18 19:36:58,645 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:36:58,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i [2022-04-18 19:36:58,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a0b2056f8/fcbc6a1ab0144778b73f4283b0a37a82/FLAG04bfa992f [2022-04-18 19:36:59,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a0b2056f8/fcbc6a1ab0144778b73f4283b0a37a82 [2022-04-18 19:36:59,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:36:59,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:36:59,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:36:59,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:36:59,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:36:59,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:36:59" (1/1) ... [2022-04-18 19:36:59,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1811a157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:59, skipping insertion in model container [2022-04-18 19:36:59,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:36:59" (1/1) ... [2022-04-18 19:36:59,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:36:59,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:36:59,222 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/mix038_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-04-18 19:36:59,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:36:59,335 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 19:36:59,342 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/mix038_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-04-18 19:36:59,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:36:59,404 INFO L208 MainTranslator]: Completed translation [2022-04-18 19:36:59,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:59 WrapperNode [2022-04-18 19:36:59,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:36:59,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 19:36:59,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 19:36:59,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 19:36:59,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:59" (1/1) ... [2022-04-18 19:36:59,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:59" (1/1) ... [2022-04-18 19:36:59,460 INFO L137 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 490 [2022-04-18 19:36:59,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 19:36:59,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 19:36:59,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 19:36:59,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 19:36:59,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:59" (1/1) ... [2022-04-18 19:36:59,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:59" (1/1) ... [2022-04-18 19:36:59,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:59" (1/1) ... [2022-04-18 19:36:59,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:59" (1/1) ... [2022-04-18 19:36:59,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:59" (1/1) ... [2022-04-18 19:36:59,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:59" (1/1) ... [2022-04-18 19:36:59,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:59" (1/1) ... [2022-04-18 19:36:59,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 19:36:59,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 19:36:59,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 19:36:59,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 19:36:59,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:59" (1/1) ... [2022-04-18 19:36:59,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:36:59,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 19:36:59,574 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 19:36:59,589 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 19:36:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 19:36:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 19:36:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 19:36:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 19:36:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 19:36:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 19:36:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 19:36:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 19:36:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 19:36:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 19:36:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 19:36:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 19:36:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 19:36:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 19:36:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 19:36:59,604 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 19:36:59,771 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 19:36:59,772 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 19:37:00,493 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 19:37:15,481 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 19:37:15,482 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 19:37:15,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:37:15 BoogieIcfgContainer [2022-04-18 19:37:15,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 19:37:15,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 19:37:15,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 19:37:15,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 19:37:15,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:36:59" (1/3) ... [2022-04-18 19:37:15,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4373d87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:37:15, skipping insertion in model container [2022-04-18 19:37:15,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:59" (2/3) ... [2022-04-18 19:37:15,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4373d87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:37:15, skipping insertion in model container [2022-04-18 19:37:15,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:37:15" (3/3) ... [2022-04-18 19:37:15,491 INFO L111 eAbstractionObserver]: Analyzing ICFG mix038_power.oepc_pso.oepc_rmo.oepc.i [2022-04-18 19:37:15,494 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 19:37:15,494 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 19:37:15,494 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 248 error locations. [2022-04-18 19:37:15,494 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 19:37:18,886 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 19:37:18,915 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 19:37:18,920 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 19:37:18,920 INFO L341 AbstractCegarLoop]: Starting to check reachability of 462 error locations. [2022-04-18 19:37:18,931 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 19:37:18,941 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 369 transitions, 753 flow [2022-04-18 19:37:18,943 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 369 transitions, 753 flow [2022-04-18 19:37:18,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 377 places, 369 transitions, 753 flow [2022-04-18 19:37:19,096 INFO L129 PetriNetUnfolder]: 2/366 cut-off events. [2022-04-18 19:37:19,097 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 19:37:19,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 366 events. 2/366 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2143 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 325. Up to 2 conditions per place. [2022-04-18 19:37:19,131 INFO L116 LiptonReduction]: Number of co-enabled transitions 67074 [2022-04-18 19:38:38,864 WARN L232 SmtUtils]: Spent 1.22m on a formula simplification. DAG size of input: 9328 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:40:12,034 WARN L232 SmtUtils]: Spent 1.55m on a formula simplification. DAG size of input: 9624 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:41:22,166 WARN L232 SmtUtils]: Spent 1.17m on a formula simplification. DAG size of input: 9328 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:42:36,078 WARN L232 SmtUtils]: Spent 1.22m on a formula simplification. DAG size of input: 8080 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:44:11,722 WARN L232 SmtUtils]: Spent 1.59m on a formula simplification. DAG size of input: 9336 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:45:33,827 WARN L232 SmtUtils]: Spent 1.37m on a formula simplification. DAG size of input: 9547 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:46:36,294 WARN L232 SmtUtils]: Spent 1.04m on a formula simplification. DAG size of input: 9210 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:47:24,517 WARN L232 SmtUtils]: Spent 47.88s on a formula simplification. DAG size of input: 9210 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:49:01,682 WARN L232 SmtUtils]: Spent 1.62m on a formula simplification. DAG size of input: 9322 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:49:38,666 WARN L232 SmtUtils]: Spent 36.37s on a formula simplification. DAG size of input: 8222 DAG size of output: 1 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15