./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix041_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/mix041_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 bcf8be2e0ebdad705b2868a16d6f5dfa937315d70be824d82e2d5945253ac067 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:39:36,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:39:36,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:39:36,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:39:36,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:39:36,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:39:36,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:39:36,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:39:36,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:39:36,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:39:36,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:39:36,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:39:36,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:39:36,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:39:36,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:39:36,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:39:36,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:39:36,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:39:36,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:39:36,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:39:36,068 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:39:36,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:39:36,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:39:36,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:39:36,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:39:36,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:39:36,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:39:36,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:39:36,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:39:36,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:39:36,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:39:36,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:39:36,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:39:36,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:39:36,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:39:36,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:39:36,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:39:36,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:39:36,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:39:36,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:39:36,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:39:36,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:39:36,086 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:39:36,110 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:39:36,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:39:36,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:39:36,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:39:36,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:39:36,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:39:36,113 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:39:36,113 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:39:36,113 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:39:36,113 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:39:36,114 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:39:36,114 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:39:36,114 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:39:36,114 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:39:36,114 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:39:36,114 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:39:36,115 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:39:36,115 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:39:36,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:39:36,116 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:39:36,116 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:39:36,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:39:36,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:39:36,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:39:36,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:39:36,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:39:36,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:39:36,117 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:39:36,117 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:39:36,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:39:36,117 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:39:36,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:39:36,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:39:36,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:39:36,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:39:36,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:39:36,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:39:36,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:39:36,118 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:39:36,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:39:36,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:39:36,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:39:36,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:39:36,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcf8be2e0ebdad705b2868a16d6f5dfa937315d70be824d82e2d5945253ac067 [2022-04-18 19:39:36,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:39:36,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:39:36,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:39:36,344 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:39:36,345 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:39:36,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix041_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-04-18 19:39:36,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/10f7a45a4/3387fb2d80f442ff8aefd5fa8c1d8ba6/FLAG896240a3c [2022-04-18 19:39:36,799 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:39:36,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix041_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-04-18 19:39:36,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/10f7a45a4/3387fb2d80f442ff8aefd5fa8c1d8ba6/FLAG896240a3c [2022-04-18 19:39:37,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/10f7a45a4/3387fb2d80f442ff8aefd5fa8c1d8ba6 [2022-04-18 19:39:37,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:39:37,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:39:37,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:39:37,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:39:37,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:39:37,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:39:37" (1/1) ... [2022-04-18 19:39:37,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414da83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:39:37, skipping insertion in model container [2022-04-18 19:39:37,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:39:37" (1/1) ... [2022-04-18 19:39:37,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:39:37,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:39:37,398 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/mix041_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-04-18 19:39:37,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:39:37,552 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 19:39:37,560 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/mix041_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-04-18 19:39:37,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:39:37,636 INFO L208 MainTranslator]: Completed translation [2022-04-18 19:39:37,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:39:37 WrapperNode [2022-04-18 19:39:37,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:39:37,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 19:39:37,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 19:39:37,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 19:39:37,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:39:37" (1/1) ... [2022-04-18 19:39:37,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:39:37" (1/1) ... [2022-04-18 19:39:37,708 INFO L137 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 933 [2022-04-18 19:39:37,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 19:39:37,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 19:39:37,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 19:39:37,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 19:39:37,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:39:37" (1/1) ... [2022-04-18 19:39:37,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:39:37" (1/1) ... [2022-04-18 19:39:37,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:39:37" (1/1) ... [2022-04-18 19:39:37,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:39:37" (1/1) ... [2022-04-18 19:39:37,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:39:37" (1/1) ... [2022-04-18 19:39:37,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:39:37" (1/1) ... [2022-04-18 19:39:37,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:39:37" (1/1) ... [2022-04-18 19:39:37,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 19:39:37,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 19:39:37,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 19:39:37,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 19:39:37,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:39:37" (1/1) ... [2022-04-18 19:39:37,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:39:37,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 19:39:37,815 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 19:39:37,827 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 19:39:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 19:39:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 19:39:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 19:39:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 19:39:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 19:39:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 19:39:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 19:39:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 19:39:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 19:39:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 19:39:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 19:39:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 19:39:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 19:39:37,865 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 19:39:38,021 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 19:39:38,022 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 19:39:38,884 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 19:40:09,134 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 19:40:09,134 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 19:40:09,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:40:09 BoogieIcfgContainer [2022-04-18 19:40:09,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 19:40:09,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 19:40:09,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 19:40:09,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 19:40:09,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:39:37" (1/3) ... [2022-04-18 19:40:09,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a8a351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:40:09, skipping insertion in model container [2022-04-18 19:40:09,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:39:37" (2/3) ... [2022-04-18 19:40:09,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a8a351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:40:09, skipping insertion in model container [2022-04-18 19:40:09,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:40:09" (3/3) ... [2022-04-18 19:40:09,143 INFO L111 eAbstractionObserver]: Analyzing ICFG mix041_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-04-18 19:40:09,146 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 19:40:09,146 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 19:40:09,146 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 212 error locations. [2022-04-18 19:40:09,146 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 19:40:11,175 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 19:40:11,203 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 19:40:11,208 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 19:40:11,209 INFO L341 AbstractCegarLoop]: Starting to check reachability of 296 error locations. [2022-04-18 19:40:11,220 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 19:40:11,227 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 312 transitions, 634 flow [2022-04-18 19:40:11,229 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 312 transitions, 634 flow [2022-04-18 19:40:11,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 317 places, 312 transitions, 634 flow [2022-04-18 19:40:11,617 INFO L129 PetriNetUnfolder]: 2/310 cut-off events. [2022-04-18 19:40:11,617 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 19:40:11,622 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 1840 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 19:40:11,635 INFO L116 LiptonReduction]: Number of co-enabled transitions 37292 [2022-04-18 19:40:19,593 WARN L232 SmtUtils]: Spent 7.70s 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 19:40:31,877 WARN L232 SmtUtils]: Spent 12.21s 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 19:41:04,398 WARN L232 SmtUtils]: Spent 32.45s 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 19:42:02,800 WARN L232 SmtUtils]: Spent 33.59s 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 19:42:56,747 WARN L232 SmtUtils]: Spent 53.93s 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 19:43:07,745 WARN L232 SmtUtils]: Spent 6.47s 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 19:43:22,185 WARN L232 SmtUtils]: Spent 8.60s 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 19:43:37,162 WARN L232 SmtUtils]: Spent 14.50s 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 19:43:45,323 WARN L232 SmtUtils]: Spent 8.11s 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 19:44:07,974 WARN L232 SmtUtils]: Spent 7.85s 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 19:44:29,126 WARN L232 SmtUtils]: Spent 21.14s 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 19:44:41,834 WARN L232 SmtUtils]: Spent 11.83s 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 19:44:50,364 WARN L232 SmtUtils]: Spent 8.43s 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 19:45:03,437 WARN L232 SmtUtils]: Spent 12.98s 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 19:45:20,189 WARN L232 SmtUtils]: Spent 8.29s 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 19:45:30,294 WARN L232 SmtUtils]: Spent 7.41s 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 19:45:42,347 WARN L232 SmtUtils]: Spent 7.72s 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 19:45:53,423 WARN L232 SmtUtils]: Spent 11.01s 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 19:46:01,619 WARN L232 SmtUtils]: Spent 6.35s 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 19:46:08,589 WARN L232 SmtUtils]: Spent 6.92s 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 19:46:20,425 WARN L232 SmtUtils]: Spent 7.68s 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 19:46:29,335 WARN L232 SmtUtils]: Spent 5.65s 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 19:47:25,532 WARN L232 SmtUtils]: Spent 38.36s 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 19:48:27,745 WARN L232 SmtUtils]: Spent 1.04m 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 19:48:45,405 WARN L232 SmtUtils]: Spent 7.54s 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 19:48:50,997 WARN L232 SmtUtils]: Spent 5.50s 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 19:49:00,762 WARN L232 SmtUtils]: Spent 7.48s 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 19:51:33,234 WARN L232 SmtUtils]: Spent 1.34m 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