./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc_pso.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/thin002_pso.oepc_pso.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 33fa46fe030c661ecf8ddae0fe7d2b7598ab4fcf90a09fe31211d00189cd239f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 20:12:40,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 20:12:40,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 20:12:40,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 20:12:40,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 20:12:40,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 20:12:40,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 20:12:40,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 20:12:40,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 20:12:40,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 20:12:40,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 20:12:40,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 20:12:40,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 20:12:40,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 20:12:40,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 20:12:40,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 20:12:40,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 20:12:40,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 20:12:40,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 20:12:40,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 20:12:40,719 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 20:12:40,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 20:12:40,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 20:12:40,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 20:12:40,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 20:12:40,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 20:12:40,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 20:12:40,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 20:12:40,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 20:12:40,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 20:12:40,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 20:12:40,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 20:12:40,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 20:12:40,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 20:12:40,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 20:12:40,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 20:12:40,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 20:12:40,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 20:12:40,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 20:12:40,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 20:12:40,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 20:12:40,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 20:12:40,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 20:12:40,754 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 20:12:40,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 20:12:40,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 20:12:40,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 20:12:40,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 20:12:40,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 20:12:40,755 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 20:12:40,755 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 20:12:40,756 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 20:12:40,756 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 20:12:40,756 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 20:12:40,756 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 20:12:40,756 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 20:12:40,757 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 20:12:40,757 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 20:12:40,757 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 20:12:40,757 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 20:12:40,757 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 20:12:40,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 20:12:40,758 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 20:12:40,758 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 20:12:40,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 20:12:40,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 20:12:40,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 20:12:40,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 20:12:40,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 20:12:40,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 20:12:40,759 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 20:12:40,760 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 20:12:40,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 20:12:40,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 20:12:40,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 20:12:40,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 20:12:40,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 20:12:40,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:12:40,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 20:12:40,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 20:12:40,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 20:12:40,762 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 20:12:40,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 20:12:40,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 20:12:40,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 20:12:40,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 20:12:40,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33fa46fe030c661ecf8ddae0fe7d2b7598ab4fcf90a09fe31211d00189cd239f [2022-04-18 20:12:40,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 20:12:40,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 20:12:40,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 20:12:40,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 20:12:40,934 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 20:12:40,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-04-18 20:12:40,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/16d51f9ad/0cfcbd68952f4f19b2b88ab6bb31eaf9/FLAG704d49199 [2022-04-18 20:12:41,369 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 20:12:41,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-04-18 20:12:41,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/16d51f9ad/0cfcbd68952f4f19b2b88ab6bb31eaf9/FLAG704d49199 [2022-04-18 20:12:41,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/16d51f9ad/0cfcbd68952f4f19b2b88ab6bb31eaf9 [2022-04-18 20:12:41,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 20:12:41,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 20:12:41,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 20:12:41,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 20:12:41,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 20:12:41,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:12:41" (1/1) ... [2022-04-18 20:12:41,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5042a3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:41, skipping insertion in model container [2022-04-18 20:12:41,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:12:41" (1/1) ... [2022-04-18 20:12:41,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 20:12:41,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 20:12:41,577 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/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-04-18 20:12:41,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:12:41,683 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 20:12:41,696 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/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-04-18 20:12:41,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:12:41,758 INFO L208 MainTranslator]: Completed translation [2022-04-18 20:12:41,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:41 WrapperNode [2022-04-18 20:12:41,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 20:12:41,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 20:12:41,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 20:12:41,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 20:12:41,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:41" (1/1) ... [2022-04-18 20:12:41,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:41" (1/1) ... [2022-04-18 20:12:41,794 INFO L137 Inliner]: procedures = 177, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 119 [2022-04-18 20:12:41,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 20:12:41,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 20:12:41,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 20:12:41,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 20:12:41,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:41" (1/1) ... [2022-04-18 20:12:41,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:41" (1/1) ... [2022-04-18 20:12:41,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:41" (1/1) ... [2022-04-18 20:12:41,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:41" (1/1) ... [2022-04-18 20:12:41,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:41" (1/1) ... [2022-04-18 20:12:41,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:41" (1/1) ... [2022-04-18 20:12:41,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:41" (1/1) ... [2022-04-18 20:12:41,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 20:12:41,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 20:12:41,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 20:12:41,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 20:12:41,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:41" (1/1) ... [2022-04-18 20:12:41,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:12:41,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 20:12:41,866 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 20:12:41,884 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 20:12:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 20:12:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 20:12:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 20:12:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 20:12:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 20:12:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 20:12:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 20:12:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 20:12:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 20:12:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 20:12:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 20:12:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-04-18 20:12:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-04-18 20:12:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 20:12:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 20:12:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 20:12:41,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 20:12:41,897 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 20:12:42,048 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 20:12:42,049 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 20:12:42,241 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 20:12:42,346 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 20:12:42,346 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 20:12:42,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:12:42 BoogieIcfgContainer [2022-04-18 20:12:42,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 20:12:42,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 20:12:42,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 20:12:42,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 20:12:42,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:12:41" (1/3) ... [2022-04-18 20:12:42,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ef699e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:12:42, skipping insertion in model container [2022-04-18 20:12:42,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:41" (2/3) ... [2022-04-18 20:12:42,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ef699e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:12:42, skipping insertion in model container [2022-04-18 20:12:42,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:12:42" (3/3) ... [2022-04-18 20:12:42,367 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-04-18 20:12:42,370 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 20:12:42,375 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 20:12:42,376 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-04-18 20:12:42,376 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 20:12:42,436 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 20:12:42,482 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 20:12:42,486 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 20:12:42,486 INFO L341 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2022-04-18 20:12:42,494 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 20:12:42,510 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 143 transitions, 306 flow [2022-04-18 20:12:42,513 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 143 transitions, 306 flow [2022-04-18 20:12:42,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 154 places, 143 transitions, 306 flow [2022-04-18 20:12:42,562 INFO L129 PetriNetUnfolder]: 2/139 cut-off events. [2022-04-18 20:12:42,562 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 20:12:42,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 139 events. 2/139 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 157 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2022-04-18 20:12:42,570 INFO L116 LiptonReduction]: Number of co-enabled transitions 6424 [2022-04-18 20:12:47,349 INFO L131 LiptonReduction]: Checked pairs total: 15050 [2022-04-18 20:12:47,349 INFO L133 LiptonReduction]: Total number of compositions: 152 [2022-04-18 20:12:47,356 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 68 places, 55 transitions, 130 flow [2022-04-18 20:12:49,551 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 80371 states, 67407 states have (on average 5.3100419837702315) internal successors, (357934), 80370 states have internal predecessors, (357934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:12:49,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 80371 states, 67407 states have (on average 5.3100419837702315) internal successors, (357934), 80370 states have internal predecessors, (357934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:12:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-04-18 20:12:49,790 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:12:49,790 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-04-18 20:12:49,791 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err3ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-04-18 20:12:49,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:12:49,794 INFO L85 PathProgramCache]: Analyzing trace with hash 756997, now seen corresponding path program 1 times [2022-04-18 20:12:49,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:12:49,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171433039] [2022-04-18 20:12:49,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:12:49,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:12:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:12:49,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 20:12:49,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:12:49,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171433039] [2022-04-18 20:12:49,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171433039] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:12:49,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:12:49,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 20:12:49,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032675383] [2022-04-18 20:12:49,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:12:49,973 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 20:12:49,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:12:49,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 20:12:49,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:12:50,148 INFO L87 Difference]: Start difference. First operand has 80371 states, 67407 states have (on average 5.3100419837702315) internal successors, (357934), 80370 states have internal predecessors, (357934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:12:50,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:12:50,220 INFO L93 Difference]: Finished difference Result 937 states and 3323 transitions. [2022-04-18 20:12:50,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 20:12:50,222 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-04-18 20:12:50,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:12:50,226 INFO L225 Difference]: With dead ends: 937 [2022-04-18 20:12:50,226 INFO L226 Difference]: Without dead ends: 0 [2022-04-18 20:12:50,226 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:12:50,229 INFO L913 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 20:12:50,230 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 20:12:50,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-18 20:12:50,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-18 20:12:50,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:12:50,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-18 20:12:50,247 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2022-04-18 20:12:50,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:12:50,247 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-18 20:12:50,248 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:12:50,248 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-18 20:12:50,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-18 20:12:50,249 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (52 of 53 remaining) [2022-04-18 20:12:50,250 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2022-04-18 20:12:50,253 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2022-04-18 20:12:50,253 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2022-04-18 20:12:50,253 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2022-04-18 20:12:50,254 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2022-04-18 20:12:50,254 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2022-04-18 20:12:50,256 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2022-04-18 20:12:50,256 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2022-04-18 20:12:50,256 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2022-04-18 20:12:50,256 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2022-04-18 20:12:50,257 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2022-04-18 20:12:50,257 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2022-04-18 20:12:50,258 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2022-04-18 20:12:50,258 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2022-04-18 20:12:50,258 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2022-04-18 20:12:50,261 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2022-04-18 20:12:50,261 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err2ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2022-04-18 20:12:50,262 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err3ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2022-04-18 20:12:50,262 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err4ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2022-04-18 20:12:50,262 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2022-04-18 20:12:50,262 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2022-04-18 20:12:50,263 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2022-04-18 20:12:50,263 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2022-04-18 20:12:50,263 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2022-04-18 20:12:50,264 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2022-04-18 20:12:50,264 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2022-04-18 20:12:50,264 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2022-04-18 20:12:50,264 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2022-04-18 20:12:50,264 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 53 remaining) [2022-04-18 20:12:50,264 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 53 remaining) [2022-04-18 20:12:50,264 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 53 remaining) [2022-04-18 20:12:50,264 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 53 remaining) [2022-04-18 20:12:50,265 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2022-04-18 20:12:50,267 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2022-04-18 20:12:50,268 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2022-04-18 20:12:50,268 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2022-04-18 20:12:50,268 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2022-04-18 20:12:50,268 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2022-04-18 20:12:50,268 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2022-04-18 20:12:50,269 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2022-04-18 20:12:50,269 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2022-04-18 20:12:50,269 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2022-04-18 20:12:50,269 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2022-04-18 20:12:50,269 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2022-04-18 20:12:50,269 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2022-04-18 20:12:50,269 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2022-04-18 20:12:50,269 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2022-04-18 20:12:50,270 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2022-04-18 20:12:50,270 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2022-04-18 20:12:50,270 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err2ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2022-04-18 20:12:50,270 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err3ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2022-04-18 20:12:50,270 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err4ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2022-04-18 20:12:50,270 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 20:12:50,273 INFO L719 BasicCegarLoop]: Path program histogram: [1] [2022-04-18 20:12:50,277 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 20:12:50,277 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 20:12:50,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:12:50 BasicIcfg [2022-04-18 20:12:50,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 20:12:50,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 20:12:50,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 20:12:50,282 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 20:12:50,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:12:42" (3/4) ... [2022-04-18 20:12:50,285 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 20:12:50,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-04-18 20:12:50,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-04-18 20:12:50,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-04-18 20:12:50,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-04-18 20:12:50,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2022-04-18 20:12:50,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2022-04-18 20:12:50,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-04-18 20:12:50,302 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 20:12:50,349 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2022-04-18 20:12:50,349 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 20:12:50,349 INFO L158 Benchmark]: Toolchain (without parser) took 8955.88ms. Allocated memory was 119.5MB in the beginning and 553.6MB in the end (delta: 434.1MB). Free memory was 85.0MB in the beginning and 257.2MB in the end (delta: -172.3MB). Peak memory consumption was 262.8MB. Max. memory is 16.1GB. [2022-04-18 20:12:50,350 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 20:12:50,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.20ms. Allocated memory is still 119.5MB. Free memory was 85.0MB in the beginning and 84.7MB in the end (delta: 247.6kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-04-18 20:12:50,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.08ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 20:12:50,351 INFO L158 Benchmark]: Boogie Preprocessor took 44.18ms. Allocated memory is still 119.5MB. Free memory was 82.7MB in the beginning and 81.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 20:12:50,351 INFO L158 Benchmark]: RCFGBuilder took 516.65ms. Allocated memory is still 119.5MB. Free memory was 81.1MB in the beginning and 52.2MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-04-18 20:12:50,351 INFO L158 Benchmark]: TraceAbstraction took 7922.69ms. Allocated memory was 119.5MB in the beginning and 553.6MB in the end (delta: 434.1MB). Free memory was 51.7MB in the beginning and 262.5MB in the end (delta: -210.7MB). Peak memory consumption was 225.5MB. Max. memory is 16.1GB. [2022-04-18 20:12:50,352 INFO L158 Benchmark]: Witness Printer took 66.80ms. Allocated memory is still 553.6MB. Free memory was 262.5MB in the beginning and 257.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-04-18 20:12:50,354 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.20ms. Allocated memory is still 119.5MB. Free memory was 85.0MB in the beginning and 84.7MB in the end (delta: 247.6kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.08ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.18ms. Allocated memory is still 119.5MB. Free memory was 82.7MB in the beginning and 81.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 516.65ms. Allocated memory is still 119.5MB. Free memory was 81.1MB in the beginning and 52.2MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7922.69ms. Allocated memory was 119.5MB in the beginning and 553.6MB in the end (delta: 434.1MB). Free memory was 51.7MB in the beginning and 262.5MB in the end (delta: -210.7MB). Peak memory consumption was 225.5MB. Max. memory is 16.1GB. * Witness Printer took 66.80ms. Allocated memory is still 553.6MB. Free memory was 262.5MB in the beginning and 257.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.8s, 154 PlacesBefore, 68 PlacesAfterwards, 143 TransitionsBefore, 55 TransitionsAfterwards, 6424 CoEnabledTransitionPairs, 7 FixpointIterations, 26 TrivialSequentialCompositions, 119 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 152 TotalNumberOfCompositions, 15050 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9320, positive: 9164, positive conditional: 0, positive unconditional: 9164, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4679, positive: 4637, positive conditional: 0, positive unconditional: 4637, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4679, positive: 4199, positive conditional: 0, positive unconditional: 4199, negative: 480, negative conditional: 0, negative unconditional: 480, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 480, positive: 438, positive conditional: 0, positive unconditional: 438, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 302, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9320, positive: 4527, positive conditional: 0, positive unconditional: 4527, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 4679, unknown conditional: 0, unknown unconditional: 4679] , Statistics on independence cache: Total cache size (in pairs): 375, Positive cache size: 362, Positive conditional cache size: 0, Positive unconditional cache size: 362, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 762]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 762]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 770]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 770]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 777]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 777]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 811]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 815]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 815]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 815]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 815]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 815]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 817]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 194 locations, 53 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80371occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 20:12:50,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE