./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e4c58396f2f1321fc04aa282f0d0da6b992b027ee8ad0492bbdba2f990191a3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:05:12,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:05:12,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:05:12,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:05:12,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:05:12,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:05:12,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:05:12,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:05:12,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:05:12,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:05:12,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:05:12,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:05:12,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:05:12,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:05:12,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:05:12,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:05:12,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:05:12,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:05:12,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:05:12,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:05:12,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:05:12,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:05:12,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:05:12,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:05:12,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:05:12,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:05:12,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:05:12,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:05:12,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:05:12,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:05:12,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:05:12,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:05:12,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:05:12,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:05:12,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:05:12,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:05:12,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:05:12,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:05:12,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:05:12,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:05:12,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:05:12,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:05:12,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:05:12,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:05:12,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:05:12,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:05:12,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:05:12,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:05:12,830 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:05:12,831 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:05:12,831 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:05:12,831 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:05:12,832 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:05:12,832 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:05:12,832 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:05:12,833 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:05:12,833 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:05:12,833 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:05:12,833 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:05:12,833 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:05:12,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:05:12,835 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:05:12,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:05:12,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:05:12,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:05:12,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:05:12,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:05:12,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:05:12,837 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:05:12,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:05:12,838 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:05:12,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:05:12,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:05:12,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:05:12,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:05:12,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:05:12,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:05:12,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:05:12,840 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:05:12,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:05:12,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:05:12,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:05:12,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:05:12,841 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e4c58396f2f1321fc04aa282f0d0da6b992b027ee8ad0492bbdba2f990191a3 [2021-11-23 17:05:13,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:05:13,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:05:13,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:05:13,164 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:05:13,165 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:05:13,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i [2021-11-23 17:05:13,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/data/12c0ceea8/256f6fc53a9a4ee3a9a4b1c76788174f/FLAGfe77c18a1 [2021-11-23 17:05:13,932 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:05:13,932 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i [2021-11-23 17:05:13,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/data/12c0ceea8/256f6fc53a9a4ee3a9a4b1c76788174f/FLAGfe77c18a1 [2021-11-23 17:05:13,971 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/data/12c0ceea8/256f6fc53a9a4ee3a9a4b1c76788174f [2021-11-23 17:05:13,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:05:13,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:05:13,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:13,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:05:13,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:05:13,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:13" (1/1) ... [2021-11-23 17:05:13,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c02ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:13, skipping insertion in model container [2021-11-23 17:05:13,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:13" (1/1) ... [2021-11-23 17:05:13,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:05:14,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:05:14,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i[970,983] [2021-11-23 17:05:14,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:14,491 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:05:14,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i[970,983] [2021-11-23 17:05:14,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:14,683 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:05:14,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14 WrapperNode [2021-11-23 17:05:14,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:14,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:05:14,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:05:14,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:05:14,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,759 INFO L137 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 274 [2021-11-23 17:05:14,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:05:14,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:05:14,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:05:14,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:05:14,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:05:14,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:05:14,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:05:14,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:05:14,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:14" (1/1) ... [2021-11-23 17:05:14,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:05:14,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:05:14,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:05:14,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:05:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:05:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:05:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:05:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:05:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:05:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:05:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:05:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:05:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:05:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:05:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:05:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:05:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:05:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:05:14,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:05:14,944 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 17:05:15,158 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:05:15,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:05:16,079 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:05:16,273 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:05:16,278 INFO L158 Benchmark]: Toolchain (without parser) took 2301.44ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 80.2MB in the beginning and 84.5MB in the end (delta: -4.3MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2021-11-23 17:05:16,278 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:05:16,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 707.17ms. Allocated memory is still 111.1MB. Free memory was 80.0MB in the beginning and 67.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:05:16,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.89ms. Allocated memory is still 111.1MB. Free memory was 67.6MB in the beginning and 64.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:05:16,285 INFO L158 Benchmark]: Boogie Preprocessor took 81.77ms. Allocated memory is still 111.1MB. Free memory was 64.7MB in the beginning and 61.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:05:16,286 INFO L158 Benchmark]: RCFGBuilder took 1432.95ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 61.6MB in the beginning and 84.5MB in the end (delta: -22.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2021-11-23 17:05:16,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 707.17ms. Allocated memory is still 111.1MB. Free memory was 80.0MB in the beginning and 67.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.89ms. Allocated memory is still 111.1MB. Free memory was 67.6MB in the beginning and 64.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.77ms. Allocated memory is still 111.1MB. Free memory was 64.7MB in the beginning and 61.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1432.95ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 61.6MB in the beginning and 84.5MB in the end (delta: -22.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:05:16,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e4c58396f2f1321fc04aa282f0d0da6b992b027ee8ad0492bbdba2f990191a3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:05:18,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:05:18,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:05:18,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:05:18,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:05:18,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:05:18,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:05:18,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:05:18,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:05:18,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:05:18,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:05:18,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:05:18,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:05:18,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:05:18,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:05:18,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:05:18,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:05:18,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:05:18,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:05:18,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:05:18,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:05:18,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:05:18,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:05:18,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:05:18,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:05:18,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:05:18,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:05:18,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:05:18,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:05:18,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:05:18,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:05:18,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:05:18,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:05:18,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:05:18,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:05:18,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:05:18,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:05:18,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:05:18,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:05:18,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:05:18,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:05:18,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:05:18,877 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:05:18,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:05:18,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:05:18,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:05:18,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:05:18,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:05:18,880 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:05:18,880 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:05:18,880 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:05:18,881 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:05:18,881 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:05:18,881 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:05:18,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:05:18,882 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:05:18,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:05:18,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:05:18,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:05:18,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:05:18,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:05:18,886 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:05:18,887 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:05:18,887 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:05:18,887 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:05:18,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:05:18,888 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:05:18,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:05:18,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:05:18,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:05:18,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:05:18,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:05:18,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:05:18,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:05:18,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:05:18,892 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:05:18,892 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:05:18,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:05:18,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:05:18,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:05:18,895 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e4c58396f2f1321fc04aa282f0d0da6b992b027ee8ad0492bbdba2f990191a3 [2021-11-23 17:05:19,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:05:19,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:05:19,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:05:19,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:05:19,349 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:05:19,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i [2021-11-23 17:05:19,431 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/data/f6ad7d349/64084b3c9383468694fbefdebb665a06/FLAGf2610a2fd [2021-11-23 17:05:20,178 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:05:20,178 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i [2021-11-23 17:05:20,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/data/f6ad7d349/64084b3c9383468694fbefdebb665a06/FLAGf2610a2fd [2021-11-23 17:05:20,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/data/f6ad7d349/64084b3c9383468694fbefdebb665a06 [2021-11-23 17:05:20,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:05:20,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:05:20,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:20,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:05:20,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:05:20,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:20" (1/1) ... [2021-11-23 17:05:20,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e657680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:20, skipping insertion in model container [2021-11-23 17:05:20,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:20" (1/1) ... [2021-11-23 17:05:20,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:05:20,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:05:20,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i[970,983] [2021-11-23 17:05:20,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:20,843 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:05:20,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i[970,983] [2021-11-23 17:05:20,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:05:21,036 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:05:21,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:21 WrapperNode [2021-11-23 17:05:21,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:21,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:05:21,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:05:21,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:05:21,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:21" (1/1) ... [2021-11-23 17:05:21,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:21" (1/1) ... [2021-11-23 17:05:21,154 INFO L137 Inliner]: procedures = 179, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 275 [2021-11-23 17:05:21,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:05:21,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:05:21,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:05:21,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:05:21,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:21" (1/1) ... [2021-11-23 17:05:21,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:21" (1/1) ... [2021-11-23 17:05:21,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:21" (1/1) ... [2021-11-23 17:05:21,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:21" (1/1) ... [2021-11-23 17:05:21,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:21" (1/1) ... [2021-11-23 17:05:21,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:21" (1/1) ... [2021-11-23 17:05:21,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:21" (1/1) ... [2021-11-23 17:05:21,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:05:21,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:05:21,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:05:21,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:05:21,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:21" (1/1) ... [2021-11-23 17:05:21,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:05:21,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:05:21,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:05:21,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:05:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:05:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:05:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:05:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:05:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:05:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:05:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:05:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:05:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:05:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:05:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:05:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:05:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:05:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:05:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:05:21,364 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 17:05:21,600 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:05:21,602 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:05:22,486 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:05:22,646 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:05:22,662 INFO L158 Benchmark]: Toolchain (without parser) took 2439.70ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 34.9MB in the beginning and 55.4MB in the end (delta: -20.6MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-23 17:05:22,664 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 40.1MB in the beginning and 40.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:05:22,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.53ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 34.7MB in the beginning and 48.7MB in the end (delta: -14.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:05:22,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.51ms. Allocated memory is still 81.8MB. Free memory was 48.7MB in the beginning and 45.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:05:22,667 INFO L158 Benchmark]: Boogie Preprocessor took 120.74ms. Allocated memory is still 81.8MB. Free memory was 45.6MB in the beginning and 61.8MB in the end (delta: -16.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-23 17:05:22,668 INFO L158 Benchmark]: RCFGBuilder took 1383.13ms. Allocated memory is still 81.8MB. Free memory was 61.8MB in the beginning and 55.4MB in the end (delta: 6.3MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2021-11-23 17:05:22,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 40.1MB in the beginning and 40.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.53ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 34.7MB in the beginning and 48.7MB in the end (delta: -14.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.51ms. Allocated memory is still 81.8MB. Free memory was 48.7MB in the beginning and 45.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 120.74ms. Allocated memory is still 81.8MB. Free memory was 45.6MB in the beginning and 61.8MB in the end (delta: -16.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1383.13ms. Allocated memory is still 81.8MB. Free memory was 61.8MB in the beginning and 55.4MB in the end (delta: 6.3MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:05:22,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd95595-ef29-445a-b84a-8b2586b440d7/bin/utaipan-fb15Y9Yzbl/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable