./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi009_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_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/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_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/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_31a1628d-e70e-460d-b9c3-61cbf711a9d9/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 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:35:53,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:35:53,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:35:53,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:35:53,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:35:53,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:35:53,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:35:53,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:35:53,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:35:53,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:35:53,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:35:53,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:35:53,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:35:53,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:35:53,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:35:53,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:35:53,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:35:53,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:35:53,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:35:53,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:35:53,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:35:53,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:35:53,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:35:53,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:35:53,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:35:53,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:35:53,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:35:53,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:35:53,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:35:53,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:35:53,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:35:53,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:35:53,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:35:53,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:35:53,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:35:53,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:35:53,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:35:53,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:35:53,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:35:53,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:35:53,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:35:53,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:35:53,621 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:35:53,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:35:53,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:35:53,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:35:53,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:35:53,623 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:35:53,623 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:35:53,624 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:35:53,624 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:35:53,624 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:35:53,624 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:35:53,625 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:35:53,625 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:35:53,625 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:35:53,626 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:35:53,626 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:35:53,626 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:35:53,627 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:35:53,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:35:53,628 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:35:53,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:35:53,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:35:53,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:35:53,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:35:53,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:35:53,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:35:53,630 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:35:53,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:35:53,630 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:35:53,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:35:53,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:35:53,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:35:53,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:35:53,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:35:53,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:35:53,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:35:53,633 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:35:53,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:35:53,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:35:53,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:35:53,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:35:53,634 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_31a1628d-e70e-460d-b9c3-61cbf711a9d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067 [2021-11-23 17:35:53,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:35:54,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:35:54,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:35:54,030 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:35:54,031 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:35:54,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i [2021-11-23 17:35:54,125 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/data/1cd59efbd/9a7709973371404a8399843522933807/FLAGe0a1319aa [2021-11-23 17:35:54,681 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:35:54,682 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i [2021-11-23 17:35:54,704 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/data/1cd59efbd/9a7709973371404a8399843522933807/FLAGe0a1319aa [2021-11-23 17:35:54,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/data/1cd59efbd/9a7709973371404a8399843522933807 [2021-11-23 17:35:54,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:35:54,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:35:54,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:35:54,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:35:54,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:35:54,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:35:54" (1/1) ... [2021-11-23 17:35:54,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb32736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:54, skipping insertion in model container [2021-11-23 17:35:54,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:35:54" (1/1) ... [2021-11-23 17:35:54,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:35:55,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:35:55,275 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_31a1628d-e70e-460d-b9c3-61cbf711a9d9/sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i[992,1005] [2021-11-23 17:35:55,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:35:55,511 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:35:55,524 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_31a1628d-e70e-460d-b9c3-61cbf711a9d9/sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i[992,1005] [2021-11-23 17:35:55,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:35:55,629 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:35:55,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:55 WrapperNode [2021-11-23 17:35:55,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:35:55,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:35:55,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:35:55,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:35:55,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:55" (1/1) ... [2021-11-23 17:35:55,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:55" (1/1) ... [2021-11-23 17:35:55,690 INFO L137 Inliner]: procedures = 176, calls = 73, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 153 [2021-11-23 17:35:55,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:35:55,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:35:55,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:35:55,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:35:55,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:55" (1/1) ... [2021-11-23 17:35:55,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:55" (1/1) ... [2021-11-23 17:35:55,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:55" (1/1) ... [2021-11-23 17:35:55,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:55" (1/1) ... [2021-11-23 17:35:55,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:55" (1/1) ... [2021-11-23 17:35:55,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:55" (1/1) ... [2021-11-23 17:35:55,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:55" (1/1) ... [2021-11-23 17:35:55,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:35:55,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:35:55,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:35:55,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:35:55,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:55" (1/1) ... [2021-11-23 17:35:55,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:35:55,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:35:55,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:35:55,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:35:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:35:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:35:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:35:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:35:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:35:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:35:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:35:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:35:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:35:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:35:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:35:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:35:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:35:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:35:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:35:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:35:55,875 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 17:35:56,097 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:35:56,099 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:35:56,929 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:35:57,095 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 17:35:57,100 INFO L158 Benchmark]: Toolchain (without parser) took 2127.03ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 58.7MB in the beginning and 70.1MB in the end (delta: -11.4MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-23 17:35:57,101 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 68.0MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:35:57,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.51ms. Allocated memory is still 96.5MB. Free memory was 58.6MB in the beginning and 56.9MB in the end (delta: 1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:35:57,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.48ms. Allocated memory is still 96.5MB. Free memory was 56.9MB in the beginning and 54.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:35:57,105 INFO L158 Benchmark]: Boogie Preprocessor took 52.17ms. Allocated memory is still 96.5MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:35:57,106 INFO L158 Benchmark]: RCFGBuilder took 1338.01ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 51.9MB in the beginning and 70.1MB in the end (delta: -18.2MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-11-23 17:35:57,117 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 68.0MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.51ms. Allocated memory is still 96.5MB. Free memory was 58.6MB in the beginning and 56.9MB in the end (delta: 1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.48ms. Allocated memory is still 96.5MB. Free memory was 56.9MB in the beginning and 54.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.17ms. Allocated memory is still 96.5MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1338.01ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 51.9MB in the beginning and 70.1MB in the end (delta: -18.2MB). Peak memory consumption was 21.6MB. 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 17:35:57,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/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_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/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_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/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_31a1628d-e70e-460d-b9c3-61cbf711a9d9/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 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:35:59,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:35:59,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:36:00,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:36:00,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:36:00,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:36:00,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:36:00,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:36:00,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:36:00,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:36:00,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:36:00,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:36:00,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:36:00,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:36:00,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:36:00,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:36:00,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:36:00,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:36:00,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:36:00,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:36:00,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:36:00,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:36:00,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:36:00,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:36:00,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:36:00,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:36:00,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:36:00,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:36:00,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:36:00,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:36:00,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:36:00,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:36:00,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:36:00,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:36:00,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:36:00,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:36:00,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:36:00,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:36:00,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:36:00,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:36:00,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:36:00,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:36:00,158 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:36:00,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:36:00,159 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:36:00,160 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:36:00,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:36:00,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:36:00,161 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:36:00,161 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:36:00,161 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:36:00,161 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:36:00,163 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:36:00,163 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:36:00,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:36:00,165 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:36:00,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:36:00,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:36:00,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:36:00,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:36:00,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:36:00,166 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:36:00,166 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:36:00,166 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:36:00,166 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:36:00,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:36:00,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:36:00,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:36:00,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:36:00,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:36:00,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:36:00,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:36:00,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:36:00,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:36:00,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:36:00,169 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:36:00,169 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:36:00,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:36:00,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:36:00,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:36:00,170 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_31a1628d-e70e-460d-b9c3-61cbf711a9d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067 [2021-11-23 17:36:00,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:36:00,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:36:00,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:36:00,629 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:36:00,636 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:36:00,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i [2021-11-23 17:36:00,712 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/data/0be4170ea/7731616ae8ee40d1badb4391ca4aec07/FLAGbe6f055ee [2021-11-23 17:36:01,426 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:36:01,428 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i [2021-11-23 17:36:01,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/data/0be4170ea/7731616ae8ee40d1badb4391ca4aec07/FLAGbe6f055ee [2021-11-23 17:36:01,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/data/0be4170ea/7731616ae8ee40d1badb4391ca4aec07 [2021-11-23 17:36:01,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:36:01,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:36:01,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:36:01,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:36:01,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:36:01,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:36:01" (1/1) ... [2021-11-23 17:36:01,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6b1bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:01, skipping insertion in model container [2021-11-23 17:36:01,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:36:01" (1/1) ... [2021-11-23 17:36:01,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:36:01,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:36:01,888 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_31a1628d-e70e-460d-b9c3-61cbf711a9d9/sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i[992,1005] [2021-11-23 17:36:02,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:36:02,196 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:36:02,210 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_31a1628d-e70e-460d-b9c3-61cbf711a9d9/sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i[992,1005] [2021-11-23 17:36:02,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:36:02,319 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:36:02,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:02 WrapperNode [2021-11-23 17:36:02,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:36:02,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:36:02,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:36:02,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:36:02,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:02" (1/1) ... [2021-11-23 17:36:02,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:02" (1/1) ... [2021-11-23 17:36:02,406 INFO L137 Inliner]: procedures = 180, calls = 73, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 154 [2021-11-23 17:36:02,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:36:02,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:36:02,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:36:02,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:36:02,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:02" (1/1) ... [2021-11-23 17:36:02,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:02" (1/1) ... [2021-11-23 17:36:02,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:02" (1/1) ... [2021-11-23 17:36:02,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:02" (1/1) ... [2021-11-23 17:36:02,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:02" (1/1) ... [2021-11-23 17:36:02,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:02" (1/1) ... [2021-11-23 17:36:02,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:02" (1/1) ... [2021-11-23 17:36:02,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:36:02,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:36:02,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:36:02,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:36:02,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:02" (1/1) ... [2021-11-23 17:36:02,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:36:02,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:36:02,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:36:02,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:36:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:36:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:36:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:36:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:36:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:36:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:36:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:36:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:36:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:36:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:36:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:36:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:36:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:36:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:36:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:36:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:36:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:36:02,616 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 17:36:02,833 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:36:02,835 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:36:03,664 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:36:03,815 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 17:36:03,819 INFO L158 Benchmark]: Toolchain (without parser) took 2174.65ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.0MB in the beginning and 47.8MB in the end (delta: -12.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-11-23 17:36:03,820 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 58.7MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:36:03,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 673.74ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 27.7MB in the end (delta: 7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:36:03,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.48ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.7MB in the beginning and 53.1MB in the end (delta: -25.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 17:36:03,823 INFO L158 Benchmark]: Boogie Preprocessor took 104.58ms. Allocated memory is still 71.3MB. Free memory was 53.1MB in the beginning and 50.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:36:03,824 INFO L158 Benchmark]: RCFGBuilder took 1304.74ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 47.8MB in the end (delta: 2.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-23 17:36:03,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 58.7MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 673.74ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 27.7MB in the end (delta: 7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.48ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.7MB in the beginning and 53.1MB in the end (delta: -25.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.58ms. Allocated memory is still 71.3MB. Free memory was 53.1MB in the beginning and 50.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1304.74ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 47.8MB in the end (delta: 2.2MB). Peak memory consumption was 24.7MB. 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 17:36:03,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31a1628d-e70e-460d-b9c3-61cbf711a9d9/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