./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi000_tso.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_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/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_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi000_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/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_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/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 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:12:36,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:12:36,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:12:36,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:12:36,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:12:36,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:12:36,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:12:36,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:12:36,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:12:36,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:12:36,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:12:36,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:12:36,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:12:36,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:12:36,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:12:36,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:12:36,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:12:36,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:12:36,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:12:36,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:12:36,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:12:36,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:12:36,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:12:36,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:12:36,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:12:36,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:12:36,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:12:36,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:12:36,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:12:36,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:12:36,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:12:36,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:12:36,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:12:36,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:12:36,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:12:36,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:12:36,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:12:36,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:12:36,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:12:37,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:12:37,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:12:37,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:12:37,054 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:12:37,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:12:37,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:12:37,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:12:37,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:12:37,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:12:37,064 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:12:37,065 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:12:37,065 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:12:37,065 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:12:37,066 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:12:37,067 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:12:37,067 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:12:37,067 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:12:37,067 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:12:37,068 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:12:37,068 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:12:37,068 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:12:37,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:12:37,069 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:12:37,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:12:37,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:12:37,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:12:37,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:12:37,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:12:37,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:12:37,072 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:12:37,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:12:37,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:12:37,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:12:37,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:12:37,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:12:37,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:12:37,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:12:37,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:12:37,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:12:37,075 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:12:37,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:12:37,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:12:37,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:12:37,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:12:37,076 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_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd [2021-11-23 17:12:37,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:12:37,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:12:37,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:12:37,473 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:12:37,474 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:12:37,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/rfi000_tso.i [2021-11-23 17:12:37,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/data/e946ab8ea/0af9e9499ddd4aabba4dcd224f2009d8/FLAGadf0d0442 [2021-11-23 17:12:38,230 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:12:38,230 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/sv-benchmarks/c/pthread-wmm/rfi000_tso.i [2021-11-23 17:12:38,258 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/data/e946ab8ea/0af9e9499ddd4aabba4dcd224f2009d8/FLAGadf0d0442 [2021-11-23 17:12:38,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/data/e946ab8ea/0af9e9499ddd4aabba4dcd224f2009d8 [2021-11-23 17:12:38,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:12:38,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:12:38,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:12:38,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:12:38,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:12:38,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:12:38" (1/1) ... [2021-11-23 17:12:38,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508b20b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:38, skipping insertion in model container [2021-11-23 17:12:38,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:12:38" (1/1) ... [2021-11-23 17:12:38,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:12:38,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:12:38,715 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_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/sv-benchmarks/c/pthread-wmm/rfi000_tso.i[944,957] [2021-11-23 17:12:39,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:12:39,098 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:12:39,117 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_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/sv-benchmarks/c/pthread-wmm/rfi000_tso.i[944,957] [2021-11-23 17:12:39,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:12:39,264 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:12:39,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:39 WrapperNode [2021-11-23 17:12:39,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:12:39,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:12:39,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:12:39,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:12:39,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:39" (1/1) ... [2021-11-23 17:12:39,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:39" (1/1) ... [2021-11-23 17:12:39,442 INFO L137 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 464 [2021-11-23 17:12:39,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:12:39,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:12:39,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:12:39,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:12:39,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:39" (1/1) ... [2021-11-23 17:12:39,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:39" (1/1) ... [2021-11-23 17:12:39,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:39" (1/1) ... [2021-11-23 17:12:39,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:39" (1/1) ... [2021-11-23 17:12:39,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:39" (1/1) ... [2021-11-23 17:12:39,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:39" (1/1) ... [2021-11-23 17:12:39,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:39" (1/1) ... [2021-11-23 17:12:39,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:12:39,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:12:39,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:12:39,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:12:39,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:39" (1/1) ... [2021-11-23 17:12:39,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:12:39,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:12:39,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:12:39,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:12:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:12:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:12:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:12:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:12:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:12:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:12:39,645 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:12:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:12:39,646 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:12:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:12:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:12:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:12:39,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:12:39,649 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 17:12:39,874 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:12:39,876 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:12:40,808 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:12:40,973 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 17:12:40,978 INFO L158 Benchmark]: Toolchain (without parser) took 2503.92ms. Allocated memory is still 100.7MB. Free memory was 78.4MB in the beginning and 60.1MB in the end (delta: 18.3MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2021-11-23 17:12:40,980 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:12:40,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 785.29ms. Allocated memory is still 100.7MB. Free memory was 79.4MB in the beginning and 54.7MB in the end (delta: 24.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 17:12:40,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 178.31ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 75.5MB in the end (delta: -20.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:12:40,984 INFO L158 Benchmark]: Boogie Preprocessor took 93.86ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 72.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:12:40,985 INFO L158 Benchmark]: RCFGBuilder took 1436.64ms. Allocated memory is still 100.7MB. Free memory was 72.9MB in the beginning and 60.1MB in the end (delta: 12.8MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2021-11-23 17:12:40,989 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 83.9MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 785.29ms. Allocated memory is still 100.7MB. Free memory was 79.4MB in the beginning and 54.7MB in the end (delta: 24.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 178.31ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 75.5MB in the end (delta: -20.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.86ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 72.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1436.64ms. Allocated memory is still 100.7MB. Free memory was 72.9MB in the beginning and 60.1MB in the end (delta: 12.8MB). Peak memory consumption was 39.4MB. 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 17:12:41,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/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_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi000_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/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_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/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 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:12:43,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:12:43,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:12:43,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:12:43,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:12:43,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:12:43,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:12:43,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:12:43,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:12:43,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:12:43,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:12:43,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:12:43,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:12:43,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:12:43,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:12:43,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:12:43,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:12:43,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:12:43,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:12:43,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:12:43,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:12:43,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:12:43,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:12:43,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:12:43,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:12:43,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:12:43,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:12:43,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:12:43,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:12:43,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:12:43,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:12:43,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:12:43,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:12:43,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:12:43,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:12:43,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:12:43,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:12:43,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:12:43,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:12:43,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:12:43,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:12:43,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:12:43,925 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:12:43,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:12:43,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:12:43,926 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:12:43,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:12:43,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:12:43,928 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:12:43,928 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:12:43,928 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:12:43,928 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:12:43,929 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:12:43,929 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:12:43,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:12:43,930 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:12:43,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:12:43,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:12:43,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:12:43,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:12:43,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:12:43,932 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:12:43,932 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:12:43,932 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:12:43,932 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:12:43,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:12:43,933 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:12:43,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:12:43,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:12:43,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:12:43,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:12:43,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:12:43,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:12:43,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:12:43,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:12:43,935 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:12:43,936 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:12:43,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:12:43,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:12:43,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:12:43,937 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_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd [2021-11-23 17:12:44,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:12:44,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:12:44,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:12:44,391 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:12:44,392 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:12:44,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/rfi000_tso.i [2021-11-23 17:12:44,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/data/2ca90ef47/4d4cf10f28c8498881097eefc7df9517/FLAG618171930 [2021-11-23 17:12:45,126 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:12:45,126 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/sv-benchmarks/c/pthread-wmm/rfi000_tso.i [2021-11-23 17:12:45,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/data/2ca90ef47/4d4cf10f28c8498881097eefc7df9517/FLAG618171930 [2021-11-23 17:12:45,416 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/data/2ca90ef47/4d4cf10f28c8498881097eefc7df9517 [2021-11-23 17:12:45,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:12:45,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:12:45,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:12:45,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:12:45,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:12:45,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:12:45" (1/1) ... [2021-11-23 17:12:45,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f31e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:45, skipping insertion in model container [2021-11-23 17:12:45,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:12:45" (1/1) ... [2021-11-23 17:12:45,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:12:45,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:12:45,670 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_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/sv-benchmarks/c/pthread-wmm/rfi000_tso.i[944,957] [2021-11-23 17:12:46,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:12:46,084 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:12:46,098 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_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/sv-benchmarks/c/pthread-wmm/rfi000_tso.i[944,957] [2021-11-23 17:12:46,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:12:46,206 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:12:46,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:46 WrapperNode [2021-11-23 17:12:46,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:12:46,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:12:46,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:12:46,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:12:46,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:46" (1/1) ... [2021-11-23 17:12:46,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:46" (1/1) ... [2021-11-23 17:12:46,351 INFO L137 Inliner]: procedures = 178, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 465 [2021-11-23 17:12:46,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:12:46,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:12:46,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:12:46,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:12:46,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:46" (1/1) ... [2021-11-23 17:12:46,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:46" (1/1) ... [2021-11-23 17:12:46,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:46" (1/1) ... [2021-11-23 17:12:46,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:46" (1/1) ... [2021-11-23 17:12:46,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:46" (1/1) ... [2021-11-23 17:12:46,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:46" (1/1) ... [2021-11-23 17:12:46,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:46" (1/1) ... [2021-11-23 17:12:46,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:12:46,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:12:46,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:12:46,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:12:46,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:46" (1/1) ... [2021-11-23 17:12:46,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:12:46,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:12:46,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:12:46,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:12:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:12:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:12:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:12:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:12:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:12:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:12:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:12:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:12:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:12:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:12:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:12:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:12:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:12:46,545 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 17:12:46,791 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:12:46,793 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:12:47,688 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:12:47,872 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 17:12:47,877 INFO L158 Benchmark]: Toolchain (without parser) took 2454.42ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 42.6MB in the beginning and 47.1MB in the end (delta: -4.5MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2021-11-23 17:12:47,878 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:12:47,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.33ms. Allocated memory is still 62.9MB. Free memory was 42.4MB in the beginning and 30.9MB in the end (delta: 11.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:12:47,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.75ms. Allocated memory is still 62.9MB. Free memory was 30.9MB in the beginning and 43.5MB in the end (delta: -12.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-11-23 17:12:47,881 INFO L158 Benchmark]: Boogie Preprocessor took 64.25ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 40.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:12:47,882 INFO L158 Benchmark]: RCFGBuilder took 1452.47ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 40.5MB in the beginning and 47.1MB in the end (delta: -6.6MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-11-23 17:12:47,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.33ms. Allocated memory is still 62.9MB. Free memory was 42.4MB in the beginning and 30.9MB in the end (delta: 11.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.75ms. Allocated memory is still 62.9MB. Free memory was 30.9MB in the beginning and 43.5MB in the end (delta: -12.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.25ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 40.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1452.47ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 40.5MB in the beginning and 47.1MB in the end (delta: -6.6MB). Peak memory consumption was 26.6MB. 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 17:12:47,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ac4e5c-d3a8-409b-861b-7c0f447fa1c0/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