./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix044_tso.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_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/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_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/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_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/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 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:16:30,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:16:30,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:16:30,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:16:30,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:16:30,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:16:30,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:16:30,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:16:30,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:16:30,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:16:30,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:16:30,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:16:30,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:16:30,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:16:30,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:16:30,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:16:30,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:16:30,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:16:30,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:16:30,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:16:31,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:16:31,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:16:31,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:16:31,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:16:31,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:16:31,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:16:31,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:16:31,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:16:31,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:16:31,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:16:31,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:16:31,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:16:31,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:16:31,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:16:31,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:16:31,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:16:31,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:16:31,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:16:31,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:16:31,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:16:31,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:16:31,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:16:31,090 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:16:31,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:16:31,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:16:31,092 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:16:31,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:16:31,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:16:31,102 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:16:31,102 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:16:31,102 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:16:31,102 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:16:31,104 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:16:31,104 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:16:31,104 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:16:31,105 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:16:31,105 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:16:31,105 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:16:31,106 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:16:31,106 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:16:31,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:16:31,107 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:16:31,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:16:31,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:16:31,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:16:31,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:16:31,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:16:31,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:16:31,111 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:16:31,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:16:31,111 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:16:31,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:16:31,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:16:31,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:16:31,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:31,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:16:31,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:16:31,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:16:31,114 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:16:31,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:16:31,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:16:31,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:16:31,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:16:31,115 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_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 [2021-11-23 17:16:31,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:16:31,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:16:31,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:16:31,536 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:16:31,537 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:16:31,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i [2021-11-23 17:16:31,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/data/7d53379ad/81c6bcaad56249b89711da3d78211d5b/FLAG64c8137c1 [2021-11-23 17:16:32,292 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:16:32,293 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i [2021-11-23 17:16:32,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/data/7d53379ad/81c6bcaad56249b89711da3d78211d5b/FLAG64c8137c1 [2021-11-23 17:16:32,510 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/data/7d53379ad/81c6bcaad56249b89711da3d78211d5b [2021-11-23 17:16:32,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:16:32,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:16:32,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:32,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:16:32,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:16:32,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:32" (1/1) ... [2021-11-23 17:16:32,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46acdbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:32, skipping insertion in model container [2021-11-23 17:16:32,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:32" (1/1) ... [2021-11-23 17:16:32,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:16:32,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:16:32,874 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_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i[949,962] [2021-11-23 17:16:33,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:16:33,159 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:16:33,174 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_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i[949,962] [2021-11-23 17:16:33,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:16:33,318 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:16:33,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:33 WrapperNode [2021-11-23 17:16:33,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:33,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:16:33,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:16:33,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:16:33,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:33" (1/1) ... [2021-11-23 17:16:33,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:33" (1/1) ... [2021-11-23 17:16:33,444 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 292 [2021-11-23 17:16:33,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:16:33,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:16:33,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:16:33,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:16:33,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:33" (1/1) ... [2021-11-23 17:16:33,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:33" (1/1) ... [2021-11-23 17:16:33,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:33" (1/1) ... [2021-11-23 17:16:33,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:33" (1/1) ... [2021-11-23 17:16:33,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:33" (1/1) ... [2021-11-23 17:16:33,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:33" (1/1) ... [2021-11-23 17:16:33,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:33" (1/1) ... [2021-11-23 17:16:33,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:16:33,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:16:33,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:16:33,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:16:33,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:33" (1/1) ... [2021-11-23 17:16:33,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:33,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:16:33,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:16:33,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:16:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:16:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:16:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:16:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:16:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:16:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:16:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:16:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:16:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:16:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:16:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:16:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:16:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:16:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:16:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:16:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:16:33,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:16:33,676 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 17:16:33,883 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:16:33,897 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:16:34,733 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:16:34,946 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 17:16:34,951 INFO L158 Benchmark]: Toolchain (without parser) took 2434.48ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 80.1MB in the beginning and 120.3MB in the end (delta: -40.2MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2021-11-23 17:16:34,959 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory was 99.1MB in the beginning and 99.0MB in the end (delta: 75.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:16:34,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 801.40ms. Allocated memory is still 125.8MB. Free memory was 79.9MB in the beginning and 83.9MB in the end (delta: -4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:16:34,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.98ms. Allocated memory is still 125.8MB. Free memory was 83.9MB in the beginning and 80.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:16:34,963 INFO L158 Benchmark]: Boogie Preprocessor took 100.53ms. Allocated memory is still 125.8MB. Free memory was 80.8MB in the beginning and 78.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:16:34,964 INFO L158 Benchmark]: RCFGBuilder took 1397.88ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 78.4MB in the beginning and 120.3MB in the end (delta: -41.9MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2021-11-23 17:16:34,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory was 99.1MB in the beginning and 99.0MB in the end (delta: 75.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 801.40ms. Allocated memory is still 125.8MB. Free memory was 79.9MB in the beginning and 83.9MB in the end (delta: -4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.98ms. Allocated memory is still 125.8MB. Free memory was 83.9MB in the beginning and 80.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.53ms. Allocated memory is still 125.8MB. Free memory was 80.8MB in the beginning and 78.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1397.88ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 78.4MB in the beginning and 120.3MB in the end (delta: -41.9MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:16:35,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/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_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/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_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/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_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/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 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:16:37,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:16:37,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:16:37,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:16:37,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:16:37,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:16:37,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:16:37,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:16:37,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:16:37,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:16:37,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:16:37,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:16:37,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:16:37,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:16:37,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:16:37,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:16:37,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:16:37,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:16:37,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:16:37,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:16:37,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:16:37,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:16:37,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:16:37,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:16:37,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:16:37,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:16:37,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:16:37,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:16:37,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:16:37,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:16:37,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:16:37,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:16:37,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:16:37,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:16:37,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:16:37,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:16:37,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:16:37,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:16:37,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:16:37,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:16:37,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:16:37,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:16:38,030 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:16:38,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:16:38,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:16:38,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:16:38,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:16:38,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:16:38,034 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:16:38,034 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:16:38,035 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:16:38,035 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:16:38,036 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:16:38,037 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:16:38,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:16:38,039 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:16:38,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:16:38,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:16:38,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:16:38,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:16:38,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:16:38,041 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:16:38,041 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:16:38,041 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:16:38,041 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:16:38,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:16:38,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:16:38,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:16:38,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:16:38,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:16:38,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:16:38,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:38,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:16:38,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:16:38,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:16:38,045 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:16:38,046 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:16:38,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:16:38,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:16:38,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:16:38,047 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_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 [2021-11-23 17:16:38,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:16:38,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:16:38,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:16:38,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:16:38,618 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:16:38,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i [2021-11-23 17:16:38,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/data/d560a38d0/b9fe8d7f7fef4e66a4b859c7a3d26e81/FLAG34b4967ce [2021-11-23 17:16:39,333 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:16:39,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i [2021-11-23 17:16:39,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/data/d560a38d0/b9fe8d7f7fef4e66a4b859c7a3d26e81/FLAG34b4967ce [2021-11-23 17:16:39,640 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/data/d560a38d0/b9fe8d7f7fef4e66a4b859c7a3d26e81 [2021-11-23 17:16:39,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:16:39,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:16:39,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:39,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:16:39,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:16:39,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:39" (1/1) ... [2021-11-23 17:16:39,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12735264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:39, skipping insertion in model container [2021-11-23 17:16:39,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:39" (1/1) ... [2021-11-23 17:16:39,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:16:39,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:16:40,038 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_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i[949,962] [2021-11-23 17:16:40,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:16:40,429 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:16:40,447 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_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i[949,962] [2021-11-23 17:16:40,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:16:40,605 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:16:40,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:40 WrapperNode [2021-11-23 17:16:40,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:40,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:16:40,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:16:40,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:16:40,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:40" (1/1) ... [2021-11-23 17:16:40,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:40" (1/1) ... [2021-11-23 17:16:40,681 INFO L137 Inliner]: procedures = 180, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 293 [2021-11-23 17:16:40,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:16:40,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:16:40,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:16:40,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:16:40,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:40" (1/1) ... [2021-11-23 17:16:40,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:40" (1/1) ... [2021-11-23 17:16:40,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:40" (1/1) ... [2021-11-23 17:16:40,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:40" (1/1) ... [2021-11-23 17:16:40,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:40" (1/1) ... [2021-11-23 17:16:40,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:40" (1/1) ... [2021-11-23 17:16:40,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:40" (1/1) ... [2021-11-23 17:16:40,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:16:40,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:16:40,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:16:40,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:16:40,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:40" (1/1) ... [2021-11-23 17:16:40,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:40,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:16:40,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:16:40,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:16:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:16:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:16:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:16:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:16:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:16:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:16:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:16:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:16:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:16:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:16:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:16:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:16:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:16:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:16:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:16:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:16:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:16:40,869 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 17:16:41,052 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:16:41,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:16:41,880 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:16:42,008 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 17:16:42,014 INFO L158 Benchmark]: Toolchain (without parser) took 2367.52ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 24.7MB in the beginning and 36.3MB in the end (delta: -11.6MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-11-23 17:16:42,015 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 50.3MB. Free memory is still 30.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:16:42,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 956.21ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 24.6MB in the beginning and 36.0MB in the end (delta: -11.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-23 17:16:42,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.29ms. Allocated memory is still 60.8MB. Free memory was 36.0MB in the beginning and 33.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:16:42,017 INFO L158 Benchmark]: Boogie Preprocessor took 53.79ms. Allocated memory is still 60.8MB. Free memory was 33.1MB in the beginning and 30.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:16:42,018 INFO L158 Benchmark]: RCFGBuilder took 1276.15ms. Allocated memory is still 60.8MB. Free memory was 30.3MB in the beginning and 36.6MB in the end (delta: -6.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-11-23 17:16:42,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 50.3MB. Free memory is still 30.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 956.21ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 24.6MB in the beginning and 36.0MB in the end (delta: -11.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.29ms. Allocated memory is still 60.8MB. Free memory was 36.0MB in the beginning and 33.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.79ms. Allocated memory is still 60.8MB. Free memory was 33.1MB in the beginning and 30.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1276.15ms. Allocated memory is still 60.8MB. Free memory was 30.3MB in the beginning and 36.6MB in the end (delta: -6.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:16:42,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363b1129-3876-48eb-9e6d-e1fbaf83cbd1/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable