./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25e3c208540a6e43f30bad444471941eba7b6402 ..................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25e3c208540a6e43f30bad444471941eba7b6402 ................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: null --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:12:45,387 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:45,388 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:45,398 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:45,398 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:45,399 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:45,400 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:45,401 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:45,402 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:45,404 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:45,404 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:45,405 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:45,405 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:45,406 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:45,407 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:45,408 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:45,409 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:45,410 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:45,412 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:45,413 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:45,414 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:45,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:45,418 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:45,418 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:45,418 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:45,419 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:45,420 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:45,421 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:45,421 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:45,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:45,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:45,424 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:45,424 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:45,424 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:45,425 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:45,425 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:45,426 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:12:45,437 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:45,437 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:45,438 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:45,438 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:45,438 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:45,438 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:45,438 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:12:45,439 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:45,439 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:12:45,440 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:12:45,440 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:45,440 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:45,440 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:45,441 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:12:45,441 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:45,441 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:45,441 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:45,441 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:45,441 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:45,441 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:45,442 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:45,442 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:45,442 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:45,442 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:45,442 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:45,442 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:45,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:45,443 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:45,445 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:45,445 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:45,445 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:12:45,445 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:45,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:12:45,445 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:12:45,445 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan 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(__VERIFIER_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 -> 25e3c208540a6e43f30bad444471941eba7b6402 [2018-10-27 05:12:45,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:45,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:45,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:45,485 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:45,485 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:45,486 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex_true-unreach-call.i [2018-10-27 05:12:45,529 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/data/57861609b/a4024e54f697454e8375d2e613d48268/FLAGbca1bc636 [2018-10-27 05:12:46,005 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:46,006 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/sv-benchmarks/c/pthread-complex/workstealqueue_mutex_true-unreach-call.i [2018-10-27 05:12:46,026 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/data/57861609b/a4024e54f697454e8375d2e613d48268/FLAGbca1bc636 [2018-10-27 05:12:46,038 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/data/57861609b/a4024e54f697454e8375d2e613d48268 [2018-10-27 05:12:46,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:46,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:46,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:46,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:46,047 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:46,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:46" (1/1) ... [2018-10-27 05:12:46,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e89ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:46, skipping insertion in model container [2018-10-27 05:12:46,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:46" (1/1) ... [2018-10-27 05:12:46,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:46,110 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:46,889 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:46,898 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:46,959 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:47,323 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:47,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:47 WrapperNode [2018-10-27 05:12:47,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:47,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:47,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:47,324 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:47,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:47" (1/1) ... [2018-10-27 05:12:47,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:47" (1/1) ... [2018-10-27 05:12:47,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:47,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:47,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:47,535 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:47,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:47" (1/1) ... [2018-10-27 05:12:47,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:47" (1/1) ... [2018-10-27 05:12:47,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:47" (1/1) ... [2018-10-27 05:12:47,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:47" (1/1) ... [2018-10-27 05:12:47,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:47" (1/1) ... [2018-10-27 05:12:47,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:47" (1/1) ... [2018-10-27 05:12:47,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:47" (1/1) ... [2018-10-27 05:12:47,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:47,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:47,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:47,629 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:47,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2018-10-27 05:12:47,695 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2018-10-27 05:12:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure SyncPush [2018-10-27 05:12:47,695 INFO L138 BoogieDeclarations]: Found implementation of procedure SyncPush [2018-10-27 05:12:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure Init_ObjType [2018-10-27 05:12:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure Init_ObjType [2018-10-27 05:12:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2018-10-27 05:12:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2018-10-27 05:12:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure Steal [2018-10-27 05:12:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure Steal [2018-10-27 05:12:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_compare_exchange_strong [2018-10-27 05:12:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_compare_exchange_strong [2018-10-27 05:12:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_exchange [2018-10-27 05:12:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_exchange [2018-10-27 05:12:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2018-10-27 05:12:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2018-10-27 05:12:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure SyncPop [2018-10-27 05:12:47,700 INFO L138 BoogieDeclarations]: Found implementation of procedure SyncPop [2018-10-27 05:12:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure Check [2018-10-27 05:12:47,701 INFO L138 BoogieDeclarations]: Found implementation of procedure Check [2018-10-27 05:12:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2018-10-27 05:12:47,701 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2018-10-27 05:12:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure Init_WorkStealQueue [2018-10-27 05:12:47,702 INFO L138 BoogieDeclarations]: Found implementation of procedure Init_WorkStealQueue [2018-10-27 05:12:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2018-10-27 05:12:47,702 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2018-10-27 05:12:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2018-10-27 05:12:47,702 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2018-10-27 05:12:47,703 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:12:50,936 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:51,001 WARN L317 ript$VariableManager]: TermVariabe |Thread0_Stealer_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:51,004 WARN L317 ript$VariableManager]: TermVariabe |Thread0_Stealer_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:51,005 WARN L317 ript$VariableManager]: TermVariabe |Thread0_Stealer_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:51,005 WARN L317 ript$VariableManager]: TermVariabe |Thread0_Stealer_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:51,005 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:51,012 INFO L168 Benchmark]: Toolchain (without parser) took 4970.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.7 MB in the beginning and 970.8 MB in the end (delta: -19.0 MB). Peak memory consumption was 139.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:51,015 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:51,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1280.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 796.0 MB in the end (delta: 155.7 MB). Peak memory consumption was 155.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:51,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 796.0 MB in the beginning and 1.2 GB in the end (delta: -356.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:51,018 INFO L168 Benchmark]: Boogie Preprocessor took 93.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:51,018 INFO L168 Benchmark]: RCFGBuilder took 3383.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 970.8 MB in the end (delta: 171.6 MB). Peak memory consumption was 171.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:51,021 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1280.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 796.0 MB in the end (delta: 155.7 MB). Peak memory consumption was 155.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 210.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 796.0 MB in the beginning and 1.2 GB in the end (delta: -356.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3383.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 970.8 MB in the end (delta: 171.6 MB). Peak memory consumption was 171.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:12:52,836 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:52,838 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:52,846 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:52,846 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:52,847 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:52,848 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:52,849 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:52,851 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:52,851 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:52,852 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:52,852 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:52,853 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:52,853 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:52,854 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:52,855 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:52,855 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:52,857 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:52,858 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:52,859 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:52,860 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:52,861 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:52,863 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:52,863 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:52,863 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:52,864 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:52,865 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:52,866 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:52,866 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:52,867 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:52,867 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:52,868 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:52,868 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:52,868 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:52,869 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:52,869 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:52,870 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:12:52,881 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:52,881 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:52,882 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:52,882 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:52,882 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:52,882 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:52,882 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:52,883 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:52,883 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:52,883 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:52,883 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:52,883 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:52,884 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:52,884 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:52,884 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:52,884 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:12:52,884 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:12:52,884 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:52,884 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:52,884 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:52,885 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:52,885 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:52,885 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:52,885 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:52,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:52,885 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:52,885 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:52,886 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:52,886 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:12:52,886 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:52,886 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:12:52,886 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:12:52,886 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan 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(__VERIFIER_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 -> 25e3c208540a6e43f30bad444471941eba7b6402 [2018-10-27 05:12:52,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:52,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:52,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:52,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:52,932 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:52,932 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex_true-unreach-call.i [2018-10-27 05:12:52,977 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/data/db3d5d740/c47b73449c424227be430a22b895329f/FLAG3261550f9 [2018-10-27 05:12:53,557 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:53,557 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/sv-benchmarks/c/pthread-complex/workstealqueue_mutex_true-unreach-call.i [2018-10-27 05:12:53,580 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/data/db3d5d740/c47b73449c424227be430a22b895329f/FLAG3261550f9 [2018-10-27 05:12:53,593 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/data/db3d5d740/c47b73449c424227be430a22b895329f [2018-10-27 05:12:53,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:53,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:53,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:53,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:53,607 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:53,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:53" (1/1) ... [2018-10-27 05:12:53,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@918d0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:53, skipping insertion in model container [2018-10-27 05:12:53,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:53" (1/1) ... [2018-10-27 05:12:53,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:53,679 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:54,590 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:54,613 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:54,736 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:55,076 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:55,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:55 WrapperNode [2018-10-27 05:12:55,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:55,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:55,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:55,078 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:55,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:55" (1/1) ... [2018-10-27 05:12:55,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:55" (1/1) ... [2018-10-27 05:12:55,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:55,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:55,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:55,269 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:55,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:55" (1/1) ... [2018-10-27 05:12:55,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:55" (1/1) ... [2018-10-27 05:12:55,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:55" (1/1) ... [2018-10-27 05:12:55,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:55" (1/1) ... [2018-10-27 05:12:55,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:55" (1/1) ... [2018-10-27 05:12:55,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:55" (1/1) ... [2018-10-27 05:12:55,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:55" (1/1) ... [2018-10-27 05:12:55,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:55,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:55,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:55,390 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:55,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff33c35e-cc0c-4725-a777-820a613b5d0f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2018-10-27 05:12:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2018-10-27 05:12:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure SyncPush [2018-10-27 05:12:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure SyncPush [2018-10-27 05:12:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure Init_ObjType [2018-10-27 05:12:55,456 INFO L138 BoogieDeclarations]: Found implementation of procedure Init_ObjType [2018-10-27 05:12:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:55,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2018-10-27 05:12:55,456 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2018-10-27 05:12:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure Steal [2018-10-27 05:12:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure Steal [2018-10-27 05:12:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_compare_exchange_strong [2018-10-27 05:12:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_compare_exchange_strong [2018-10-27 05:12:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_exchange [2018-10-27 05:12:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_exchange [2018-10-27 05:12:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2018-10-27 05:12:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2018-10-27 05:12:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure SyncPop [2018-10-27 05:12:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure SyncPop [2018-10-27 05:12:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure Check [2018-10-27 05:12:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure Check [2018-10-27 05:12:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2018-10-27 05:12:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2018-10-27 05:12:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure Init_WorkStealQueue [2018-10-27 05:12:55,461 INFO L138 BoogieDeclarations]: Found implementation of procedure Init_WorkStealQueue [2018-10-27 05:12:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2018-10-27 05:12:55,461 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2018-10-27 05:12:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2018-10-27 05:12:55,461 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2018-10-27 05:12:55,462 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:12:58,930 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:58,989 WARN L317 ript$VariableManager]: TermVariabe |Thread0_Stealer_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:58,990 WARN L317 ript$VariableManager]: TermVariabe |Thread0_Stealer_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:58,990 WARN L317 ript$VariableManager]: TermVariabe |Thread0_Stealer_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:58,991 WARN L317 ript$VariableManager]: TermVariabe |Thread0_Stealer_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:58,992 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:58,996 INFO L168 Benchmark]: Toolchain (without parser) took 5396.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 947.9 MB in the beginning and 978.2 MB in the end (delta: -30.4 MB). Peak memory consumption was 143.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:59,000 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:59,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1476.32 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 781.4 MB in the end (delta: 166.4 MB). Peak memory consumption was 166.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:59,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 781.4 MB in the beginning and 1.2 GB in the end (delta: -378.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:59,001 INFO L168 Benchmark]: Boogie Preprocessor took 120.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:59,002 INFO L168 Benchmark]: RCFGBuilder took 3605.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 978.2 MB in the end (delta: 173.1 MB). Peak memory consumption was 173.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:59,004 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1476.32 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 781.4 MB in the end (delta: 166.4 MB). Peak memory consumption was 166.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 190.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 781.4 MB in the beginning and 1.2 GB in the end (delta: -378.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 120.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3605.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 978.2 MB in the end (delta: 173.1 MB). Peak memory consumption was 173.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...