./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:46:07,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:46:07,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:46:07,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:46:07,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:46:07,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:46:07,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:46:07,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:46:07,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:46:07,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:46:07,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:46:07,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:46:07,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:46:07,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:46:07,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:46:07,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:46:07,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:46:07,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:46:07,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:46:07,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:46:07,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:46:07,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:46:07,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:46:07,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:46:07,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:46:07,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:46:07,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:46:07,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:46:07,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:46:07,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:46:07,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:46:07,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:46:07,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:46:07,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:46:07,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:46:07,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:46:07,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:46:07,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:46:07,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:46:07,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:46:07,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:46:07,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:46:07,890 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:46:07,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:46:07,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:46:07,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:46:07,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:46:07,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:46:07,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:46:07,894 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:46:07,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:46:07,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:46:07,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:46:07,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:46:07,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:46:07,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:46:07,895 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:46:07,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:46:07,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:46:07,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:46:07,896 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:46:07,897 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:46:07,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:46:07,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:46:07,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:46:07,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:46:07,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:46:07,898 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:46:07,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:46:07,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:46:07,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 [2021-11-13 23:46:08,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:46:08,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:46:08,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:46:08,359 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:46:08,360 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:46:08,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2021-11-13 23:46:08,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/data/7931032db/080a88333f264579bf440b4d04979eac/FLAGe76978ded [2021-11-13 23:46:09,451 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:46:09,454 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2021-11-13 23:46:09,500 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/data/7931032db/080a88333f264579bf440b4d04979eac/FLAGe76978ded [2021-11-13 23:46:09,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/data/7931032db/080a88333f264579bf440b4d04979eac [2021-11-13 23:46:09,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:46:09,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:46:09,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:46:09,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:46:09,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:46:09,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:46:09" (1/1) ... [2021-11-13 23:46:09,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209e7028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:09, skipping insertion in model container [2021-11-13 23:46:09,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:46:09" (1/1) ... [2021-11-13 23:46:09,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:46:09,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:46:10,777 WARN L228 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2021-11-13 23:46:10,821 WARN L228 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2021-11-13 23:46:10,827 WARN L228 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2021-11-13 23:46:10,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:46:10,870 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:46:10,956 WARN L228 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2021-11-13 23:46:11,004 WARN L228 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2021-11-13 23:46:11,020 WARN L228 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2021-11-13 23:46:11,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:46:11,257 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:46:11,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:11 WrapperNode [2021-11-13 23:46:11,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:46:11,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:46:11,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:46:11,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:46:11,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:11" (1/1) ... [2021-11-13 23:46:11,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:11" (1/1) ... [2021-11-13 23:46:11,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:46:11,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:46:11,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:46:11,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:46:11,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:11" (1/1) ... [2021-11-13 23:46:11,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:11" (1/1) ... [2021-11-13 23:46:11,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:11" (1/1) ... [2021-11-13 23:46:11,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:11" (1/1) ... [2021-11-13 23:46:11,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:11" (1/1) ... [2021-11-13 23:46:11,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:11" (1/1) ... [2021-11-13 23:46:11,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:11" (1/1) ... [2021-11-13 23:46:11,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:46:11,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:46:11,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:46:11,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:46:11,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:11" (1/1) ... [2021-11-13 23:46:11,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:46:11,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:46:11,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:46:11,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:46:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-13 23:46:11,685 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-13 23:46:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 23:46:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:46:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 23:46:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:46:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 23:46:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:46:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-13 23:46:11,689 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-13 23:46:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:46:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:46:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-13 23:46:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-13 23:46:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:46:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:46:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-13 23:46:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-13 23:46:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:46:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-13 23:46:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-13 23:46:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:46:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-13 23:46:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-13 23:46:11,694 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 23:46:13,208 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:46:13,209 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-13 23:46:13,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:13 BoogieIcfgContainer [2021-11-13 23:46:13,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:46:13,215 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:46:13,216 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:46:13,230 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:46:13,230 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:13" (1/1) ... [2021-11-13 23:46:13,232 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2021-11-13 23:46:13,237 INFO L158 Benchmark]: Toolchain (without parser) took 3698.82ms. Allocated memory was 109.1MB in the beginning and 138.4MB in the end (delta: 29.4MB). Free memory was 74.9MB in the beginning and 94.5MB in the end (delta: -19.6MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2021-11-13 23:46:13,238 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 73.4MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:46:13,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1718.46ms. Allocated memory is still 109.1MB. Free memory was 74.6MB in the beginning and 78.2MB in the end (delta: -3.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-13 23:46:13,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.24ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 73.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 23:46:13,240 INFO L158 Benchmark]: Boogie Preprocessor took 124.41ms. Allocated memory is still 109.1MB. Free memory was 73.1MB in the beginning and 68.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 23:46:13,241 INFO L158 Benchmark]: RCFGBuilder took 1655.30ms. Allocated memory was 109.1MB in the beginning and 138.4MB in the end (delta: 29.4MB). Free memory was 68.9MB in the beginning and 95.4MB in the end (delta: -26.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-13 23:46:13,242 INFO L158 Benchmark]: CodeCheck took 19.91ms. Allocated memory is still 138.4MB. Free memory was 95.4MB in the beginning and 94.5MB in the end (delta: 926.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:46:13,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 73.4MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1718.46ms. Allocated memory is still 109.1MB. Free memory was 74.6MB in the beginning and 78.2MB in the end (delta: -3.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 173.24ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 73.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.41ms. Allocated memory is still 109.1MB. Free memory was 73.1MB in the beginning and 68.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1655.30ms. Allocated memory was 109.1MB in the beginning and 138.4MB in the end (delta: 29.4MB). Free memory was 68.9MB in the beginning and 95.4MB in the end (delta: -26.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 19.91ms. Allocated memory is still 138.4MB. Free memory was 95.4MB in the beginning and 94.5MB in the end (delta: 926.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:46:13,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:46:16,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:46:16,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:46:16,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:46:16,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:46:16,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:46:16,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:46:16,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:46:16,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:46:16,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:46:16,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:46:16,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:46:16,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:46:16,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:46:16,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:46:16,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:46:16,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:46:16,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:46:16,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:46:16,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:46:16,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:46:16,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:46:16,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:46:16,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:46:16,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:46:16,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:46:16,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:46:16,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:46:16,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:46:16,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:46:16,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:46:16,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:46:16,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:46:16,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:46:16,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:46:16,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:46:16,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:46:16,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:46:16,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:46:16,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:46:16,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:46:16,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-13 23:46:16,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:46:16,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:46:16,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:46:16,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:46:16,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:46:16,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:46:16,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:46:16,624 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:46:16,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:46:16,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:46:16,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:46:16,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:46:16,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:46:16,626 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 23:46:16,627 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 23:46:16,627 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 23:46:16,627 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:46:16,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:46:16,628 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:46:16,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:46:16,629 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:46:16,629 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:46:16,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:46:16,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:46:16,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:46:16,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:46:16,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:46:16,631 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 23:46:16,631 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 23:46:16,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:46:16,632 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 23:46:16,632 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 23:46:16,633 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 [2021-11-13 23:46:17,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:46:17,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:46:17,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:46:17,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:46:17,137 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:46:17,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2021-11-13 23:46:17,226 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/data/bb650534c/2b0584e4abdf4aadabdcf33d3a8a5d43/FLAG250aae756 [2021-11-13 23:46:18,176 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:46:18,177 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2021-11-13 23:46:18,228 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/data/bb650534c/2b0584e4abdf4aadabdcf33d3a8a5d43/FLAG250aae756 [2021-11-13 23:46:18,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/data/bb650534c/2b0584e4abdf4aadabdcf33d3a8a5d43 [2021-11-13 23:46:18,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:46:18,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:46:18,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:46:18,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:46:18,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:46:18,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:46:18" (1/1) ... [2021-11-13 23:46:18,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ec4c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:18, skipping insertion in model container [2021-11-13 23:46:18,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:46:18" (1/1) ... [2021-11-13 23:46:18,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:46:18,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:46:19,990 WARN L228 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2021-11-13 23:46:20,033 WARN L228 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2021-11-13 23:46:20,039 WARN L228 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2021-11-13 23:46:20,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:46:20,090 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:46:20,211 WARN L228 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2021-11-13 23:46:20,249 WARN L228 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2021-11-13 23:46:20,254 WARN L228 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_6b8c784b-cac0-4dbf-9a77-29d926c4eece/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2021-11-13 23:46:20,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:46:20,586 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:46:20,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:20 WrapperNode [2021-11-13 23:46:20,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:46:20,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:46:20,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:46:20,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:46:20,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:20" (1/1) ... [2021-11-13 23:46:20,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:20" (1/1) ... [2021-11-13 23:46:20,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:46:20,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:46:20,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:46:20,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:46:20,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:20" (1/1) ... [2021-11-13 23:46:20,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:20" (1/1) ... [2021-11-13 23:46:20,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:20" (1/1) ... [2021-11-13 23:46:20,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:20" (1/1) ... [2021-11-13 23:46:20,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:20" (1/1) ... [2021-11-13 23:46:20,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:20" (1/1) ... [2021-11-13 23:46:20,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:20" (1/1) ... [2021-11-13 23:46:20,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:46:20,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:46:20,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:46:20,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:46:20,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:20" (1/1) ... [2021-11-13 23:46:20,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:46:20,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:46:21,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:46:21,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:46:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-13 23:46:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-13 23:46:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 23:46:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:46:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 23:46:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 23:46:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 23:46:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 23:46:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:46:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-13 23:46:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-13 23:46:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:46:21,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:46:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 23:46:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-13 23:46:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-13 23:46:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:46:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:46:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 23:46:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-13 23:46:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-13 23:46:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-13 23:46:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-13 23:46:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-13 23:46:21,064 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-13 23:46:21,066 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 23:46:22,591 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:46:22,591 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-13 23:46:22,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:22 BoogieIcfgContainer [2021-11-13 23:46:22,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:46:22,597 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:46:22,597 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:46:22,610 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:46:22,610 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:22" (1/1) ... [2021-11-13 23:46:22,611 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2021-11-13 23:46:22,620 INFO L158 Benchmark]: Toolchain (without parser) took 3868.96ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 41.6MB in the beginning and 57.9MB in the end (delta: -16.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-13 23:46:22,621 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:46:22,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1838.21ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 41.4MB in the beginning and 62.2MB in the end (delta: -20.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2021-11-13 23:46:22,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 186.28ms. Allocated memory is still 90.2MB. Free memory was 61.8MB in the beginning and 57.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 23:46:22,625 INFO L158 Benchmark]: Boogie Preprocessor took 171.28ms. Allocated memory is still 90.2MB. Free memory was 57.2MB in the beginning and 51.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 23:46:22,628 INFO L158 Benchmark]: RCFGBuilder took 1645.90ms. Allocated memory is still 90.2MB. Free memory was 51.8MB in the beginning and 59.3MB in the end (delta: -7.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2021-11-13 23:46:22,635 INFO L158 Benchmark]: CodeCheck took 19.39ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 57.9MB in the end (delta: 913.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:46:22,641 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1838.21ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 41.4MB in the beginning and 62.2MB in the end (delta: -20.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 186.28ms. Allocated memory is still 90.2MB. Free memory was 61.8MB in the beginning and 57.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.28ms. Allocated memory is still 90.2MB. Free memory was 57.2MB in the beginning and 51.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1645.90ms. Allocated memory is still 90.2MB. Free memory was 51.8MB in the beginning and 59.3MB in the end (delta: -7.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * CodeCheck took 19.39ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 57.9MB in the end (delta: 913.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:46:22,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8c784b-cac0-4dbf-9a77-29d926c4eece/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported