./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --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 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:18,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:19,013 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:50:19,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:50:19,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:50:19,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:19,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:19,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:19,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:19,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:19,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:19,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:19,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:50:19,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:50:19,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:50:19,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:19,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:19,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:19,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:19,062 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:50:19,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:19,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:19,065 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:19,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:19,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:19,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:19,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:19,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:19,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:19,070 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:50:19,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:50:19,071 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:19,071 INFO L153 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_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2023-11-11 23:50:19,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:19,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:19,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:19,414 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:19,415 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:19,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/queue.i [2023-11-11 23:50:23,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:23,480 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:23,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i [2023-11-11 23:50:23,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/data/b7da4b497/ae29f1246759416c99ca8c024a4e8d68/FLAGd83f0519e [2023-11-11 23:50:23,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/data/b7da4b497/ae29f1246759416c99ca8c024a4e8d68 [2023-11-11 23:50:23,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:23,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:23,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:23,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:23,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:23,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eef82a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:23, skipping insertion in model container [2023-11-11 23:50:23,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:24,148 WARN L240 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_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i[43284,43297] [2023-11-11 23:50:24,162 WARN L240 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_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i[43491,43504] [2023-11-11 23:50:24,172 WARN L240 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_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i[43772,43785] [2023-11-11 23:50:24,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:24,195 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:24,259 WARN L240 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_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i[43284,43297] [2023-11-11 23:50:24,262 WARN L240 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_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i[43491,43504] [2023-11-11 23:50:24,279 WARN L240 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_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i[43772,43785] [2023-11-11 23:50:24,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:24,408 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:24,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:24 WrapperNode [2023-11-11 23:50:24,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:24,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:24,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:24,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:24,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:24" (1/1) ... [2023-11-11 23:50:24,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:24" (1/1) ... [2023-11-11 23:50:24,516 INFO L138 Inliner]: procedures = 274, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2023-11-11 23:50:24,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:24,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:24,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:24,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:24,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:24" (1/1) ... [2023-11-11 23:50:24,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:24" (1/1) ... [2023-11-11 23:50:24,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:24" (1/1) ... [2023-11-11 23:50:24,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:24" (1/1) ... [2023-11-11 23:50:24,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:24" (1/1) ... [2023-11-11 23:50:24,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:24" (1/1) ... [2023-11-11 23:50:24,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:24" (1/1) ... [2023-11-11 23:50:24,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:24" (1/1) ... [2023-11-11 23:50:24,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:24,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:24,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:24,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:24,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:24" (1/1) ... [2023-11-11 23:50:24,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:24,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:24,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:24,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:50:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:50:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:50:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:50:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:50:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-11 23:50:24,722 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-11 23:50:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:50:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-11 23:50:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-11 23:50:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:50:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:50:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:50:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:50:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:50:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:24,729 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:50:24,928 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:24,930 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:25,399 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:25,414 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:25,414 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:50:25,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:25 BoogieIcfgContainer [2023-11-11 23:50:25,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:50:25,419 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:50:25,419 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:50:25,432 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:50:25,432 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:25" (1/1) ... [2023-11-11 23:50:25,433 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-11 23:50:25,438 INFO L158 Benchmark]: Toolchain (without parser) took 1905.46ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 82.8MB in the beginning and 102.9MB in the end (delta: -20.1MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-11-11 23:50:25,439 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 121.6MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:25,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 876.07ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 82.8MB in the beginning and 130.2MB in the end (delta: -47.4MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-11-11 23:50:25,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.47ms. Allocated memory is still 165.7MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:25,442 INFO L158 Benchmark]: Boogie Preprocessor took 90.61ms. Allocated memory is still 165.7MB. Free memory was 128.1MB in the beginning and 125.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:25,443 INFO L158 Benchmark]: RCFGBuilder took 807.29ms. Allocated memory is still 165.7MB. Free memory was 125.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:50:25,443 INFO L158 Benchmark]: CodeCheck took 17.37ms. Allocated memory is still 165.7MB. Free memory was 103.9MB in the beginning and 102.9MB in the end (delta: 979.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:25,447 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 121.6MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 876.07ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 82.8MB in the beginning and 130.2MB in the end (delta: -47.4MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.47ms. Allocated memory is still 165.7MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.61ms. Allocated memory is still 165.7MB. Free memory was 128.1MB in the beginning and 125.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 807.29ms. Allocated memory is still 165.7MB. Free memory was 125.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 17.37ms. Allocated memory is still 165.7MB. Free memory was 103.9MB in the beginning and 102.9MB in the end (delta: 979.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:50:25,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --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 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:28,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:28,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-11 23:50:28,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:28,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:28,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:28,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:28,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:28,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:28,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:28,797 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:50:28,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:50:28,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:28,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:28,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:28,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:28,802 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:50:28,802 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:50:28,803 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:50:28,804 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:50:28,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:28,805 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:28,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:28,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:28,807 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:50:28,807 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:50:28,808 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:50:28,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:28,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:28,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:28,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:28,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:28,811 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:50:28,812 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:50:28,812 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:28,812 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:50:28,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:50:28,813 INFO L153 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_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2023-11-11 23:50:29,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:29,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:29,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:29,378 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:29,379 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:29,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/queue.i [2023-11-11 23:50:32,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:33,124 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:33,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i [2023-11-11 23:50:33,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/data/510db738d/16188981afd34ad59424bcf2a85bad2a/FLAG9ff964893 [2023-11-11 23:50:33,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/data/510db738d/16188981afd34ad59424bcf2a85bad2a [2023-11-11 23:50:33,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:33,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:33,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:33,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:33,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:33,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:33" (1/1) ... [2023-11-11 23:50:33,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6851db5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:33, skipping insertion in model container [2023-11-11 23:50:33,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:33" (1/1) ... [2023-11-11 23:50:33,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:34,199 WARN L240 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_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i[43284,43297] [2023-11-11 23:50:34,210 WARN L240 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_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i[43491,43504] [2023-11-11 23:50:34,221 WARN L240 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_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i[43772,43785] [2023-11-11 23:50:34,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:34,258 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:34,344 WARN L240 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_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i[43284,43297] [2023-11-11 23:50:34,346 WARN L240 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_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i[43491,43504] [2023-11-11 23:50:34,349 WARN L240 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_25ce7a8e-7d30-4384-8228-3a0de305758a/sv-benchmarks/c/pthread/queue.i[43772,43785] [2023-11-11 23:50:34,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:34,482 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:34,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:34 WrapperNode [2023-11-11 23:50:34,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:34,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:34,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:34,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:34,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:34" (1/1) ... [2023-11-11 23:50:34,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:34" (1/1) ... [2023-11-11 23:50:34,601 INFO L138 Inliner]: procedures = 278, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 130 [2023-11-11 23:50:34,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:34,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:34,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:34,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:34,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:34" (1/1) ... [2023-11-11 23:50:34,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:34" (1/1) ... [2023-11-11 23:50:34,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:34" (1/1) ... [2023-11-11 23:50:34,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:34" (1/1) ... [2023-11-11 23:50:34,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:34" (1/1) ... [2023-11-11 23:50:34,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:34" (1/1) ... [2023-11-11 23:50:34,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:34" (1/1) ... [2023-11-11 23:50:34,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:34" (1/1) ... [2023-11-11 23:50:34,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:34,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:34,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:34,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:34,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:34" (1/1) ... [2023-11-11 23:50:34,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:34,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:34,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:34,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:50:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:50:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:50:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:50:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:50:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:50:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-11 23:50:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-11 23:50:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:50:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:50:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:50:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:50:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-11 23:50:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-11 23:50:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:50:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:50:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:34,806 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:50:34,990 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:34,993 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:35,597 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:35,616 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:35,617 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:50:35,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:35 BoogieIcfgContainer [2023-11-11 23:50:35,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:50:35,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:50:35,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:50:35,634 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:50:35,635 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:35" (1/1) ... [2023-11-11 23:50:35,636 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-11 23:50:35,644 INFO L158 Benchmark]: Toolchain (without parser) took 2432.71ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 43.7MB in the beginning and 62.7MB in the end (delta: -19.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-11 23:50:35,646 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 45.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:35,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1267.58ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 43.4MB in the beginning and 51.1MB in the end (delta: -7.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-11 23:50:35,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.44ms. Allocated memory is still 92.3MB. Free memory was 51.1MB in the beginning and 48.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:50:35,650 INFO L158 Benchmark]: Boogie Preprocessor took 88.77ms. Allocated memory is still 92.3MB. Free memory was 48.0MB in the beginning and 45.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:35,651 INFO L158 Benchmark]: RCFGBuilder took 928.74ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 63.8MB in the end (delta: -17.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-11-11 23:50:35,653 INFO L158 Benchmark]: CodeCheck took 20.42ms. Allocated memory is still 92.3MB. Free memory was 63.8MB in the beginning and 62.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:35,665 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 45.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1267.58ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 43.4MB in the beginning and 51.1MB in the end (delta: -7.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.44ms. Allocated memory is still 92.3MB. Free memory was 51.1MB in the beginning and 48.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.77ms. Allocated memory is still 92.3MB. Free memory was 48.0MB in the beginning and 45.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 928.74ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 63.8MB in the end (delta: -17.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * CodeCheck took 20.42ms. Allocated memory is still 92.3MB. Free memory was 63.8MB in the beginning and 62.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:50:35,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ce7a8e-7d30-4384-8228-3a0de305758a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported