./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 23:02:46,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:46,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:02:46,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:46,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:46,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:46,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:46,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:46,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:46,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:46,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:46,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:46,612 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:46,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:46,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:46,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:46,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:46,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:46,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:46,617 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:46,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:46,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:46,619 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:46,619 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:46,620 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:46,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:46,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:46,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:46,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:46,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:46,623 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:46,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:46,624 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:46,624 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_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2023-11-24 23:02:46,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:46,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:46,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:46,949 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:46,949 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:46,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/queue.i [2023-11-24 23:02:50,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:50,505 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:50,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i [2023-11-24 23:02:50,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/data/91c2fa941/5e22058036094b1e88fe13039b9101c3/FLAG6f16b6d64 [2023-11-24 23:02:50,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/data/91c2fa941/5e22058036094b1e88fe13039b9101c3 [2023-11-24 23:02:50,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:50,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:50,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:50,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:50,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:50,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b019ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50, skipping insertion in model container [2023-11-24 23:02:50,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:51,333 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_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i[43284,43297] [2023-11-24 23:02:51,344 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_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i[43491,43504] [2023-11-24 23:02:51,353 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_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i[43772,43785] [2023-11-24 23:02:51,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:51,383 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:51,458 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_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i[43284,43297] [2023-11-24 23:02:51,461 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_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i[43491,43504] [2023-11-24 23:02:51,464 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_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i[43772,43785] [2023-11-24 23:02:51,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:51,537 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:51,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51 WrapperNode [2023-11-24 23:02:51,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:51,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:51,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:51,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:51,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,632 INFO L138 Inliner]: procedures = 275, calls = 71, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134 [2023-11-24 23:02:51,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:51,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:51,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:51,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:51,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:51,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:51,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:51,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:51,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:51,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:51,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:51,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 23:02:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 23:02:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 23:02:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 23:02:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-24 23:02:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-24 23:02:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-24 23:02:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-24 23:02:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 23:02:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:02:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:02:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 23:02:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:51,785 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:02:51,945 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:51,947 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:52,351 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:52,392 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:52,395 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:02:52,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:52 BoogieIcfgContainer [2023-11-24 23:02:52,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:52,400 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:52,401 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:52,412 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:52,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:52" (1/1) ... [2023-11-24 23:02:52,414 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) [2023-11-24 23:02:52,419 INFO L158 Benchmark]: Toolchain (without parser) took 1846.89ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 85.2MB in the beginning and 105.0MB in the end (delta: -19.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-24 23:02:52,420 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:52,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 965.30ms. Allocated memory is still 125.8MB. Free memory was 85.0MB in the beginning and 53.9MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-24 23:02:52,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.39ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 53.9MB in the beginning and 130.1MB in the end (delta: -76.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-24 23:02:52,422 INFO L158 Benchmark]: Boogie Preprocessor took 52.53ms. Allocated memory is still 161.5MB. Free memory was 130.1MB in the beginning and 129.1MB in the end (delta: 950.9kB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:52,423 INFO L158 Benchmark]: RCFGBuilder took 712.10ms. Allocated memory is still 161.5MB. Free memory was 129.1MB in the beginning and 106.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:52,424 INFO L158 Benchmark]: CodeCheck took 16.84ms. Allocated memory is still 161.5MB. Free memory was 106.0MB in the beginning and 105.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:52,427 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 0.25ms. Allocated memory is still 125.8MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 965.30ms. Allocated memory is still 125.8MB. Free memory was 85.0MB in the beginning and 53.9MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.39ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 53.9MB in the beginning and 130.1MB in the end (delta: -76.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.53ms. Allocated memory is still 161.5MB. Free memory was 130.1MB in the beginning and 129.1MB in the end (delta: 950.9kB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * RCFGBuilder took 712.10ms. Allocated memory is still 161.5MB. Free memory was 129.1MB in the beginning and 106.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 16.84ms. Allocated memory is still 161.5MB. Free memory was 106.0MB in the beginning and 105.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:02:52,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 23:02:55,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:55,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:02:55,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:55,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:55,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:55,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:55,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:55,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:55,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:55,259 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:55,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:55,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:55,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:55,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:55,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:55,267 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:02:55,268 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:02:55,269 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:02:55,270 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:55,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:55,271 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:55,272 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:55,272 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:55,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:55,273 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:55,274 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:55,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:55,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:55,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:55,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:55,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:55,278 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:02:55,278 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:55,278 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:55,279 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:02:55,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:55,279 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_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2023-11-24 23:02:55,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:55,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:55,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:55,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:55,748 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:55,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/queue.i [2023-11-24 23:02:59,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:59,457 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:59,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i [2023-11-24 23:02:59,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/data/69275bba1/234c9c0a8e8c460f8513df7ef0307b67/FLAG78c01e94b [2023-11-24 23:02:59,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/data/69275bba1/234c9c0a8e8c460f8513df7ef0307b67 [2023-11-24 23:02:59,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:59,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:59,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:59,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:59,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:59,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2940ab3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59, skipping insertion in model container [2023-11-24 23:02:59,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,568 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:00,359 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_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i[43284,43297] [2023-11-24 23:03:00,370 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_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i[43491,43504] [2023-11-24 23:03:00,375 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_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i[43772,43785] [2023-11-24 23:03:00,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:00,411 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:00,506 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_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i[43284,43297] [2023-11-24 23:03:00,511 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_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i[43491,43504] [2023-11-24 23:03:00,517 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_fc7b6fc9-c288-4398-b8f0-046752995a57/sv-benchmarks/c/pthread/queue.i[43772,43785] [2023-11-24 23:03:00,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:00,634 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:00,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:00 WrapperNode [2023-11-24 23:03:00,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:00,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:00,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:00,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:00,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,733 INFO L138 Inliner]: procedures = 279, calls = 71, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 133 [2023-11-24 23:03:00,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:00,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:00,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:00,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:00,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:00,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:00,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:00,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:00,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:00,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:00,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:00,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:03:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 23:03:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 23:03:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 23:03:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 23:03:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:03:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-24 23:03:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-24 23:03:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:03:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:03:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:03:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:03:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-24 23:03:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-24 23:03:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 23:03:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 23:03:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:00,921 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:03:01,165 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:01,168 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:01,577 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:01,626 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:01,634 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:03:01,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:01 BoogieIcfgContainer [2023-11-24 23:03:01,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:01,637 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:01,638 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:01,648 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:01,649 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,649 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) [2023-11-24 23:03:01,656 INFO L158 Benchmark]: Toolchain (without parser) took 2154.89ms. Allocated memory is still 94.4MB. Free memory was 69.3MB in the beginning and 57.6MB in the end (delta: 11.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-24 23:03:01,657 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:01,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1133.19ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 58.1MB in the end (delta: 11.0MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-24 23:03:01,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.80ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 55.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:01,660 INFO L158 Benchmark]: Boogie Preprocessor took 86.45ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 52.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:01,661 INFO L158 Benchmark]: RCFGBuilder took 812.74ms. Allocated memory is still 94.4MB. Free memory was 52.3MB in the beginning and 58.6MB in the end (delta: -6.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-24 23:03:01,662 INFO L158 Benchmark]: CodeCheck took 17.56ms. Allocated memory is still 94.4MB. Free memory was 58.6MB in the beginning and 57.6MB in the end (delta: 985.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:01,671 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 0.34ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1133.19ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 58.1MB in the end (delta: 11.0MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.80ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 55.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.45ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 52.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 812.74ms. Allocated memory is still 94.4MB. Free memory was 52.3MB in the beginning and 58.6MB in the end (delta: -6.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * CodeCheck took 17.56ms. Allocated memory is still 94.4MB. Free memory was 58.6MB in the beginning and 57.6MB in the end (delta: 985.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:03:01,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc7b6fc9-c288-4398-b8f0-046752995a57/bin/ukojak-verify-afCqCEvfdi/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