./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-30e01a7 [2023-11-23 20:20:40,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:40,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:20:40,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:40,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:40,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:40,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:40,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:40,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:40,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:40,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:40,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:40,478 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:20:40,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:40,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:20:40,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:40,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:40,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:40,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:40,484 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:40,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:40,485 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:20:40,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:40,486 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:40,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:40,487 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:40,488 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:40,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:40,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:40,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:40,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:40,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:40,491 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:40,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:40,492 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:40,492 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_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2023-11-23 20:20:40,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:40,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:40,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:40,875 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:40,875 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:40,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/queue.i [2023-11-23 20:20:43,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:44,417 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:44,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/sv-benchmarks/c/pthread/queue.i [2023-11-23 20:20:44,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/data/8a26291f5/fb1f7d7bb23048c780c5596ff006fef7/FLAGa4f11abdc [2023-11-23 20:20:44,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/data/8a26291f5/fb1f7d7bb23048c780c5596ff006fef7 [2023-11-23 20:20:44,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:44,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:44,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:44,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:44,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:44,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:44" (1/1) ... [2023-11-23 20:20:44,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e7e5eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:44, skipping insertion in model container [2023-11-23 20:20:44,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:44" (1/1) ... [2023-11-23 20:20:44,564 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:45,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:45,181 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:45,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:45,322 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:45,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:45 WrapperNode [2023-11-23 20:20:45,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:45,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:45,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:45,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:45,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:45" (1/1) ... [2023-11-23 20:20:45,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:45" (1/1) ... [2023-11-23 20:20:45,412 INFO L138 Inliner]: procedures = 275, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 140 [2023-11-23 20:20:45,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:45,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:45,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:45,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:45,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:45" (1/1) ... [2023-11-23 20:20:45,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:45" (1/1) ... [2023-11-23 20:20:45,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:45" (1/1) ... [2023-11-23 20:20:45,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:45" (1/1) ... [2023-11-23 20:20:45,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:45" (1/1) ... [2023-11-23 20:20:45,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:45" (1/1) ... [2023-11-23 20:20:45,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:45" (1/1) ... [2023-11-23 20:20:45,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:45" (1/1) ... [2023-11-23 20:20:45,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:45,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:45,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:45,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:45,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:45" (1/1) ... [2023-11-23 20:20:45,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:45,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:45,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:45,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:20:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:20:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:20:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:20:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:20:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:20:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:20:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-23 20:20:45,612 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-23 20:20:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:20:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-23 20:20:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-23 20:20:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:20:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:20:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:20:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:20:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:45,620 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:20:45,911 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:45,915 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:46,416 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:46,445 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:46,446 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:20:46,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:46 BoogieIcfgContainer [2023-11-23 20:20:46,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:46,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:46,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:46,460 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:46,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:46" (1/1) ... [2023-11-23 20:20:46,462 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) [2023-11-23 20:20:46,467 INFO L158 Benchmark]: Toolchain (without parser) took 1989.19ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 106.4MB in the beginning and 144.3MB in the end (delta: -37.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-11-23 20:20:46,467 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:20:46,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 845.23ms. Allocated memory is still 146.8MB. Free memory was 106.1MB in the beginning and 75.8MB in the end (delta: 30.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-23 20:20:46,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.72ms. Allocated memory is still 146.8MB. Free memory was 75.8MB in the beginning and 73.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:46,470 INFO L158 Benchmark]: Boogie Preprocessor took 50.68ms. Allocated memory is still 146.8MB. Free memory was 73.0MB in the beginning and 70.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:46,471 INFO L158 Benchmark]: RCFGBuilder took 977.20ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 70.7MB in the beginning and 145.5MB in the end (delta: -74.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-11-23 20:20:46,472 INFO L158 Benchmark]: CodeCheck took 15.89ms. Allocated memory is still 197.1MB. Free memory was 145.5MB in the beginning and 144.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:46,476 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 0.37ms. Allocated memory is still 146.8MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 845.23ms. Allocated memory is still 146.8MB. Free memory was 106.1MB in the beginning and 75.8MB in the end (delta: 30.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.72ms. Allocated memory is still 146.8MB. Free memory was 75.8MB in the beginning and 73.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.68ms. Allocated memory is still 146.8MB. Free memory was 73.0MB in the beginning and 70.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 977.20ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 70.7MB in the beginning and 145.5MB in the end (delta: -74.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 15.89ms. Allocated memory is still 197.1MB. Free memory was 145.5MB in the beginning and 144.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:20:46,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-30e01a7 [2023-11-23 20:20:49,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:49,466 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:20:49,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:49,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:49,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:49,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:49,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:49,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:49,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:49,514 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:20:49,515 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:20:49,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:49,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:49,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:49,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:49,518 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:20:49,519 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:20:49,519 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:49,520 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:20:49,521 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:49,522 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:20:49,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:49,523 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:49,523 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:49,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:49,525 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:49,525 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:49,526 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:20:49,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:49,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:49,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:49,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:49,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:49,529 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:20:49,529 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:49,530 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:49,530 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:20:49,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:20:49,531 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_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2023-11-23 20:20:49,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:49,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:49,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:49,984 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:49,984 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:49,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/queue.i [2023-11-23 20:20:53,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:53,534 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:53,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/sv-benchmarks/c/pthread/queue.i [2023-11-23 20:20:53,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/data/ec254a1e3/59378cd73e0c4d8cb23b24fdb2fb86d1/FLAG6369d4fe5 [2023-11-23 20:20:53,585 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/data/ec254a1e3/59378cd73e0c4d8cb23b24fdb2fb86d1 [2023-11-23 20:20:53,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:53,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:53,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:53,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:53,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:53,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:53" (1/1) ... [2023-11-23 20:20:53,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4752bf77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:53, skipping insertion in model container [2023-11-23 20:20:53,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:53" (1/1) ... [2023-11-23 20:20:53,661 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:54,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:54,439 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:54,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:54,633 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:54,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:54 WrapperNode [2023-11-23 20:20:54,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:54,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:54,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:54,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:54,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:54" (1/1) ... [2023-11-23 20:20:54,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:54" (1/1) ... [2023-11-23 20:20:54,722 INFO L138 Inliner]: procedures = 279, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 139 [2023-11-23 20:20:54,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:54,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:54,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:54,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:54,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:54" (1/1) ... [2023-11-23 20:20:54,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:54" (1/1) ... [2023-11-23 20:20:54,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:54" (1/1) ... [2023-11-23 20:20:54,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:54" (1/1) ... [2023-11-23 20:20:54,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:54" (1/1) ... [2023-11-23 20:20:54,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:54" (1/1) ... [2023-11-23 20:20:54,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:54" (1/1) ... [2023-11-23 20:20:54,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:54" (1/1) ... [2023-11-23 20:20:54,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:54,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:54,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:54,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:54,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:54" (1/1) ... [2023-11-23 20:20:54,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:54,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:54,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:54,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:20:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:20:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:20:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:20:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:20:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:20:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:20:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:20:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-23 20:20:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-23 20:20:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:20:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:20:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:20:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:20:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-23 20:20:54,922 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-23 20:20:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:20:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:20:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:54,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:54,925 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:20:55,093 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:55,097 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:55,619 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:55,655 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:55,655 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:20:55,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:55 BoogieIcfgContainer [2023-11-23 20:20:55,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:55,658 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:55,658 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:55,668 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:55,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:55" (1/1) ... [2023-11-23 20:20:55,670 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) [2023-11-23 20:20:55,674 INFO L158 Benchmark]: Toolchain (without parser) took 2084.18ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 33.6MB in the end (delta: 22.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-11-23 20:20:55,674 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:20:55,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1044.41ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 42.3MB in the end (delta: 14.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:55,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.71ms. Allocated memory is still 81.8MB. Free memory was 42.3MB in the beginning and 39.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:20:55,676 INFO L158 Benchmark]: Boogie Preprocessor took 87.27ms. Allocated memory is still 81.8MB. Free memory was 39.5MB in the beginning and 36.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:55,677 INFO L158 Benchmark]: RCFGBuilder took 846.49ms. Allocated memory is still 81.8MB. Free memory was 36.7MB in the beginning and 34.9MB in the end (delta: 1.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-23 20:20:55,678 INFO L158 Benchmark]: CodeCheck took 14.06ms. Allocated memory is still 81.8MB. Free memory was 34.9MB in the beginning and 33.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:55,681 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 62.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1044.41ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 42.3MB in the end (delta: 14.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.71ms. Allocated memory is still 81.8MB. Free memory was 42.3MB in the beginning and 39.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.27ms. Allocated memory is still 81.8MB. Free memory was 39.5MB in the beginning and 36.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 846.49ms. Allocated memory is still 81.8MB. Free memory was 36.7MB in the beginning and 34.9MB in the end (delta: 1.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * CodeCheck took 14.06ms. Allocated memory is still 81.8MB. Free memory was 34.9MB in the beginning and 33.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:20:55,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd7c01f-0b5e-46c1-964c-652153b6c67c/bin/ukojak-verify-1t5iHCbJaC/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