./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/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_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi --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 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:40,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:40,670 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:12:40,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:40,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:40,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:40,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:40,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:40,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:40,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:40,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:40,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:40,727 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:40,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:40,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:40,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:40,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:40,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:40,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:40,731 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:12:40,732 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:12:40,733 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:40,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:40,733 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:40,734 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:40,735 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:40,735 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:40,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:40,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:40,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:40,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:40,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:40,738 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:40,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:40,739 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:40,739 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_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 [2023-11-24 22:12:41,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:41,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:41,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:41,056 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:41,057 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:41,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/queue_longest.i [2023-11-24 22:12:44,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:44,528 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:44,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/sv-benchmarks/c/pthread/queue_longest.i [2023-11-24 22:12:44,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/data/a9993846a/94dfafd54f4f4ede82c703e2a4b7523e/FLAGd7613d06e [2023-11-24 22:12:44,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/data/a9993846a/94dfafd54f4f4ede82c703e2a4b7523e [2023-11-24 22:12:44,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:44,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:44,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:44,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:44,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:44,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:44" (1/1) ... [2023-11-24 22:12:44,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c203537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:44, skipping insertion in model container [2023-11-24 22:12:44,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:44" (1/1) ... [2023-11-24 22:12:44,660 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:45,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:45,309 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:45,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:45,485 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:45,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:45 WrapperNode [2023-11-24 22:12:45,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:45,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:45,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:45,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:45,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:45" (1/1) ... [2023-11-24 22:12:45,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:45" (1/1) ... [2023-11-24 22:12:45,589 INFO L138 Inliner]: procedures = 275, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2023-11-24 22:12:45,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:45,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:45,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:45,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:45,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:45" (1/1) ... [2023-11-24 22:12:45,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:45" (1/1) ... [2023-11-24 22:12:45,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:45" (1/1) ... [2023-11-24 22:12:45,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:45" (1/1) ... [2023-11-24 22:12:45,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:45" (1/1) ... [2023-11-24 22:12:45,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:45" (1/1) ... [2023-11-24 22:12:45,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:45" (1/1) ... [2023-11-24 22:12:45,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:45" (1/1) ... [2023-11-24 22:12:45,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:45,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:45,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:45,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:45,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:45" (1/1) ... [2023-11-24 22:12:45,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:45,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:45,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:45,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-24 22:12:45,748 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-24 22:12:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 22:12:45,748 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 22:12:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 22:12:45,749 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 22:12:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:12:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-24 22:12:45,750 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-24 22:12:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:12:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-24 22:12:45,750 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-24 22:12:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 22:12:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:12:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:12:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 22:12:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:45,756 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 22:12:45,953 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:45,955 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:46,426 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:46,482 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:46,482 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:12:46,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:46 BoogieIcfgContainer [2023-11-24 22:12:46,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:46,485 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:46,485 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:46,496 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:46,496 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,497 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 22:12:46,503 INFO L158 Benchmark]: Toolchain (without parser) took 1933.90ms. Allocated memory is still 169.9MB. Free memory was 135.2MB in the beginning and 72.4MB in the end (delta: 62.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 22:12:46,504 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:46,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 917.75ms. Allocated memory is still 169.9MB. Free memory was 134.4MB in the beginning and 103.8MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-24 22:12:46,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.26ms. Allocated memory is still 169.9MB. Free memory was 103.8MB in the beginning and 101.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:46,507 INFO L158 Benchmark]: Boogie Preprocessor took 78.22ms. Allocated memory is still 169.9MB. Free memory was 101.0MB in the beginning and 98.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:46,508 INFO L158 Benchmark]: RCFGBuilder took 815.20ms. Allocated memory is still 169.9MB. Free memory was 98.9MB in the beginning and 73.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-24 22:12:46,509 INFO L158 Benchmark]: CodeCheck took 15.23ms. Allocated memory is still 169.9MB. Free memory was 73.7MB in the beginning and 72.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:46,520 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 0.28ms. Allocated memory is still 130.0MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 917.75ms. Allocated memory is still 169.9MB. Free memory was 134.4MB in the beginning and 103.8MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.26ms. Allocated memory is still 169.9MB. Free memory was 103.8MB in the beginning and 101.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.22ms. Allocated memory is still 169.9MB. Free memory was 101.0MB in the beginning and 98.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 815.20ms. Allocated memory is still 169.9MB. Free memory was 98.9MB in the beginning and 73.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 15.23ms. Allocated memory is still 169.9MB. Free memory was 73.7MB in the beginning and 72.4MB 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. [2023-11-24 22:12:46,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/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_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi --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 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:49,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:49,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:12:49,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:49,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:49,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:49,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:49,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:49,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:49,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:49,630 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:49,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:49,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:49,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:49,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:49,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:49,634 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:12:49,635 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:12:49,635 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:12:49,637 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:12:49,637 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:12:49,638 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:49,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:49,639 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:49,640 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:49,640 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:49,641 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:49,641 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:49,642 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:49,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:49,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:49,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:49,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:49,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:49,646 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:12:49,646 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:49,647 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:49,647 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:12:49,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:49,648 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_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 [2023-11-24 22:12:50,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:50,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:50,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:50,264 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:50,265 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:50,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/queue_longest.i [2023-11-24 22:12:53,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:53,919 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:53,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/sv-benchmarks/c/pthread/queue_longest.i [2023-11-24 22:12:53,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/data/f19186e90/b7ae45784c274d8da4b6b90a8cd33aa6/FLAGd007f4fb7 [2023-11-24 22:12:53,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/data/f19186e90/b7ae45784c274d8da4b6b90a8cd33aa6 [2023-11-24 22:12:53,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:53,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:53,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:53,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:53,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:53,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:53" (1/1) ... [2023-11-24 22:12:54,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443daeae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:54, skipping insertion in model container [2023-11-24 22:12:54,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:53" (1/1) ... [2023-11-24 22:12:54,087 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:54,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:54,861 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:55,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:55,107 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:55,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55 WrapperNode [2023-11-24 22:12:55,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:55,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:55,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:55,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:55,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,207 INFO L138 Inliner]: procedures = 279, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 130 [2023-11-24 22:12:55,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:55,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:55,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:55,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:55,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:55,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:55,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:55,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:55,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:55,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:55,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:55,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-24 22:12:55,375 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-24 22:12:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:12:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 22:12:55,375 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 22:12:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 22:12:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 22:12:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:12:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-24 22:12:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-24 22:12:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:12:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:12:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:12:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 22:12:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-24 22:12:55,378 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-24 22:12:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 22:12:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 22:12:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:55,382 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 22:12:55,642 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:55,645 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:56,139 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:56,192 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:56,201 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:12:56,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:56 BoogieIcfgContainer [2023-11-24 22:12:56,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:56,205 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:56,205 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:56,214 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:56,215 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,216 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 22:12:56,224 INFO L158 Benchmark]: Toolchain (without parser) took 2238.58ms. Allocated memory is still 96.5MB. Free memory was 71.4MB in the beginning and 60.3MB in the end (delta: 11.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-11-24 22:12:56,224 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:56,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1119.66ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 60.2MB in the end (delta: 11.0MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-11-24 22:12:56,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.50ms. Allocated memory is still 96.5MB. Free memory was 60.2MB in the beginning and 57.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:12:56,228 INFO L158 Benchmark]: Boogie Preprocessor took 89.58ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 54.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:56,229 INFO L158 Benchmark]: RCFGBuilder took 905.63ms. Allocated memory is still 96.5MB. Free memory was 54.5MB in the beginning and 61.3MB in the end (delta: -6.8MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-24 22:12:56,230 INFO L158 Benchmark]: CodeCheck took 16.66ms. Allocated memory is still 96.5MB. Free memory was 61.3MB in the beginning and 60.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:56,236 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 0.28ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1119.66ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 60.2MB in the end (delta: 11.0MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.50ms. Allocated memory is still 96.5MB. Free memory was 60.2MB in the beginning and 57.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.58ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 54.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 905.63ms. Allocated memory is still 96.5MB. Free memory was 54.5MB in the beginning and 61.3MB in the end (delta: -6.8MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * CodeCheck took 16.66ms. Allocated memory is still 96.5MB. Free memory was 61.3MB in the beginning and 60.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:12:56,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64037e35-0c6c-4fd0-a0c7-55e0872b3ccf/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported