./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/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_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/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_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/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 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:25,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:26,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:11:26,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:26,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:26,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:26,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:26,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:26,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:26,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:26,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:26,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:26,083 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:26,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:26,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:26,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:26,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:26,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:26,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:26,087 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:26,087 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:26,088 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:26,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:26,090 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:26,091 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:26,092 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:26,092 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:26,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:26,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:26,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:26,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:26,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:26,095 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:26,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:26,096 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:26,096 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_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 [2023-11-24 22:11:26,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:26,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:26,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:26,424 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:26,424 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:26,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-24 22:11:29,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:29,936 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:29,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-24 22:11:29,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/data/a940b2cfc/72d1687a876e438b87b4da1bd50547b8/FLAG487654538 [2023-11-24 22:11:29,980 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/data/a940b2cfc/72d1687a876e438b87b4da1bd50547b8 [2023-11-24 22:11:29,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:29,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:29,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:29,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:29,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:29,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:30,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79cbf9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:30, skipping insertion in model container [2023-11-24 22:11:30,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:30,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:30,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:30,621 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:30,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:30,716 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:30,716 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:30,723 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:30,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:30 WrapperNode [2023-11-24 22:11:30,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:30,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:30,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:30,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:30,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:30" (1/1) ... [2023-11-24 22:11:30,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:30" (1/1) ... [2023-11-24 22:11:30,781 INFO L138 Inliner]: procedures = 172, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2023-11-24 22:11:30,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:30,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:30,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:30,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:30,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:30" (1/1) ... [2023-11-24 22:11:30,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:30" (1/1) ... [2023-11-24 22:11:30,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:30" (1/1) ... [2023-11-24 22:11:30,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:30" (1/1) ... [2023-11-24 22:11:30,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:30" (1/1) ... [2023-11-24 22:11:30,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:30" (1/1) ... [2023-11-24 22:11:30,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:30" (1/1) ... [2023-11-24 22:11:30,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:30" (1/1) ... [2023-11-24 22:11:30,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:30,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:30,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:30,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:30,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:30" (1/1) ... [2023-11-24 22:11:30,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:30,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:30,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:30,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 22:11:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 22:11:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:11:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 22:11:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:11:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:11:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-24 22:11:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-24 22:11:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:11:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 22:11:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:30,939 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 22:11:31,127 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:31,129 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:31,423 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:31,564 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:31,566 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:11:31,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:31 BoogieIcfgContainer [2023-11-24 22:11:31,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:31,570 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:31,570 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:31,578 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:31,579 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:31" (1/1) ... [2023-11-24 22:11:31,580 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 22:11:31,583 INFO L158 Benchmark]: Toolchain (without parser) took 1594.21ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 82.4MB in the beginning and 108.1MB in the end (delta: -25.6MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-11-24 22:11:31,584 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:31,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.38ms. Allocated memory is still 119.5MB. Free memory was 82.1MB in the beginning and 61.4MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:11:31,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.43ms. Allocated memory is still 119.5MB. Free memory was 61.4MB in the beginning and 59.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:31,586 INFO L158 Benchmark]: Boogie Preprocessor took 58.31ms. Allocated memory is still 119.5MB. Free memory was 59.0MB in the beginning and 57.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:31,587 INFO L158 Benchmark]: RCFGBuilder took 715.79ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 57.3MB in the beginning and 109.5MB in the end (delta: -52.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-11-24 22:11:31,588 INFO L158 Benchmark]: CodeCheck took 11.83ms. Allocated memory is still 155.2MB. Free memory was 109.5MB in the beginning and 108.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:31,592 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 0.33ms. Allocated memory is still 119.5MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.38ms. Allocated memory is still 119.5MB. Free memory was 82.1MB in the beginning and 61.4MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.43ms. Allocated memory is still 119.5MB. Free memory was 61.4MB in the beginning and 59.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.31ms. Allocated memory is still 119.5MB. Free memory was 59.0MB in the beginning and 57.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 715.79ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 57.3MB in the beginning and 109.5MB in the end (delta: -52.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * CodeCheck took 11.83ms. Allocated memory is still 155.2MB. Free memory was 109.5MB in the beginning and 108.1MB in the end (delta: 1.4MB). 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 22:11:31,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/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_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/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_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/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 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:34,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:34,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:11:34,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:34,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:34,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:34,443 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:34,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:34,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:34,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:34,446 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:34,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:34,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:34,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:34,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:34,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:34,450 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:11:34,450 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:11:34,451 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:34,451 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:11:34,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:34,452 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:34,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:34,454 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:34,454 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:34,455 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:34,455 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:34,456 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:34,456 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:34,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:34,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:34,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:34,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:34,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:34,459 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:11:34,459 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:34,459 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:34,460 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:11:34,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:34,460 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_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 [2023-11-24 22:11:34,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:34,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:34,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:34,900 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:34,900 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:34,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-24 22:11:38,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:38,393 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:38,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-24 22:11:38,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/data/5fa51550f/77ea9e6456854704a0cd48e6b4cddd1b/FLAG53bd98c29 [2023-11-24 22:11:38,442 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/data/5fa51550f/77ea9e6456854704a0cd48e6b4cddd1b [2023-11-24 22:11:38,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:38,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:38,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:38,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:38,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:38,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da9a70f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38, skipping insertion in model container [2023-11-24 22:11:38,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,510 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:39,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:39,098 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:39,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:39,275 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:39,276 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:39,284 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:39,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:39 WrapperNode [2023-11-24 22:11:39,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:39,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:39,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:39,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:39,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,381 INFO L138 Inliner]: procedures = 176, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2023-11-24 22:11:39,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:39,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:39,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:39,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:39,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:39,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:39,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:39,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:39,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:39,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:39,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:39,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 22:11:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 22:11:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 22:11:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:11:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:11:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:11:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:11:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 22:11:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-24 22:11:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-24 22:11:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:11:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 22:11:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:39,535 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 22:11:39,742 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:39,745 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:40,059 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:40,156 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:40,156 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:11:40,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:40 BoogieIcfgContainer [2023-11-24 22:11:40,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:40,159 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:40,159 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:40,169 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:40,170 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:40" (1/1) ... [2023-11-24 22:11:40,170 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 22:11:40,174 INFO L158 Benchmark]: Toolchain (without parser) took 1727.82ms. Allocated memory is still 77.6MB. Free memory was 52.3MB in the beginning and 38.6MB in the end (delta: 13.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-11-24 22:11:40,175 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory is still 34.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:40,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.85ms. Allocated memory is still 77.6MB. Free memory was 52.1MB in the beginning and 48.1MB in the end (delta: 4.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-24 22:11:40,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.04ms. Allocated memory is still 77.6MB. Free memory was 48.1MB in the beginning and 45.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:40,178 INFO L158 Benchmark]: Boogie Preprocessor took 58.17ms. Allocated memory is still 77.6MB. Free memory was 45.6MB in the beginning and 43.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:40,178 INFO L158 Benchmark]: RCFGBuilder took 717.08ms. Allocated memory is still 77.6MB. Free memory was 43.3MB in the beginning and 39.5MB in the end (delta: 3.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-24 22:11:40,179 INFO L158 Benchmark]: CodeCheck took 13.56ms. Allocated memory is still 77.6MB. Free memory was 39.5MB in the beginning and 38.6MB in the end (delta: 970.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:40,183 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 0.30ms. Allocated memory is still 58.7MB. Free memory is still 34.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.85ms. Allocated memory is still 77.6MB. Free memory was 52.1MB in the beginning and 48.1MB in the end (delta: 4.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.04ms. Allocated memory is still 77.6MB. Free memory was 48.1MB in the beginning and 45.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.17ms. Allocated memory is still 77.6MB. Free memory was 45.6MB in the beginning and 43.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 717.08ms. Allocated memory is still 77.6MB. Free memory was 43.3MB in the beginning and 39.5MB in the end (delta: 3.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * CodeCheck took 13.56ms. Allocated memory is still 77.6MB. Free memory was 39.5MB in the beginning and 38.6MB in the end (delta: 970.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:11:40,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3761e5c7-7cbc-4179-b8e5-8ab6de080fa6/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