./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef25c7a0ca5d95f3b469f57ad040cab1f4feb185ac5183a687b70f186e65f8f6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:02,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:03,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:09:03,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:09:03,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:09:03,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:03,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:03,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:03,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:03,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:03,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:03,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:03,056 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:03,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:09:03,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:03,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:03,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:03,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:03,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:03,060 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:03,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:03,061 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:03,062 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:03,063 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:03,063 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:03,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:03,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:03,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:03,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:03,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:03,067 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:09:03,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:09:03,068 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:03,069 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_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef25c7a0ca5d95f3b469f57ad040cab1f4feb185ac5183a687b70f186e65f8f6 [2023-11-19 04:09:03,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:03,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:03,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:03,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:03,403 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:03,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2023-11-19 04:09:06,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:06,790 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:06,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2023-11-19 04:09:06,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/data/f6a02d454/bafa1bc7ff214c79a9dec02ee4e983b8/FLAGa010ab92b [2023-11-19 04:09:06,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/data/f6a02d454/bafa1bc7ff214c79a9dec02ee4e983b8 [2023-11-19 04:09:06,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:06,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:06,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:06,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:06,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:06,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:06" (1/1) ... [2023-11-19 04:09:06,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a07f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:06, skipping insertion in model container [2023-11-19 04:09:06,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:06" (1/1) ... [2023-11-19 04:09:06,912 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:07,340 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31180,31193] [2023-11-19 04:09:07,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:07,376 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:07,433 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31180,31193] [2023-11-19 04:09:07,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:07,503 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:09:07,503 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:09:07,511 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:07,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07 WrapperNode [2023-11-19 04:09:07,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:07,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:07,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:07,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:07,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,588 INFO L138 Inliner]: procedures = 179, calls = 36, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 117 [2023-11-19 04:09:07,588 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:07,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:07,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:07,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:07,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:07,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:07,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:07,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:07,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:07,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:07,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:07,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:09:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 04:09:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 04:09:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:09:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-19 04:09:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-19 04:09:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:09:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:09:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:09:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:09:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:09:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-19 04:09:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-19 04:09:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:09:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:09:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-19 04:09:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-19 04:09:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:07,741 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:09:07,980 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:07,983 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:08,338 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:08,450 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:08,450 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:09:08,453 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2023-11-19 04:09:08,460 INFO L158 Benchmark]: Toolchain (without parser) took 1620.01ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 95.8MB in the end (delta: -6.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 04:09:08,461 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:08,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.32ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 68.0MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 04:09:08,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.90ms. Allocated memory is still 134.2MB. Free memory was 68.0MB in the beginning and 65.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:09:08,463 INFO L158 Benchmark]: Boogie Preprocessor took 38.43ms. Allocated memory is still 134.2MB. Free memory was 65.9MB in the beginning and 64.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:09:08,464 INFO L158 Benchmark]: RCFGBuilder took 830.22ms. Allocated memory is still 134.2MB. Free memory was 64.4MB in the beginning and 95.8MB in the end (delta: -31.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:09:08,467 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.32ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 68.0MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.90ms. Allocated memory is still 134.2MB. Free memory was 68.0MB in the beginning and 65.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.43ms. Allocated memory is still 134.2MB. Free memory was 65.9MB in the beginning and 64.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 830.22ms. Allocated memory is still 134.2MB. Free memory was 64.4MB in the beginning and 95.8MB in the end (delta: -31.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:09:08,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef25c7a0ca5d95f3b469f57ad040cab1f4feb185ac5183a687b70f186e65f8f6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:11,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:11,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:09:11,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:11,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:11,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:11,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:11,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:11,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:11,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:11,482 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:11,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:11,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:11,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:11,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:11,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:11,486 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:09:11,486 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:09:11,486 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:09:11,487 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:11,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:11,488 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:11,489 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:11,489 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:11,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:11,490 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:11,491 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:09:11,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:11,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:11,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:11,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:11,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:11,494 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:09:11,494 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:11,495 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:11,495 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:09:11,495 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:09:11,495 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_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef25c7a0ca5d95f3b469f57ad040cab1f4feb185ac5183a687b70f186e65f8f6 [2023-11-19 04:09:11,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:11,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:11,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:11,991 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:11,992 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:11,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2023-11-19 04:09:15,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:15,507 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:15,507 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2023-11-19 04:09:15,526 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/data/c118ec655/36baee96de4946909522e9434d156daf/FLAGa305a6c30 [2023-11-19 04:09:15,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/data/c118ec655/36baee96de4946909522e9434d156daf [2023-11-19 04:09:15,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:15,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:15,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:15,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:15,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:15,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:15" (1/1) ... [2023-11-19 04:09:15,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fea9f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:15, skipping insertion in model container [2023-11-19 04:09:15,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:15" (1/1) ... [2023-11-19 04:09:15,606 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:16,010 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31180,31193] [2023-11-19 04:09:16,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:16,041 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:16,081 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31180,31193] [2023-11-19 04:09:16,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:16,129 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:09:16,129 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:09:16,137 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:16,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:16 WrapperNode [2023-11-19 04:09:16,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:16,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:16,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:16,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:16,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:16" (1/1) ... [2023-11-19 04:09:16,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:16" (1/1) ... [2023-11-19 04:09:16,190 INFO L138 Inliner]: procedures = 183, calls = 36, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 114 [2023-11-19 04:09:16,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:16,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:16,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:16,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:16,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:16" (1/1) ... [2023-11-19 04:09:16,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:16" (1/1) ... [2023-11-19 04:09:16,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:16" (1/1) ... [2023-11-19 04:09:16,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:16" (1/1) ... [2023-11-19 04:09:16,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:16" (1/1) ... [2023-11-19 04:09:16,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:16" (1/1) ... [2023-11-19 04:09:16,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:16" (1/1) ... [2023-11-19 04:09:16,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:16" (1/1) ... [2023-11-19 04:09:16,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:16,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:16,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:16,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:16,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:16" (1/1) ... [2023-11-19 04:09:16,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:16,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:16,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:16,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:09:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 04:09:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 04:09:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-19 04:09:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-19 04:09:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:09:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:09:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:09:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:09:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:09:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:09:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:09:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:09:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-19 04:09:16,315 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-19 04:09:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:09:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-19 04:09:16,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-19 04:09:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:16,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:16,318 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:09:16,541 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:16,544 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:16,855 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:16,984 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:16,984 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:09:16,986 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2023-11-19 04:09:16,991 INFO L158 Benchmark]: Toolchain (without parser) took 1442.23ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.5MB in the beginning and 54.8MB in the end (delta: -11.3MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-19 04:09:16,992 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:16,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.19ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.4MB in the beginning and 56.0MB in the end (delta: -12.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-19 04:09:16,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.73ms. Allocated memory is still 88.1MB. Free memory was 56.0MB in the beginning and 53.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:09:16,994 INFO L158 Benchmark]: Boogie Preprocessor took 38.09ms. Allocated memory is still 88.1MB. Free memory was 53.8MB in the beginning and 51.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:09:16,995 INFO L158 Benchmark]: RCFGBuilder took 759.11ms. Allocated memory is still 88.1MB. Free memory was 51.8MB in the beginning and 54.8MB in the end (delta: -3.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-19 04:09:16,998 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.19ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.4MB in the beginning and 56.0MB in the end (delta: -12.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.73ms. Allocated memory is still 88.1MB. Free memory was 56.0MB in the beginning and 53.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.09ms. Allocated memory is still 88.1MB. Free memory was 53.8MB in the beginning and 51.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 759.11ms. Allocated memory is still 88.1MB. Free memory was 51.8MB in the beginning and 54.8MB in the end (delta: -3.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:09:17,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41439909-f8ae-46f2-aa59-6c16f776aab9/bin/ukojak-verify-G8NBE6pJGL/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: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?