./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b --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 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:59:31,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:59:32,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:59:32,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:59:32,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:59:32,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:59:32,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:59:32,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:59:32,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:59:32,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:59:32,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:59:32,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:59:32,071 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:59:32,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:59:32,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:59:32,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:59:32,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:59:32,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:59:32,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:59:32,072 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:59:32,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:59:32,072 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:59:32,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:59:32,072 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:59:32,072 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:59:32,073 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:59:32,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:59:32,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:59:32,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:59:32,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:59:32,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:59:32,073 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:59:32,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:59:32,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b 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 -> 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea [2024-12-06 02:59:32,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:59:32,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:59:32,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:59:32,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:59:32,320 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:59:32,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2024-12-06 02:59:34,919 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/data/1f9624baf/eab952ad5b2d4401ae3a92a7912670cb/FLAGe1e93f900 [2024-12-06 02:59:35,177 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:59:35,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2024-12-06 02:59:35,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/data/1f9624baf/eab952ad5b2d4401ae3a92a7912670cb/FLAGe1e93f900 [2024-12-06 02:59:35,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/data/1f9624baf/eab952ad5b2d4401ae3a92a7912670cb [2024-12-06 02:59:35,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:59:35,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:59:35,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:59:35,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:59:35,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:59:35,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:35,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512b07aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35, skipping insertion in model container [2024-12-06 02:59:35,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:35,534 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:59:35,769 WARN L250 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_408f8735-aa21-4a94-833c-8bfe75cffb21/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31309,31322] [2024-12-06 02:59:35,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:59:35,828 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:59:35,867 WARN L250 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_408f8735-aa21-4a94-833c-8bfe75cffb21/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31309,31322] [2024-12-06 02:59:35,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:59:35,917 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:59:35,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35 WrapperNode [2024-12-06 02:59:35,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:59:35,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:59:35,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:59:35,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:59:35,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:35,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:35,988 INFO L138 Inliner]: procedures = 179, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 2065 [2024-12-06 02:59:35,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:59:35,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:59:35,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:59:35,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:59:35,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:35,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:36,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:36,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:36,032 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:36,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:36,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:36,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:36,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:36,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:59:36,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:59:36,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:59:36,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:59:36,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:35" (1/1) ... [2024-12-06 02:59:36,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:59:36,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:59:36,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:59:36,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:59:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:59:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-12-06 02:59:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-12-06 02:59:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:59:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2024-12-06 02:59:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2024-12-06 02:59:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:59:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:59:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 02:59:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:59:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:59:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:59:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:59:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 02:59:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2024-12-06 02:59:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2024-12-06 02:59:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:59:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:59:36,132 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 02:59:36,236 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:59:36,237 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:59:37,861 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 02:59:37,861 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:59:38,030 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start 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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:59:38,035 INFO L158 Benchmark]: Toolchain (without parser) took 2532.14ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 92.0MB in the beginning and 66.2MB in the end (delta: 25.7MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. [2024-12-06 02:59:38,036 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:59:38,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.02ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 59.0MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:59:38,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.96ms. Allocated memory is still 117.4MB. Free memory was 59.0MB in the beginning and 50.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:59:38,037 INFO L158 Benchmark]: Boogie Preprocessor took 75.33ms. Allocated memory is still 117.4MB. Free memory was 50.2MB in the beginning and 41.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:59:38,038 INFO L158 Benchmark]: RCFGBuilder took 1968.38ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 41.1MB in the beginning and 66.3MB in the end (delta: -25.3MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2024-12-06 02:59:38,040 INFO L338 ainManager$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 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.02ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 59.0MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.96ms. Allocated memory is still 117.4MB. Free memory was 59.0MB in the beginning and 50.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.33ms. Allocated memory is still 117.4MB. Free memory was 50.2MB in the beginning and 41.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1968.38ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 41.1MB in the beginning and 66.3MB in the end (delta: -25.3MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start 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 start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:59:38,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b --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 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:59:39,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:59:40,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:59:40,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:59:40,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:59:40,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:59:40,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:59:40,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:59:40,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:59:40,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:59:40,095 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:59:40,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:59:40,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:59:40,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:59:40,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:59:40,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:59:40,096 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:59:40,096 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:59:40,096 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:59:40,096 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:59:40,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:59:40,096 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:59:40,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:59:40,096 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:59:40,096 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:59:40,096 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:59:40,097 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:59:40,097 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:59:40,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:59:40,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:59:40,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:59:40,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:59:40,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:59:40,097 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:59:40,097 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:59:40,097 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:59:40,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b 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 -> 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea [2024-12-06 02:59:40,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:59:40,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:59:40,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:59:40,336 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:59:40,336 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:59:40,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2024-12-06 02:59:43,031 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/data/6bc9f9202/7c5b391ca5c54fd7b2a9f3e9436f01b0/FLAG6890ec910 [2024-12-06 02:59:43,250 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:59:43,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2024-12-06 02:59:43,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/data/6bc9f9202/7c5b391ca5c54fd7b2a9f3e9436f01b0/FLAG6890ec910 [2024-12-06 02:59:43,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/data/6bc9f9202/7c5b391ca5c54fd7b2a9f3e9436f01b0 [2024-12-06 02:59:43,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:59:43,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:59:43,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:59:43,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:59:43,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:59:43,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7e337b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43, skipping insertion in model container [2024-12-06 02:59:43,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:59:43,542 WARN L250 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_408f8735-aa21-4a94-833c-8bfe75cffb21/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31309,31322] [2024-12-06 02:59:43,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:59:43,600 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:59:43,641 WARN L250 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_408f8735-aa21-4a94-833c-8bfe75cffb21/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31309,31322] [2024-12-06 02:59:43,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:59:43,711 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:59:43,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43 WrapperNode [2024-12-06 02:59:43,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:59:43,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:59:43,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:59:43,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:59:43,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,796 INFO L138 Inliner]: procedures = 183, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 2062 [2024-12-06 02:59:43,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:59:43,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:59:43,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:59:43,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:59:43,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,839 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:59:43,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:59:43,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:59:43,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:59:43,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:43" (1/1) ... [2024-12-06 02:59:43,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:59:43,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:59:43,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:59:43,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:59:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 02:59:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-12-06 02:59:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-12-06 02:59:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2024-12-06 02:59:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2024-12-06 02:59:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:59:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:59:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 02:59:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:59:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:59:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:59:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 02:59:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:59:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 02:59:43,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 02:59:43,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2024-12-06 02:59:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2024-12-06 02:59:43,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:59:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:59:43,928 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 02:59:44,048 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:59:44,049 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:59:45,988 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 02:59:45,988 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:59:46,124 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start 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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:59:46,128 INFO L158 Benchmark]: Toolchain (without parser) took 2849.81ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 68.2MB in the beginning and 80.9MB in the end (delta: -12.7MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. [2024-12-06 02:59:46,128 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:59:46,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.76ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 57.6MB in the end (delta: 10.4MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-12-06 02:59:46,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.26ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 48.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:59:46,130 INFO L158 Benchmark]: Boogie Preprocessor took 75.62ms. Allocated memory is still 92.3MB. Free memory was 48.4MB in the beginning and 39.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:59:46,130 INFO L158 Benchmark]: RCFGBuilder took 2253.23ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 39.4MB in the beginning and 80.9MB in the end (delta: -41.5MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2024-12-06 02:59:46,132 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.76ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 57.6MB in the end (delta: 10.4MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.26ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 48.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.62ms. Allocated memory is still 92.3MB. Free memory was 48.4MB in the beginning and 39.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2253.23ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 39.4MB in the beginning and 80.9MB in the end (delta: -41.5MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start 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 start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:59:46,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f8735-aa21-4a94-833c-8bfe75cffb21/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?