./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi --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 cabdc6d1ed2adbc421c41fcb971b1cf28c20678c065a4de58d9cc1e3842298d4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:46,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:46,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:19:46,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:46,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:46,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:46,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:46,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:46,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:46,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:46,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:46,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:46,656 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:46,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:46,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:46,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:46,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:46,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:46,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:46,661 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:46,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:46,662 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:46,663 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:46,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:46,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:46,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:46,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:46,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:46,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:46,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:46,670 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:46,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:46,670 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:46,671 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_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cabdc6d1ed2adbc421c41fcb971b1cf28c20678c065a4de58d9cc1e3842298d4 [2023-11-24 22:19:46,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:46,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:46,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:46,962 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:46,963 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:46,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2023-11-24 22:19:50,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:50,446 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:50,447 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2023-11-24 22:19:50,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/data/49141f052/ea735218e5914993955da7ae519d2e04/FLAGb2678c0f3 [2023-11-24 22:19:50,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/data/49141f052/ea735218e5914993955da7ae519d2e04 [2023-11-24 22:19:50,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:50,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:50,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:50,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:50,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:50,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6c2d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50, skipping insertion in model container [2023-11-24 22:19:50,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,560 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:51,045 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_4762303e-d696-46f9-a184-0fd72650517a/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31183,31196] [2023-11-24 22:19:51,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:51,076 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:51,122 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_4762303e-d696-46f9-a184-0fd72650517a/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31183,31196] [2023-11-24 22:19:51,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:51,170 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:51,170 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:51,179 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:51,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51 WrapperNode [2023-11-24 22:19:51,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:51,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:51,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:51,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:51,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,247 INFO L138 Inliner]: procedures = 179, calls = 36, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 117 [2023-11-24 22:19:51,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:51,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:51,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:51,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:51,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:51,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:51,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:51,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:51,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:51,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:51,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:51,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:19:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 22:19:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 22:19:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:19:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-24 22:19:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-24 22:19:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:19:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:19:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:19:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-24 22:19:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-24 22:19:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:19:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-24 22:19:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-24 22:19:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:51,420 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:19:51,612 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:51,614 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:51,959 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:52,113 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:19:52,119 INFO L158 Benchmark]: Toolchain (without parser) took 1632.15ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 108.5MB in the beginning and 157.9MB in the end (delta: -49.4MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,120 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 155.2MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:52,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.41ms. Allocated memory is still 155.2MB. Free memory was 108.0MB in the beginning and 87.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.93ms. Allocated memory is still 155.2MB. Free memory was 87.1MB in the beginning and 84.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,122 INFO L158 Benchmark]: Boogie Preprocessor took 38.71ms. Allocated memory is still 155.2MB. Free memory was 84.9MB in the beginning and 83.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,124 INFO L158 Benchmark]: RCFGBuilder took 828.33ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 83.3MB in the beginning and 157.9MB in the end (delta: -74.6MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,127 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 155.2MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 694.41ms. Allocated memory is still 155.2MB. Free memory was 108.0MB in the beginning and 87.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.93ms. Allocated memory is still 155.2MB. Free memory was 87.1MB in the beginning and 84.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.71ms. Allocated memory is still 155.2MB. Free memory was 84.9MB in the beginning and 83.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 828.33ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 83.3MB in the beginning and 157.9MB in the end (delta: -74.6MB). Peak memory consumption was 16.6MB. 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:19:52,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi --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 cabdc6d1ed2adbc421c41fcb971b1cf28c20678c065a4de58d9cc1e3842298d4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:55,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:55,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:19:55,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:55,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:55,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:55,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:55,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:55,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:55,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:55,454 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:55,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:55,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:55,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:55,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:55,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:55,459 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:19:55,460 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:19:55,460 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:19:55,461 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:55,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:55,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:55,463 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:55,463 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:55,464 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:55,464 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:55,465 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:19:55,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:55,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:55,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:55,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:55,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:55,469 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:19:55,470 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:55,470 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:55,470 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:19:55,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:19:55,471 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_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cabdc6d1ed2adbc421c41fcb971b1cf28c20678c065a4de58d9cc1e3842298d4 [2023-11-24 22:19:56,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:56,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:56,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:56,053 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:56,054 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:56,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2023-11-24 22:19:59,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:20:00,066 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:20:00,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2023-11-24 22:20:00,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/data/c2f645fd2/9fe87e71681149a6ab0da50da28c2be0/FLAG5d8c053c2 [2023-11-24 22:20:00,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/data/c2f645fd2/9fe87e71681149a6ab0da50da28c2be0 [2023-11-24 22:20:00,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:20:00,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:20:00,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:20:00,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:20:00,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:20:00,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:00" (1/1) ... [2023-11-24 22:20:00,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3acf179d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:00, skipping insertion in model container [2023-11-24 22:20:00,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:00" (1/1) ... [2023-11-24 22:20:00,217 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:20:00,652 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_4762303e-d696-46f9-a184-0fd72650517a/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31183,31196] [2023-11-24 22:20:00,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:20:00,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:20:00,770 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_4762303e-d696-46f9-a184-0fd72650517a/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31183,31196] [2023-11-24 22:20:00,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:20:00,849 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:20:00,849 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:20:00,858 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:20:00,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:00 WrapperNode [2023-11-24 22:20:00,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:20:00,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:20:00,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:20:00,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:20:00,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:00" (1/1) ... [2023-11-24 22:20:00,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:00" (1/1) ... [2023-11-24 22:20:00,935 INFO L138 Inliner]: procedures = 183, calls = 36, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 114 [2023-11-24 22:20:00,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:20:00,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:20:00,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:20:00,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:20:00,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:00" (1/1) ... [2023-11-24 22:20:00,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:00" (1/1) ... [2023-11-24 22:20:00,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:00" (1/1) ... [2023-11-24 22:20:00,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:00" (1/1) ... [2023-11-24 22:20:00,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:00" (1/1) ... [2023-11-24 22:20:00,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:00" (1/1) ... [2023-11-24 22:20:00,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:00" (1/1) ... [2023-11-24 22:20:00,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:00" (1/1) ... [2023-11-24 22:20:00,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:20:00,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:20:00,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:20:00,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:20:00,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:00" (1/1) ... [2023-11-24 22:20:00,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:20:01,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:20:01,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:20:01,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:20:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:20:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 22:20:01,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 22:20:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-24 22:20:01,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-24 22:20:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:20:01,135 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:20:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:20:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:20:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:20:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:20:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:20:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:20:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 22:20:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-24 22:20:01,137 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-24 22:20:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:20:01,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-24 22:20:01,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-24 22:20:01,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:20:01,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:20:01,140 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:20:01,347 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:20:01,351 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:20:01,772 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:20:01,910 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:20:01,917 INFO L158 Benchmark]: Toolchain (without parser) took 1783.08ms. Allocated memory is still 104.9MB. Free memory was 80.3MB in the beginning and 62.7MB in the end (delta: 17.5MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2023-11-24 22:20:01,918 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:20:01,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 721.52ms. Allocated memory is still 104.9MB. Free memory was 80.0MB in the beginning and 58.0MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:20:01,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.75ms. Allocated memory is still 104.9MB. Free memory was 58.0MB in the beginning and 55.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:20:01,922 INFO L158 Benchmark]: Boogie Preprocessor took 43.14ms. Allocated memory is still 104.9MB. Free memory was 55.8MB in the beginning and 53.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:20:01,924 INFO L158 Benchmark]: RCFGBuilder took 935.22ms. Allocated memory is still 104.9MB. Free memory was 53.5MB in the beginning and 62.7MB in the end (delta: -9.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2023-11-24 22:20:01,929 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 721.52ms. Allocated memory is still 104.9MB. Free memory was 80.0MB in the beginning and 58.0MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.75ms. Allocated memory is still 104.9MB. Free memory was 58.0MB in the beginning and 55.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.14ms. Allocated memory is still 104.9MB. Free memory was 55.8MB in the beginning and 53.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 935.22ms. Allocated memory is still 104.9MB. Free memory was 53.5MB in the beginning and 62.7MB in the end (delta: -9.3MB). Peak memory consumption was 8.9MB. 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:20:01,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4762303e-d696-46f9-a184-0fd72650517a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?