./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/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_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:18:40,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:18:40,468 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 02:18:40,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:18:40,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:18:40,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:18:40,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:18:40,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:18:40,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:18:40,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:18:40,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:18:40,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:18:40,499 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:18:40,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:18:40,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:18:40,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:18:40,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:18:40,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:18:40,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:18:40,502 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:18:40,503 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:18:40,503 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:18:40,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:18:40,504 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:18:40,505 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:18:40,505 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:18:40,506 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:18:40,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:18:40,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:18:40,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:18:40,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:18:40,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:18:40,508 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:18:40,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:18:40,508 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:18:40,509 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_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea [2023-12-03 02:18:40,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:18:40,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:18:40,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:18:40,742 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:18:40,742 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:18:40,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-12-03 02:18:43,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:18:43,719 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:18:43,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-12-03 02:18:43,734 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/data/b90da2f67/105a3b285a264ff59d123038aad39393/FLAG50a5647c4 [2023-12-03 02:18:43,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/data/b90da2f67/105a3b285a264ff59d123038aad39393 [2023-12-03 02:18:43,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:18:43,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:18:43,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:18:43,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:18:43,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:18:43,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:18:43" (1/1) ... [2023-12-03 02:18:43,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60851bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:43, skipping insertion in model container [2023-12-03 02:18:43,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:18:43" (1/1) ... [2023-12-03 02:18:43,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:18:44,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:18:44,114 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:18:44,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:18:44,188 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:18:44,188 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:18:44,194 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:18:44,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:44 WrapperNode [2023-12-03 02:18:44,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:18:44,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:18:44,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:18:44,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:18:44,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:44" (1/1) ... [2023-12-03 02:18:44,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:44" (1/1) ... [2023-12-03 02:18:44,239 INFO L138 Inliner]: procedures = 179, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 162 [2023-12-03 02:18:44,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:18:44,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:18:44,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:18:44,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:18:44,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:44" (1/1) ... [2023-12-03 02:18:44,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:44" (1/1) ... [2023-12-03 02:18:44,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:44" (1/1) ... [2023-12-03 02:18:44,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:44" (1/1) ... [2023-12-03 02:18:44,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:44" (1/1) ... [2023-12-03 02:18:44,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:44" (1/1) ... [2023-12-03 02:18:44,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:44" (1/1) ... [2023-12-03 02:18:44,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:44" (1/1) ... [2023-12-03 02:18:44,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:18:44,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:18:44,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:18:44,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:18:44,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:44" (1/1) ... [2023-12-03 02:18:44,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:18:44,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:18:44,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:18:44,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:18:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:18:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-03 02:18:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-03 02:18:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:18:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-12-03 02:18:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-12-03 02:18:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:18:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:18:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 02:18:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:18:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:18:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:18:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:18:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 02:18:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-12-03 02:18:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-12-03 02:18:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:18:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:18:44,340 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 02:18:44,465 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:18:44,467 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:18:44,732 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:18:44,827 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) 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) [2023-12-03 02:18:44,831 INFO L158 Benchmark]: Toolchain (without parser) took 1079.28ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 113.8MB in the end (delta: -4.9MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2023-12-03 02:18:44,832 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:18:44,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.31ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 87.9MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:18:44,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.33ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 85.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:18:44,834 INFO L158 Benchmark]: Boogie Preprocessor took 32.63ms. Allocated memory is still 155.2MB. Free memory was 85.4MB in the beginning and 83.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:18:44,835 INFO L158 Benchmark]: RCFGBuilder took 556.40ms. Allocated memory is still 155.2MB. Free memory was 83.8MB in the beginning and 113.8MB in the end (delta: -30.1MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-12-03 02:18:44,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.31ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 87.9MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.33ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 85.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.63ms. Allocated memory is still 155.2MB. Free memory was 85.4MB in the beginning and 83.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.40ms. Allocated memory is still 155.2MB. Free memory was 83.8MB in the beginning and 113.8MB in the end (delta: -30.1MB). Peak memory consumption was 27.4MB. 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:18:44,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/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_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:18:46,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:18:46,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 02:18:46,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:18:46,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:18:46,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:18:46,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:18:46,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:18:46,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:18:46,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:18:46,876 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:18:46,877 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:18:46,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:18:46,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:18:46,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:18:46,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:18:46,880 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:18:46,880 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:18:46,881 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:18:46,882 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:18:46,882 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:18:46,886 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:18:46,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:18:46,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:18:46,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:18:46,888 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:18:46,889 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:18:46,889 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:46,890 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:18:46,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:18:46,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:18:46,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:18:46,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:18:46,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:18:46,891 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:18:46,892 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:46,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:18:46,892 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:18:46,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:18:46,893 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_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea [2023-12-03 02:18:47,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:18:47,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:18:47,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:18:47,197 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:18:47,197 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:18:47,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-12-03 02:18:49,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:18:50,265 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:18:50,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-12-03 02:18:50,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/data/4b1c2c007/4a71295c550f49e5844ed4449513fec6/FLAG646701219 [2023-12-03 02:18:50,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/data/4b1c2c007/4a71295c550f49e5844ed4449513fec6 [2023-12-03 02:18:50,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:18:50,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:18:50,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:18:50,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:18:50,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:18:50,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:18:50" (1/1) ... [2023-12-03 02:18:50,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40765e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:50, skipping insertion in model container [2023-12-03 02:18:50,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:18:50" (1/1) ... [2023-12-03 02:18:50,359 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:18:50,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:18:50,718 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:18:50,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:18:50,828 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:18:50,828 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:18:50,836 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:18:50,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:50 WrapperNode [2023-12-03 02:18:50,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:18:50,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:18:50,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:18:50,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:18:50,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:50" (1/1) ... [2023-12-03 02:18:50,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:50" (1/1) ... [2023-12-03 02:18:50,889 INFO L138 Inliner]: procedures = 183, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 159 [2023-12-03 02:18:50,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:18:50,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:18:50,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:18:50,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:18:50,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:50" (1/1) ... [2023-12-03 02:18:50,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:50" (1/1) ... [2023-12-03 02:18:50,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:50" (1/1) ... [2023-12-03 02:18:50,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:50" (1/1) ... [2023-12-03 02:18:50,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:50" (1/1) ... [2023-12-03 02:18:50,917 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:50" (1/1) ... [2023-12-03 02:18:50,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:50" (1/1) ... [2023-12-03 02:18:50,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:50" (1/1) ... [2023-12-03 02:18:50,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:18:50,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:18:50,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:18:50,929 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:18:50,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:50" (1/1) ... [2023-12-03 02:18:50,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:18:50,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:18:50,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:18:50,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:18:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:18:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-03 02:18:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-03 02:18:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-12-03 02:18:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-12-03 02:18:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:18:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:18:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 02:18:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:18:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:18:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:18:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:18:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:18:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 02:18:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 02:18:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-12-03 02:18:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-12-03 02:18:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:18:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:18:51,001 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 02:18:51,149 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:18:51,152 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:18:51,459 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:18:51,553 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) 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) [2023-12-03 02:18:51,557 INFO L158 Benchmark]: Toolchain (without parser) took 1257.76ms. Allocated memory is still 81.8MB. Free memory was 56.5MB in the beginning and 39.7MB in the end (delta: 16.8MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2023-12-03 02:18:51,557 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:18:51,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.05ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 52.2MB in the end (delta: 4.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-12-03 02:18:51,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.01ms. Allocated memory is still 81.8MB. Free memory was 52.2MB in the beginning and 49.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:18:51,559 INFO L158 Benchmark]: Boogie Preprocessor took 38.01ms. Allocated memory is still 81.8MB. Free memory was 49.7MB in the beginning and 47.3MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:18:51,560 INFO L158 Benchmark]: RCFGBuilder took 626.29ms. Allocated memory is still 81.8MB. Free memory was 47.3MB in the beginning and 39.7MB in the end (delta: 7.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-12-03 02:18:51,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.05ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 52.2MB in the end (delta: 4.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.01ms. Allocated memory is still 81.8MB. Free memory was 52.2MB in the beginning and 49.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.01ms. Allocated memory is still 81.8MB. Free memory was 49.7MB in the beginning and 47.3MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 626.29ms. Allocated memory is still 81.8MB. Free memory was 47.3MB in the beginning and 39.7MB in the end (delta: 7.6MB). Peak memory consumption was 18.1MB. 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:18:51,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd1b5ca-d5d3-4ae0-b08e-ac418c84266f/bin/ukojak-verify-Qdu7aM0XO9/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 start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?