./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:44:50,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:44:50,234 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:44:50,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:44:50,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:44:50,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:44:50,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:44:50,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:44:50,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:44:50,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:44:50,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:44:50,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:44:50,260 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:44:50,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:44:50,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:44:50,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:44:50,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:44:50,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:44:50,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:44:50,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:44:50,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:44:50,261 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:44:50,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:44:50,261 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:44:50,261 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:44:50,261 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:44:50,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:44:50,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:44:50,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:44:50,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:44:50,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:44:50,262 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:44:50,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:44:50,262 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 [2024-12-05 21:44:50,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:44:50,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:44:50,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:44:50,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:44:50,499 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:44:50,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2024-12-05 21:44:53,083 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/data/7b150c953/fdd6b22468c94b7eb507e61127a39e3d/FLAG2312dd0ff [2024-12-05 21:44:53,352 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:44:53,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2024-12-05 21:44:53,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/data/7b150c953/fdd6b22468c94b7eb507e61127a39e3d/FLAG2312dd0ff [2024-12-05 21:44:53,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/data/7b150c953/fdd6b22468c94b7eb507e61127a39e3d [2024-12-05 21:44:53,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:44:53,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:44:53,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:44:53,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:44:53,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:44:53,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:44:53" (1/1) ... [2024-12-05 21:44:53,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e244c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:53, skipping insertion in model container [2024-12-05 21:44:53,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:44:53" (1/1) ... [2024-12-05 21:44:53,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:44:53,973 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31306,31319] [2024-12-05 21:44:53,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:44:54,033 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:44:54,072 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31306,31319] [2024-12-05 21:44:54,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:44:54,130 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:44:54,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:54 WrapperNode [2024-12-05 21:44:54,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:44:54,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:44:54,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:44:54,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:44:54,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:54" (1/1) ... [2024-12-05 21:44:54,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:54" (1/1) ... [2024-12-05 21:44:54,209 INFO L138 Inliner]: procedures = 179, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 2065 [2024-12-05 21:44:54,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:44:54,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:44:54,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:44:54,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:44:54,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:54" (1/1) ... [2024-12-05 21:44:54,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:54" (1/1) ... [2024-12-05 21:44:54,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:54" (1/1) ... [2024-12-05 21:44:54,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:54" (1/1) ... [2024-12-05 21:44:54,256 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:54" (1/1) ... [2024-12-05 21:44:54,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:54" (1/1) ... [2024-12-05 21:44:54,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:54" (1/1) ... [2024-12-05 21:44:54,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:54" (1/1) ... [2024-12-05 21:44:54,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:54" (1/1) ... [2024-12-05 21:44:54,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:44:54,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:44:54,296 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:44:54,296 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:44:54,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:44:54" (1/1) ... [2024-12-05 21:44:54,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:44:54,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:44:54,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:44:54,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:44:54,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 21:44:54,359 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-12-05 21:44:54,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-12-05 21:44:54,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:44:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2024-12-05 21:44:54,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2024-12-05 21:44:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:44:54,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:44:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 21:44:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:44:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:44:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:44:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:44:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 21:44:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2024-12-05 21:44:54,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2024-12-05 21:44:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:44:54,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:44:54,362 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 21:44:54,461 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:44:54,463 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:44:56,056 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 21:44:56,056 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:44:56,202 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 21:44:56,208 INFO L158 Benchmark]: Toolchain (without parser) took 2531.44ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 92.1MB in the beginning and 152.4MB in the end (delta: -60.3MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-12-05 21:44:56,208 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:44:56,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.09ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 59.1MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 21:44:56,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.03ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 50.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:44:56,209 INFO L158 Benchmark]: Boogie Preprocessor took 85.90ms. Allocated memory is still 117.4MB. Free memory was 50.3MB in the beginning and 41.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:44:56,210 INFO L158 Benchmark]: RCFGBuilder took 1909.81ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 41.2MB in the beginning and 152.4MB in the end (delta: -111.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 21:44:56,212 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.09ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 59.1MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.03ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 50.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.90ms. Allocated memory is still 117.4MB. Free memory was 50.3MB in the beginning and 41.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1909.81ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 41.2MB in the beginning and 152.4MB in the end (delta: -111.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 21:44:56,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:44:58,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:44:58,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 21:44:58,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:44:58,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:44:58,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:44:58,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:44:58,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:44:58,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:44:58,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:44:58,282 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:44:58,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:44:58,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:44:58,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:44:58,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:44:58,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:44:58,283 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:44:58,283 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:44:58,283 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:44:58,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:44:58,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:44:58,283 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:44:58,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:44:58,284 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:44:58,284 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:44:58,284 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:44:58,284 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:58,284 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:44:58,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:44:58,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:44:58,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:44:58,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:44:58,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:44:58,284 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:44:58,285 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:58,285 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:44:58,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 [2024-12-05 21:44:58,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:44:58,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:44:58,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:44:58,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:44:58,552 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:44:58,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2024-12-05 21:45:01,229 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/data/0daec05f2/25c18ddb36b24b2b96d38fe11cdd3ea4/FLAG4d8c62d8d [2024-12-05 21:45:01,443 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:45:01,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2024-12-05 21:45:01,456 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/data/0daec05f2/25c18ddb36b24b2b96d38fe11cdd3ea4/FLAG4d8c62d8d [2024-12-05 21:45:01,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/data/0daec05f2/25c18ddb36b24b2b96d38fe11cdd3ea4 [2024-12-05 21:45:01,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:45:01,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:45:01,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:45:01,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:45:01,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:45:01,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:01,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1e9453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01, skipping insertion in model container [2024-12-05 21:45:01,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:01,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:45:01,773 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31306,31319] [2024-12-05 21:45:01,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:45:01,841 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:45:01,881 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31306,31319] [2024-12-05 21:45:01,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:45:01,938 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:45:01,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01 WrapperNode [2024-12-05 21:45:01,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:45:01,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:45:01,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:45:01,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:45:01,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:01,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:02,020 INFO L138 Inliner]: procedures = 183, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 2062 [2024-12-05 21:45:02,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:45:02,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:45:02,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:45:02,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:45:02,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:02,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:02,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:02,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:02,061 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:02,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:02,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:02,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:02,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:02,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:45:02,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:45:02,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:45:02,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:45:02,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:01" (1/1) ... [2024-12-05 21:45:02,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:45:02,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:45:02,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:45:02,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:45:02,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 21:45:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-12-05 21:45:02,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-12-05 21:45:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2024-12-05 21:45:02,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2024-12-05 21:45:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:45:02,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:45:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 21:45:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:45:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:45:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:45:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 21:45:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:45:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-05 21:45:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 21:45:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2024-12-05 21:45:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2024-12-05 21:45:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:45:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:45:02,148 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 21:45:02,260 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:45:02,261 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:45:04,209 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 21:45:04,210 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:45:04,357 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 21:45:04,361 INFO L158 Benchmark]: Toolchain (without parser) took 2886.85ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 68.7MB in the beginning and 97.8MB in the end (delta: -29.2MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. [2024-12-05 21:45:04,362 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:45:04,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.69ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 58.1MB in the end (delta: 10.3MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-12-05 21:45:04,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.57ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 49.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:45:04,363 INFO L158 Benchmark]: Boogie Preprocessor took 76.80ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 39.9MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:45:04,364 INFO L158 Benchmark]: RCFGBuilder took 2261.99ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 39.9MB in the beginning and 97.8MB in the end (delta: -57.9MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2024-12-05 21:45:04,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.69ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 58.1MB in the end (delta: 10.3MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.57ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 49.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.80ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 39.9MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2261.99ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 39.9MB in the beginning and 97.8MB in the end (delta: -57.9MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 21:45:04,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e30f5ce-5a8b-4f46-beb6-62e98100ae41/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?