./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/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_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/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_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:32:07,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:32:07,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:32:07,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:32:07,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:32:07,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:32:07,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:32:07,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:32:07,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:32:07,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:32:07,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:32:07,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:32:07,890 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:32:07,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:32:07,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:32:07,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:32:07,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:32:07,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:32:07,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:32:07,893 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:32:07,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:32:07,894 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:32:07,895 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:32:07,895 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:32:07,896 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:32:07,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:32:07,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:32:07,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:32:07,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:32:07,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:32:07,898 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:32:07,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:32:07,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:32:07,899 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_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea [2023-12-02 23:32:08,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:32:08,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:32:08,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:32:08,149 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:32:08,149 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:32:08,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-12-02 23:32:10,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:32:11,160 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:32:11,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-12-02 23:32:11,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/data/bf563096a/981e8d0ac1e645299b65ed7927dd1524/FLAG155648719 [2023-12-02 23:32:11,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/data/bf563096a/981e8d0ac1e645299b65ed7927dd1524 [2023-12-02 23:32:11,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:32:11,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:32:11,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:32:11,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:32:11,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:32:11,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:32:11" (1/1) ... [2023-12-02 23:32:11,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51acbf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:11, skipping insertion in model container [2023-12-02 23:32:11,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:32:11" (1/1) ... [2023-12-02 23:32:11,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:32:11,599 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31309,31322] [2023-12-02 23:32:11,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:32:11,619 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:32:11,661 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31309,31322] [2023-12-02 23:32:11,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:32:11,697 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:32:11,697 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:32:11,704 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:32:11,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:11 WrapperNode [2023-12-02 23:32:11,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:32:11,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:32:11,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:32:11,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:32:11,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:11" (1/1) ... [2023-12-02 23:32:11,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:11" (1/1) ... [2023-12-02 23:32:11,754 INFO L138 Inliner]: procedures = 179, calls = 49, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 149 [2023-12-02 23:32:11,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:32:11,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:32:11,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:32:11,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:32:11,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:11" (1/1) ... [2023-12-02 23:32:11,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:11" (1/1) ... [2023-12-02 23:32:11,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:11" (1/1) ... [2023-12-02 23:32:11,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:11" (1/1) ... [2023-12-02 23:32:11,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:11" (1/1) ... [2023-12-02 23:32:11,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:11" (1/1) ... [2023-12-02 23:32:11,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:11" (1/1) ... [2023-12-02 23:32:11,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:11" (1/1) ... [2023-12-02 23:32:11,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:32:11,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:32:11,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:32:11,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:32:11,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:11" (1/1) ... [2023-12-02 23:32:11,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:32:11,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:32:11,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:32:11,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:32:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:32:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-02 23:32:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-02 23:32:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:32:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-12-02 23:32:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-12-02 23:32:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:32:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:32:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:32:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:32:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:32:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:32:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:32:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:32:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-12-02 23:32:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-12-02 23:32:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:32:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:32:11,876 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:32:12,028 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:32:12,031 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:32:12,301 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:32:12,394 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) [2023-12-02 23:32:12,399 INFO L158 Benchmark]: Toolchain (without parser) took 1201.54ms. Allocated memory is still 172.0MB. Free memory was 135.2MB in the beginning and 81.2MB in the end (delta: 54.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-12-02 23:32:12,400 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:32:12,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.17ms. Allocated memory is still 172.0MB. Free memory was 135.2MB in the beginning and 114.0MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 23:32:12,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.66ms. Allocated memory is still 172.0MB. Free memory was 114.0MB in the beginning and 111.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:32:12,402 INFO L158 Benchmark]: Boogie Preprocessor took 34.47ms. Allocated memory is still 172.0MB. Free memory was 111.5MB in the beginning and 110.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:32:12,403 INFO L158 Benchmark]: RCFGBuilder took 606.90ms. Allocated memory is still 172.0MB. Free memory was 110.0MB in the beginning and 81.2MB in the end (delta: 28.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 23:32:12,405 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.17ms. Allocated memory is still 172.0MB. Free memory was 135.2MB in the beginning and 114.0MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.66ms. Allocated memory is still 172.0MB. Free memory was 114.0MB in the beginning and 111.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.47ms. Allocated memory is still 172.0MB. Free memory was 111.5MB in the beginning and 110.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 606.90ms. Allocated memory is still 172.0MB. Free memory was 110.0MB in the beginning and 81.2MB in the end (delta: 28.8MB). Peak memory consumption was 27.3MB. 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. [2023-12-02 23:32:12,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/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_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/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_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/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_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:32:14,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:32:14,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:32:14,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:32:14,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:32:14,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:32:14,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:32:14,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:32:14,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:32:14,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:32:14,499 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:32:14,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:32:14,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:32:14,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:32:14,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:32:14,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:32:14,503 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:32:14,504 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:32:14,504 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:32:14,505 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:32:14,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:32:14,506 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:32:14,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:32:14,507 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:32:14,508 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:32:14,508 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:32:14,508 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:32:14,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:32:14,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:32:14,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:32:14,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:32:14,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:32:14,511 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:32:14,512 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:32:14,512 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:32:14,512 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:32:14,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:32:14,513 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_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea [2023-12-02 23:32:14,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:32:14,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:32:14,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:32:14,854 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:32:14,854 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:32:14,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-12-02 23:32:17,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:32:18,021 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:32:18,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-12-02 23:32:18,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/data/40194610a/944e54427878438a9bd1d4069ffe0d11/FLAG6e4e5192a [2023-12-02 23:32:18,054 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/data/40194610a/944e54427878438a9bd1d4069ffe0d11 [2023-12-02 23:32:18,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:32:18,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:32:18,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:32:18,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:32:18,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:32:18,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:32:18" (1/1) ... [2023-12-02 23:32:18,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f04ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:18, skipping insertion in model container [2023-12-02 23:32:18,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:32:18" (1/1) ... [2023-12-02 23:32:18,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:32:18,498 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31309,31322] [2023-12-02 23:32:18,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:32:18,525 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:32:18,599 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31309,31322] [2023-12-02 23:32:18,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:32:18,644 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:32:18,645 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:32:18,650 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:32:18,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:18 WrapperNode [2023-12-02 23:32:18,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:32:18,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:32:18,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:32:18,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:32:18,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:18" (1/1) ... [2023-12-02 23:32:18,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:18" (1/1) ... [2023-12-02 23:32:18,700 INFO L138 Inliner]: procedures = 183, calls = 49, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 146 [2023-12-02 23:32:18,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:32:18,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:32:18,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:32:18,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:32:18,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:18" (1/1) ... [2023-12-02 23:32:18,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:18" (1/1) ... [2023-12-02 23:32:18,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:18" (1/1) ... [2023-12-02 23:32:18,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:18" (1/1) ... [2023-12-02 23:32:18,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:18" (1/1) ... [2023-12-02 23:32:18,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:18" (1/1) ... [2023-12-02 23:32:18,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:18" (1/1) ... [2023-12-02 23:32:18,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:18" (1/1) ... [2023-12-02 23:32:18,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:32:18,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:32:18,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:32:18,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:32:18,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:18" (1/1) ... [2023-12-02 23:32:18,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:32:18,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:32:18,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:32:18,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:32:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:32:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-02 23:32:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-02 23:32:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-12-02 23:32:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-12-02 23:32:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:32:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:32:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:32:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:32:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:32:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:32:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:32:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:32:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 23:32:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:32:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-12-02 23:32:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-12-02 23:32:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:32:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:32:18,819 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:32:18,955 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:32:18,956 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:32:19,239 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:32:19,360 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) [2023-12-02 23:32:19,364 INFO L158 Benchmark]: Toolchain (without parser) took 1305.70ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 36.1MB in the end (delta: 19.0MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-12-02 23:32:19,365 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:32:19,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.99ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 51.0MB in the end (delta: 4.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-12-02 23:32:19,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.75ms. Allocated memory is still 79.7MB. Free memory was 51.0MB in the beginning and 48.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:32:19,367 INFO L158 Benchmark]: Boogie Preprocessor took 36.59ms. Allocated memory is still 79.7MB. Free memory was 48.4MB in the beginning and 46.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:32:19,367 INFO L158 Benchmark]: RCFGBuilder took 624.07ms. Allocated memory is still 79.7MB. Free memory was 46.3MB in the beginning and 36.1MB in the end (delta: 10.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-12-02 23:32:19,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.99ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 51.0MB in the end (delta: 4.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.75ms. Allocated memory is still 79.7MB. Free memory was 51.0MB in the beginning and 48.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.59ms. Allocated memory is still 79.7MB. Free memory was 48.4MB in the beginning and 46.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 624.07ms. Allocated memory is still 79.7MB. Free memory was 46.3MB in the beginning and 36.1MB in the end (delta: 10.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:32:19,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358b2e26-a65a-4cc1-b2a6-a44451cce6e6/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?