./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL --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 f6a420ba5144c69cefe02db203552770c4018653c510d9792e57ffedc3dfc64e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:19,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:19,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:16:19,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:16:19,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:16:19,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:19,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:19,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:19,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:19,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:19,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:19,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:19,229 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:19,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:16:19,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:19,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:19,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:19,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:19,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:19,233 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:19,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:19,234 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:19,235 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:19,235 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:19,236 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:19,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:19,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:19,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:19,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:19,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:19,240 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:16:19,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:16:19,241 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:19,241 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_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6a420ba5144c69cefe02db203552770c4018653c510d9792e57ffedc3dfc64e [2023-11-19 03:16:19,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:19,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:19,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:19,624 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:19,625 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:19,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2023-11-19 03:16:22,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:23,078 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:23,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2023-11-19 03:16:23,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/data/3f6cc698c/eee66977facd4da98a7d78a861185e98/FLAG5104f5c1a [2023-11-19 03:16:23,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/data/3f6cc698c/eee66977facd4da98a7d78a861185e98 [2023-11-19 03:16:23,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:23,121 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:23,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:23,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:23,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:23,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:23" (1/1) ... [2023-11-19 03:16:23,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dc1c135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:23, skipping insertion in model container [2023-11-19 03:16:23,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:23" (1/1) ... [2023-11-19 03:16:23,188 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:23,666 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_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31305,31318] [2023-11-19 03:16:23,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:23,698 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:23,776 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_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31305,31318] [2023-11-19 03:16:23,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:23,828 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:23,828 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:23,837 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:23,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:23 WrapperNode [2023-11-19 03:16:23,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:23,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:23,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:23,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:23,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:23" (1/1) ... [2023-11-19 03:16:23,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:23" (1/1) ... [2023-11-19 03:16:23,921 INFO L138 Inliner]: procedures = 179, calls = 49, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 149 [2023-11-19 03:16:23,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:23,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:23,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:23,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:23,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:23" (1/1) ... [2023-11-19 03:16:23,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:23" (1/1) ... [2023-11-19 03:16:23,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:23" (1/1) ... [2023-11-19 03:16:23,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:23" (1/1) ... [2023-11-19 03:16:23,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:23" (1/1) ... [2023-11-19 03:16:23,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:23" (1/1) ... [2023-11-19 03:16:23,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:23" (1/1) ... [2023-11-19 03:16:24,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:23" (1/1) ... [2023-11-19 03:16:24,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:24,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:24,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:24,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:24,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:23" (1/1) ... [2023-11-19 03:16:24,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:24,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:24,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:24,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:16:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:16:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:16:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:16:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-19 03:16:24,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-19 03:16:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:16:24,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:16:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:16:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:16:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:16:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:16:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:16:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-19 03:16:24,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-19 03:16:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:24,199 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:16:24,405 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:24,408 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:24,723 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:24,862 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:24,862 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:16:24,865 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:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:16:24,870 INFO L158 Benchmark]: Toolchain (without parser) took 1747.90ms. Allocated memory is still 186.6MB. Free memory was 154.2MB in the beginning and 128.5MB in the end (delta: 25.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:16:24,871 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:16:24,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 714.80ms. Allocated memory is still 186.6MB. Free memory was 154.2MB in the beginning and 133.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:16:24,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.59ms. Allocated memory is still 186.6MB. Free memory was 133.3MB in the beginning and 131.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:16:24,873 INFO L158 Benchmark]: Boogie Preprocessor took 81.97ms. Allocated memory is still 186.6MB. Free memory was 131.2MB in the beginning and 129.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:16:24,874 INFO L158 Benchmark]: RCFGBuilder took 863.18ms. Allocated memory is still 186.6MB. Free memory was 129.1MB in the beginning and 128.5MB in the end (delta: 553.8kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:16:24,877 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 714.80ms. Allocated memory is still 186.6MB. Free memory was 154.2MB in the beginning and 133.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.59ms. Allocated memory is still 186.6MB. Free memory was 133.3MB in the beginning and 131.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.97ms. Allocated memory is still 186.6MB. Free memory was 131.2MB in the beginning and 129.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 863.18ms. Allocated memory is still 186.6MB. Free memory was 129.1MB in the beginning and 128.5MB in the end (delta: 553.8kB). Peak memory consumption was 4.2MB. 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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:16:24,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/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_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL --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 f6a420ba5144c69cefe02db203552770c4018653c510d9792e57ffedc3dfc64e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:27,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:27,939 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:16:27,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:27,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:27,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:28,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:28,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:28,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:28,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:28,009 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:28,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:28,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:28,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:28,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:28,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:28,013 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:16:28,014 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:16:28,014 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:16:28,015 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:28,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:28,016 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:28,016 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:28,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:28,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:28,018 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:16:28,018 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:16:28,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:28,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:28,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:28,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:28,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:28,022 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:16:28,022 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:16:28,023 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:28,023 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:16:28,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:16:28,023 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_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6a420ba5144c69cefe02db203552770c4018653c510d9792e57ffedc3dfc64e [2023-11-19 03:16:28,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:28,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:28,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:28,546 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:28,547 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:28,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2023-11-19 03:16:31,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:32,069 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:32,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2023-11-19 03:16:32,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/data/b94b15c14/fb7f2ed08fd945b5b618ddaf08dbbb3c/FLAG9f58dcb39 [2023-11-19 03:16:32,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/data/b94b15c14/fb7f2ed08fd945b5b618ddaf08dbbb3c [2023-11-19 03:16:32,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:32,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:32,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:32,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:32,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:32,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:32" (1/1) ... [2023-11-19 03:16:32,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@adf387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:32, skipping insertion in model container [2023-11-19 03:16:32,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:32" (1/1) ... [2023-11-19 03:16:32,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:32,728 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_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31305,31318] [2023-11-19 03:16:32,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:32,766 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:32,843 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_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31305,31318] [2023-11-19 03:16:32,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:32,915 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:32,916 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:32,924 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:32,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:32 WrapperNode [2023-11-19 03:16:32,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:32,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:32,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:32,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:32,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:32" (1/1) ... [2023-11-19 03:16:32,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:32" (1/1) ... [2023-11-19 03:16:33,016 INFO L138 Inliner]: procedures = 183, calls = 49, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 146 [2023-11-19 03:16:33,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:33,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:33,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:33,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:33,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:32" (1/1) ... [2023-11-19 03:16:33,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:32" (1/1) ... [2023-11-19 03:16:33,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:32" (1/1) ... [2023-11-19 03:16:33,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:32" (1/1) ... [2023-11-19 03:16:33,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:32" (1/1) ... [2023-11-19 03:16:33,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:32" (1/1) ... [2023-11-19 03:16:33,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:32" (1/1) ... [2023-11-19 03:16:33,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:32" (1/1) ... [2023-11-19 03:16:33,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:33,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:33,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:33,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:33,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:32" (1/1) ... [2023-11-19 03:16:33,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:33,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:33,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:33,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:16:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:16:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:16:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-19 03:16:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-19 03:16:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:16:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:16:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:16:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:16:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:16:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:16:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:16:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:16:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:16:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-19 03:16:33,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-19 03:16:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:33,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:33,197 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:16:33,361 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:33,363 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:33,830 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:34,006 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:34,007 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:16:34,009 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:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:16:34,023 INFO L158 Benchmark]: Toolchain (without parser) took 1903.21ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 41.3MB in the end (delta: 29.5MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-11-19 03:16:34,024 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory is still 34.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:16:34,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.37ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 48.7MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:16:34,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.59ms. Allocated memory is still 96.5MB. Free memory was 48.7MB in the beginning and 46.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:16:34,026 INFO L158 Benchmark]: Boogie Preprocessor took 90.65ms. Allocated memory is still 96.5MB. Free memory was 46.3MB in the beginning and 73.3MB in the end (delta: -27.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-19 03:16:34,028 INFO L158 Benchmark]: RCFGBuilder took 912.65ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 41.3MB in the end (delta: 32.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 03:16:34,033 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory is still 34.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.37ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 48.7MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.59ms. Allocated memory is still 96.5MB. Free memory was 48.7MB in the beginning and 46.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.65ms. Allocated memory is still 96.5MB. Free memory was 46.3MB in the beginning and 73.3MB in the end (delta: -27.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * RCFGBuilder took 912.65ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 41.3MB in the end (delta: 32.0MB). 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:16:34,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c501e1ba-1c6f-4510-a0be-eb5c7adb26e6/bin/ukojak-verify-G8NBE6pJGL/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?