./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/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_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/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_619707ed-56ce-4015-b089-d3c5927b74ff/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 111430583c5cad5728291a83d9964586feec908088fcc502d1f1ab24d409725c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:28,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:28,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:07:28,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:28,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:28,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:28,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:28,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:28,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:28,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:28,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:28,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:28,458 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:28,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:28,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:28,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:28,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:28,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:28,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:28,462 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:28,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:28,464 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:28,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:28,465 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:28,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:28,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:28,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:28,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:28,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:28,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:28,469 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:28,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:28,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:28,471 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_619707ed-56ce-4015-b089-d3c5927b74ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 111430583c5cad5728291a83d9964586feec908088fcc502d1f1ab24d409725c [2023-11-19 04:07:28,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:28,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:28,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:28,810 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:28,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:28,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/08_rand_cas.i [2023-11-19 04:07:31,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:32,265 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:32,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i [2023-11-19 04:07:32,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/data/5ed318f41/0d8328895294487fa491902a874ca287/FLAG9a102eb58 [2023-11-19 04:07:32,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/data/5ed318f41/0d8328895294487fa491902a874ca287 [2023-11-19 04:07:32,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:32,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:32,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:32,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:32,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:32,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa7cf1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32, skipping insertion in model container [2023-11-19 04:07:32,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,361 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:32,694 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_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30837,30850] [2023-11-19 04:07:32,702 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_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31185,31198] [2023-11-19 04:07:32,705 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_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31448,31461] [2023-11-19 04:07:32,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:32,722 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:32,760 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_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30837,30850] [2023-11-19 04:07:32,763 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_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31185,31198] [2023-11-19 04:07:32,764 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_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31448,31461] [2023-11-19 04:07:32,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:32,803 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:07:32,803 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:07:32,811 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:32,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32 WrapperNode [2023-11-19 04:07:32,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:32,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:32,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:32,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:32,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,860 INFO L138 Inliner]: procedures = 178, calls = 38, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 133 [2023-11-19 04:07:32,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:32,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:32,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:32,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:32,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:32,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:32,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:32,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:32,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:32,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:32,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:32,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:07:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 04:07:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 04:07:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:07:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:07:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:07:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:07:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:07:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-19 04:07:32,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-19 04:07:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:32,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:32,985 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 04:07:33,156 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:33,158 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:33,383 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:33,521 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:33,521 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:07:33,523 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 04:07:33,531 INFO L158 Benchmark]: Toolchain (without parser) took 1224.96ms. Allocated memory is still 157.3MB. Free memory was 113.3MB in the beginning and 122.3MB in the end (delta: -9.1MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2023-11-19 04:07:33,549 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:33,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.40ms. Allocated memory is still 157.3MB. Free memory was 113.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 04:07:33,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.67ms. Allocated memory is still 157.3MB. Free memory was 92.3MB in the beginning and 90.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:33,551 INFO L158 Benchmark]: Boogie Preprocessor took 32.87ms. Allocated memory is still 157.3MB. Free memory was 90.2MB in the beginning and 88.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:33,552 INFO L158 Benchmark]: RCFGBuilder took 634.44ms. Allocated memory is still 157.3MB. Free memory was 88.6MB in the beginning and 122.3MB in the end (delta: -33.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 04:07:33,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.40ms. Allocated memory is still 157.3MB. Free memory was 113.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.67ms. Allocated memory is still 157.3MB. Free memory was 92.3MB in the beginning and 90.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.87ms. Allocated memory is still 157.3MB. Free memory was 90.2MB in the beginning and 88.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 634.44ms. Allocated memory is still 157.3MB. Free memory was 88.6MB in the beginning and 122.3MB in the end (delta: -33.7MB). Peak memory consumption was 25.2MB. 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 04:07:33,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/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_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/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_619707ed-56ce-4015-b089-d3c5927b74ff/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 111430583c5cad5728291a83d9964586feec908088fcc502d1f1ab24d409725c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:36,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:36,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:07:36,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:36,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:36,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:36,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:36,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:36,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:36,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:36,498 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:36,499 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:36,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:36,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:36,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:36,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:36,502 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:07:36,503 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:07:36,503 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:07:36,504 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:36,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:36,505 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:36,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:36,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:36,507 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:36,507 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:36,508 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:36,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:36,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:36,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:36,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:36,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:36,511 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:07:36,511 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:36,512 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:36,512 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:07:36,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:36,512 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_619707ed-56ce-4015-b089-d3c5927b74ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 111430583c5cad5728291a83d9964586feec908088fcc502d1f1ab24d409725c [2023-11-19 04:07:36,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:36,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:36,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:36,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:36,944 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:36,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/08_rand_cas.i [2023-11-19 04:07:40,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:40,542 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:40,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i [2023-11-19 04:07:40,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/data/da009d537/261394ce4998470898c229609d8d5235/FLAG4b9b2ceb3 [2023-11-19 04:07:40,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/data/da009d537/261394ce4998470898c229609d8d5235 [2023-11-19 04:07:40,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:40,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:40,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:40,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:40,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:40,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:40" (1/1) ... [2023-11-19 04:07:40,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148a7404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:40, skipping insertion in model container [2023-11-19 04:07:40,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:40" (1/1) ... [2023-11-19 04:07:40,686 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:41,154 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_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30837,30850] [2023-11-19 04:07:41,167 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_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31185,31198] [2023-11-19 04:07:41,173 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_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31448,31461] [2023-11-19 04:07:41,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:41,210 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:41,290 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_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30837,30850] [2023-11-19 04:07:41,293 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_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31185,31198] [2023-11-19 04:07:41,295 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_619707ed-56ce-4015-b089-d3c5927b74ff/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31448,31461] [2023-11-19 04:07:41,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:41,426 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:07:41,426 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:07:41,435 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:41,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:41 WrapperNode [2023-11-19 04:07:41,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:41,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:41,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:41,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:41,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:41" (1/1) ... [2023-11-19 04:07:41,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:41" (1/1) ... [2023-11-19 04:07:41,502 INFO L138 Inliner]: procedures = 182, calls = 38, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 131 [2023-11-19 04:07:41,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:41,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:41,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:41,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:41,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:41" (1/1) ... [2023-11-19 04:07:41,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:41" (1/1) ... [2023-11-19 04:07:41,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:41" (1/1) ... [2023-11-19 04:07:41,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:41" (1/1) ... [2023-11-19 04:07:41,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:41" (1/1) ... [2023-11-19 04:07:41,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:41" (1/1) ... [2023-11-19 04:07:41,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:41" (1/1) ... [2023-11-19 04:07:41,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:41" (1/1) ... [2023-11-19 04:07:41,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:41,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:41,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:41,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:41,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:41" (1/1) ... [2023-11-19 04:07:41,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:41,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:41,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:41,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:07:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 04:07:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 04:07:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:07:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:07:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:07:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:07:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:07:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:07:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:07:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-19 04:07:41,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-19 04:07:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:41,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:41,653 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 04:07:41,815 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:41,818 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:42,177 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:42,321 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:42,321 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:07:42,324 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 04:07:42,329 INFO L158 Benchmark]: Toolchain (without parser) took 1723.89ms. Allocated memory is still 88.1MB. Free memory was 62.6MB in the beginning and 63.3MB in the end (delta: -674.3kB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-11-19 04:07:42,329 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:42,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 828.73ms. Allocated memory is still 88.1MB. Free memory was 62.4MB in the beginning and 60.1MB in the end (delta: 2.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-19 04:07:42,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.95ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 58.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:42,332 INFO L158 Benchmark]: Boogie Preprocessor took 44.86ms. Allocated memory is still 88.1MB. Free memory was 58.0MB in the beginning and 55.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:42,333 INFO L158 Benchmark]: RCFGBuilder took 777.80ms. Allocated memory is still 88.1MB. Free memory was 55.5MB in the beginning and 63.3MB in the end (delta: -7.8MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-11-19 04:07:42,336 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 58.7MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 828.73ms. Allocated memory is still 88.1MB. Free memory was 62.4MB in the beginning and 60.1MB in the end (delta: 2.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.95ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 58.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.86ms. Allocated memory is still 88.1MB. Free memory was 58.0MB in the beginning and 55.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 777.80ms. Allocated memory is still 88.1MB. Free memory was 55.5MB in the beginning and 63.3MB in the end (delta: -7.8MB). Peak memory consumption was 28.0MB. 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 04:07:42,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619707ed-56ce-4015-b089-d3c5927b74ff/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?