./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --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 fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:07:24,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:07:24,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:07:24,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:07:24,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:07:24,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:07:24,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:07:24,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:07:24,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:07:24,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:07:24,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:07:24,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:07:24,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:07:24,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:07:24,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:07:24,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:07:24,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:07:24,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:07:24,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:07:24,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:07:24,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:07:24,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:07:24,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:07:24,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:07:24,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:07:24,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:07:24,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:07:24,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:07:24,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:07:24,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:07:24,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:07:24,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:07:24,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:07:24,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:07:24,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:07:24,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:07:24,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:07:24,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:07:24,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:07:24,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:07:24,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:07:24,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:07:24,588 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:07:24,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:07:24,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:07:24,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:07:24,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:07:24,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:07:24,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:07:24,592 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:07:24,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:07:24,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:07:24,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:07:24,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:07:24,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:07:24,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:07:24,595 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:07:24,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:07:24,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:07:24,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:07:24,596 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:07:24,596 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:07:24,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:07:24,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:24,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:07:24,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:07:24,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:07:24,598 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:07:24,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:07:24,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:07:24,600 INFO L138 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_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-10-17 17:07:24,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:07:24,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:07:24,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:07:24,962 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:07:24,963 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:07:24,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-10-17 17:07:25,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/data/400f4035d/27c2c3ba042f4455acb7826bb0f00cbd/FLAGe57017db0 [2022-10-17 17:07:25,640 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:07:25,641 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-10-17 17:07:25,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/data/400f4035d/27c2c3ba042f4455acb7826bb0f00cbd/FLAGe57017db0 [2022-10-17 17:07:25,979 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/data/400f4035d/27c2c3ba042f4455acb7826bb0f00cbd [2022-10-17 17:07:25,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:07:25,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:07:25,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:25,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:07:25,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:07:25,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:25" (1/1) ... [2022-10-17 17:07:25,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9df9a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:25, skipping insertion in model container [2022-10-17 17:07:26,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:25" (1/1) ... [2022-10-17 17:07:26,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:07:26,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:07:26,434 WARN L230 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_d34b499b-bd36-435e-9122-db54c87599a6/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-10-17 17:07:26,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:26,455 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:07:26,496 WARN L230 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_d34b499b-bd36-435e-9122-db54c87599a6/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-10-17 17:07:26,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:26,598 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:07:26,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:26 WrapperNode [2022-10-17 17:07:26,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:26,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:26,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:07:26,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:07:26,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:26" (1/1) ... [2022-10-17 17:07:26,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:26" (1/1) ... [2022-10-17 17:07:26,695 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 147 [2022-10-17 17:07:26,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:26,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:07:26,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:07:26,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:07:26,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:26" (1/1) ... [2022-10-17 17:07:26,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:26" (1/1) ... [2022-10-17 17:07:26,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:26" (1/1) ... [2022-10-17 17:07:26,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:26" (1/1) ... [2022-10-17 17:07:26,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:26" (1/1) ... [2022-10-17 17:07:26,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:26" (1/1) ... [2022-10-17 17:07:26,752 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:26" (1/1) ... [2022-10-17 17:07:26,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:26" (1/1) ... [2022-10-17 17:07:26,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:07:26,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:07:26,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:07:26,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:07:26,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:26" (1/1) ... [2022-10-17 17:07:26,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:26,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:07:26,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:07:26,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:07:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:07:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-10-17 17:07:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-10-17 17:07:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:07:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-10-17 17:07:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-10-17 17:07:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:07:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:07:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:07:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:07:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:07:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:07:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-10-17 17:07:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-10-17 17:07:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:07:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:07:26,853 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:07:27,027 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:07:27,030 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:07:27,442 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:07:27,616 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:07:27,617 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:07:27,618 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-10-17 17:07:27,619 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-10-17 17:07:27,631 INFO L158 Benchmark]: Toolchain (without parser) took 1641.78ms. Allocated memory is still 100.7MB. Free memory was 61.9MB in the beginning and 42.4MB in the end (delta: 19.5MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-10-17 17:07:27,631 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory was 79.6MB in the beginning and 79.6MB in the end (delta: 67.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:07:27,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.62ms. Allocated memory is still 100.7MB. Free memory was 61.7MB in the beginning and 72.9MB in the end (delta: -11.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 17:07:27,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.58ms. Allocated memory is still 100.7MB. Free memory was 72.9MB in the beginning and 70.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:27,634 INFO L158 Benchmark]: Boogie Preprocessor took 74.75ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 68.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:27,635 INFO L158 Benchmark]: RCFGBuilder took 857.70ms. Allocated memory is still 100.7MB. Free memory was 68.7MB in the beginning and 42.4MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-10-17 17:07:27,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory was 79.6MB in the beginning and 79.6MB in the end (delta: 67.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.62ms. Allocated memory is still 100.7MB. Free memory was 61.7MB in the beginning and 72.9MB in the end (delta: -11.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.58ms. Allocated memory is still 100.7MB. Free memory was 72.9MB in the beginning and 70.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.75ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 68.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 857.70ms. Allocated memory is still 100.7MB. Free memory was 68.7MB in the beginning and 42.4MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:07:27,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --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 fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:07:30,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:07:30,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:07:30,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:07:30,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:07:30,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:07:30,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:07:30,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:07:30,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:07:30,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:07:30,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:07:30,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:07:30,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:07:30,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:07:30,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:07:30,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:07:30,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:07:30,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:07:30,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:07:30,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:07:30,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:07:30,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:07:30,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:07:30,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:07:30,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:07:30,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:07:30,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:07:30,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:07:30,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:07:30,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:07:30,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:07:30,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:07:30,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:07:30,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:07:30,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:07:30,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:07:30,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:07:30,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:07:30,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:07:30,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:07:30,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:07:30,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 17:07:30,343 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:07:30,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:07:30,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:07:30,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:07:30,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:07:30,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:07:30,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:07:30,349 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:07:30,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:07:30,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:07:30,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:07:30,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:07:30,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:07:30,351 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:07:30,352 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:07:30,352 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:07:30,352 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:07:30,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:07:30,353 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:07:30,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:07:30,353 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:07:30,353 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:07:30,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:07:30,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:30,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:07:30,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:07:30,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:07:30,355 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:07:30,355 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:07:30,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:07:30,355 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 17:07:30,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:07:30,356 INFO L138 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_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-10-17 17:07:30,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:07:30,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:07:30,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:07:30,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:07:30,830 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:07:30,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-10-17 17:07:30,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/data/6e6c3447c/b4eb340d88b44b19a6497e0b0433dc5a/FLAG301d789dd [2022-10-17 17:07:31,542 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:07:31,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-10-17 17:07:31,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/data/6e6c3447c/b4eb340d88b44b19a6497e0b0433dc5a/FLAG301d789dd [2022-10-17 17:07:31,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/data/6e6c3447c/b4eb340d88b44b19a6497e0b0433dc5a [2022-10-17 17:07:31,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:07:31,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:07:31,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:31,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:07:31,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:07:31,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:31" (1/1) ... [2022-10-17 17:07:31,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4879e6ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:31, skipping insertion in model container [2022-10-17 17:07:31,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:31" (1/1) ... [2022-10-17 17:07:31,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:07:31,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:07:32,451 WARN L230 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_d34b499b-bd36-435e-9122-db54c87599a6/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-10-17 17:07:32,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:32,490 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:07:32,567 WARN L230 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_d34b499b-bd36-435e-9122-db54c87599a6/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-10-17 17:07:32,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:32,632 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:07:32,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:32 WrapperNode [2022-10-17 17:07:32,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:32,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:32,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:07:32,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:07:32,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:32" (1/1) ... [2022-10-17 17:07:32,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:32" (1/1) ... [2022-10-17 17:07:32,724 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 144 [2022-10-17 17:07:32,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:32,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:07:32,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:07:32,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:07:32,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:32" (1/1) ... [2022-10-17 17:07:32,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:32" (1/1) ... [2022-10-17 17:07:32,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:32" (1/1) ... [2022-10-17 17:07:32,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:32" (1/1) ... [2022-10-17 17:07:32,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:32" (1/1) ... [2022-10-17 17:07:32,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:32" (1/1) ... [2022-10-17 17:07:32,778 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:32" (1/1) ... [2022-10-17 17:07:32,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:32" (1/1) ... [2022-10-17 17:07:32,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:07:32,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:07:32,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:07:32,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:07:32,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:32" (1/1) ... [2022-10-17 17:07:32,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:32,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:07:32,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:07:32,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:07:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 17:07:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-10-17 17:07:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-10-17 17:07:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-10-17 17:07:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-10-17 17:07:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:07:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:07:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:07:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:07:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:07:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:07:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:07:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 17:07:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-10-17 17:07:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-10-17 17:07:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:07:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:07:32,901 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:07:33,104 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:07:33,106 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:07:33,539 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:07:33,640 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:07:33,640 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:07:33,641 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-10-17 17:07:33,642 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-10-17 17:07:33,646 INFO L158 Benchmark]: Toolchain (without parser) took 1783.41ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 29.5MB in the beginning and 38.8MB in the end (delta: -9.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-10-17 17:07:33,647 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 54.5MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:07:33,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 769.75ms. Allocated memory is still 54.5MB. Free memory was 29.4MB in the beginning and 25.7MB in the end (delta: 3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:07:33,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.02ms. Allocated memory is still 54.5MB. Free memory was 25.7MB in the beginning and 23.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:33,650 INFO L158 Benchmark]: Boogie Preprocessor took 74.44ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 23.2MB in the beginning and 52.0MB in the end (delta: -28.8MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-10-17 17:07:33,651 INFO L158 Benchmark]: RCFGBuilder took 843.02ms. Allocated memory is still 71.3MB. Free memory was 52.0MB in the beginning and 38.8MB in the end (delta: 13.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 17:07:33,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 54.5MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 769.75ms. Allocated memory is still 54.5MB. Free memory was 29.4MB in the beginning and 25.7MB in the end (delta: 3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.02ms. Allocated memory is still 54.5MB. Free memory was 25.7MB in the beginning and 23.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.44ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 23.2MB in the beginning and 52.0MB in the end (delta: -28.8MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * RCFGBuilder took 843.02ms. Allocated memory is still 71.3MB. Free memory was 52.0MB in the beginning and 38.8MB in the end (delta: 13.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:07:33,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34b499b-bd36-435e-9122-db54c87599a6/bin/ukojak-92XMlrwhuB/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?