./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/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_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/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_9520d57f-4281-479a-b977-f404da98d7cb/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 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 --- 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 16:30:10,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:10,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:10,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:10,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:10,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:10,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:10,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:10,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:10,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:10,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:10,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:10,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:10,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:10,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:10,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:10,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:10,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:10,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:10,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:10,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:10,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:10,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:10,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:10,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:10,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:10,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:10,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:10,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:10,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:10,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:10,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:10,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:10,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:10,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:10,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:10,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:10,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:10,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:10,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:10,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:10,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:30:10,537 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:10,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:10,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:10,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:10,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:10,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:10,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:10,543 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:10,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:10,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:10,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:10,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:10,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:10,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:10,545 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:10,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:10,546 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:10,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:10,546 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:10,546 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:10,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:10,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:10,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:10,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:10,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:10,548 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:10,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:10,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:10,549 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_9520d57f-4281-479a-b977-f404da98d7cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 [2022-10-17 16:30:10,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:10,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:10,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:10,878 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:10,879 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:10,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2022-10-17 16:30:10,948 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/data/649c912d3/22ce98c1df0a4f30b626f6b082cc3796/FLAG0e1832040 [2022-10-17 16:30:11,525 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:11,526 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2022-10-17 16:30:11,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/data/649c912d3/22ce98c1df0a4f30b626f6b082cc3796/FLAG0e1832040 [2022-10-17 16:30:11,774 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/data/649c912d3/22ce98c1df0a4f30b626f6b082cc3796 [2022-10-17 16:30:11,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:11,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:11,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:11,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:11,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:11,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58315783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11, skipping insertion in model container [2022-10-17 16:30:11,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:11,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:12,340 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_9520d57f-4281-479a-b977-f404da98d7cb/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2022-10-17 16:30:12,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:12,373 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:12,442 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_9520d57f-4281-479a-b977-f404da98d7cb/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2022-10-17 16:30:12,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:12,513 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:12,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:12 WrapperNode [2022-10-17 16:30:12,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:12,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:12,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:12,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:12,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:12" (1/1) ... [2022-10-17 16:30:12,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:12" (1/1) ... [2022-10-17 16:30:12,604 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 147 [2022-10-17 16:30:12,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:12,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:12,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:12,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:12,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:12" (1/1) ... [2022-10-17 16:30:12,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:12" (1/1) ... [2022-10-17 16:30:12,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:12" (1/1) ... [2022-10-17 16:30:12,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:12" (1/1) ... [2022-10-17 16:30:12,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:12" (1/1) ... [2022-10-17 16:30:12,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:12" (1/1) ... [2022-10-17 16:30:12,662 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:12" (1/1) ... [2022-10-17 16:30:12,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:12" (1/1) ... [2022-10-17 16:30:12,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:12,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:12,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:12,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:12,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:12" (1/1) ... [2022-10-17 16:30:12,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:12,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:12,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:12,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:30:12,783 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-10-17 16:30:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-10-17 16:30:12,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:30:12,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-10-17 16:30:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-10-17 16:30:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:30:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:30:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:30:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:30:12,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:12,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-10-17 16:30:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-10-17 16:30:12,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:12,788 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 16:30:12,946 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:12,948 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:13,336 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:13,474 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:13,474 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:30:13,475 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 16:30:13,476 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 16:30:13,481 INFO L158 Benchmark]: Toolchain (without parser) took 1698.99ms. Allocated memory was 90.2MB in the beginning and 123.7MB in the end (delta: 33.6MB). Free memory was 50.6MB in the beginning and 55.2MB in the end (delta: -4.7MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2022-10-17 16:30:13,482 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 68.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:30:13,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.11ms. Allocated memory was 90.2MB in the beginning and 123.7MB in the end (delta: 33.6MB). Free memory was 50.4MB in the beginning and 86.1MB in the end (delta: -35.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:30:13,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.35ms. Allocated memory is still 123.7MB. Free memory was 86.1MB in the beginning and 83.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:30:13,492 INFO L158 Benchmark]: Boogie Preprocessor took 73.27ms. Allocated memory is still 123.7MB. Free memory was 83.5MB in the beginning and 81.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:30:13,493 INFO L158 Benchmark]: RCFGBuilder took 799.31ms. Allocated memory is still 123.7MB. Free memory was 81.9MB in the beginning and 55.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-10-17 16:30:13,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 68.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.11ms. Allocated memory was 90.2MB in the beginning and 123.7MB in the end (delta: 33.6MB). Free memory was 50.4MB in the beginning and 86.1MB in the end (delta: -35.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.35ms. Allocated memory is still 123.7MB. Free memory was 86.1MB in the beginning and 83.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.27ms. Allocated memory is still 123.7MB. Free memory was 83.5MB in the beginning and 81.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 799.31ms. Allocated memory is still 123.7MB. Free memory was 81.9MB in the beginning and 55.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. 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 16:30:13,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/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_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/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_9520d57f-4281-479a-b977-f404da98d7cb/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 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 --- 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 16:30:16,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:16,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:16,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:16,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:16,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:16,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:16,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:16,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:16,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:16,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:16,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:16,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:16,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:16,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:16,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:16,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:16,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:16,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:16,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:16,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:16,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:16,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:16,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:16,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:16,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:16,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:16,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:16,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:16,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:16,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:16,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:16,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:16,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:16,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:16,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:16,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:16,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:16,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:16,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:16,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:16,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:30:16,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:16,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:16,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:16,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:16,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:16,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:16,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:16,251 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:16,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:16,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:16,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:16,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:16,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:16,253 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:30:16,253 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:30:16,253 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:30:16,253 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:16,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:16,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:16,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:16,254 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:16,254 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:16,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:16,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:16,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:16,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:16,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:16,255 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:30:16,256 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:30:16,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:16,256 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:30:16,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:30:16,257 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_9520d57f-4281-479a-b977-f404da98d7cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 [2022-10-17 16:30:16,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:16,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:16,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:16,665 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:16,666 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:16,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2022-10-17 16:30:16,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/data/f2e191143/238ccdd8755448e0abd755d9f9b26a90/FLAGd6397efcc [2022-10-17 16:30:17,386 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:17,386 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2022-10-17 16:30:17,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/data/f2e191143/238ccdd8755448e0abd755d9f9b26a90/FLAGd6397efcc [2022-10-17 16:30:17,703 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/data/f2e191143/238ccdd8755448e0abd755d9f9b26a90 [2022-10-17 16:30:17,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:17,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:17,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:17,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:17,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:17,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:17" (1/1) ... [2022-10-17 16:30:17,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c33774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:17, skipping insertion in model container [2022-10-17 16:30:17,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:17" (1/1) ... [2022-10-17 16:30:17,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:17,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:18,262 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_9520d57f-4281-479a-b977-f404da98d7cb/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2022-10-17 16:30:18,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:18,287 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:18,343 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_9520d57f-4281-479a-b977-f404da98d7cb/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2022-10-17 16:30:18,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:18,396 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:18,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:18 WrapperNode [2022-10-17 16:30:18,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:18,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:18,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:18,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:18,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:18" (1/1) ... [2022-10-17 16:30:18,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:18" (1/1) ... [2022-10-17 16:30:18,472 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 144 [2022-10-17 16:30:18,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:18,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:18,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:18,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:18,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:18" (1/1) ... [2022-10-17 16:30:18,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:18" (1/1) ... [2022-10-17 16:30:18,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:18" (1/1) ... [2022-10-17 16:30:18,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:18" (1/1) ... [2022-10-17 16:30:18,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:18" (1/1) ... [2022-10-17 16:30:18,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:18" (1/1) ... [2022-10-17 16:30:18,542 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:18" (1/1) ... [2022-10-17 16:30:18,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:18" (1/1) ... [2022-10-17 16:30:18,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:18,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:18,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:18,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:18,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:18" (1/1) ... [2022-10-17 16:30:18,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:18,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:18,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:18,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:30:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-10-17 16:30:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-10-17 16:30:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-10-17 16:30:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-10-17 16:30:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:30:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:30:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:30:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:30:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:30:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:30:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 16:30:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-10-17 16:30:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-10-17 16:30:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:18,672 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 16:30:18,894 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:18,898 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:19,333 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:19,515 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:19,516 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:30:19,516 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 16:30:19,517 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 16:30:19,525 INFO L158 Benchmark]: Toolchain (without parser) took 1815.87ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 32.7MB in the beginning and 39.2MB in the end (delta: -6.6MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2022-10-17 16:30:19,527 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:30:19,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.50ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 32.5MB in the beginning and 49.5MB in the end (delta: -17.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:30:19,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.22ms. Allocated memory is still 77.6MB. Free memory was 49.5MB in the beginning and 47.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:30:19,530 INFO L158 Benchmark]: Boogie Preprocessor took 87.60ms. Allocated memory is still 77.6MB. Free memory was 47.0MB in the beginning and 44.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:30:19,531 INFO L158 Benchmark]: RCFGBuilder took 959.84ms. Allocated memory is still 77.6MB. Free memory was 44.9MB in the beginning and 39.2MB in the end (delta: 5.7MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-10-17 16:30:19,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 688.50ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 32.5MB in the beginning and 49.5MB in the end (delta: -17.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.22ms. Allocated memory is still 77.6MB. Free memory was 49.5MB in the beginning and 47.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.60ms. Allocated memory is still 77.6MB. Free memory was 47.0MB in the beginning and 44.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 959.84ms. Allocated memory is still 77.6MB. Free memory was 44.9MB in the beginning and 39.2MB in the end (delta: 5.7MB). Peak memory consumption was 17.1MB. 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 16:30:19,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9520d57f-4281-479a-b977-f404da98d7cb/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?