./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ --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 cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:01:12,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:01:12,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:01:12,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:01:12,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:01:12,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:01:12,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:01:12,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:01:12,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:01:13,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:01:13,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:01:13,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:01:13,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:01:13,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:01:13,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:01:13,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:01:13,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:01:13,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:01:13,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:01:13,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:01:13,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:01:13,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:01:13,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:01:13,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:01:13,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:01:13,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:01:13,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:01:13,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:01:13,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:01:13,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:01:13,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:01:13,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:01:13,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:01:13,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:01:13,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:01:13,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:01:13,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:01:13,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:01:13,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:01:13,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:01:13,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:01:13,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:01:13,121 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:01:13,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:01:13,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:01:13,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:01:13,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:01:13,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:01:13,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:01:13,125 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:01:13,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:01:13,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:01:13,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:01:13,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:01:13,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:01:13,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:01:13,135 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:01:13,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:01:13,135 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:01:13,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:01:13,136 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:01:13,136 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:01:13,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:01:13,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:13,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:01:13,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:01:13,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:01:13,138 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:01:13,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:01:13,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:01:13,138 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_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d [2021-11-23 01:01:13,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:01:13,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:01:13,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:01:13,521 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:01:13,522 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:01:13,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2021-11-23 01:01:13,627 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/data/941dc7d6e/e29f746a6c7d4903b1403239cf292296/FLAG72f794c77 [2021-11-23 01:01:14,375 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:01:14,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2021-11-23 01:01:14,396 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/data/941dc7d6e/e29f746a6c7d4903b1403239cf292296/FLAG72f794c77 [2021-11-23 01:01:14,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/data/941dc7d6e/e29f746a6c7d4903b1403239cf292296 [2021-11-23 01:01:14,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:01:14,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:01:14,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:14,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:01:14,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:01:14,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:14" (1/1) ... [2021-11-23 01:01:14,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71302358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:14, skipping insertion in model container [2021-11-23 01:01:14,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:14" (1/1) ... [2021-11-23 01:01:14,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:01:14,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:01:15,207 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_45f0bd53-a332-44ee-9643-504933a52c1d/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31163,31176] [2021-11-23 01:01:15,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:15,243 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:01:15,306 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_45f0bd53-a332-44ee-9643-504933a52c1d/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31163,31176] [2021-11-23 01:01:15,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:15,387 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:01:15,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:15 WrapperNode [2021-11-23 01:01:15,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:15,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:15,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:01:15,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:01:15,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:15" (1/1) ... [2021-11-23 01:01:15,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:15" (1/1) ... [2021-11-23 01:01:15,492 INFO L137 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 147 [2021-11-23 01:01:15,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:15,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:01:15,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:01:15,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:01:15,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:15" (1/1) ... [2021-11-23 01:01:15,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:15" (1/1) ... [2021-11-23 01:01:15,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:15" (1/1) ... [2021-11-23 01:01:15,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:15" (1/1) ... [2021-11-23 01:01:15,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:15" (1/1) ... [2021-11-23 01:01:15,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:15" (1/1) ... [2021-11-23 01:01:15,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:15" (1/1) ... [2021-11-23 01:01:15,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:01:15,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:01:15,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:01:15,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:01:15,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:15" (1/1) ... [2021-11-23 01:01:15,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:15,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:01:15,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:01:15,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:01:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:01:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 01:01:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 01:01:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:01:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 01:01:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 01:01:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:01:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:01:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:01:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:01:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:01:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:01:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 01:01:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 01:01:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:01:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:01:15,671 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:01:15,855 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:01:15,872 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:01:16,265 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:01:16,386 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:01:16,386 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:01:16,387 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2021-11-23 01:01:16,388 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:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java: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) [2021-11-23 01:01:16,393 INFO L158 Benchmark]: Toolchain (without parser) took 1798.57ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 51.3MB in the end (delta: 25.5MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-11-23 01:01:16,393 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:01:16,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.30ms. Allocated memory is still 113.2MB. Free memory was 76.6MB in the beginning and 76.5MB in the end (delta: 171.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:01:16,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.49ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 74.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:01:16,396 INFO L158 Benchmark]: Boogie Preprocessor took 74.85ms. Allocated memory is still 113.2MB. Free memory was 74.4MB in the beginning and 72.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:01:16,397 INFO L158 Benchmark]: RCFGBuilder took 816.88ms. Allocated memory is still 113.2MB. Free memory was 72.3MB in the beginning and 51.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 01:01:16,401 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 77.6MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.30ms. Allocated memory is still 113.2MB. Free memory was 76.6MB in the beginning and 76.5MB in the end (delta: 171.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.49ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 74.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.85ms. Allocated memory is still 113.2MB. Free memory was 74.4MB in the beginning and 72.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 816.88ms. Allocated memory is still 113.2MB. Free memory was 72.3MB in the beginning and 51.3MB in the end (delta: 21.0MB). 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:01:16,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/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_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ --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 cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:01:19,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:01:19,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:01:19,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:01:19,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:01:19,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:01:19,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:01:19,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:01:19,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:01:19,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:01:19,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:01:19,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:01:19,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:01:19,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:01:19,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:01:19,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:01:19,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:01:19,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:01:19,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:01:19,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:01:19,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:01:19,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:01:19,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:01:19,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:01:19,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:01:19,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:01:19,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:01:19,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:01:19,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:01:19,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:01:19,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:01:19,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:01:19,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:01:19,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:01:19,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:01:19,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:01:19,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:01:19,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:01:19,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:01:19,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:01:19,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:01:19,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:01:19,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:01:19,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:01:19,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:01:19,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:01:19,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:01:19,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:01:19,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:01:19,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:01:19,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:01:19,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:01:19,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:01:19,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:01:19,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:01:19,473 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:01:19,473 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:01:19,473 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:01:19,473 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:01:19,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:01:19,474 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:01:19,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:01:19,474 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:01:19,474 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:01:19,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:01:19,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:19,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:01:19,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:01:19,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:01:19,475 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:01:19,476 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:01:19,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:01:19,476 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:01:19,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:01:19,476 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_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d [2021-11-23 01:01:19,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:01:20,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:01:20,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:01:20,016 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:01:20,017 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:01:20,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2021-11-23 01:01:20,109 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/data/d62ebbaa9/9291e64998114fc0a8b89ab0b80e6ea1/FLAGeae4d3827 [2021-11-23 01:01:20,825 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:01:20,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2021-11-23 01:01:20,849 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/data/d62ebbaa9/9291e64998114fc0a8b89ab0b80e6ea1/FLAGeae4d3827 [2021-11-23 01:01:21,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/data/d62ebbaa9/9291e64998114fc0a8b89ab0b80e6ea1 [2021-11-23 01:01:21,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:01:21,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:01:21,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:21,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:01:21,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:01:21,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:21" (1/1) ... [2021-11-23 01:01:21,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454d680e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:21, skipping insertion in model container [2021-11-23 01:01:21,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:21" (1/1) ... [2021-11-23 01:01:21,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:01:21,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:01:21,776 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_45f0bd53-a332-44ee-9643-504933a52c1d/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31163,31176] [2021-11-23 01:01:21,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:21,815 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:01:21,906 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_45f0bd53-a332-44ee-9643-504933a52c1d/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31163,31176] [2021-11-23 01:01:21,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:21,972 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:01:21,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:21 WrapperNode [2021-11-23 01:01:21,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:21,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:21,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:01:21,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:01:21,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:21" (1/1) ... [2021-11-23 01:01:22,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:21" (1/1) ... [2021-11-23 01:01:22,035 INFO L137 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 144 [2021-11-23 01:01:22,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:22,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:01:22,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:01:22,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:01:22,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:21" (1/1) ... [2021-11-23 01:01:22,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:21" (1/1) ... [2021-11-23 01:01:22,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:21" (1/1) ... [2021-11-23 01:01:22,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:21" (1/1) ... [2021-11-23 01:01:22,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:21" (1/1) ... [2021-11-23 01:01:22,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:21" (1/1) ... [2021-11-23 01:01:22,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:21" (1/1) ... [2021-11-23 01:01:22,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:01:22,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:01:22,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:01:22,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:01:22,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:21" (1/1) ... [2021-11-23 01:01:22,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:22,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:01:22,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:01:22,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:01:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:01:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 01:01:22,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 01:01:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 01:01:22,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 01:01:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:01:22,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:01:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:01:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:01:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:01:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:01:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:01:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 01:01:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 01:01:22,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 01:01:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:01:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:01:22,234 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:01:22,467 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:01:22,470 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:01:22,813 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:01:22,943 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:01:22,943 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:01:22,944 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2021-11-23 01:01:22,946 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:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java: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) [2021-11-23 01:01:22,950 INFO L158 Benchmark]: Toolchain (without parser) took 1860.71ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 41.7MB in the beginning and 56.1MB in the end (delta: -14.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 01:01:22,951 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:01:22,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 883.14ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 35.6MB in the end (delta: 5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:01:22,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.00ms. Allocated memory is still 62.9MB. Free memory was 35.4MB in the beginning and 33.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:01:22,954 INFO L158 Benchmark]: Boogie Preprocessor took 63.71ms. Allocated memory is still 62.9MB. Free memory was 33.0MB in the beginning and 31.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:01:22,955 INFO L158 Benchmark]: RCFGBuilder took 839.75ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 31.2MB in the beginning and 56.1MB in the end (delta: -24.9MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-11-23 01:01:22,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 883.14ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 35.6MB in the end (delta: 5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.00ms. Allocated memory is still 62.9MB. Free memory was 35.4MB in the beginning and 33.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.71ms. Allocated memory is still 62.9MB. Free memory was 33.0MB in the beginning and 31.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 839.75ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 31.2MB in the beginning and 56.1MB in the end (delta: -24.9MB). Peak memory consumption was 8.2MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:01:23,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f0bd53-a332-44ee-9643-504933a52c1d/bin/ukojak-LBtLqBUTdQ/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?