./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.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_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/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_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/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_6edb6fc3-362c-4271-b029-5510bc62f448/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 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:16:15,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:16:15,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:16:15,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:16:15,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:16:15,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:16:15,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:16:15,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:16:15,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:16:15,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:16:15,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:16:15,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:16:15,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:16:15,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:16:15,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:16:15,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:16:15,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:16:15,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:16:15,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:16:15,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:16:15,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:16:15,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:16:15,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:16:15,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:16:15,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:16:15,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:16:15,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:16:15,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:16:15,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:16:15,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:16:15,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:16:15,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:16:15,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:16:15,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:16:15,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:16:15,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:16:15,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:16:15,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:16:15,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:16:15,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:16:15,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:16:15,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:16:15,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:16:15,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:16:15,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:16:15,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:16:15,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:16:15,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:16:15,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:16:15,587 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:16:15,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:16:15,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:16:15,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:16:15,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:16:15,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:16:15,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:16:15,597 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:16:15,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:16:15,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:16:15,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:16:15,598 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:16:15,598 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:16:15,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:16:15,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:16:15,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:16:15,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:16:15,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:16:15,600 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:16:15,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:16:15,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:16:15,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2021-11-23 01:16:15,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:16:15,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:16:15,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:16:15,986 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:16:15,987 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:16:15,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2021-11-23 01:16:16,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/data/d4a7f3e81/31191a2544424a39b3c3d51272b3b9ee/FLAGe9784a106 [2021-11-23 01:16:16,807 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:16:16,808 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2021-11-23 01:16:16,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/data/d4a7f3e81/31191a2544424a39b3c3d51272b3b9ee/FLAGe9784a106 [2021-11-23 01:16:17,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/data/d4a7f3e81/31191a2544424a39b3c3d51272b3b9ee [2021-11-23 01:16:17,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:16:17,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:16:17,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:16:17,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:16:17,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:16:17,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:16:17" (1/1) ... [2021-11-23 01:16:17,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc04e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:17, skipping insertion in model container [2021-11-23 01:16:17,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:16:17" (1/1) ... [2021-11-23 01:16:17,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:16:17,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:16:17,395 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 01:16:17,784 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_6edb6fc3-362c-4271-b029-5510bc62f448/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2021-11-23 01:16:17,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:16:17,846 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:16:17,878 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 01:16:17,909 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_6edb6fc3-362c-4271-b029-5510bc62f448/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2021-11-23 01:16:17,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:16:18,033 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:16:18,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:18 WrapperNode [2021-11-23 01:16:18,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:16:18,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:16:18,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:16:18,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:16:18,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:18" (1/1) ... [2021-11-23 01:16:18,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:18" (1/1) ... [2021-11-23 01:16:18,124 INFO L137 Inliner]: procedures = 325, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2021-11-23 01:16:18,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:16:18,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:16:18,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:16:18,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:16:18,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:18" (1/1) ... [2021-11-23 01:16:18,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:18" (1/1) ... [2021-11-23 01:16:18,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:18" (1/1) ... [2021-11-23 01:16:18,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:18" (1/1) ... [2021-11-23 01:16:18,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:18" (1/1) ... [2021-11-23 01:16:18,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:18" (1/1) ... [2021-11-23 01:16:18,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:18" (1/1) ... [2021-11-23 01:16:18,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:16:18,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:16:18,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:16:18,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:16:18,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:18" (1/1) ... [2021-11-23 01:16:18,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:16:18,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:16:18,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:16:18,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:16:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:16:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:16:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:16:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:16:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:16:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-11-23 01:16:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-11-23 01:16:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:16:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:16:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:16:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:16:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:16:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:16:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:16:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:16:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:16:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:16:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:16:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:16:18,295 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 01:16:18,479 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:16:18,497 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:16:18,857 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:16:18,867 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:16:18,871 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:16:18,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:16:18 BoogieIcfgContainer [2021-11-23 01:16:18,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:16:18,878 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:16:18,878 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:16:18,890 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:16:18,890 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:16:18" (1/1) ... [2021-11-23 01:16:18,891 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 01:16:18,898 INFO L158 Benchmark]: Toolchain (without parser) took 1882.19ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 54.5MB in the beginning and 53.7MB in the end (delta: 776.6kB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2021-11-23 01:16:18,899 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:16:18,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1006.21ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 54.3MB in the beginning and 73.7MB in the end (delta: -19.4MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-11-23 01:16:18,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.19ms. Allocated memory is still 125.8MB. Free memory was 73.7MB in the beginning and 71.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:16:18,904 INFO L158 Benchmark]: Boogie Preprocessor took 77.86ms. Allocated memory is still 125.8MB. Free memory was 71.0MB in the beginning and 69.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:16:18,906 INFO L158 Benchmark]: RCFGBuilder took 672.53ms. Allocated memory is still 125.8MB. Free memory was 69.5MB in the beginning and 54.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:16:18,908 INFO L158 Benchmark]: CodeCheck took 16.65ms. Allocated memory is still 125.8MB. Free memory was 54.8MB in the beginning and 53.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:16:18,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1006.21ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 54.3MB in the beginning and 73.7MB in the end (delta: -19.4MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.19ms. Allocated memory is still 125.8MB. Free memory was 73.7MB in the beginning and 71.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.86ms. Allocated memory is still 125.8MB. Free memory was 71.0MB in the beginning and 69.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.53ms. Allocated memory is still 125.8MB. Free memory was 69.5MB in the beginning and 54.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 16.65ms. Allocated memory is still 125.8MB. Free memory was 54.8MB in the beginning and 53.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:16:18,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/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_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/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_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/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_6edb6fc3-362c-4271-b029-5510bc62f448/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 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:16:21,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:16:21,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:16:21,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:16:21,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:16:21,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:16:21,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:16:21,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:16:21,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:16:21,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:16:21,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:16:21,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:16:21,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:16:21,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:16:21,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:16:21,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:16:21,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:16:21,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:16:21,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:16:21,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:16:21,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:16:21,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:16:21,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:16:21,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:16:21,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:16:21,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:16:21,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:16:21,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:16:21,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:16:21,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:16:21,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:16:21,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:16:21,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:16:21,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:16:21,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:16:21,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:16:21,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:16:21,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:16:21,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:16:21,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:16:21,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:16:21,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:16:21,989 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:16:21,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:16:21,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:16:21,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:16:21,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:16:21,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:16:21,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:16:21,994 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:16:21,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:16:21,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:16:21,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:16:21,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:16:21,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:16:21,997 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:16:21,997 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:16:21,997 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:16:21,997 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:16:21,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:16:21,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:16:21,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:16:21,998 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:16:21,998 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:16:21,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:16:21,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:16:21,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:16:21,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:16:22,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:16:22,000 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:16:22,000 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:16:22,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:16:22,000 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:16:22,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:16:22,001 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_6edb6fc3-362c-4271-b029-5510bc62f448/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2021-11-23 01:16:22,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:16:22,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:16:22,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:16:22,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:16:22,495 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:16:22,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2021-11-23 01:16:22,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/data/e7be31e53/48785d0a755f45c28f7243cb90cb61d2/FLAGf4b03ecd4 [2021-11-23 01:16:23,289 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:16:23,289 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2021-11-23 01:16:23,318 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/data/e7be31e53/48785d0a755f45c28f7243cb90cb61d2/FLAGf4b03ecd4 [2021-11-23 01:16:23,507 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/data/e7be31e53/48785d0a755f45c28f7243cb90cb61d2 [2021-11-23 01:16:23,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:16:23,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:16:23,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:16:23,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:16:23,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:16:23,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:16:23" (1/1) ... [2021-11-23 01:16:23,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf456a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:23, skipping insertion in model container [2021-11-23 01:16:23,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:16:23" (1/1) ... [2021-11-23 01:16:23,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:16:23,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:16:23,824 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 01:16:24,257 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_6edb6fc3-362c-4271-b029-5510bc62f448/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2021-11-23 01:16:24,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:16:24,326 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:16:24,348 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 01:16:24,381 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_6edb6fc3-362c-4271-b029-5510bc62f448/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2021-11-23 01:16:24,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:16:24,527 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:16:24,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:24 WrapperNode [2021-11-23 01:16:24,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:16:24,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:16:24,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:16:24,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:16:24,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:24" (1/1) ... [2021-11-23 01:16:24,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:24" (1/1) ... [2021-11-23 01:16:24,593 INFO L137 Inliner]: procedures = 328, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2021-11-23 01:16:24,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:16:24,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:16:24,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:16:24,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:16:24,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:24" (1/1) ... [2021-11-23 01:16:24,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:24" (1/1) ... [2021-11-23 01:16:24,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:24" (1/1) ... [2021-11-23 01:16:24,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:24" (1/1) ... [2021-11-23 01:16:24,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:24" (1/1) ... [2021-11-23 01:16:24,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:24" (1/1) ... [2021-11-23 01:16:24,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:24" (1/1) ... [2021-11-23 01:16:24,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:16:24,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:16:24,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:16:24,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:16:24,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:24" (1/1) ... [2021-11-23 01:16:24,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:16:24,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:16:24,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:16:24,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:16:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 01:16:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:16:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:16:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:16:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 01:16:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:16:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:16:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:16:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:16:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-11-23 01:16:24,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-11-23 01:16:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:16:24,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:16:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:16:24,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:16:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:16:24,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:16:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:16:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:16:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:16:24,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:16:24,790 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 01:16:25,028 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:16:25,030 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:16:25,421 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:16:25,456 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:16:25,457 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:16:25,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:16:25 BoogieIcfgContainer [2021-11-23 01:16:25,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:16:25,461 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:16:25,461 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:16:25,473 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:16:25,474 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:16:25" (1/1) ... [2021-11-23 01:16:25,475 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 01:16:25,480 INFO L158 Benchmark]: Toolchain (without parser) took 1966.82ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 38.3MB in the beginning and 54.2MB in the end (delta: -15.9MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2021-11-23 01:16:25,482 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 42.0MB in the beginning and 42.0MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:16:25,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1016.11ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 38.0MB in the beginning and 55.4MB in the end (delta: -17.4MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2021-11-23 01:16:25,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.42ms. Allocated memory is still 77.6MB. Free memory was 55.4MB in the beginning and 52.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:16:25,486 INFO L158 Benchmark]: Boogie Preprocessor took 84.54ms. Allocated memory is still 77.6MB. Free memory was 52.9MB in the beginning and 51.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:16:25,487 INFO L158 Benchmark]: RCFGBuilder took 768.62ms. Allocated memory is still 77.6MB. Free memory was 50.9MB in the beginning and 55.0MB in the end (delta: -4.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-23 01:16:25,488 INFO L158 Benchmark]: CodeCheck took 16.02ms. Allocated memory is still 77.6MB. Free memory was 55.0MB in the beginning and 54.2MB in the end (delta: 815.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:16:25,498 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 42.0MB in the beginning and 42.0MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1016.11ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 38.0MB in the beginning and 55.4MB in the end (delta: -17.4MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.42ms. Allocated memory is still 77.6MB. Free memory was 55.4MB in the beginning and 52.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.54ms. Allocated memory is still 77.6MB. Free memory was 52.9MB in the beginning and 51.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 768.62ms. Allocated memory is still 77.6MB. Free memory was 50.9MB in the beginning and 55.0MB in the end (delta: -4.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * CodeCheck took 16.02ms. Allocated memory is still 77.6MB. Free memory was 55.0MB in the beginning and 54.2MB in the end (delta: 815.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:16:25,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb6fc3-362c-4271-b029-5510bc62f448/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: Concurrent programs are currently unsupported