./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:44:01,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:44:01,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:44:01,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:44:01,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:44:01,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:44:01,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:44:01,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:44:01,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:44:01,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:44:01,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:44:01,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:44:01,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:44:01,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:44:01,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:44:01,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:44:01,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:44:01,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:44:01,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:44:01,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:44:01,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:44:01,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:44:01,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:44:01,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:44:01,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:44:01,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:44:01,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:44:01,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:44:01,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:44:01,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:44:01,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:44:01,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:44:01,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:44:01,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:44:01,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:44:01,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:44:01,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:44:01,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:44:01,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:44:01,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:44:01,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:44:01,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 06:44:01,453 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:44:01,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:44:01,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:44:01,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:44:01,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:44:01,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:44:01,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:44:01,458 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:44:01,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:44:01,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:44:01,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:44:01,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:44:01,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:44:01,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:44:01,467 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:44:01,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:44:01,467 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:44:01,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:44:01,468 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:44:01,468 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:44:01,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:44:01,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:44:01,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:44:01,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:44:01,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:44:01,469 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:44:01,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:44:01,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:44:01,470 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_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2021-11-25 06:44:01,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:44:01,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:44:01,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:44:01,763 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:44:01,765 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:44:01,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/pthread/singleton.i [2021-11-25 06:44:01,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/data/13c0e5c12/f8777b4a5e124a8aa128ec349c5b345a/FLAG900ce34c2 [2021-11-25 06:44:02,416 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:44:02,418 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/sv-benchmarks/c/pthread/singleton.i [2021-11-25 06:44:02,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/data/13c0e5c12/f8777b4a5e124a8aa128ec349c5b345a/FLAG900ce34c2 [2021-11-25 06:44:02,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/data/13c0e5c12/f8777b4a5e124a8aa128ec349c5b345a [2021-11-25 06:44:02,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:44:02,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:44:02,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:44:02,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:44:02,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:44:02,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:44:02" (1/1) ... [2021-11-25 06:44:02,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4300df47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:02, skipping insertion in model container [2021-11-25 06:44:02,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:44:02" (1/1) ... [2021-11-25 06:44:02,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:44:02,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:44:03,041 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-25 06:44:03,353 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_2adb0198-a2d7-494b-aebe-104911ecf09d/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2021-11-25 06:44:03,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:44:03,392 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:44:03,408 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-25 06:44:03,426 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_2adb0198-a2d7-494b-aebe-104911ecf09d/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2021-11-25 06:44:03,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:44:03,533 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:44:03,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:03 WrapperNode [2021-11-25 06:44:03,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:44:03,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:44:03,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:44:03,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:44:03,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:03" (1/1) ... [2021-11-25 06:44:03,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:03" (1/1) ... [2021-11-25 06:44:03,607 INFO L137 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2021-11-25 06:44:03,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:44:03,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:44:03,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:44:03,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:44:03,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:03" (1/1) ... [2021-11-25 06:44:03,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:03" (1/1) ... [2021-11-25 06:44:03,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:03" (1/1) ... [2021-11-25 06:44:03,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:03" (1/1) ... [2021-11-25 06:44:03,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:03" (1/1) ... [2021-11-25 06:44:03,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:03" (1/1) ... [2021-11-25 06:44:03,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:03" (1/1) ... [2021-11-25 06:44:03,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:44:03,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:44:03,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:44:03,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:44:03,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:03" (1/1) ... [2021-11-25 06:44:03,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:44:03,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:44:03,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:44:03,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:44:03,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 06:44:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:44:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:44:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 06:44:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:44:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-11-25 06:44:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-11-25 06:44:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-25 06:44:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-25 06:44:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-25 06:44:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-25 06:44:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-25 06:44:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-25 06:44:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:44:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 06:44:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:44:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:44:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:44:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:44:03,738 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 06:44:03,881 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:44:03,896 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:44:04,166 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:44:04,175 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:44:04,175 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 06:44:04,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:44:04 BoogieIcfgContainer [2021-11-25 06:44:04,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:44:04,179 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:44:04,179 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:44:04,190 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:44:04,190 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:44:04" (1/1) ... [2021-11-25 06:44:04,191 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) [2021-11-25 06:44:04,205 INFO L158 Benchmark]: Toolchain (without parser) took 1510.14ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 80.8MB in the beginning and 102.1MB in the end (delta: -21.3MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2021-11-25 06:44:04,206 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:44:04,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 841.19ms. Allocated memory is still 113.2MB. Free memory was 80.8MB in the beginning and 63.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-25 06:44:04,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.53ms. Allocated memory is still 113.2MB. Free memory was 63.8MB in the beginning and 61.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 06:44:04,208 INFO L158 Benchmark]: Boogie Preprocessor took 31.53ms. Allocated memory is still 113.2MB. Free memory was 61.3MB in the beginning and 60.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:44:04,209 INFO L158 Benchmark]: RCFGBuilder took 536.82ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 60.0MB in the beginning and 103.2MB in the end (delta: -43.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-11-25 06:44:04,210 INFO L158 Benchmark]: CodeCheck took 21.66ms. Allocated memory is still 136.3MB. Free memory was 103.2MB in the beginning and 102.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:44:04,215 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 0.27ms. Allocated memory is still 113.2MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 841.19ms. Allocated memory is still 113.2MB. Free memory was 80.8MB in the beginning and 63.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.53ms. Allocated memory is still 113.2MB. Free memory was 63.8MB in the beginning and 61.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.53ms. Allocated memory is still 113.2MB. Free memory was 61.3MB in the beginning and 60.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 536.82ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 60.0MB in the beginning and 103.2MB in the end (delta: -43.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * CodeCheck took 21.66ms. Allocated memory is still 136.3MB. Free memory was 103.2MB in the beginning and 102.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 06:44:04,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/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_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:44:06,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:44:06,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:44:06,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:44:06,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:44:06,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:44:06,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:44:06,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:44:06,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:44:06,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:44:06,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:44:06,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:44:06,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:44:06,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:44:06,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:44:06,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:44:06,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:44:06,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:44:06,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:44:06,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:44:06,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:44:06,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:44:06,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:44:06,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:44:06,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:44:06,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:44:06,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:44:06,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:44:06,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:44:06,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:44:06,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:44:06,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:44:06,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:44:06,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:44:06,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:44:06,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:44:06,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:44:06,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:44:06,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:44:06,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:44:06,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:44:06,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-25 06:44:06,908 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:44:06,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:44:06,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:44:06,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:44:06,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:44:06,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:44:06,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:44:06,917 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:44:06,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:44:06,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:44:06,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:44:06,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:44:06,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:44:06,920 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 06:44:06,920 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 06:44:06,920 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 06:44:06,920 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:44:06,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:44:06,921 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:44:06,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:44:06,921 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:44:06,922 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:44:06,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:44:06,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:44:06,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:44:06,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:44:06,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:44:06,923 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 06:44:06,923 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 06:44:06,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:44:06,924 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-25 06:44:06,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 06:44:06,924 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_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2021-11-25 06:44:07,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:44:07,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:44:07,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:44:07,380 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:44:07,381 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:44:07,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/pthread/singleton.i [2021-11-25 06:44:07,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/data/93430ea7e/a7733590b0a3495c8f998fd3c6ca42ea/FLAG42c021a84 [2021-11-25 06:44:08,182 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:44:08,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/sv-benchmarks/c/pthread/singleton.i [2021-11-25 06:44:08,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/data/93430ea7e/a7733590b0a3495c8f998fd3c6ca42ea/FLAG42c021a84 [2021-11-25 06:44:08,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/data/93430ea7e/a7733590b0a3495c8f998fd3c6ca42ea [2021-11-25 06:44:08,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:44:08,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:44:08,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:44:08,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:44:08,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:44:08,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:44:08" (1/1) ... [2021-11-25 06:44:08,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336f174d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:08, skipping insertion in model container [2021-11-25 06:44:08,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:44:08" (1/1) ... [2021-11-25 06:44:08,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:44:08,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:44:08,716 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-25 06:44:09,011 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_2adb0198-a2d7-494b-aebe-104911ecf09d/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2021-11-25 06:44:09,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:44:09,043 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:44:09,060 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-25 06:44:09,082 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_2adb0198-a2d7-494b-aebe-104911ecf09d/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2021-11-25 06:44:09,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:44:09,203 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:44:09,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:09 WrapperNode [2021-11-25 06:44:09,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:44:09,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:44:09,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:44:09,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:44:09,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:09" (1/1) ... [2021-11-25 06:44:09,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:09" (1/1) ... [2021-11-25 06:44:09,273 INFO L137 Inliner]: procedures = 328, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2021-11-25 06:44:09,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:44:09,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:44:09,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:44:09,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:44:09,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:09" (1/1) ... [2021-11-25 06:44:09,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:09" (1/1) ... [2021-11-25 06:44:09,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:09" (1/1) ... [2021-11-25 06:44:09,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:09" (1/1) ... [2021-11-25 06:44:09,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:09" (1/1) ... [2021-11-25 06:44:09,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:09" (1/1) ... [2021-11-25 06:44:09,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:09" (1/1) ... [2021-11-25 06:44:09,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:44:09,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:44:09,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:44:09,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:44:09,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:09" (1/1) ... [2021-11-25 06:44:09,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:44:09,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:44:09,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:44:09,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:44:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-25 06:44:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 06:44:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 06:44:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:44:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-25 06:44:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:44:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 06:44:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 06:44:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 06:44:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-11-25 06:44:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-11-25 06:44:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-25 06:44:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-25 06:44:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-25 06:44:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-25 06:44:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-25 06:44:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-25 06:44:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 06:44:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:44:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:44:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:44:09,416 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 06:44:09,540 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:44:09,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:44:09,780 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:44:09,789 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:44:09,789 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 06:44:09,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:44:09 BoogieIcfgContainer [2021-11-25 06:44:09,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:44:09,797 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:44:09,797 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:44:09,806 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:44:09,807 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:44:09" (1/1) ... [2021-11-25 06:44:09,807 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) [2021-11-25 06:44:09,814 INFO L158 Benchmark]: Toolchain (without parser) took 1423.52ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 49.0MB in the beginning and 55.9MB in the end (delta: -6.9MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-11-25 06:44:09,815 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:44:09,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 816.14ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 48.7MB in the beginning and 75.5MB in the end (delta: -26.8MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2021-11-25 06:44:09,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.35ms. Allocated memory is still 96.5MB. Free memory was 75.5MB in the beginning and 73.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:44:09,818 INFO L158 Benchmark]: Boogie Preprocessor took 51.29ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 71.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:44:09,819 INFO L158 Benchmark]: RCFGBuilder took 469.57ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 57.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 06:44:09,820 INFO L158 Benchmark]: CodeCheck took 12.62ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 55.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:44:09,830 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 0.26ms. Allocated memory is still 69.2MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 816.14ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 48.7MB in the beginning and 75.5MB in the end (delta: -26.8MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.35ms. Allocated memory is still 96.5MB. Free memory was 75.5MB in the beginning and 73.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.29ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 71.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.57ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 57.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 12.62ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 55.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 06:44:09,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adb0198-a2d7-494b-aebe-104911ecf09d/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported