./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e --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 0.2.1-dev-63182f1 [2021-11-13 22:44:44,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:44:44,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:44:44,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:44:44,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:44:44,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:44:44,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:44:44,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:44:44,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:44:44,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:44:44,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:44:44,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:44:44,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:44:44,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:44:44,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:44:44,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:44:44,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:44:44,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:44:44,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:44:44,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:44:44,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:44:44,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:44:44,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:44:44,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:44:44,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:44:44,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:44:44,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:44:44,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:44:44,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:44:44,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:44:44,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:44:44,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:44:44,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:44:44,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:44:44,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:44:44,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:44:44,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:44:44,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:44:44,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:44:44,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:44:44,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:44:44,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 22:44:44,515 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:44:44,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:44:44,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:44:44,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:44:44,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:44:44,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:44:44,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:44:44,521 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:44:44,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:44:44,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:44:44,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:44:44,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:44:44,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:44:44,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:44:44,525 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:44:44,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:44:44,526 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:44:44,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:44:44,527 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:44:44,527 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:44:44,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:44:44,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:44:44,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:44:44,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:44:44,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:44:44,529 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:44:44,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:44:44,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:44:44,530 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_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2021-11-13 22:44:44,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:44:44,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:44:44,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:44:44,887 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:44:44,888 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:44:44,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread/singleton.i [2021-11-13 22:44:44,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/data/d52f4a7ab/be6b944abf1d4129b10d4163ba3249d4/FLAGf61060523 [2021-11-13 22:44:45,823 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:44:45,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/sv-benchmarks/c/pthread/singleton.i [2021-11-13 22:44:45,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/data/d52f4a7ab/be6b944abf1d4129b10d4163ba3249d4/FLAGf61060523 [2021-11-13 22:44:46,000 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/data/d52f4a7ab/be6b944abf1d4129b10d4163ba3249d4 [2021-11-13 22:44:46,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:44:46,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:44:46,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:44:46,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:44:46,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:44:46,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:46" (1/1) ... [2021-11-13 22:44:46,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548eee5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:46, skipping insertion in model container [2021-11-13 22:44:46,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:46" (1/1) ... [2021-11-13 22:44:46,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:44:46,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:44:46,486 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-13 22:44:46,841 WARN L228 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_a6def363-92ce-43b1-8441-f0f2f7ebaf24/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2021-11-13 22:44:46,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:44:46,888 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:44:46,909 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-13 22:44:46,939 WARN L228 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_a6def363-92ce-43b1-8441-f0f2f7ebaf24/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2021-11-13 22:44:46,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:44:47,060 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:44:47,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:47 WrapperNode [2021-11-13 22:44:47,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:44:47,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:44:47,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:44:47,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:44:47,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:47" (1/1) ... [2021-11-13 22:44:47,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:47" (1/1) ... [2021-11-13 22:44:47,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:44:47,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:44:47,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:44:47,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:44:47,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:47" (1/1) ... [2021-11-13 22:44:47,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:47" (1/1) ... [2021-11-13 22:44:47,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:47" (1/1) ... [2021-11-13 22:44:47,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:47" (1/1) ... [2021-11-13 22:44:47,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:47" (1/1) ... [2021-11-13 22:44:47,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:47" (1/1) ... [2021-11-13 22:44:47,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:47" (1/1) ... [2021-11-13 22:44:47,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:44:47,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:44:47,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:44:47,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:44:47,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:47" (1/1) ... [2021-11-13 22:44:47,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:44:47,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:44:47,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:44:47,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:44:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 22:44:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:44:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:44:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 22:44:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 22:44:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-11-13 22:44:47,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-11-13 22:44:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-13 22:44:47,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-13 22:44:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-13 22:44:47,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-13 22:44:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-13 22:44:47,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-13 22:44:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 22:44:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 22:44:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 22:44:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:44:47,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:44:47,332 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 22:44:47,974 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:44:47,977 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 22:44:47,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:47 BoogieIcfgContainer [2021-11-13 22:44:47,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:44:47,983 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:44:47,984 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:44:47,996 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:44:47,997 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:47" (1/1) ... [2021-11-13 22:44:47,998 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) [2021-11-13 22:44:48,005 INFO L158 Benchmark]: Toolchain (without parser) took 1997.34ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 61.8MB in the beginning and 60.0MB in the end (delta: 1.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-13 22:44:48,007 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 94.4MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:44:48,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1043.08ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 61.6MB in the beginning and 78.8MB in the end (delta: -17.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 22:44:48,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.29ms. Allocated memory is still 125.8MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:44:48,012 INFO L158 Benchmark]: Boogie Preprocessor took 39.65ms. Allocated memory is still 125.8MB. Free memory was 76.8MB in the beginning and 75.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:44:48,013 INFO L158 Benchmark]: RCFGBuilder took 777.07ms. Allocated memory is still 125.8MB. Free memory was 74.7MB in the beginning and 60.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 22:44:48,014 INFO L158 Benchmark]: CodeCheck took 17.79ms. Allocated memory is still 125.8MB. Free memory was 60.6MB in the beginning and 60.0MB in the end (delta: 572.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:44:48,026 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 0.45ms. Allocated memory is still 94.4MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1043.08ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 61.6MB in the beginning and 78.8MB in the end (delta: -17.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.29ms. Allocated memory is still 125.8MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.65ms. Allocated memory is still 125.8MB. Free memory was 76.8MB in the beginning and 75.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 777.07ms. Allocated memory is still 125.8MB. Free memory was 74.7MB in the beginning and 60.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 17.79ms. Allocated memory is still 125.8MB. Free memory was 60.6MB in the beginning and 60.0MB in the end (delta: 572.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 22:44:48,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/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_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e --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 0.2.1-dev-63182f1 [2021-11-13 22:44:51,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:44:51,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:44:51,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:44:51,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:44:51,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:44:51,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:44:51,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:44:51,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:44:51,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:44:51,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:44:51,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:44:51,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:44:51,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:44:51,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:44:51,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:44:51,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:44:51,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:44:51,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:44:51,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:44:51,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:44:51,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:44:51,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:44:51,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:44:51,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:44:51,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:44:51,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:44:51,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:44:51,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:44:51,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:44:51,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:44:51,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:44:51,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:44:51,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:44:51,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:44:51,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:44:51,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:44:51,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:44:51,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:44:51,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:44:51,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:44:51,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-13 22:44:51,562 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:44:51,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:44:51,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:44:51,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:44:51,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:44:51,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:44:51,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:44:51,568 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:44:51,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:44:51,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:44:51,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:44:51,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:44:51,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:44:51,571 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 22:44:51,571 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 22:44:51,571 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 22:44:51,572 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:44:51,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:44:51,572 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:44:51,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:44:51,573 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:44:51,573 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:44:51,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:44:51,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:44:51,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:44:51,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:44:51,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:44:51,575 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 22:44:51,575 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 22:44:51,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:44:51,575 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 22:44:51,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 22:44:51,576 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_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2021-11-13 22:44:52,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:44:52,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:44:52,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:44:52,138 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:44:52,140 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:44:52,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread/singleton.i [2021-11-13 22:44:52,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/data/2ce2ae5f0/49c12b4d285e4628954f1298d9a92f20/FLAGe2c3cad5d [2021-11-13 22:44:53,120 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:44:53,121 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/sv-benchmarks/c/pthread/singleton.i [2021-11-13 22:44:53,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/data/2ce2ae5f0/49c12b4d285e4628954f1298d9a92f20/FLAGe2c3cad5d [2021-11-13 22:44:53,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/data/2ce2ae5f0/49c12b4d285e4628954f1298d9a92f20 [2021-11-13 22:44:53,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:44:53,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:44:53,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:44:53,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:44:53,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:44:53,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:53" (1/1) ... [2021-11-13 22:44:53,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c2c002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:53, skipping insertion in model container [2021-11-13 22:44:53,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:53" (1/1) ... [2021-11-13 22:44:53,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:44:53,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:44:53,871 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-13 22:44:54,444 WARN L228 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_a6def363-92ce-43b1-8441-f0f2f7ebaf24/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2021-11-13 22:44:54,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:44:54,503 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:44:54,536 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-13 22:44:54,578 WARN L228 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_a6def363-92ce-43b1-8441-f0f2f7ebaf24/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2021-11-13 22:44:54,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:44:54,764 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:44:54,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:54 WrapperNode [2021-11-13 22:44:54,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:44:54,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:44:54,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:44:54,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:44:54,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:54" (1/1) ... [2021-11-13 22:44:54,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:54" (1/1) ... [2021-11-13 22:44:54,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:44:54,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:44:54,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:44:54,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:44:54,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:54" (1/1) ... [2021-11-13 22:44:54,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:54" (1/1) ... [2021-11-13 22:44:54,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:54" (1/1) ... [2021-11-13 22:44:54,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:54" (1/1) ... [2021-11-13 22:44:54,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:54" (1/1) ... [2021-11-13 22:44:54,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:54" (1/1) ... [2021-11-13 22:44:54,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:54" (1/1) ... [2021-11-13 22:44:54,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:44:54,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:44:54,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:44:54,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:44:54,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:54" (1/1) ... [2021-11-13 22:44:54,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:44:55,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:44:55,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:44:55,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:44:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 22:44:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 22:44:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 22:44:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:44:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 22:44:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:44:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 22:44:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 22:44:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 22:44:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-11-13 22:44:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-11-13 22:44:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-13 22:44:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-13 22:44:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-13 22:44:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-13 22:44:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-13 22:44:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-13 22:44:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 22:44:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:44:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:44:55,102 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 22:44:55,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:44:55,747 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 22:44:55,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:55 BoogieIcfgContainer [2021-11-13 22:44:55,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:44:55,752 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:44:55,752 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:44:55,766 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:44:55,766 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:55" (1/1) ... [2021-11-13 22:44:55,767 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) [2021-11-13 22:44:55,773 INFO L158 Benchmark]: Toolchain (without parser) took 2460.39ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 39.6MB in the beginning and 55.5MB in the end (delta: -16.0MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2021-11-13 22:44:55,773 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 48.2MB. Free memory is still 29.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:44:55,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1453.62ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 29.1MB in the end (delta: 10.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-13 22:44:55,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.01ms. Allocated memory is still 58.7MB. Free memory was 28.9MB in the beginning and 26.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:44:55,776 INFO L158 Benchmark]: Boogie Preprocessor took 96.98ms. Allocated memory is still 58.7MB. Free memory was 26.6MB in the beginning and 36.6MB in the end (delta: -10.0MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2021-11-13 22:44:55,778 INFO L158 Benchmark]: RCFGBuilder took 779.49ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 36.6MB in the beginning and 56.5MB in the end (delta: -19.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-13 22:44:55,779 INFO L158 Benchmark]: CodeCheck took 18.09ms. Allocated memory is still 81.8MB. Free memory was 56.5MB in the beginning and 55.5MB in the end (delta: 979.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:44:55,784 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 0.41ms. Allocated memory is still 48.2MB. Free memory is still 29.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1453.62ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 29.1MB in the end (delta: 10.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.01ms. Allocated memory is still 58.7MB. Free memory was 28.9MB in the beginning and 26.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.98ms. Allocated memory is still 58.7MB. Free memory was 26.6MB in the beginning and 36.6MB in the end (delta: -10.0MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * RCFGBuilder took 779.49ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 36.6MB in the beginning and 56.5MB in the end (delta: -19.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * CodeCheck took 18.09ms. Allocated memory is still 81.8MB. Free memory was 56.5MB in the beginning and 55.5MB in the end (delta: 979.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 22:44:55,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6def363-92ce-43b1-8441-f0f2f7ebaf24/bin/ukojak-2xVlg8857e/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