./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:48:14,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:48:14,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:48:14,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:48:14,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:48:14,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:48:14,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:48:14,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:48:14,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:48:14,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:48:14,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:48:14,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:48:14,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:48:14,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:48:14,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:48:14,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:48:14,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:48:14,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:48:14,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:48:14,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:48:14,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:48:14,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:48:14,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:48:14,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:48:14,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:48:14,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:48:14,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:48:14,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:48:14,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:48:14,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:48:14,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:48:14,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:48:14,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:48:14,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:48:14,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:48:14,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:48:14,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:48:14,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:48:14,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:48:14,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:48:14,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:48:14,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 18:48:14,755 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:48:14,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:48:14,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:48:14,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:48:14,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:48:14,757 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:48:14,758 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:48:14,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:48:14,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:48:14,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:48:14,758 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 18:48:14,758 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 18:48:14,759 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 18:48:14,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:48:14,759 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:48:14,759 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:48:14,759 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:48:14,759 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:48:14,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:48:14,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:48:14,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:48:14,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:48:14,760 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:48:14,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:48:14,760 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_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2022-12-14 18:48:14,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:48:14,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:48:14,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:48:14,958 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:48:14,959 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:48:14,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/singleton.i [2022-12-14 18:48:17,546 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:48:17,763 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:48:17,764 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/sv-benchmarks/c/pthread/singleton.i [2022-12-14 18:48:17,774 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/data/03ac5c045/9d243c374f01426f8cbca16f3d4fb9a0/FLAG987a4ce0e [2022-12-14 18:48:18,108 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/data/03ac5c045/9d243c374f01426f8cbca16f3d4fb9a0 [2022-12-14 18:48:18,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:48:18,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:48:18,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:48:18,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:48:18,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:48:18,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c52393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:18, skipping insertion in model container [2022-12-14 18:48:18,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:48:18,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:48:18,286 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:48:18,442 WARN L237 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_07a02747-cf30-42bd-aa14-a468841806b3/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-12-14 18:48:18,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:48:18,447 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:48:18,448 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:48:18,449 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:48:18,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:48:18,464 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:48:18,474 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:48:18,490 WARN L237 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_07a02747-cf30-42bd-aa14-a468841806b3/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-12-14 18:48:18,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:48:18,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:48:18,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:48:18,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:48:18,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:48:18,531 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:48:18,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:18 WrapperNode [2022-12-14 18:48:18,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:48:18,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:48:18,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:48:18,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:48:18,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,562 INFO L138 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-12-14 18:48:18,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:48:18,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:48:18,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:48:18,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:48:18,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,580 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:48:18,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:48:18,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:48:18,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:48:18,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:48:18,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:48:18,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:48:18,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:48:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 18:48:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:48:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:48:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 18:48:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:48:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-12-14 18:48:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-12-14 18:48:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 18:48:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 18:48:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 18:48:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 18:48:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 18:48:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 18:48:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:48:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 18:48:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:48:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:48:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:48:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:48:18,640 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 18:48:18,744 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:48:18,746 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:48:18,971 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:48:18,976 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:48:18,977 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:48:18,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:48:18 BoogieIcfgContainer [2022-12-14 18:48:18,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:48:18,979 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:48:18,979 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:48:18,986 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:48:18,986 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:48:18" (1/1) ... [2022-12-14 18:48:18,987 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) [2022-12-14 18:48:18,990 INFO L158 Benchmark]: Toolchain (without parser) took 877.52ms. Allocated memory is still 132.1MB. Free memory was 98.6MB in the beginning and 91.9MB in the end (delta: 6.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-12-14 18:48:18,990 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:48:18,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.34ms. Allocated memory is still 132.1MB. Free memory was 98.2MB in the beginning and 65.1MB in the end (delta: 33.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 18:48:18,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.36ms. Allocated memory is still 132.1MB. Free memory was 65.1MB in the beginning and 62.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:48:18,991 INFO L158 Benchmark]: Boogie Preprocessor took 19.58ms. Allocated memory is still 132.1MB. Free memory was 62.6MB in the beginning and 61.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:48:18,992 INFO L158 Benchmark]: RCFGBuilder took 395.76ms. Allocated memory is still 132.1MB. Free memory was 60.9MB in the beginning and 92.6MB in the end (delta: -31.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2022-12-14 18:48:18,992 INFO L158 Benchmark]: CodeCheck took 9.71ms. Allocated memory is still 132.1MB. Free memory was 92.6MB in the beginning and 91.9MB in the end (delta: 739.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:48:18,994 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 0.12ms. Allocated memory is still 132.1MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.34ms. Allocated memory is still 132.1MB. Free memory was 98.2MB in the beginning and 65.1MB in the end (delta: 33.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.36ms. Allocated memory is still 132.1MB. Free memory was 65.1MB in the beginning and 62.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.58ms. Allocated memory is still 132.1MB. Free memory was 62.6MB in the beginning and 61.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 395.76ms. Allocated memory is still 132.1MB. Free memory was 60.9MB in the beginning and 92.6MB in the end (delta: -31.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * CodeCheck took 9.71ms. Allocated memory is still 132.1MB. Free memory was 92.6MB in the beginning and 91.9MB in the end (delta: 739.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 18:48:19,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:48:20,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:48:20,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:48:20,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:48:20,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:48:20,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:48:20,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:48:20,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:48:20,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:48:20,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:48:20,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:48:20,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:48:20,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:48:20,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:48:20,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:48:20,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:48:20,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:48:20,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:48:20,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:48:20,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:48:20,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:48:20,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:48:20,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:48:20,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:48:20,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:48:20,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:48:20,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:48:20,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:48:20,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:48:20,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:48:20,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:48:20,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:48:20,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:48:20,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:48:20,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:48:20,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:48:20,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:48:20,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:48:20,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:48:20,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:48:20,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:48:20,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-12-14 18:48:20,723 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:48:20,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:48:20,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:48:20,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:48:20,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:48:20,725 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:48:20,725 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:48:20,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:48:20,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:48:20,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:48:20,726 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 18:48:20,726 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 18:48:20,726 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 18:48:20,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:48:20,726 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 18:48:20,726 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 18:48:20,726 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 18:48:20,726 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:48:20,726 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:48:20,727 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:48:20,727 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:48:20,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:48:20,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:48:20,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:48:20,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:48:20,727 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 18:48:20,728 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 18:48:20,728 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 18:48:20,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 18:48:20,728 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_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2022-12-14 18:48:20,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:48:20,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:48:20,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:48:20,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:48:20,943 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:48:20,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/singleton.i [2022-12-14 18:48:23,581 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:48:23,799 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:48:23,800 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/sv-benchmarks/c/pthread/singleton.i [2022-12-14 18:48:23,814 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/data/51931274f/794a5f1847f44bf0833c1051d2ce50a7/FLAGf9ca5b7ff [2022-12-14 18:48:23,828 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/data/51931274f/794a5f1847f44bf0833c1051d2ce50a7 [2022-12-14 18:48:23,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:48:23,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:48:23,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:48:23,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:48:23,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:48:23,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:48:23" (1/1) ... [2022-12-14 18:48:23,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103da3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:23, skipping insertion in model container [2022-12-14 18:48:23,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:48:23" (1/1) ... [2022-12-14 18:48:23,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:48:23,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:48:24,081 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:48:24,342 WARN L237 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_07a02747-cf30-42bd-aa14-a468841806b3/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-12-14 18:48:24,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:48:24,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:48:24,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:48:24,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:48:24,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:48:24,387 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:48:24,405 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:48:24,421 WARN L237 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_07a02747-cf30-42bd-aa14-a468841806b3/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-12-14 18:48:24,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:48:24,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:48:24,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:48:24,424 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:48:24,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:48:24,478 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:48:24,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:24 WrapperNode [2022-12-14 18:48:24,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:48:24,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:48:24,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:48:24,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:48:24,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:24" (1/1) ... [2022-12-14 18:48:24,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:24" (1/1) ... [2022-12-14 18:48:24,512 INFO L138 Inliner]: procedures = 328, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2022-12-14 18:48:24,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:48:24,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:48:24,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:48:24,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:48:24,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:24" (1/1) ... [2022-12-14 18:48:24,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:24" (1/1) ... [2022-12-14 18:48:24,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:24" (1/1) ... [2022-12-14 18:48:24,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:24" (1/1) ... [2022-12-14 18:48:24,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:24" (1/1) ... [2022-12-14 18:48:24,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:24" (1/1) ... [2022-12-14 18:48:24,535 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:24" (1/1) ... [2022-12-14 18:48:24,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:24" (1/1) ... [2022-12-14 18:48:24,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:48:24,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:48:24,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:48:24,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:48:24,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:24" (1/1) ... [2022-12-14 18:48:24,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:48:24,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:48:24,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:48:24,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:48:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 18:48:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 18:48:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 18:48:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:48:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-14 18:48:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:48:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 18:48:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 18:48:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 18:48:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-12-14 18:48:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-12-14 18:48:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 18:48:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 18:48:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 18:48:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 18:48:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 18:48:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 18:48:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 18:48:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:48:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:48:24,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:48:24,606 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 18:48:24,723 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:48:24,724 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:48:25,051 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:48:25,056 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:48:25,056 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:48:25,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:48:25 BoogieIcfgContainer [2022-12-14 18:48:25,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:48:25,058 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:48:25,058 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:48:25,065 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:48:25,066 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:48:25" (1/1) ... [2022-12-14 18:48:25,066 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) [2022-12-14 18:48:25,069 INFO L158 Benchmark]: Toolchain (without parser) took 1236.69ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 32.4MB in the end (delta: 21.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2022-12-14 18:48:25,069 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:48:25,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.75ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 37.1MB in the end (delta: 16.7MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-12-14 18:48:25,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.27ms. Allocated memory is still 77.6MB. Free memory was 37.1MB in the beginning and 34.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:48:25,073 INFO L158 Benchmark]: Boogie Preprocessor took 25.01ms. Allocated memory is still 77.6MB. Free memory was 34.6MB in the beginning and 56.0MB in the end (delta: -21.4MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-12-14 18:48:25,074 INFO L158 Benchmark]: RCFGBuilder took 519.37ms. Allocated memory is still 77.6MB. Free memory was 56.0MB in the beginning and 33.3MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 18:48:25,074 INFO L158 Benchmark]: CodeCheck took 9.40ms. Allocated memory is still 77.6MB. Free memory was 33.3MB in the beginning and 32.4MB in the end (delta: 930.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:48:25,076 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 0.13ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.75ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 37.1MB in the end (delta: 16.7MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.27ms. Allocated memory is still 77.6MB. Free memory was 37.1MB in the beginning and 34.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.01ms. Allocated memory is still 77.6MB. Free memory was 34.6MB in the beginning and 56.0MB in the end (delta: -21.4MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * RCFGBuilder took 519.37ms. Allocated memory is still 77.6MB. Free memory was 56.0MB in the beginning and 33.3MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 9.40ms. Allocated memory is still 77.6MB. Free memory was 33.3MB in the beginning and 32.4MB in the end (delta: 930.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 18:48:25,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a02747-cf30-42bd-aa14-a468841806b3/bin/ukojak-rkRKPMF4O4/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