./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 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:04,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:04,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:04,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:04,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:04,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:04,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:04,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:04,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:04,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:04,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:04,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:04,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:04,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:04,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:04,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:04,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:04,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:04,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:04,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:04,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:04,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:04,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:04,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:04,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:04,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:04,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:04,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:04,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:04,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:04,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:04,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:04,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:04,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:04,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:04,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:04,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:04,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:04,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:04,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:04,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:04,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:48:04,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:04,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:04,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:04,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:04,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:04,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:04,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:04,757 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:48:04,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:48:04,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:48:04,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:04,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:04,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:04,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:04,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:48:04,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:04,759 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:04,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:04,759 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:04,759 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:04,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:04,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:04,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:04,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:04,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:04,761 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:48:04,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:48:04,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:04,761 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_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2021-11-23 15:48:05,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:05,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:05,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:05,045 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:05,046 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:05,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/singleton.i [2021-11-23 15:48:05,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/data/30f85287b/c6ddc3f01252497a8b5dab48f30102d9/FLAGc53ada78d [2021-11-23 15:48:05,716 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:05,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/sv-benchmarks/c/pthread/singleton.i [2021-11-23 15:48:05,749 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/data/30f85287b/c6ddc3f01252497a8b5dab48f30102d9/FLAGc53ada78d [2021-11-23 15:48:05,958 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/data/30f85287b/c6ddc3f01252497a8b5dab48f30102d9 [2021-11-23 15:48:05,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:05,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:05,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:05,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:05,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:05,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:05" (1/1) ... [2021-11-23 15:48:05,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d70c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:05, skipping insertion in model container [2021-11-23 15:48:05,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:05" (1/1) ... [2021-11-23 15:48:05,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:06,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:06,267 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:48:06,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2021-11-23 15:48:06,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:06,684 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:06,713 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:48:06,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2021-11-23 15:48:06,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:06,840 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:06,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:06 WrapperNode [2021-11-23 15:48:06,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:06,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:06,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:06,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:06,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:06" (1/1) ... [2021-11-23 15:48:06,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:06" (1/1) ... [2021-11-23 15:48:06,895 INFO L137 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2021-11-23 15:48:06,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:06,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:06,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:06,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:06,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:06" (1/1) ... [2021-11-23 15:48:06,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:06" (1/1) ... [2021-11-23 15:48:06,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:06" (1/1) ... [2021-11-23 15:48:06,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:06" (1/1) ... [2021-11-23 15:48:06,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:06" (1/1) ... [2021-11-23 15:48:06,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:06" (1/1) ... [2021-11-23 15:48:06,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:06" (1/1) ... [2021-11-23 15:48:06,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:06,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:06,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:06,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:06,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:06" (1/1) ... [2021-11-23 15:48:06,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:06,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:06,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:06,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:48:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:48:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:48:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:48:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:48:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-11-23 15:48:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-11-23 15:48:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:48:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:48:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:48:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:48:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:48:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:48:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:48:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:48:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:48:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:07,019 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:48:07,151 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:07,153 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:07,392 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:48:07,401 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:48:07,401 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:48:07,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:07 BoogieIcfgContainer [2021-11-23 15:48:07,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:48:07,405 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:48:07,405 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:48:07,425 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:48:07,425 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:07" (1/1) ... [2021-11-23 15:48:07,426 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:48:07,431 INFO L158 Benchmark]: Toolchain (without parser) took 1467.02ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 50.9MB in the end (delta: 31.3MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-23 15:48:07,432 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:07,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 877.36ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 70.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:48:07,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.00ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 67.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:07,438 INFO L158 Benchmark]: Boogie Preprocessor took 31.05ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 66.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:07,440 INFO L158 Benchmark]: RCFGBuilder took 476.07ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 52.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:48:07,441 INFO L158 Benchmark]: CodeCheck took 24.12ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 51.5MB in the end (delta: 859.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:07,453 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 0.35ms. Allocated memory is still 86.0MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 877.36ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 70.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.00ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 67.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.05ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 66.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.07ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 52.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 24.12ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 51.5MB in the end (delta: 859.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:48:07,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/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_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:09,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:09,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:09,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:09,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:09,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:09,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:09,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:09,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:09,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:09,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:09,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:09,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:09,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:09,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:09,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:09,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:09,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:09,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:09,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:09,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:09,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:09,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:09,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:09,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:09,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:09,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:09,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:09,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:09,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:09,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:09,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:09,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:09,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:09,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:09,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:09,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:09,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:09,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:09,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:09,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:09,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:48:10,036 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:10,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:10,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:10,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:10,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:10,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:10,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:10,040 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:48:10,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:48:10,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:10,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:10,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:10,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:10,042 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:48:10,042 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:48:10,042 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:48:10,043 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:48:10,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:10,043 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:10,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:10,044 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:10,044 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:10,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:10,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:10,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:10,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:10,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:10,045 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:48:10,045 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:48:10,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:10,046 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:48:10,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:48:10,047 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_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2021-11-23 15:48:10,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:10,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:10,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:10,510 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:10,511 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:10,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/singleton.i [2021-11-23 15:48:10,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/data/f5a9797e1/f53218df6bab41cd8350a1dd6e0c8812/FLAGe488467a1 [2021-11-23 15:48:11,337 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:11,344 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/sv-benchmarks/c/pthread/singleton.i [2021-11-23 15:48:11,369 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/data/f5a9797e1/f53218df6bab41cd8350a1dd6e0c8812/FLAGe488467a1 [2021-11-23 15:48:11,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/data/f5a9797e1/f53218df6bab41cd8350a1dd6e0c8812 [2021-11-23 15:48:11,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:11,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:11,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:11,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:11,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:11,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:11" (1/1) ... [2021-11-23 15:48:11,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257c0316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:11, skipping insertion in model container [2021-11-23 15:48:11,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:11" (1/1) ... [2021-11-23 15:48:11,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:11,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:11,854 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:48:12,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2021-11-23 15:48:12,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:12,130 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:12,147 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:48:12,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2021-11-23 15:48:12,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:12,316 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:12,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:12 WrapperNode [2021-11-23 15:48:12,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:12,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:12,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:12,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:12,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:12" (1/1) ... [2021-11-23 15:48:12,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:12" (1/1) ... [2021-11-23 15:48:12,402 INFO L137 Inliner]: procedures = 328, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2021-11-23 15:48:12,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:12,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:12,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:12,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:12,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:12" (1/1) ... [2021-11-23 15:48:12,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:12" (1/1) ... [2021-11-23 15:48:12,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:12" (1/1) ... [2021-11-23 15:48:12,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:12" (1/1) ... [2021-11-23 15:48:12,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:12" (1/1) ... [2021-11-23 15:48:12,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:12" (1/1) ... [2021-11-23 15:48:12,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:12" (1/1) ... [2021-11-23 15:48:12,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:12,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:12,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:12,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:12,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:12" (1/1) ... [2021-11-23 15:48:12,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:12,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:12,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:12,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:48:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:48:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:48:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:48:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:48:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:48:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:48:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:48:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:48:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-11-23 15:48:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-11-23 15:48:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:48:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:48:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:48:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:48:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:48:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:48:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:48:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:12,570 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:48:12,727 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:12,745 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:13,047 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:48:13,059 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:48:13,060 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:48:13,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:13 BoogieIcfgContainer [2021-11-23 15:48:13,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:48:13,064 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:48:13,064 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:48:13,074 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:48:13,074 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:13" (1/1) ... [2021-11-23 15:48:13,075 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:48:13,083 INFO L158 Benchmark]: Toolchain (without parser) took 1552.07ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 54.3MB in the beginning and 60.1MB in the end (delta: -5.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-11-23 15:48:13,084 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 73.4MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:13,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.07ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 54.1MB in the beginning and 80.0MB in the end (delta: -25.9MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2021-11-23 15:48:13,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.82ms. Allocated memory is still 100.7MB. Free memory was 80.0MB in the beginning and 77.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:13,087 INFO L158 Benchmark]: Boogie Preprocessor took 64.67ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 75.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:13,088 INFO L158 Benchmark]: RCFGBuilder took 593.38ms. Allocated memory is still 100.7MB. Free memory was 75.4MB in the beginning and 61.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:48:13,089 INFO L158 Benchmark]: CodeCheck took 16.00ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 60.1MB in the end (delta: 960.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:13,098 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 0.25ms. Allocated memory is still 73.4MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.07ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 54.1MB in the beginning and 80.0MB in the end (delta: -25.9MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.82ms. Allocated memory is still 100.7MB. Free memory was 80.0MB in the beginning and 77.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.67ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 75.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 593.38ms. Allocated memory is still 100.7MB. Free memory was 75.4MB in the beginning and 61.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 16.00ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 60.1MB in the end (delta: 960.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:48:13,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3135af4-12c1-454e-b88d-001430690e83/bin/ukojak-CwSLpZB5Qu/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