./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/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_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- 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 [2022-12-15 02:51:46,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:51:46,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:51:46,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:51:46,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:51:46,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:51:46,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:51:46,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:51:46,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:51:46,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:51:46,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:51:46,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:51:46,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:51:46,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:51:46,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:51:46,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:51:46,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:51:46,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:51:46,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:51:46,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:51:46,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:51:46,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:51:46,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:51:46,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:51:46,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:51:46,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:51:46,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:51:46,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:51:46,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:51:46,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:51:46,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:51:46,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:51:46,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:51:46,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:51:46,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:51:46,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:51:46,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:51:46,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:51:46,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:51:46,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:51:46,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:51:46,647 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 02:51:46,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:51:46,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:51:46,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:51:46,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:51:46,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:51:46,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:51:46,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:51:46,679 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:51:46,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:51:46,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:51:46,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:51:46,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:51:46,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:51:46,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:51:46,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:51:46,680 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:51:46,680 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:51:46,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:51:46,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:51:46,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:51:46,680 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:51:46,680 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:51:46,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:51:46,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:51:46,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:51:46,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:51:46,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:51:46,681 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:51:46,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:51:46,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:51:46,681 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_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2022-12-15 02:51:46,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:51:46,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:51:46,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:51:46,885 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:51:46,886 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:51:46,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2022-12-15 02:51:49,450 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:51:49,639 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:51:49,639 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2022-12-15 02:51:49,649 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/data/7452a4c96/7d14b923d2e34804b5c2b21c1693b96d/FLAG84ca25606 [2022-12-15 02:51:50,026 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/data/7452a4c96/7d14b923d2e34804b5c2b21c1693b96d [2022-12-15 02:51:50,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:51:50,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:51:50,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:51:50,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:51:50,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:51:50,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6668493f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:50, skipping insertion in model container [2022-12-15 02:51:50,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:51:50,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:51:50,209 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:51:50,423 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_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2022-12-15 02:51:50,425 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:51:50,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:51:50,427 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:51:50,427 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:51:50,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:51:50,443 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:51:50,453 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:51:50,466 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_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2022-12-15 02:51:50,467 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:51:50,468 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:51:50,468 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:51:50,468 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:51:50,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:51:50,512 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:51:50,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:50 WrapperNode [2022-12-15 02:51:50,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:51:50,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:51:50,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:51:50,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:51:50,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,544 INFO L138 Inliner]: procedures = 325, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-12-15 02:51:50,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:51:50,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:51:50,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:51:50,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:51:50,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:51:50,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:51:50,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:51:50,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:51:50,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:51:50,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:51:50,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:51:50,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:51:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 02:51:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:51:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:51:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 02:51:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:51:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-12-15 02:51:50,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-12-15 02:51:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-15 02:51:50,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-15 02:51:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-15 02:51:50,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-15 02:51:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-15 02:51:50,636 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-15 02:51:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:51:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 02:51:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:51:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:51:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:51:50,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:51:50,638 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 02:51:50,732 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:51:50,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:51:50,887 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:51:50,894 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:51:50,894 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 02:51:50,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:51:50 BoogieIcfgContainer [2022-12-15 02:51:50,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:51:50,897 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:51:50,897 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:51:50,904 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:51:50,905 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:51:50" (1/1) ... [2022-12-15 02:51:50,906 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) [2022-12-15 02:51:50,909 INFO L158 Benchmark]: Toolchain (without parser) took 876.24ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 94.0MB in the beginning and 124.3MB in the end (delta: -30.3MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-12-15 02:51:50,910 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:51:50,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.90ms. Allocated memory is still 130.0MB. Free memory was 94.0MB in the beginning and 60.5MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-15 02:51:50,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.56ms. Allocated memory is still 130.0MB. Free memory was 60.5MB in the beginning and 58.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:51:50,912 INFO L158 Benchmark]: Boogie Preprocessor took 25.55ms. Allocated memory is still 130.0MB. Free memory was 57.9MB in the beginning and 56.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:51:50,912 INFO L158 Benchmark]: RCFGBuilder took 324.96ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 56.3MB in the beginning and 125.0MB in the end (delta: -68.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-12-15 02:51:50,913 INFO L158 Benchmark]: CodeCheck took 10.99ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 124.3MB in the end (delta: 712.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:51:50,916 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 130.0MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.90ms. Allocated memory is still 130.0MB. Free memory was 94.0MB in the beginning and 60.5MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.56ms. Allocated memory is still 130.0MB. Free memory was 60.5MB in the beginning and 58.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.55ms. Allocated memory is still 130.0MB. Free memory was 57.9MB in the beginning and 56.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 324.96ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 56.3MB in the beginning and 125.0MB in the end (delta: -68.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * CodeCheck took 10.99ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 124.3MB in the end (delta: 712.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 02:51:50,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/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_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- 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 [2022-12-15 02:51:52,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:51:52,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:51:52,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:51:52,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:51:52,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:51:52,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:51:52,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:51:52,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:51:52,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:51:52,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:51:52,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:51:52,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:51:52,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:51:52,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:51:52,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:51:52,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:51:52,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:51:52,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:51:52,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:51:52,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:51:52,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:51:52,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:51:52,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:51:52,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:51:52,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:51:52,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:51:52,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:51:52,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:51:52,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:51:52,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:51:52,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:51:52,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:51:52,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:51:52,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:51:52,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:51:52,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:51:52,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:51:52,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:51:52,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:51:52,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:51:52,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 02:51:52,794 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:51:52,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:51:52,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:51:52,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:51:52,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:51:52,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:51:52,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:51:52,796 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:51:52,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:51:52,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:51:52,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:51:52,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:51:52,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:51:52,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:51:52,797 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 02:51:52,797 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 02:51:52,797 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:51:52,797 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 02:51:52,797 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:51:52,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:51:52,798 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:51:52,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:51:52,798 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:51:52,798 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:51:52,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:51:52,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:51:52,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:51:52,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:51:52,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:51:52,799 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 02:51:52,799 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 02:51:52,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:51:52,800 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 02:51:52,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 02:51:52,800 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_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2022-12-15 02:51:53,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:51:53,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:51:53,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:51:53,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:51:53,066 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:51:53,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2022-12-15 02:51:55,597 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:51:55,805 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:51:55,806 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2022-12-15 02:51:55,819 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/data/0859abfed/c06e18f630694e3aadae1c1e2191879f/FLAG6f1535bfe [2022-12-15 02:51:55,834 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/data/0859abfed/c06e18f630694e3aadae1c1e2191879f [2022-12-15 02:51:55,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:51:55,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:51:55,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:51:55,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:51:55,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:51:55,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:51:55" (1/1) ... [2022-12-15 02:51:55,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb58082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:55, skipping insertion in model container [2022-12-15 02:51:55,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:51:55" (1/1) ... [2022-12-15 02:51:55,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:51:55,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:51:56,065 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:51:56,362 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_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2022-12-15 02:51:56,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:51:56,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:51:56,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:51:56,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:51:56,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:51:56,384 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:51:56,395 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:51:56,410 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_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2022-12-15 02:51:56,411 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:51:56,411 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:51:56,428 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:51:56,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:51:56,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:51:56,502 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:51:56,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:56 WrapperNode [2022-12-15 02:51:56,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:51:56,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:51:56,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:51:56,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:51:56,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:56" (1/1) ... [2022-12-15 02:51:56,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:56" (1/1) ... [2022-12-15 02:51:56,550 INFO L138 Inliner]: procedures = 328, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2022-12-15 02:51:56,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:51:56,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:51:56,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:51:56,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:51:56,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:56" (1/1) ... [2022-12-15 02:51:56,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:56" (1/1) ... [2022-12-15 02:51:56,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:56" (1/1) ... [2022-12-15 02:51:56,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:56" (1/1) ... [2022-12-15 02:51:56,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:56" (1/1) ... [2022-12-15 02:51:56,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:56" (1/1) ... [2022-12-15 02:51:56,572 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:56" (1/1) ... [2022-12-15 02:51:56,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:56" (1/1) ... [2022-12-15 02:51:56,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:51:56,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:51:56,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:51:56,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:51:56,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:56" (1/1) ... [2022-12-15 02:51:56,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:51:56,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:51:56,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:51:56,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:51:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-15 02:51:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 02:51:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 02:51:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:51:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-15 02:51:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:51:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 02:51:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 02:51:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 02:51:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-12-15 02:51:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-12-15 02:51:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-15 02:51:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-15 02:51:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-15 02:51:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-15 02:51:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-15 02:51:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-15 02:51:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 02:51:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:51:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:51:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:51:56,636 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 02:51:56,755 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:51:56,757 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:51:56,967 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:51:56,974 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:51:56,975 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 02:51:56,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:51:56 BoogieIcfgContainer [2022-12-15 02:51:56,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:51:56,978 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:51:56,978 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:51:56,986 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:51:56,986 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:51:56" (1/1) ... [2022-12-15 02:51:56,987 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) [2022-12-15 02:51:56,990 INFO L158 Benchmark]: Toolchain (without parser) took 1151.56ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 58.6MB in the beginning and 60.7MB in the end (delta: -2.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-12-15 02:51:56,990 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 48.2MB. Free memory was 26.8MB in the beginning and 26.8MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:51:56,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.74ms. Allocated memory is still 81.8MB. Free memory was 58.3MB in the beginning and 44.1MB in the end (delta: 14.2MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-12-15 02:51:56,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.99ms. Allocated memory is still 81.8MB. Free memory was 44.1MB in the beginning and 41.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:51:56,992 INFO L158 Benchmark]: Boogie Preprocessor took 25.13ms. Allocated memory is still 81.8MB. Free memory was 41.7MB in the beginning and 39.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:51:56,992 INFO L158 Benchmark]: RCFGBuilder took 401.17ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 39.3MB in the beginning and 61.7MB in the end (delta: -22.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 02:51:56,993 INFO L158 Benchmark]: CodeCheck took 10.11ms. Allocated memory is still 98.6MB. Free memory was 61.7MB in the beginning and 60.7MB in the end (delta: 990.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:51:56,995 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 0.10ms. Allocated memory is still 48.2MB. Free memory was 26.8MB in the beginning and 26.8MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.74ms. Allocated memory is still 81.8MB. Free memory was 58.3MB in the beginning and 44.1MB in the end (delta: 14.2MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.99ms. Allocated memory is still 81.8MB. Free memory was 44.1MB in the beginning and 41.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.13ms. Allocated memory is still 81.8MB. Free memory was 41.7MB in the beginning and 39.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.17ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 39.3MB in the beginning and 61.7MB in the end (delta: -22.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 10.11ms. Allocated memory is still 98.6MB. Free memory was 61.7MB in the beginning and 60.7MB in the end (delta: 990.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 02:51:57,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe37b4a-8e09-4ed5-a184-ac0c6cd4b033/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