./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/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_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4 --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 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 --- 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 01:15:15,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:15:15,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:15:15,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:15:15,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:15:15,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:15:15,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:15:15,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:15:15,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:15:15,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:15:15,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:15:15,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:15:15,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:15:15,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:15:15,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:15:15,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:15:15,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:15:15,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:15:15,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:15:15,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:15:15,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:15:15,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:15:15,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:15:15,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:15:15,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:15:15,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:15:15,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:15:15,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:15:15,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:15:15,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:15:15,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:15:15,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:15:15,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:15:15,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:15:15,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:15:15,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:15:15,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:15:15,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:15:15,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:15:15,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:15:15,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:15:15,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:15:15,072 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:15:15,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:15:15,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:15:15,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:15:15,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:15:15,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:15:15,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:15:15,074 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:15:15,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:15:15,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:15:15,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:15:15,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:15:15,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:15:15,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:15:15,075 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:15:15,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:15:15,075 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:15:15,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:15:15,075 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:15:15,075 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:15:15,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:15:15,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:15:15,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:15:15,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:15:15,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:15:15,076 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:15:15,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:15:15,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:15:15,076 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_26579e25-3775-4426-86ab-da3062c64be4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 [2022-12-15 01:15:15,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:15:15,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:15:15,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:15:15,285 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:15:15,286 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:15:15,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-12-15 01:15:17,840 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:15:18,051 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:15:18,051 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-12-15 01:15:18,062 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/data/17cc7e0fd/017ade5b08b043e7b3ae169b24d50c9a/FLAG06197a821 [2022-12-15 01:15:18,426 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/data/17cc7e0fd/017ade5b08b043e7b3ae169b24d50c9a [2022-12-15 01:15:18,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:15:18,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:15:18,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:15:18,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:15:18,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:15:18,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:15:18" (1/1) ... [2022-12-15 01:15:18,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc9d457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:18, skipping insertion in model container [2022-12-15 01:15:18,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:15:18" (1/1) ... [2022-12-15 01:15:18,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:15:18,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:15:18,644 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_26579e25-3775-4426-86ab-da3062c64be4/sv-benchmarks/c/pthread/fib_unsafe-11.i[30243,30256] [2022-12-15 01:15:18,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:18,652 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:18,654 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:18,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:18,657 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:18,657 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:18,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:18,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:18,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:18,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:18,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:15:18,669 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:15:18,693 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_26579e25-3775-4426-86ab-da3062c64be4/sv-benchmarks/c/pthread/fib_unsafe-11.i[30243,30256] [2022-12-15 01:15:18,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:18,695 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:18,695 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:18,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:18,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:18,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:18,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:18,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:18,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:18,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:18,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:15:18,720 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:15:18,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:18 WrapperNode [2022-12-15 01:15:18,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:15:18,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:15:18,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:15:18,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:15:18,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:18" (1/1) ... [2022-12-15 01:15:18,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:18" (1/1) ... [2022-12-15 01:15:18,750 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2022-12-15 01:15:18,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:15:18,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:15:18,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:15:18,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:15:18,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:18" (1/1) ... [2022-12-15 01:15:18,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:18" (1/1) ... [2022-12-15 01:15:18,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:18" (1/1) ... [2022-12-15 01:15:18,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:18" (1/1) ... [2022-12-15 01:15:18,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:18" (1/1) ... [2022-12-15 01:15:18,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:18" (1/1) ... [2022-12-15 01:15:18,767 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:18" (1/1) ... [2022-12-15 01:15:18,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:18" (1/1) ... [2022-12-15 01:15:18,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:15:18,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:15:18,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:15:18,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:15:18,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:18" (1/1) ... [2022-12-15 01:15:18,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:15:18,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:15:18,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:15:18,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:15:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-15 01:15:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-15 01:15:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-15 01:15:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-15 01:15:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:15:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 01:15:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:15:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:15:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:15:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:15:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 01:15:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:15:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:15:18,833 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 01:15:18,940 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:15:18,942 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:15:19,080 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:15:19,087 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:15:19,087 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 01:15:19,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:15:19 BoogieIcfgContainer [2022-12-15 01:15:19,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:15:19,090 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:15:19,090 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:15:19,101 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:15:19,101 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:15:19" (1/1) ... [2022-12-15 01:15:19,102 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 01:15:19,106 INFO L158 Benchmark]: Toolchain (without parser) took 675.53ms. Allocated memory is still 136.3MB. Free memory was 100.2MB in the beginning and 61.4MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-15 01:15:19,106 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory was 107.7MB in the beginning and 107.6MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:15:19,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.80ms. Allocated memory is still 136.3MB. Free memory was 100.2MB in the beginning and 79.6MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 01:15:19,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.07ms. Allocated memory is still 136.3MB. Free memory was 79.6MB in the beginning and 77.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:15:19,108 INFO L158 Benchmark]: Boogie Preprocessor took 18.42ms. Allocated memory is still 136.3MB. Free memory was 77.9MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:15:19,108 INFO L158 Benchmark]: RCFGBuilder took 318.59ms. Allocated memory is still 136.3MB. Free memory was 76.3MB in the beginning and 62.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 01:15:19,109 INFO L158 Benchmark]: CodeCheck took 14.54ms. Allocated memory is still 136.3MB. Free memory was 62.4MB in the beginning and 61.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:15:19,112 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 0.19ms. Allocated memory is still 136.3MB. Free memory was 107.7MB in the beginning and 107.6MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.80ms. Allocated memory is still 136.3MB. Free memory was 100.2MB in the beginning and 79.6MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.07ms. Allocated memory is still 136.3MB. Free memory was 79.6MB in the beginning and 77.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.42ms. Allocated memory is still 136.3MB. Free memory was 77.9MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.59ms. Allocated memory is still 136.3MB. Free memory was 76.3MB in the beginning and 62.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 14.54ms. Allocated memory is still 136.3MB. Free memory was 62.4MB in the beginning and 61.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 01:15:19,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/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_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4 --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 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 --- 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 01:15:20,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:15:20,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:15:20,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:15:20,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:15:20,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:15:20,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:15:20,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:15:20,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:15:20,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:15:20,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:15:20,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:15:20,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:15:20,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:15:20,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:15:20,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:15:20,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:15:20,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:15:20,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:15:20,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:15:20,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:15:20,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:15:20,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:15:20,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:15:20,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:15:20,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:15:20,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:15:20,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:15:20,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:15:20,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:15:20,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:15:20,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:15:20,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:15:20,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:15:20,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:15:20,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:15:20,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:15:20,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:15:20,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:15:20,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:15:20,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:15:20,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-15 01:15:20,769 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:15:20,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:15:20,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:15:20,770 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:15:20,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:15:20,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:15:20,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:15:20,771 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:15:20,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:15:20,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:15:20,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:15:20,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:15:20,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:15:20,772 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 01:15:20,773 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 01:15:20,773 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 01:15:20,773 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:15:20,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:15:20,773 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:15:20,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:15:20,774 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:15:20,774 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:15:20,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:15:20,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:15:20,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:15:20,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:15:20,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:15:20,775 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 01:15:20,775 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 01:15:20,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:15:20,776 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 01:15:20,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 01:15:20,781 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_26579e25-3775-4426-86ab-da3062c64be4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 [2022-12-15 01:15:20,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:15:21,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:15:21,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:15:21,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:15:21,008 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:15:21,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-12-15 01:15:23,601 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:15:23,785 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:15:23,785 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-12-15 01:15:23,794 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/data/666c8815d/55f5528b49c44c52b23b43180d1a94f3/FLAG0fb21de3e [2022-12-15 01:15:23,804 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/data/666c8815d/55f5528b49c44c52b23b43180d1a94f3 [2022-12-15 01:15:23,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:15:23,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:15:23,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:15:23,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:15:23,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:15:23,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:15:23" (1/1) ... [2022-12-15 01:15:23,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d4e825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:23, skipping insertion in model container [2022-12-15 01:15:23,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:15:23" (1/1) ... [2022-12-15 01:15:23,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:15:23,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:15:24,034 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_26579e25-3775-4426-86ab-da3062c64be4/sv-benchmarks/c/pthread/fib_unsafe-11.i[30243,30256] [2022-12-15 01:15:24,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:24,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:24,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:24,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:24,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:24,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:24,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:24,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:24,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:24,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:24,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:15:24,063 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:15:24,087 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_26579e25-3775-4426-86ab-da3062c64be4/sv-benchmarks/c/pthread/fib_unsafe-11.i[30243,30256] [2022-12-15 01:15:24,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:24,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:24,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:24,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:24,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:24,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:24,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:24,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:24,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:15:24,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:15:24,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:15:24,152 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:15:24,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:24 WrapperNode [2022-12-15 01:15:24,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:15:24,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:15:24,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:15:24,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:15:24,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:24" (1/1) ... [2022-12-15 01:15:24,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:24" (1/1) ... [2022-12-15 01:15:24,192 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2022-12-15 01:15:24,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:15:24,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:15:24,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:15:24,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:15:24,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:24" (1/1) ... [2022-12-15 01:15:24,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:24" (1/1) ... [2022-12-15 01:15:24,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:24" (1/1) ... [2022-12-15 01:15:24,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:24" (1/1) ... [2022-12-15 01:15:24,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:24" (1/1) ... [2022-12-15 01:15:24,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:24" (1/1) ... [2022-12-15 01:15:24,211 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:24" (1/1) ... [2022-12-15 01:15:24,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:24" (1/1) ... [2022-12-15 01:15:24,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:15:24,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:15:24,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:15:24,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:15:24,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:24" (1/1) ... [2022-12-15 01:15:24,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:15:24,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:15:24,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:15:24,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:15:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-15 01:15:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-15 01:15:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-15 01:15:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-15 01:15:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 01:15:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:15:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:15:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:15:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 01:15:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 01:15:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 01:15:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:15:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:15:24,274 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 01:15:24,378 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:15:24,380 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:15:24,563 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:15:24,569 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:15:24,569 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 01:15:24,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:15:24 BoogieIcfgContainer [2022-12-15 01:15:24,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:15:24,573 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:15:24,573 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:15:24,582 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:15:24,582 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:15:24" (1/1) ... [2022-12-15 01:15:24,583 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 01:15:24,587 INFO L158 Benchmark]: Toolchain (without parser) took 778.68ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 51.0MB in the end (delta: 1.2MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2022-12-15 01:15:24,587 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:15:24,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.43ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 48.7MB in the end (delta: 3.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-12-15 01:15:24,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.49ms. Allocated memory is still 75.5MB. Free memory was 48.7MB in the beginning and 46.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:15:24,589 INFO L158 Benchmark]: Boogie Preprocessor took 21.80ms. Allocated memory is still 75.5MB. Free memory was 46.4MB in the beginning and 44.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:15:24,589 INFO L158 Benchmark]: RCFGBuilder took 356.78ms. Allocated memory is still 75.5MB. Free memory was 44.6MB in the beginning and 52.4MB in the end (delta: -7.8MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-12-15 01:15:24,590 INFO L158 Benchmark]: CodeCheck took 12.52ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 51.0MB in the end (delta: 992.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:15:24,593 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 56.6MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.43ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 48.7MB in the end (delta: 3.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.49ms. Allocated memory is still 75.5MB. Free memory was 48.7MB in the beginning and 46.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.80ms. Allocated memory is still 75.5MB. Free memory was 46.4MB in the beginning and 44.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.78ms. Allocated memory is still 75.5MB. Free memory was 44.6MB in the beginning and 52.4MB in the end (delta: -7.8MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * CodeCheck took 12.52ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 51.0MB in the end (delta: 992.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 01:15:24,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26579e25-3775-4426-86ab-da3062c64be4/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