./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ --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 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 --- 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-6b4ec56 [2022-11-20 17:07:41,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:07:41,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:07:41,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:07:41,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:07:41,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:07:41,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:07:41,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:07:41,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:07:41,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:07:41,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:07:41,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:07:41,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:07:41,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:07:41,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:07:41,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:07:41,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:07:41,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:07:41,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:07:41,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:07:41,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:07:41,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:07:41,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:07:41,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:07:41,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:07:41,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:07:41,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:07:41,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:07:41,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:07:41,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:07:41,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:07:41,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:07:41,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:07:41,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:07:41,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:07:41,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:07:41,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:07:41,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:07:41,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:07:41,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:07:41,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:07:41,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:07:41,694 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:07:41,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:07:41,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:07:41,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:07:41,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:07:41,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:07:41,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:07:41,697 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:07:41,697 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:07:41,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:07:41,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:07:41,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:07:41,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:07:41,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:07:41,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:07:41,700 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:07:41,700 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:07:41,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:07:41,700 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:07:41,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:07:41,700 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:07:41,701 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:07:41,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:07:41,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:07:41,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:07:41,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:07:41,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:07:41,702 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:07:41,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:07:41,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:07:41,702 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 [2022-11-20 17:07:42,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:07:42,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:07:42,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:07:42,042 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:07:42,043 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:07:42,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-20 17:07:45,219 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:07:45,474 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:07:45,474 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-20 17:07:45,487 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/data/a1a3dcfd8/8d62e075e16e41e484c45c0377e2116b/FLAG8fe86d7f1 [2022-11-20 17:07:45,502 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/data/a1a3dcfd8/8d62e075e16e41e484c45c0377e2116b [2022-11-20 17:07:45,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:07:45,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:07:45,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:07:45,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:07:45,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:07:45,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:07:45" (1/1) ... [2022-11-20 17:07:45,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ddb2d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:45, skipping insertion in model container [2022-11-20 17:07:45,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:07:45" (1/1) ... [2022-11-20 17:07:45,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:07:45,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:07:45,920 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-20 17:07:45,925 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-20 17:07:45,932 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-20 17:07:45,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:07:45,964 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:07:46,027 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-20 17:07:46,029 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-20 17:07:46,032 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-20 17:07:46,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:07:46,088 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:07:46,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:46 WrapperNode [2022-11-20 17:07:46,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:07:46,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:07:46,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:07:46,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:07:46,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:46" (1/1) ... [2022-11-20 17:07:46,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:46" (1/1) ... [2022-11-20 17:07:46,149 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2022-11-20 17:07:46,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:07:46,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:07:46,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:07:46,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:07:46,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:46" (1/1) ... [2022-11-20 17:07:46,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:46" (1/1) ... [2022-11-20 17:07:46,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:46" (1/1) ... [2022-11-20 17:07:46,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:46" (1/1) ... [2022-11-20 17:07:46,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:46" (1/1) ... [2022-11-20 17:07:46,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:46" (1/1) ... [2022-11-20 17:07:46,177 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:46" (1/1) ... [2022-11-20 17:07:46,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:46" (1/1) ... [2022-11-20 17:07:46,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:07:46,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:07:46,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:07:46,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:07:46,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:46" (1/1) ... [2022-11-20 17:07:46,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:07:46,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:07:46,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:07:46,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:07:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:07:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 17:07:46,264 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 17:07:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 17:07:46,264 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 17:07:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:07:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 17:07:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:07:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:07:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:07:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:07:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:07:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:07:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:07:46,268 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:07:46,452 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:07:46,454 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:07:46,751 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:07:46,760 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:07:46,760 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:07:46,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:07:46 BoogieIcfgContainer [2022-11-20 17:07:46,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:07:46,764 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:07:46,764 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:07:46,776 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:07:46,777 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:07:46" (1/1) ... [2022-11-20 17:07:46,778 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:07:46,786 INFO L158 Benchmark]: Toolchain (without parser) took 1278.92ms. Allocated memory is still 151.0MB. Free memory was 105.3MB in the beginning and 60.8MB in the end (delta: 44.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 17:07:46,786 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:07:46,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.23ms. Allocated memory is still 151.0MB. Free memory was 104.9MB in the beginning and 84.5MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:07:46,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.33ms. Allocated memory is still 151.0MB. Free memory was 84.5MB in the beginning and 81.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:07:46,788 INFO L158 Benchmark]: Boogie Preprocessor took 32.49ms. Allocated memory is still 151.0MB. Free memory was 81.8MB in the beginning and 80.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:07:46,789 INFO L158 Benchmark]: RCFGBuilder took 580.21ms. Allocated memory is still 151.0MB. Free memory was 80.3MB in the beginning and 62.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:07:46,789 INFO L158 Benchmark]: CodeCheck took 20.19ms. Allocated memory is still 151.0MB. Free memory was 62.0MB in the beginning and 60.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:07:46,792 INFO L339 ainManager$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 0.15ms. Allocated memory is still 107.0MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 582.23ms. Allocated memory is still 151.0MB. Free memory was 104.9MB in the beginning and 84.5MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.33ms. Allocated memory is still 151.0MB. Free memory was 84.5MB in the beginning and 81.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.49ms. Allocated memory is still 151.0MB. Free memory was 81.8MB in the beginning and 80.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 580.21ms. Allocated memory is still 151.0MB. Free memory was 80.3MB in the beginning and 62.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 20.19ms. Allocated memory is still 151.0MB. Free memory was 62.0MB in the beginning and 60.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:07:46,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ --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 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 --- 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-6b4ec56 [2022-11-20 17:07:49,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:07:49,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:07:49,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:07:49,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:07:49,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:07:49,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:07:49,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:07:49,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:07:49,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:07:49,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:07:49,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:07:49,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:07:49,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:07:49,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:07:49,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:07:49,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:07:49,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:07:49,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:07:49,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:07:49,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:07:49,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:07:49,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:07:49,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:07:49,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:07:49,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:07:49,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:07:49,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:07:49,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:07:49,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:07:49,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:07:49,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:07:49,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:07:49,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:07:49,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:07:49,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:07:49,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:07:49,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:07:49,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:07:49,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:07:49,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:07:49,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:07:49,483 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:07:49,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:07:49,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:07:49,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:07:49,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:07:49,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:07:49,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:07:49,488 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:07:49,488 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:07:49,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:07:49,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:07:49,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:07:49,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:07:49,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:07:49,491 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:07:49,491 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:07:49,491 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:07:49,492 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:07:49,492 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:07:49,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:07:49,492 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:07:49,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:07:49,493 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:07:49,493 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:07:49,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:07:49,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:07:49,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:07:49,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:07:49,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:07:49,495 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:07:49,495 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:07:49,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:07:49,496 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:07:49,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:07:49,497 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 [2022-11-20 17:07:49,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:07:49,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:07:49,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:07:49,910 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:07:49,911 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:07:49,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-20 17:07:52,870 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:07:53,249 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:07:53,250 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-20 17:07:53,268 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/data/c24cc649f/53b2784c3ebb4eba973a02661e70c549/FLAG51c941798 [2022-11-20 17:07:53,291 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/data/c24cc649f/53b2784c3ebb4eba973a02661e70c549 [2022-11-20 17:07:53,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:07:53,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:07:53,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:07:53,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:07:53,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:07:53,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:07:53" (1/1) ... [2022-11-20 17:07:53,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f2f805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:53, skipping insertion in model container [2022-11-20 17:07:53,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:07:53" (1/1) ... [2022-11-20 17:07:53,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:07:53,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:07:53,826 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-20 17:07:53,836 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-20 17:07:53,843 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-20 17:07:53,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:07:53,875 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:07:53,962 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-20 17:07:53,965 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-20 17:07:53,967 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_f2eaf7d2-1878-4fb8-abb8-efee8876d137/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-20 17:07:53,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:07:54,013 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:07:54,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:54 WrapperNode [2022-11-20 17:07:54,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:07:54,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:07:54,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:07:54,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:07:54,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:54" (1/1) ... [2022-11-20 17:07:54,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:54" (1/1) ... [2022-11-20 17:07:54,064 INFO L138 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 145 [2022-11-20 17:07:54,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:07:54,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:07:54,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:07:54,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:07:54,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:54" (1/1) ... [2022-11-20 17:07:54,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:54" (1/1) ... [2022-11-20 17:07:54,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:54" (1/1) ... [2022-11-20 17:07:54,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:54" (1/1) ... [2022-11-20 17:07:54,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:54" (1/1) ... [2022-11-20 17:07:54,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:54" (1/1) ... [2022-11-20 17:07:54,097 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:54" (1/1) ... [2022-11-20 17:07:54,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:54" (1/1) ... [2022-11-20 17:07:54,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:07:54,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:07:54,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:07:54,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:07:54,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:54" (1/1) ... [2022-11-20 17:07:54,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:07:54,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:07:54,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:07:54,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:07:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 17:07:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:07:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 17:07:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 17:07:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 17:07:54,199 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 17:07:54,199 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 17:07:54,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:07:54,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:07:54,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 17:07:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:07:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:07:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:07:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 17:07:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:07:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 17:07:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:07:54,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:07:54,203 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:07:54,367 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:07:54,369 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:07:54,787 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:07:54,795 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:07:54,795 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:07:54,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:07:54 BoogieIcfgContainer [2022-11-20 17:07:54,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:07:54,799 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:07:54,799 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:07:54,809 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:07:54,809 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:07:54" (1/1) ... [2022-11-20 17:07:54,810 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) [2022-11-20 17:07:54,815 INFO L158 Benchmark]: Toolchain (without parser) took 1515.44ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 45.3MB in the beginning and 54.6MB in the end (delta: -9.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-11-20 17:07:54,815 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:07:54,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 713.38ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 45.1MB in the beginning and 54.3MB in the end (delta: -9.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-11-20 17:07:54,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.79ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:07:54,817 INFO L158 Benchmark]: Boogie Preprocessor took 37.94ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 49.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:07:54,818 INFO L158 Benchmark]: RCFGBuilder took 694.29ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 56.0MB in the end (delta: -6.1MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2022-11-20 17:07:54,819 INFO L158 Benchmark]: CodeCheck took 14.18ms. Allocated memory is still 83.9MB. Free memory was 55.6MB in the beginning and 54.6MB in the end (delta: 939.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:07:54,822 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 0.29ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 713.38ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 45.1MB in the beginning and 54.3MB in the end (delta: -9.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.79ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.94ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 49.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 694.29ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 56.0MB in the end (delta: -6.1MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * CodeCheck took 14.18ms. Allocated memory is still 83.9MB. Free memory was 55.6MB in the beginning and 54.6MB in the end (delta: 939.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:07:54,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2eaf7d2-1878-4fb8-abb8-efee8876d137/bin/ukojak-pZX7IvK2PQ/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