./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/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_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:52:43,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:52:44,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:52:44,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:52:44,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:52:44,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:52:44,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:52:44,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:52:44,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:52:44,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:52:44,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:52:44,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:52:44,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:52:44,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:52:44,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:52:44,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:52:44,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:52:44,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:52:44,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:52:44,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:52:44,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:52:44,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:52:44,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:52:44,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:52:44,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:52:44,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:52:44,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:52:44,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:52:44,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:52:44,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:52:44,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:52:44,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:52:44,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:52:44,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:52:44,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:52:44,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:52:44,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:52:44,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:52:44,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:52:44,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:52:44,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:52:44,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 23:52:44,058 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:52:44,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:52:44,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:52:44,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:52:44,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:52:44,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:52:44,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:52:44,060 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:52:44,060 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:52:44,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:52:44,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:52:44,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:52:44,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:52:44,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:52:44,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:52:44,061 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:52:44,061 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:52:44,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:52:44,061 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:52:44,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:52:44,061 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:52:44,061 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:52:44,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:52:44,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:52:44,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:52:44,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:52:44,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:52:44,062 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:52:44,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:52:44,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:52:44,062 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_f48ed410-e4a9-45e8-b7df-a6ba8db58129/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2022-12-14 23:52:44,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:52:44,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:52:44,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:52:44,257 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:52:44,258 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:52:44,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2022-12-14 23:52:46,820 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:52:47,011 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:52:47,011 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2022-12-14 23:52:47,021 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/data/0dc3b61d4/ca94a55a534e44d3b99a453697d92543/FLAG727049d6f [2022-12-14 23:52:47,032 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/data/0dc3b61d4/ca94a55a534e44d3b99a453697d92543 [2022-12-14 23:52:47,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:52:47,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:52:47,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:52:47,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:52:47,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:52:47,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:52:47" (1/1) ... [2022-12-14 23:52:47,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4121de0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:47, skipping insertion in model container [2022-12-14 23:52:47,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:52:47" (1/1) ... [2022-12-14 23:52:47,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:52:47,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:52:47,437 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_f48ed410-e4a9-45e8-b7df-a6ba8db58129/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2022-12-14 23:52:47,446 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:47,446 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:47,446 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:47,447 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:47,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:52:47,484 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:52:47,519 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_f48ed410-e4a9-45e8-b7df-a6ba8db58129/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2022-12-14 23:52:47,523 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:47,524 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:47,524 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:47,524 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:47,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:52:47,591 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:52:47,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:47 WrapperNode [2022-12-14 23:52:47,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:52:47,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:52:47,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:52:47,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:52:47,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:47" (1/1) ... [2022-12-14 23:52:47,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:47" (1/1) ... [2022-12-14 23:52:47,636 INFO L138 Inliner]: procedures = 277, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 192 [2022-12-14 23:52:47,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:52:47,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:52:47,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:52:47,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:52:47,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:47" (1/1) ... [2022-12-14 23:52:47,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:47" (1/1) ... [2022-12-14 23:52:47,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:47" (1/1) ... [2022-12-14 23:52:47,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:47" (1/1) ... [2022-12-14 23:52:47,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:47" (1/1) ... [2022-12-14 23:52:47,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:47" (1/1) ... [2022-12-14 23:52:47,666 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:47" (1/1) ... [2022-12-14 23:52:47,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:47" (1/1) ... [2022-12-14 23:52:47,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:52:47,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:52:47,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:52:47,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:52:47,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:47" (1/1) ... [2022-12-14 23:52:47,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:52:47,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:52:47,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:52:47,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:52:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:52:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 23:52:47,737 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 23:52:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 23:52:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:52:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:52:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:52:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 23:52:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 23:52:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:52:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 23:52:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 23:52:47,739 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 23:52:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:52:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:52:47,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:52:47,740 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 23:52:47,857 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:52:47,859 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:52:48,140 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:52:48,147 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:52:48,147 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-12-14 23:52:48,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:52:48 BoogieIcfgContainer [2022-12-14 23:52:48,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:52:48,149 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:52:48,149 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:52:48,157 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:52:48,157 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:52:48" (1/1) ... [2022-12-14 23:52:48,157 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 23:52:48,160 INFO L158 Benchmark]: Toolchain (without parser) took 1124.64ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 76.7MB in the beginning and 91.0MB in the end (delta: -14.3MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-12-14 23:52:48,161 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:52:48,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.66ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 76.7MB in the beginning and 119.6MB in the end (delta: -42.9MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2022-12-14 23:52:48,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.53ms. Allocated memory is still 151.0MB. Free memory was 119.6MB in the beginning and 117.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:52:48,162 INFO L158 Benchmark]: Boogie Preprocessor took 34.42ms. Allocated memory is still 151.0MB. Free memory was 117.5MB in the beginning and 114.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:52:48,162 INFO L158 Benchmark]: RCFGBuilder took 476.48ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 92.3MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 23:52:48,163 INFO L158 Benchmark]: CodeCheck took 9.72ms. Allocated memory is still 151.0MB. Free memory was 92.3MB in the beginning and 91.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:52:48,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.66ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 76.7MB in the beginning and 119.6MB in the end (delta: -42.9MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.53ms. Allocated memory is still 151.0MB. Free memory was 119.6MB in the beginning and 117.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.42ms. Allocated memory is still 151.0MB. Free memory was 117.5MB in the beginning and 114.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.48ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 92.3MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 9.72ms. Allocated memory is still 151.0MB. Free memory was 92.3MB in the beginning and 91.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:52:48,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/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_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:52:49,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:52:49,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:52:49,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:52:49,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:52:49,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:52:49,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:52:49,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:52:49,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:52:49,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:52:49,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:52:49,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:52:49,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:52:49,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:52:49,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:52:49,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:52:49,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:52:49,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:52:49,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:52:49,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:52:49,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:52:49,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:52:49,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:52:49,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:52:49,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:52:49,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:52:49,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:52:49,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:52:49,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:52:49,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:52:49,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:52:49,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:52:49,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:52:49,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:52:49,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:52:49,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:52:49,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:52:49,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:52:49,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:52:49,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:52:49,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:52:49,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-14 23:52:49,928 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:52:49,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:52:49,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:52:49,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:52:49,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:52:49,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:52:49,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:52:49,930 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:52:49,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:52:49,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:52:49,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:52:49,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:52:49,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:52:49,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:52:49,931 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 23:52:49,931 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 23:52:49,931 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:52:49,932 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 23:52:49,932 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:52:49,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:52:49,932 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:52:49,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:52:49,932 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:52:49,933 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:52:49,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:52:49,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:52:49,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:52:49,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:52:49,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:52:49,934 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 23:52:49,934 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 23:52:49,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:52:49,934 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 23:52:49,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 23:52:49,934 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_f48ed410-e4a9-45e8-b7df-a6ba8db58129/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2022-12-14 23:52:50,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:52:50,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:52:50,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:52:50,209 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:52:50,209 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:52:50,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2022-12-14 23:52:52,868 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:52:53,077 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:52:53,078 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2022-12-14 23:52:53,098 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/data/3bc283a8e/9a75dec875964c4bbce43ec8c2cf3514/FLAGa8837f2c8 [2022-12-14 23:52:53,108 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/data/3bc283a8e/9a75dec875964c4bbce43ec8c2cf3514 [2022-12-14 23:52:53,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:52:53,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:52:53,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:52:53,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:52:53,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:52:53,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:52:53" (1/1) ... [2022-12-14 23:52:53,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a8e449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:53, skipping insertion in model container [2022-12-14 23:52:53,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:52:53" (1/1) ... [2022-12-14 23:52:53,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:52:53,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:52:53,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2022-12-14 23:52:53,450 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:53,450 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:53,451 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:53,451 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:53,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:52:53,481 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 23:52:53,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:52:53,507 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_f48ed410-e4a9-45e8-b7df-a6ba8db58129/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2022-12-14 23:52:53,509 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:53,509 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:53,509 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:53,510 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:53,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:52:53,522 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:52:53,543 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_f48ed410-e4a9-45e8-b7df-a6ba8db58129/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2022-12-14 23:52:53,545 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:53,546 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:53,546 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:53,546 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 23:52:53,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:52:53,587 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:52:53,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:53 WrapperNode [2022-12-14 23:52:53,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:52:53,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:52:53,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:52:53,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:52:53,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:53" (1/1) ... [2022-12-14 23:52:53,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:53" (1/1) ... [2022-12-14 23:52:53,629 INFO L138 Inliner]: procedures = 281, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 191 [2022-12-14 23:52:53,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:52:53,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:52:53,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:52:53,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:52:53,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:53" (1/1) ... [2022-12-14 23:52:53,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:53" (1/1) ... [2022-12-14 23:52:53,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:53" (1/1) ... [2022-12-14 23:52:53,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:53" (1/1) ... [2022-12-14 23:52:53,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:53" (1/1) ... [2022-12-14 23:52:53,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:53" (1/1) ... [2022-12-14 23:52:53,654 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:53" (1/1) ... [2022-12-14 23:52:53,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:53" (1/1) ... [2022-12-14 23:52:53,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:52:53,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:52:53,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:52:53,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:52:53,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:53" (1/1) ... [2022-12-14 23:52:53,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:52:53,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:52:53,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:52:53,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:52:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 23:52:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:52:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 23:52:53,716 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 23:52:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 23:52:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:52:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 23:52:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 23:52:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 23:52:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 23:52:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 23:52:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:52:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 23:52:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 23:52:53,718 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 23:52:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:52:53,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:52:53,719 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 23:52:53,851 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:52:53,853 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:52:54,428 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:52:54,435 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:52:54,436 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-12-14 23:52:54,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:52:54 BoogieIcfgContainer [2022-12-14 23:52:54,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:52:54,438 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:52:54,439 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:52:54,445 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:52:54,445 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:52:54" (1/1) ... [2022-12-14 23:52:54,446 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 23:52:54,449 INFO L158 Benchmark]: Toolchain (without parser) took 1337.28ms. Allocated memory is still 75.5MB. Free memory was 53.1MB in the beginning and 44.3MB in the end (delta: 8.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-12-14 23:52:54,449 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:52:54,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.04ms. Allocated memory is still 75.5MB. Free memory was 52.8MB in the beginning and 34.8MB in the end (delta: 18.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-12-14 23:52:54,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.42ms. Allocated memory is still 75.5MB. Free memory was 34.7MB in the beginning and 53.3MB in the end (delta: -18.6MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-12-14 23:52:54,450 INFO L158 Benchmark]: Boogie Preprocessor took 27.83ms. Allocated memory is still 75.5MB. Free memory was 53.3MB in the beginning and 50.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:52:54,450 INFO L158 Benchmark]: RCFGBuilder took 779.80ms. Allocated memory is still 75.5MB. Free memory was 50.4MB in the beginning and 45.3MB in the end (delta: 5.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-12-14 23:52:54,451 INFO L158 Benchmark]: CodeCheck took 9.04ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 44.3MB in the end (delta: 974.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:52:54,454 INFO L339 ainManager$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 0.14ms. Allocated memory is still 54.5MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.04ms. Allocated memory is still 75.5MB. Free memory was 52.8MB in the beginning and 34.8MB in the end (delta: 18.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.42ms. Allocated memory is still 75.5MB. Free memory was 34.7MB in the beginning and 53.3MB in the end (delta: -18.6MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.83ms. Allocated memory is still 75.5MB. Free memory was 53.3MB in the beginning and 50.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 779.80ms. Allocated memory is still 75.5MB. Free memory was 50.4MB in the beginning and 45.3MB in the end (delta: 5.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * CodeCheck took 9.04ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 44.3MB in the end (delta: 974.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:52:54,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f48ed410-e4a9-45e8-b7df-a6ba8db58129/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