./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/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_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7399a2144dae504b22d3bd9a68ebd91d200de1e145cd9c7db720353ffec7d306 --- 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 21:17:51,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:17:51,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:17:51,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:17:51,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:17:51,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:17:51,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:17:51,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:17:51,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:17:51,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:17:51,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:17:51,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:17:51,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:17:51,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:17:51,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:17:51,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:17:51,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:17:51,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:17:51,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:17:51,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:17:51,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:17:51,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:17:51,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:17:51,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:17:51,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:17:51,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:17:51,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:17:51,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:17:51,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:17:51,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:17:51,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:17:51,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:17:51,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:17:51,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:17:51,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:17:51,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:17:51,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:17:51,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:17:51,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:17:51,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:17:51,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:17:51,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 21:17:51,648 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:17:51,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:17:51,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:17:51,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:17:51,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:17:51,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:17:51,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:17:51,656 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:17:51,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:17:51,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:17:51,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:17:51,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:17:51,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:17:51,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:17:51,657 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:17:51,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:17:51,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:17:51,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:17:51,658 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:17:51,658 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:17:51,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:17:51,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:17:51,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:17:51,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:17:51,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:17:51,659 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:17:51,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:17:51,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:17:51,659 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_b7774430-d161-4530-99e7-91d6a89f9b71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7399a2144dae504b22d3bd9a68ebd91d200de1e145cd9c7db720353ffec7d306 [2022-12-14 21:17:51,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:17:51,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:17:51,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:17:51,881 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:17:51,881 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:17:51,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-12-14 21:17:54,381 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:17:54,598 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:17:54,599 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-12-14 21:17:54,611 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/data/caaeadad1/74ef4ffd04704cfdae6b0fcba3b83ef2/FLAGd4d42746c [2022-12-14 21:17:54,981 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/data/caaeadad1/74ef4ffd04704cfdae6b0fcba3b83ef2 [2022-12-14 21:17:54,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:17:54,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:17:54,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:17:54,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:17:54,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:17:54,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:17:54" (1/1) ... [2022-12-14 21:17:54,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e71f668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:54, skipping insertion in model container [2022-12-14 21:17:54,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:17:54" (1/1) ... [2022-12-14 21:17:54,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:17:55,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:17:55,214 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_b7774430-d161-4530-99e7-91d6a89f9b71/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-12-14 21:17:55,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:17:55,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:17:55,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:17:55,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:17:55,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:17:55,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:17:55,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:17:55,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:17:55,231 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:17:55,232 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:17:55,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:17:55,241 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:17:55,267 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_b7774430-d161-4530-99e7-91d6a89f9b71/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-12-14 21:17:55,268 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:17:55,268 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:17:55,269 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:17:55,269 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:17:55,271 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:17:55,272 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:17:55,272 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:17:55,272 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:17:55,273 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:17:55,274 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:17:55,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:17:55,295 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:17:55,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:55 WrapperNode [2022-12-14 21:17:55,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:17:55,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:17:55,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:17:55,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:17:55,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:55" (1/1) ... [2022-12-14 21:17:55,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:55" (1/1) ... [2022-12-14 21:17:55,326 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2022-12-14 21:17:55,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:17:55,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:17:55,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:17:55,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:17:55,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:55" (1/1) ... [2022-12-14 21:17:55,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:55" (1/1) ... [2022-12-14 21:17:55,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:55" (1/1) ... [2022-12-14 21:17:55,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:55" (1/1) ... [2022-12-14 21:17:55,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:55" (1/1) ... [2022-12-14 21:17:55,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:55" (1/1) ... [2022-12-14 21:17:55,343 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:55" (1/1) ... [2022-12-14 21:17:55,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:55" (1/1) ... [2022-12-14 21:17:55,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:17:55,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:17:55,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:17:55,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:17:55,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:55" (1/1) ... [2022-12-14 21:17:55,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:17:55,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:17:55,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:17:55,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:17:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 21:17:55,406 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 21:17:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 21:17:55,406 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 21:17:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:17:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 21:17:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:17:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:17:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:17:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:17:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 21:17:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:17:55,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:17:55,408 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 21:17:55,505 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:17:55,506 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:17:55,639 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:17:55,646 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:17:55,646 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 21:17:55,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:17:55 BoogieIcfgContainer [2022-12-14 21:17:55,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:17:55,649 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:17:55,649 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:17:55,657 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:17:55,658 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:17:55" (1/1) ... [2022-12-14 21:17:55,658 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 21:17:55,662 INFO L158 Benchmark]: Toolchain (without parser) took 676.08ms. Allocated memory is still 190.8MB. Free memory was 155.6MB in the beginning and 116.5MB in the end (delta: 39.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-14 21:17:55,663 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:17:55,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.14ms. Allocated memory is still 190.8MB. Free memory was 155.6MB in the beginning and 135.3MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 21:17:55,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.99ms. Allocated memory is still 190.8MB. Free memory was 135.3MB in the beginning and 133.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:17:55,665 INFO L158 Benchmark]: Boogie Preprocessor took 18.73ms. Allocated memory is still 190.8MB. Free memory was 133.3MB in the beginning and 131.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:17:55,665 INFO L158 Benchmark]: RCFGBuilder took 302.52ms. Allocated memory is still 190.8MB. Free memory was 131.3MB in the beginning and 117.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 21:17:55,666 INFO L158 Benchmark]: CodeCheck took 11.19ms. Allocated memory is still 190.8MB. Free memory was 117.3MB in the beginning and 116.5MB in the end (delta: 727.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:17:55,668 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 121.6MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.14ms. Allocated memory is still 190.8MB. Free memory was 155.6MB in the beginning and 135.3MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.99ms. Allocated memory is still 190.8MB. Free memory was 135.3MB in the beginning and 133.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.73ms. Allocated memory is still 190.8MB. Free memory was 133.3MB in the beginning and 131.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.52ms. Allocated memory is still 190.8MB. Free memory was 131.3MB in the beginning and 117.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 11.19ms. Allocated memory is still 190.8MB. Free memory was 117.3MB in the beginning and 116.5MB in the end (delta: 727.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 21:17:55,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/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_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7399a2144dae504b22d3bd9a68ebd91d200de1e145cd9c7db720353ffec7d306 --- 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 21:17:57,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:17:57,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:17:57,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:17:57,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:17:57,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:17:57,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:17:57,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:17:57,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:17:57,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:17:57,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:17:57,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:17:57,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:17:57,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:17:57,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:17:57,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:17:57,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:17:57,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:17:57,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:17:57,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:17:57,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:17:57,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:17:57,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:17:57,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:17:57,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:17:57,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:17:57,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:17:57,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:17:57,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:17:57,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:17:57,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:17:57,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:17:57,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:17:57,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:17:57,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:17:57,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:17:57,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:17:57,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:17:57,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:17:57,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:17:57,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:17:57,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-14 21:17:57,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:17:57,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:17:57,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:17:57,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:17:57,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:17:57,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:17:57,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:17:57,339 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:17:57,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:17:57,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:17:57,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:17:57,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:17:57,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:17:57,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 21:17:57,340 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 21:17:57,340 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 21:17:57,340 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:17:57,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:17:57,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:17:57,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:17:57,340 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:17:57,340 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:17:57,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:17:57,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:17:57,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:17:57,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:17:57,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:17:57,341 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 21:17:57,341 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 21:17:57,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:17:57,341 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 21:17:57,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 21:17:57,341 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_b7774430-d161-4530-99e7-91d6a89f9b71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7399a2144dae504b22d3bd9a68ebd91d200de1e145cd9c7db720353ffec7d306 [2022-12-14 21:17:57,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:17:57,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:17:57,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:17:57,620 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:17:57,620 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:17:57,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-12-14 21:18:00,255 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:18:00,421 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:18:00,421 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-12-14 21:18:00,431 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/data/b1a5fb82b/51b6f6099cfe489da25abd3f9abec8c8/FLAGefb1cd2d8 [2022-12-14 21:18:00,442 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/data/b1a5fb82b/51b6f6099cfe489da25abd3f9abec8c8 [2022-12-14 21:18:00,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:18:00,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:18:00,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:18:00,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:18:00,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:18:00,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:18:00" (1/1) ... [2022-12-14 21:18:00,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19826a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:18:00, skipping insertion in model container [2022-12-14 21:18:00,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:18:00" (1/1) ... [2022-12-14 21:18:00,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:18:00,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:18:00,673 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_b7774430-d161-4530-99e7-91d6a89f9b71/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-12-14 21:18:00,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:18:00,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:18:00,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:18:00,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:18:00,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:18:00,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:18:00,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:18:00,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:18:00,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:18:00,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:18:00,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:18:00,702 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:18:00,726 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_b7774430-d161-4530-99e7-91d6a89f9b71/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-12-14 21:18:00,727 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:18:00,728 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:18:00,728 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:18:00,729 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:18:00,731 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:18:00,731 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:18:00,731 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:18:00,732 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:18:00,733 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:18:00,733 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:18:00,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:18:00,754 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:18:00,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:18:00 WrapperNode [2022-12-14 21:18:00,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:18:00,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:18:00,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:18:00,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:18:00,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:18:00" (1/1) ... [2022-12-14 21:18:00,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:18:00" (1/1) ... [2022-12-14 21:18:00,785 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2022-12-14 21:18:00,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:18:00,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:18:00,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:18:00,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:18:00,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:18:00" (1/1) ... [2022-12-14 21:18:00,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:18:00" (1/1) ... [2022-12-14 21:18:00,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:18:00" (1/1) ... [2022-12-14 21:18:00,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:18:00" (1/1) ... [2022-12-14 21:18:00,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:18:00" (1/1) ... [2022-12-14 21:18:00,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:18:00" (1/1) ... [2022-12-14 21:18:00,804 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:18:00" (1/1) ... [2022-12-14 21:18:00,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:18:00" (1/1) ... [2022-12-14 21:18:00,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:18:00,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:18:00,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:18:00,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:18:00,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:18:00" (1/1) ... [2022-12-14 21:18:00,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:18:00,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:18:00,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:18:00,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:18:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 21:18:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 21:18:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 21:18:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 21:18:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 21:18:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:18:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:18:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:18:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 21:18:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 21:18:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 21:18:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:18:00,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:18:00,877 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 21:18:00,995 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:18:00,997 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:18:01,172 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:18:01,178 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:18:01,179 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 21:18:01,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:18:01 BoogieIcfgContainer [2022-12-14 21:18:01,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:18:01,182 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:18:01,182 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:18:01,189 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:18:01,190 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:18:01" (1/1) ... [2022-12-14 21:18:01,190 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 21:18:01,193 INFO L158 Benchmark]: Toolchain (without parser) took 747.70ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 59.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-12-14 21:18:01,193 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 31.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:18:01,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.97ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 49.0MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 21:18:01,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.43ms. Allocated memory is still 94.4MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:18:01,195 INFO L158 Benchmark]: Boogie Preprocessor took 21.75ms. Allocated memory is still 94.4MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:18:01,195 INFO L158 Benchmark]: RCFGBuilder took 372.84ms. Allocated memory is still 94.4MB. Free memory was 44.8MB in the beginning and 60.7MB in the end (delta: -15.8MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-12-14 21:18:01,196 INFO L158 Benchmark]: CodeCheck took 10.18ms. Allocated memory is still 94.4MB. Free memory was 60.7MB in the beginning and 59.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:18:01,198 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 0.11ms. Allocated memory is still 52.4MB. Free memory is still 31.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.97ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 49.0MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.43ms. Allocated memory is still 94.4MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.75ms. Allocated memory is still 94.4MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.84ms. Allocated memory is still 94.4MB. Free memory was 44.8MB in the beginning and 60.7MB in the end (delta: -15.8MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * CodeCheck took 10.18ms. Allocated memory is still 94.4MB. Free memory was 60.7MB in the beginning and 59.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 21:18:01,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7774430-d161-4530-99e7-91d6a89f9b71/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