./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14__linux-alloc-spinlock__drivers-net-ethernet-via-via-velocity_true-unreach-call.cil.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c47cab02-e46a-444b-b927-78fd18584ed0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c47cab02-e46a-444b-b927-78fd18584ed0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c47cab02-e46a-444b-b927-78fd18584ed0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c47cab02-e46a-444b-b927-78fd18584ed0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14__linux-alloc-spinlock__drivers-net-ethernet-via-via-velocity_true-unreach-call.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c47cab02-e46a-444b-b927-78fd18584ed0/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c47cab02-e46a-444b-b927-78fd18584ed0/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eed8ed67f7c24e20809cea248be82e76f77f8a42 ......................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: TYPE ERROR --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:30:30,608 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:30:30,609 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:30:30,617 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:30:30,617 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:30:30,618 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:30:30,619 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:30:30,620 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:30:30,621 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:30:30,622 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:30:30,622 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:30:30,622 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:30:30,623 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:30:30,624 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:30:30,624 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:30:30,625 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:30:30,625 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:30:30,626 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:30:30,628 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:30:30,629 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:30:30,629 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:30:30,630 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:30:30,632 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:30:30,632 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:30:30,632 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:30:30,633 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:30:30,633 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:30:30,634 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:30:30,634 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:30:30,635 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:30:30,635 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:30:30,636 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:30:30,636 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:30:30,636 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:30:30,637 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:30:30,637 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:30:30,637 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c47cab02-e46a-444b-b927-78fd18584ed0/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-10 05:30:30,647 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:30:30,647 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:30:30,648 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:30:30,648 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:30:30,649 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:30:30,649 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:30:30,649 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:30:30,649 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:30:30,649 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:30:30,649 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:30:30,649 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:30:30,649 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:30:30,650 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:30:30,650 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:30:30,650 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:30:30,650 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:30:30,650 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:30:30,651 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:30:30,651 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:30:30,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:30:30,652 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:30:30,652 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:30:30,652 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:30:30,652 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 05:30:30,652 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:30:30,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:30:30,653 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 05:30:30,653 INFO L133 SettingsManager]: * To the following directory=dump/ 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-vcloud-master/worker/working_dir_c47cab02-e46a-444b-b927-78fd18584ed0/bin-2019/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed8ed67f7c24e20809cea248be82e76f77f8a42 [2018-11-10 05:30:30,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:30:30,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:30:30,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:30:30,691 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:30:30,691 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:30:30,692 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c47cab02-e46a-444b-b927-78fd18584ed0/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-challenges/linux-3.14__linux-alloc-spinlock__drivers-net-ethernet-via-via-velocity_true-unreach-call.cil.c [2018-11-10 05:30:30,738 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c47cab02-e46a-444b-b927-78fd18584ed0/bin-2019/uautomizer/data/b9ba8673d/4dcba241864e416b9cac956de05e7038/FLAGc8926a5f0 [2018-11-10 05:30:31,300 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:30:31,300 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c47cab02-e46a-444b-b927-78fd18584ed0/sv-benchmarks/c/ldv-challenges/linux-3.14__linux-alloc-spinlock__drivers-net-ethernet-via-via-velocity_true-unreach-call.cil.c [2018-11-10 05:30:31,330 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c47cab02-e46a-444b-b927-78fd18584ed0/bin-2019/uautomizer/data/b9ba8673d/4dcba241864e416b9cac956de05e7038/FLAGc8926a5f0 [2018-11-10 05:30:31,340 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c47cab02-e46a-444b-b927-78fd18584ed0/bin-2019/uautomizer/data/b9ba8673d/4dcba241864e416b9cac956de05e7038 [2018-11-10 05:30:31,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:30:31,343 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 05:30:31,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:30:31,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:30:31,346 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:30:31,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:30:31" (1/1) ... [2018-11-10 05:30:31,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f659d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:31, skipping insertion in model container [2018-11-10 05:30:31,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:30:31" (1/1) ... [2018-11-10 05:30:31,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:30:31,455 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:30:35,818 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:30:35,911 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:30:37,117 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:30:37,919 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:30:37,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:37 WrapperNode [2018-11-10 05:30:37,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:30:37,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:30:37,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:30:37,921 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:30:37,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:37" (1/1) ... [2018-11-10 05:30:37,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:37" (1/1) ... [2018-11-10 05:30:37,971 ERROR L1123 TypeChecker]: : Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret2016,]],velocity_get_sset_count,[IdentifierExpression[#~1625,],IdentifierExpression[#~1626,]]] [2018-11-10 05:30:37,972 ERROR L1123 TypeChecker]: : Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret2015,]],velocity_poll,[IdentifierExpression[#~1625,],IdentifierExpression[#~1626,]]] [2018-11-10 05:30:37,972 ERROR L1123 TypeChecker]: : Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret2014,]],velocity_change_mtu,[IdentifierExpression[#~1625,],IdentifierExpression[#~1626,]]] [2018-11-10 05:30:37,992 ERROR L1123 TypeChecker]: C: velocity_ethtool_ops [11784]: Undeclared identifier ~#velocity_ethtool_ops~0 in IdentifierExpression[~#velocity_ethtool_ops~0,GLOBAL] [2018-11-10 05:30:37,992 ERROR L1123 TypeChecker]: C: netdev->ethtool_ops = & velocity_ethtool_ops [11784]: Wrong parameter type at index 0: CallStatement[false,[],write~$Pointer$,[IdentifierExpression[~#velocity_ethtool_ops~0,GLOBAL],StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~netdev~1,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~netdev~1,],offset],IntegerLiteral[476]]]],IntegerLiteral[8]]] [2018-11-10 05:30:38,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:37" (1/1) ... [2018-11-10 05:30:38,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:37" (1/1) ... [2018-11-10 05:30:38,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:37" (1/1) ... [2018-11-10 05:30:38,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:37" (1/1) ... [2018-11-10 05:30:38,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:37" (1/1) ... [2018-11-10 05:30:38,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:30:38,307 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder [2018-11-10 05:30:38,307 INFO L168 Benchmark]: Toolchain (without parser) took 6965.36 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 873.5 MB). Free memory was 939.1 MB in the beginning and 1.7 GB in the end (delta: -807.4 MB). Peak memory consumption was 812.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:30:38,309 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:30:38,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6576.86 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 633.3 MB). Free memory was 939.1 MB in the beginning and 805.8 MB in the end (delta: 133.3 MB). Peak memory consumption was 801.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:30:38,310 INFO L168 Benchmark]: Boogie Preprocessor took 386.24 ms. Allocated memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: 240.1 MB). Free memory was 805.8 MB in the beginning and 1.7 GB in the end (delta: -940.7 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:30:38,312 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 6576.86 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 633.3 MB). Free memory was 939.1 MB in the beginning and 805.8 MB in the end (delta: 133.3 MB). Peak memory consumption was 801.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 386.24 ms. Allocated memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: 240.1 MB). Free memory was 805.8 MB in the beginning and 1.7 GB in the end (delta: -940.7 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: -1]: Type Error Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret2016,]],velocity_get_sset_count,[IdentifierExpression[#~1625,],IdentifierExpression[#~1626,]]] - TypeErrorResult [Line: -1]: Type Error Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret2015,]],velocity_poll,[IdentifierExpression[#~1625,],IdentifierExpression[#~1626,]]] - TypeErrorResult [Line: -1]: Type Error Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret2014,]],velocity_change_mtu,[IdentifierExpression[#~1625,],IdentifierExpression[#~1626,]]] - TypeErrorResult [Line: 11784]: Type Error Undeclared identifier ~#velocity_ethtool_ops~0 in IdentifierExpression[~#velocity_ethtool_ops~0,GLOBAL] - TypeErrorResult [Line: 11784]: Type Error Wrong parameter type at index 0: CallStatement[false,[],write~$Pointer$,[IdentifierExpression[~#velocity_ethtool_ops~0,GLOBAL],StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~netdev~1,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~netdev~1,],offset],IntegerLiteral[476]]]],IntegerLiteral[8]]] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...