./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--lustre--lustre--llite--lustre.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--lustre--lustre--llite--lustre.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2a3a2697b8de97f4fc1eb3909d963b77eb42e6c9 .................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--lustre--lustre--llite--lustre.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2a3a2697b8de97f4fc1eb3909d963b77eb42e6c9 ...................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: TypeCheckException: Type mismatch (bv32 != { base:bv32, offset:bv32 }) in C: (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) ? (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) : discon_alias [41143] --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:53:05,508 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:53:05,510 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:53:05,517 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:53:05,517 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:53:05,518 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:53:05,518 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:53:05,519 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:53:05,520 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:53:05,521 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:53:05,522 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:53:05,522 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:53:05,523 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:53:05,523 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:53:05,524 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:53:05,525 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:53:05,525 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:53:05,527 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:53:05,528 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:53:05,529 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:53:05,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:53:05,531 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:53:05,532 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:53:05,532 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:53:05,532 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:53:05,533 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:53:05,534 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:53:05,534 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:53:05,535 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:53:05,536 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:53:05,536 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:53:05,536 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:53:05,537 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:53:05,537 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:53:05,537 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:53:05,538 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:53:05,538 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-18 12:53:05,549 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:53:05,549 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:53:05,550 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:53:05,550 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:53:05,550 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:53:05,550 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:53:05,550 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:53:05,550 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:53:05,550 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:53:05,550 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:53:05,550 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-18 12:53:05,551 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:53:05,551 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:53:05,551 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:53:05,551 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:53:05,551 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:53:05,552 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:53:05,552 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:53:05,552 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:53:05,552 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:53:05,552 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:53:05,552 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:53:05,552 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:53:05,552 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:53:05,553 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:53:05,553 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:53:05,553 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:53:05,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:53:05,553 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:53:05,553 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:53:05,553 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:53:05,554 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:53:05,554 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:53:05,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:53:05,554 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:53:05,554 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-18 12:53:05,554 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan 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 -> Taipan 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 -> 2a3a2697b8de97f4fc1eb3909d963b77eb42e6c9 [2018-11-18 12:53:05,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:53:05,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:53:05,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:53:05,587 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:53:05,588 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:53:05,588 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--lustre--lustre--llite--lustre.ko-entry_point_true-unreach-call.cil.out.c [2018-11-18 12:53:05,625 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/data/218839f03/f6dda3c34b4d4296838565780429245c/FLAGf25579575 [2018-11-18 12:53:06,728 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:53:06,729 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--lustre--lustre--llite--lustre.ko-entry_point_true-unreach-call.cil.out.c [2018-11-18 12:53:06,846 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/data/218839f03/f6dda3c34b4d4296838565780429245c/FLAGf25579575 [2018-11-18 12:53:07,107 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/data/218839f03/f6dda3c34b4d4296838565780429245c [2018-11-18 12:53:07,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:53:07,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:53:07,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:53:07,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:53:07,115 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:53:07,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:53:07" (1/1) ... [2018-11-18 12:53:07,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f74e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:07, skipping insertion in model container [2018-11-18 12:53:07,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:53:07" (1/1) ... [2018-11-18 12:53:07,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:53:07,545 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:53:30,288 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type mismatch (int != { base:int, offset:int }) in C: (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) ? (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) : discon_alias [41143] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckAssignStatement(TypeCheckHelper.java:288) at de.uni_freiburg.informatik.ultimate.boogie.StatementFactory.constructAssignmentStatement(StatementFactory.java:62) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.assignAuxVar(CHandler.java:4117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleConditionalOperator(CHandler.java:4075) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:998) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:662) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1577) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:202) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1324) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3277) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2079) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:535) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 12:53:30,291 INFO L168 Benchmark]: Toolchain (without parser) took 23180.38 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 864.9 MB in the beginning and 1.2 GB in the end (delta: -345.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-18 12:53:30,293 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:53:30,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 23178.29 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 864.9 MB in the beginning and 1.2 GB in the end (delta: -345.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-18 12:53:30,297 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 23178.29 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 864.9 MB in the beginning and 1.2 GB in the end (delta: -345.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type mismatch (int != { base:int, offset:int }) in C: (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) ? (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) : discon_alias [41143] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type mismatch (int != { base:int, offset:int }) in C: (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) ? (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) : discon_alias [41143]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 12:53:31,582 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:53:31,584 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:53:31,591 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:53:31,591 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:53:31,592 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:53:31,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:53:31,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:53:31,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:53:31,595 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:53:31,596 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:53:31,596 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:53:31,597 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:53:31,598 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:53:31,598 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:53:31,599 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:53:31,600 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:53:31,601 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:53:31,602 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:53:31,603 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:53:31,604 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:53:31,605 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:53:31,607 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:53:31,607 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:53:31,607 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:53:31,608 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:53:31,608 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:53:31,609 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:53:31,609 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:53:31,610 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:53:31,610 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:53:31,611 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:53:31,611 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:53:31,611 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:53:31,612 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:53:31,612 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:53:31,612 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-18 12:53:31,623 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:53:31,623 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:53:31,623 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:53:31,624 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:53:31,624 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:53:31,624 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:53:31,624 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:53:31,624 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:53:31,624 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:53:31,624 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:53:31,625 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:53:31,625 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:53:31,625 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:53:31,625 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:53:31,625 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:53:31,626 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:53:31,626 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:53:31,626 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:53:31,626 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:53:31,626 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:53:31,626 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:53:31,626 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:53:31,626 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:53:31,627 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:53:31,627 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:53:31,627 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:53:31,627 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:53:31,627 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:53:31,627 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 12:53:31,627 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:53:31,628 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:53:31,628 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:53:31,628 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan 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 -> Taipan 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 -> 2a3a2697b8de97f4fc1eb3909d963b77eb42e6c9 [2018-11-18 12:53:31,655 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:53:31,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:53:31,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:53:31,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:53:31,667 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:53:31,667 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--lustre--lustre--llite--lustre.ko-entry_point_true-unreach-call.cil.out.c [2018-11-18 12:53:31,703 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/data/c7cb66727/54f29a6cd1374da19cbc708f8283bff1/FLAGffcab3fa2 [2018-11-18 12:53:32,661 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:53:32,662 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--lustre--lustre--llite--lustre.ko-entry_point_true-unreach-call.cil.out.c [2018-11-18 12:53:32,736 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/data/c7cb66727/54f29a6cd1374da19cbc708f8283bff1/FLAGffcab3fa2 [2018-11-18 12:53:33,184 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e63ac91-d52c-40db-9695-ca894e434f82/bin-2019/utaipan/data/c7cb66727/54f29a6cd1374da19cbc708f8283bff1 [2018-11-18 12:53:33,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:53:33,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:53:33,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:53:33,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:53:33,190 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:53:33,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:53:33" (1/1) ... [2018-11-18 12:53:33,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43147bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:33, skipping insertion in model container [2018-11-18 12:53:33,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:53:33" (1/1) ... [2018-11-18 12:53:33,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:53:33,561 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:53:56,286 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type mismatch (bv32 != { base:bv32, offset:bv32 }) in C: (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) ? (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) : discon_alias [41143] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckAssignStatement(TypeCheckHelper.java:288) at de.uni_freiburg.informatik.ultimate.boogie.StatementFactory.constructAssignmentStatement(StatementFactory.java:62) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.assignAuxVar(CHandler.java:4117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleConditionalOperator(CHandler.java:4075) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:998) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:662) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1577) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:202) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1324) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3277) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2079) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:535) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 12:53:56,289 INFO L168 Benchmark]: Toolchain (without parser) took 23102.08 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 857.3 MB in the beginning and 1.3 GB in the end (delta: -437.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-18 12:53:56,290 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:53:56,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 23100.50 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 857.3 MB in the beginning and 1.3 GB in the end (delta: -437.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-18 12:53:56,293 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 23100.50 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 857.3 MB in the beginning and 1.3 GB in the end (delta: -437.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type mismatch (bv32 != { base:bv32, offset:bv32 }) in C: (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) ? (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) : discon_alias [41143] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type mismatch (bv32 != { base:bv32, offset:bv32 }) in C: (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) ? (unsigned long )invalid_alias != (unsigned long )((struct dentry *)0) : discon_alias [41143]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...