./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful_true-unreach-call.cil.out.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_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/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 6e8c53cdfe2bfd3e7a70dfa10277166b5335b54d ........................................................................................................................................................... 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_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/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 6e8c53cdfe2bfd3e7a70dfa10277166b5335b54d ....................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult cannot be cast to de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.StringLiteralResult --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:00:45,045 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:00:45,047 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:00:45,056 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:00:45,056 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:00:45,057 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:00:45,058 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:00:45,060 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:00:45,061 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:00:45,062 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:00:45,062 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:00:45,062 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:00:45,063 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:00:45,064 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:00:45,065 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:00:45,066 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:00:45,067 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:00:45,069 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:00:45,070 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:00:45,071 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:00:45,073 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:00:45,074 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:00:45,075 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:00:45,076 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:00:45,076 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:00:45,077 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:00:45,078 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:00:45,078 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:00:45,079 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:00:45,081 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:00:45,081 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:00:45,082 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:00:45,082 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:00:45,082 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:00:45,083 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:00:45,084 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:00:45,084 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-26 23:00:45,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:00:45,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:00:45,097 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:00:45,097 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:00:45,097 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:00:45,097 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:00:45,097 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:00:45,097 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:00:45,098 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-26 23:00:45,098 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:00:45,098 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:00:45,098 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:00:45,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:00:45,099 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:00:45,099 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:00:45,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:00:45,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:00:45,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:00:45,099 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:00:45,099 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:00:45,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:00:45,102 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:00:45,102 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:00:45,102 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:00:45,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:00:45,102 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:00:45,102 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:00:45,103 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:00:45,103 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:00:45,103 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:00:45,103 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:00:45,103 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:00:45,103 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 23:00:45,103 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_518955bc-ba6c-48a0-9832-40a737f57159/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 -> 6e8c53cdfe2bfd3e7a70dfa10277166b5335b54d [2018-10-26 23:00:45,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:00:45,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:00:45,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:00:45,145 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:00:45,146 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:00:45,146 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful_true-unreach-call.cil.out.c [2018-10-26 23:00:45,192 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/data/c249ba755/79b893e78d234182aa8364a483ed628d/FLAG33461594a [2018-10-26 23:00:45,967 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:00:45,970 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful_true-unreach-call.cil.out.c [2018-10-26 23:00:46,031 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/data/c249ba755/79b893e78d234182aa8364a483ed628d/FLAG33461594a [2018-10-26 23:00:46,045 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/data/c249ba755/79b893e78d234182aa8364a483ed628d [2018-10-26 23:00:46,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:00:46,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:00:46,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:00:46,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:00:46,055 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:00:46,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:00:46" (1/1) ... [2018-10-26 23:00:46,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b124e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:46, skipping insertion in model container [2018-10-26 23:00:46,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:00:46" (1/1) ... [2018-10-26 23:00:46,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:00:46,225 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:00:50,109 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:00:50,110 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ClassCastException: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult cannot be cast to de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.StringLiteralResult at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.constructInitializerInfo(InitializationHandler.java:1003) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.createUltimateInitProcedure(PostProcessor.java:692) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.postProcess(PostProcessor.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:564) 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:188) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 23:00:50,113 INFO L168 Benchmark]: Toolchain (without parser) took 4062.99 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 382.2 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 369.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:00:50,114 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:00:50,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4060.49 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 382.2 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 369.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:00:50,116 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 4060.49 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 382.2 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 369.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ClassCastException: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult cannot be cast to de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.StringLiteralResult de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ClassCastException: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult cannot be cast to de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.StringLiteralResult: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.constructInitializerInfo(InitializationHandler.java:1003) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:00:51,827 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:00:51,830 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:00:51,839 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:00:51,839 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:00:51,840 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:00:51,841 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:00:51,842 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:00:51,843 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:00:51,844 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:00:51,845 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:00:51,845 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:00:51,845 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:00:51,846 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:00:51,847 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:00:51,848 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:00:51,848 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:00:51,850 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:00:51,851 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:00:51,852 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:00:51,853 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:00:51,854 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:00:51,856 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:00:51,856 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:00:51,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:00:51,857 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:00:51,858 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:00:51,858 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:00:51,859 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:00:51,860 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:00:51,860 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:00:51,860 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:00:51,861 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:00:51,861 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:00:51,861 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:00:51,862 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:00:51,862 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-10-26 23:00:51,873 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:00:51,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:00:51,874 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:00:51,874 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:00:51,874 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:00:51,875 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:00:51,875 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:00:51,875 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:00:51,875 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:00:51,876 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:00:51,876 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:00:51,876 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:00:51,876 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:00:51,876 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 23:00:51,876 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 23:00:51,876 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:00:51,877 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:00:51,877 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:00:51,877 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:00:51,877 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:00:51,877 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:00:51,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:00:51,877 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:00:51,877 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:00:51,878 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:00:51,878 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 23:00:51,878 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:00:51,878 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 23:00:51,878 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 23:00:51,878 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_518955bc-ba6c-48a0-9832-40a737f57159/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 -> 6e8c53cdfe2bfd3e7a70dfa10277166b5335b54d [2018-10-26 23:00:51,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:00:51,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:00:51,934 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:00:51,935 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:00:51,935 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:00:51,936 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful_true-unreach-call.cil.out.c [2018-10-26 23:00:51,981 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/data/50018919a/3c0016b138bf443988cb832035705878/FLAG3be164a15 [2018-10-26 23:00:52,717 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:00:52,717 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful_true-unreach-call.cil.out.c [2018-10-26 23:00:52,771 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/data/50018919a/3c0016b138bf443988cb832035705878/FLAG3be164a15 [2018-10-26 23:00:52,781 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_518955bc-ba6c-48a0-9832-40a737f57159/bin-2019/utaipan/data/50018919a/3c0016b138bf443988cb832035705878 [2018-10-26 23:00:52,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:00:52,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:00:52,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:00:52,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:00:52,793 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:00:52,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:00:52" (1/1) ... [2018-10-26 23:00:52,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385e4cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:52, skipping insertion in model container [2018-10-26 23:00:52,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:00:52" (1/1) ... [2018-10-26 23:00:52,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:00:52,958 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:00:56,895 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:00:56,896 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ClassCastException: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult cannot be cast to de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.StringLiteralResult at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.constructInitializerInfo(InitializationHandler.java:1003) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.createUltimateInitProcedure(PostProcessor.java:692) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.postProcess(PostProcessor.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:564) 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:188) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 23:00:56,899 INFO L168 Benchmark]: Toolchain (without parser) took 4114.95 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 937.0 MB in the beginning and 719.0 MB in the end (delta: 217.9 MB). Peak memory consumption was 442.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:00:56,902 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:00:56,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4112.63 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 937.0 MB in the beginning and 719.0 MB in the end (delta: 217.9 MB). Peak memory consumption was 442.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:00:56,905 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 4112.63 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 937.0 MB in the beginning and 719.0 MB in the end (delta: 217.9 MB). Peak memory consumption was 442.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ClassCastException: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult cannot be cast to de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.StringLiteralResult de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ClassCastException: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult cannot be cast to de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.StringLiteralResult: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.constructInitializerInfo(InitializationHandler.java:1003) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...