./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e431f60213f87ee29e5be7b8dfa9ef57dd2da12d ............................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e431f60213f87ee29e5be7b8dfa9ef57dd2da12d .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:07:45,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:45,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:46,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:46,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:46,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:46,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:46,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:46,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:46,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:46,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:46,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:46,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:46,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:46,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:46,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:46,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:46,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:46,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:46,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:46,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:46,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:46,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:46,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:46,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:46,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:46,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:46,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:46,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:46,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:46,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:46,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:46,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:46,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:46,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:46,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:46,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:46,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:46,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:46,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:46,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:46,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-22 13:07:46,097 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:46,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:46,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:46,099 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:46,099 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:46,099 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:46,100 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:07:46,100 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:46,100 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:46,100 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:07:46,101 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:07:46,101 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:46,101 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:07:46,102 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:07:46,102 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:07:46,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:46,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:07:46,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:46,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:07:46,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:46,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:07:46,104 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:46,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:07:46,105 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:46,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:07:46,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:46,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:46,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:46,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:46,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:46,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:46,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:07:46,107 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:07:46,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:07:46,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:07:46,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:46,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:46,108 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-22 13:07:46,109 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e431f60213f87ee29e5be7b8dfa9ef57dd2da12d [2020-11-22 13:07:46,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:07:46,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:07:46,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:07:46,398 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:07:46,399 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:07:46,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2020-11-22 13:07:46,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/data/67d0950ab/a8fe715fb0a6457ca0603a7f84d4bf29/FLAG542a16837 [2020-11-22 13:07:47,717 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:07:47,718 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2020-11-22 13:07:47,809 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/data/67d0950ab/a8fe715fb0a6457ca0603a7f84d4bf29/FLAG542a16837 [2020-11-22 13:07:47,902 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/data/67d0950ab/a8fe715fb0a6457ca0603a7f84d4bf29 [2020-11-22 13:07:47,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:07:47,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:07:47,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:47,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:07:47,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:07:47,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:47" (1/1) ... [2020-11-22 13:07:47,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469d3b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:47, skipping insertion in model container [2020-11-22 13:07:47,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:47" (1/1) ... [2020-11-22 13:07:47,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:07:48,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:07:50,720 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: byte size smaller than 1 makes no sense at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1031) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:939) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) 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:1045) 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:1045) 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:1045) 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:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-22 13:07:50,725 INFO L168 Benchmark]: Toolchain (without parser) took 2815.98 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 70.0 MB in the beginning and 92.3 MB in the end (delta: -22.3 MB). Peak memory consumption was 49.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:50,726 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 107.0 MB. Free memory was 79.0 MB in the beginning and 78.9 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:07:50,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2811.13 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 69.6 MB in the beginning and 92.3 MB in the end (delta: -22.7 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:50,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 107.0 MB. Free memory was 79.0 MB in the beginning and 78.9 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2811.13 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 69.6 MB in the beginning and 92.3 MB in the end (delta: -22.7 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: byte size smaller than 1 makes no sense de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: byte size smaller than 1 makes no sense: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:193) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:07:52,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:52,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:52,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:52,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:52,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:52,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:52,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:52,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:52,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:52,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:52,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:52,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:52,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:52,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:52,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:52,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:53,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:53,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:53,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:53,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:53,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:53,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:53,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:53,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:53,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:53,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:53,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:53,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:53,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:53,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:53,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:53,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:53,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:53,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:53,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:53,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:53,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:53,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:53,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:53,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:53,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-22 13:07:53,086 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:53,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:53,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:53,089 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:53,089 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:53,089 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:53,089 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:53,090 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:53,090 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:53,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:53,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:53,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:07:53,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:53,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:07:53,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:53,094 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:07:53,094 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:07:53,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:07:53,095 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:53,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:07:53,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:53,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:07:53,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:53,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:53,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:53,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:53,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:53,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:07:53,098 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:07:53,098 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:07:53,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:07:53,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:53,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:53,099 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e431f60213f87ee29e5be7b8dfa9ef57dd2da12d [2020-11-22 13:07:53,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:07:53,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:07:53,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:07:53,547 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:07:53,548 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:07:53,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2020-11-22 13:07:53,619 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/data/a9a112cb4/c22623e4b1544dddb12ff64e617d34b7/FLAGcf7a8ff36 [2020-11-22 13:07:54,761 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:07:54,762 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2020-11-22 13:07:54,818 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/data/a9a112cb4/c22623e4b1544dddb12ff64e617d34b7/FLAGcf7a8ff36 [2020-11-22 13:07:55,055 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d56c308-c4c4-4106-9c99-3132cc6f481b/bin/utaipan/data/a9a112cb4/c22623e4b1544dddb12ff64e617d34b7 [2020-11-22 13:07:55,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:07:55,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:07:55,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:55,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:07:55,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:07:55,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:55" (1/1) ... [2020-11-22 13:07:55,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f075161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:55, skipping insertion in model container [2020-11-22 13:07:55,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:55" (1/1) ... [2020-11-22 13:07:55,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:07:55,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:07:58,009 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 13:07:58,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3de0302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:58, skipping insertion in model container [2020-11-22 13:07:58,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:58,011 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:07:58,013 INFO L168 Benchmark]: Toolchain (without parser) took 2953.10 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 30.1 MB in the beginning and 59.1 MB in the end (delta: -29.0 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:58,015 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 58.7 MB. Free memory was 40.5 MB in the beginning and 40.5 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:07:58,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2950.90 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 30.0 MB in the beginning and 59.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:58,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 58.7 MB. Free memory was 40.5 MB in the beginning and 40.5 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2950.90 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 30.0 MB in the beginning and 59.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9724]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...