./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--raid456.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--raid456.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c3dbf2c44e5d70b9c026e25429eb7290238d1563963b6861d1a2ea3289d7dbe7 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 18:58:28,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 18:58:28,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 18:58:28,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 18:58:28,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 18:58:28,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 18:58:28,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 18:58:28,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 18:58:28,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 18:58:28,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 18:58:28,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 18:58:28,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 18:58:28,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 18:58:28,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 18:58:28,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 18:58:28,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 18:58:28,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 18:58:29,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 18:58:29,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 18:58:29,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 18:58:29,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 18:58:29,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 18:58:29,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 18:58:29,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 18:58:29,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 18:58:29,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 18:58:29,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 18:58:29,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 18:58:29,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 18:58:29,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 18:58:29,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 18:58:29,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 18:58:29,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 18:58:29,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 18:58:29,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 18:58:29,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 18:58:29,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 18:58:29,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 18:58:29,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 18:58:29,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 18:58:29,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 18:58:29,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 18:58:29,064 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 18:58:29,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 18:58:29,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 18:58:29,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 18:58:29,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 18:58:29,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 18:58:29,068 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 18:58:29,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 18:58:29,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 18:58:29,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 18:58:29,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 18:58:29,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 18:58:29,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 18:58:29,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 18:58:29,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 18:58:29,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 18:58:29,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 18:58:29,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 18:58:29,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 18:58:29,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 18:58:29,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 18:58:29,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 18:58:29,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 18:58:29,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 18:58:29,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 18:58:29,072 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 18:58:29,072 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 18:58:29,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 18:58:29,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 18:58:29,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3dbf2c44e5d70b9c026e25429eb7290238d1563963b6861d1a2ea3289d7dbe7 [2021-11-05 18:58:29,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 18:58:29,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 18:58:29,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 18:58:29,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 18:58:29,358 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 18:58:29,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--raid456.ko-entry_point.cil.out.i [2021-11-05 18:58:29,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2ac3afe6/25c419bac8ed42c19fded12ec38df229/FLAGcf36c9956 [2021-11-05 18:58:30,229 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 18:58:30,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--raid456.ko-entry_point.cil.out.i [2021-11-05 18:58:30,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2ac3afe6/25c419bac8ed42c19fded12ec38df229/FLAGcf36c9956 [2021-11-05 18:58:30,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2ac3afe6/25c419bac8ed42c19fded12ec38df229 [2021-11-05 18:58:30,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 18:58:30,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 18:58:30,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 18:58:30,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 18:58:30,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 18:58:30,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:58:30" (1/1) ... [2021-11-05 18:58:30,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611fea9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:58:30, skipping insertion in model container [2021-11-05 18:58:30,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:58:30" (1/1) ... [2021-11-05 18:58:30,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 18:58:30,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 18:58:34,241 WARN L1529 CHandler]: Possible shadowing of function abort [2021-11-05 18:58:34,243 WARN L1529 CHandler]: Possible shadowing of function abort [2021-11-05 18:58:34,244 WARN L1529 CHandler]: Possible shadowing of function abort [2021-11-05 18:58:34,244 WARN L1529 CHandler]: Possible shadowing of function abort [2021-11-05 18:58:34,245 WARN L1529 CHandler]: Possible shadowing of function abort [2021-11-05 18:58:35,199 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--raid456.ko-entry_point.cil.out.i[665416,665429] [2021-11-05 18:58:35,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 18:58:35,299 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 18:58:35,680 WARN L1529 CHandler]: Possible shadowing of function abort [2021-11-05 18:58:35,681 WARN L1529 CHandler]: Possible shadowing of function abort [2021-11-05 18:58:35,681 WARN L1529 CHandler]: Possible shadowing of function abort [2021-11-05 18:58:35,681 WARN L1529 CHandler]: Possible shadowing of function abort [2021-11-05 18:58:35,682 WARN L1529 CHandler]: Possible shadowing of function abort [2021-11-05 18:58:36,037 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--raid456.ko-entry_point.cil.out.i[665416,665429] [2021-11-05 18:58:36,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 18:58:36,175 INFO L208 MainTranslator]: Completed translation [2021-11-05 18:58:36,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:58:36 WrapperNode [2021-11-05 18:58:36,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 18:58:36,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 18:58:36,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 18:58:36,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 18:58:36,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:58:36" (1/1) ... [2021-11-05 18:58:36,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:58:36" (1/1) ...