./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-08_1a-drivers--net--ethernet--chelsio--cxgb4--cxgb4.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-08_1a-drivers--net--ethernet--chelsio--cxgb4--cxgb4.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 4bfcf4812af5e26f9fc9286770ff49321403dd0a62be7f1057790820ca1091b7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 13:18:28,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:18:28,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:18:28,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:18:28,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:18:28,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:18:28,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:18:28,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:18:28,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:18:28,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:18:28,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:18:28,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:18:28,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:18:28,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:18:28,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:18:28,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:18:28,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:18:28,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:18:28,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:18:28,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:18:28,218 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:18:28,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:18:28,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:18:28,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:18:28,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:18:28,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:18:28,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:18:28,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:18:28,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:18:28,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:18:28,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:18:28,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:18:28,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:18:28,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:18:28,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:18:28,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:18:28,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:18:28,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:18:28,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:18:28,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:18:28,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:18:28,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:18:28,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:18:28,255 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:18:28,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:18:28,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:18:28,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:18:28,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:18:28,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:18:28,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:18:28,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:18:28,257 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:18:28,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:18:28,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:18:28,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:18:28,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:18:28,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:18:28,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:18:28,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:18:28,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:18:28,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:18:28,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:18:28,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:18:28,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:18:28,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:18:28,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:18:28,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:18:28,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:18:28,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:18:28,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:18:28,261 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:18:28,261 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:18:28,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:18:28,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bfcf4812af5e26f9fc9286770ff49321403dd0a62be7f1057790820ca1091b7 [2022-07-12 13:18:28,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:18:28,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:18:28,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:18:28,511 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:18:28,511 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:18:28,512 INFO L432 ainManager$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-08_1a-drivers--net--ethernet--chelsio--cxgb4--cxgb4.ko-entry_point.cil.out.i [2022-07-12 13:18:28,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e437eae12/590c117036b64a41bc8aed640cf9879b/FLAGcf09724d8 [2022-07-12 13:18:29,646 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:18:29,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--chelsio--cxgb4--cxgb4.ko-entry_point.cil.out.i [2022-07-12 13:18:29,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e437eae12/590c117036b64a41bc8aed640cf9879b/FLAGcf09724d8 [2022-07-12 13:18:30,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e437eae12/590c117036b64a41bc8aed640cf9879b [2022-07-12 13:18:30,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:18:30,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:18:30,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:18:30,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:18:30,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:18:30,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:18:30" (1/1) ... [2022-07-12 13:18:30,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31341543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:18:30, skipping insertion in model container [2022-07-12 13:18:30,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:18:30" (1/1) ... [2022-07-12 13:18:30,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:18:30,357 INFO L178 MainTranslator]: Built tables and reachable declarations