/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--net--fddi--skfp--skfp.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 17:34:17,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 17:34:17,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 17:34:17,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 17:34:17,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 17:34:17,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 17:34:17,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 17:34:17,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 17:34:17,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 17:34:17,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 17:34:17,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 17:34:17,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 17:34:17,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 17:34:17,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 17:34:17,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 17:34:17,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 17:34:17,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 17:34:17,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 17:34:17,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 17:34:17,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 17:34:17,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 17:34:17,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 17:34:17,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 17:34:17,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 17:34:17,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 17:34:17,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 17:34:17,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 17:34:17,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 17:34:17,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 17:34:17,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 17:34:17,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 17:34:17,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 17:34:17,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 17:34:17,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 17:34:17,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 17:34:17,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 17:34:17,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 17:34:17,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 17:34:17,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 17:34:17,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 17:34:17,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 17:34:17,119 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 17:34:17,151 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 17:34:17,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 17:34:17,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 17:34:17,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 17:34:17,154 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 17:34:17,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 17:34:17,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 17:34:17,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 17:34:17,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 17:34:17,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 17:34:17,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 17:34:17,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 17:34:17,156 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 17:34:17,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 17:34:17,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 17:34:17,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 17:34:17,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 17:34:17,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 17:34:17,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 17:34:17,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 17:34:17,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 17:34:17,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 17:34:17,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 17:34:17,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 17:34:17,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 17:34:17,159 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 17:34:17,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 17:34:17,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 17:34:17,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 17:34:17,642 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 17:34:17,643 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 17:34:17,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--net--fddi--skfp--skfp.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2020-12-22 17:34:17,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4b7828dd/8ce9866382ac4693a895c86f8a75d116/FLAG77dcaf04c [2020-12-22 17:34:19,187 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 17:34:19,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--net--fddi--skfp--skfp.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2020-12-22 17:34:19,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4b7828dd/8ce9866382ac4693a895c86f8a75d116/FLAG77dcaf04c [2020-12-22 17:34:19,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4b7828dd/8ce9866382ac4693a895c86f8a75d116 [2020-12-22 17:34:19,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 17:34:19,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 17:34:19,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 17:34:19,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 17:34:19,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 17:34:19,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:34:19" (1/1) ... [2020-12-22 17:34:19,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299e7251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:34:19, skipping insertion in model container [2020-12-22 17:34:19,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:34:19" (1/1) ... [2020-12-22 17:34:19,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 17:34:20,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 17:34:26,566 WARN L226 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-challenges/linux-3.8-rc1-32_7a-drivers--net--fddi--skfp--skfp.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[553420,553433] [2020-12-22 17:34:26,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 17:34:26,790 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 17:34:27,771 WARN L226 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-challenges/linux-3.8-rc1-32_7a-drivers--net--fddi--skfp--skfp.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[553420,553433] [2020-12-22 17:34:27,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 17:34:29,324 INFO L208 MainTranslator]: Completed translation [2020-12-22 17:34:29,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:34:29 WrapperNode [2020-12-22 17:34:29,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 17:34:29,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 17:34:29,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 17:34:29,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 17:34:29,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:34:29" (1/1) ... [2020-12-22 17:34:29,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:34:29" (1/1) ...