/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-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 16:39:13,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 16:39:13,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 16:39:13,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 16:39:13,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 16:39:13,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 16:39:13,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 16:39:13,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 16:39:13,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 16:39:13,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 16:39:13,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 16:39:13,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 16:39:13,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 16:39:13,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 16:39:13,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 16:39:13,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 16:39:13,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 16:39:13,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 16:39:13,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 16:39:13,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 16:39:13,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 16:39:13,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 16:39:13,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 16:39:13,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 16:39:13,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 16:39:13,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 16:39:13,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 16:39:13,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 16:39:13,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 16:39:13,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 16:39:13,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 16:39:13,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 16:39:13,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 16:39:13,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 16:39:13,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 16:39:13,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 16:39:13,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 16:39:13,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 16:39:13,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 16:39:13,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 16:39:13,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 16:39:13,333 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 16:39:13,361 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 16:39:13,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 16:39:13,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 16:39:13,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 16:39:13,364 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 16:39:13,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 16:39:13,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 16:39:13,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 16:39:13,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 16:39:13,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 16:39:13,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 16:39:13,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 16:39:13,366 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 16:39:13,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 16:39:13,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 16:39:13,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 16:39:13,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 16:39:13,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 16:39:13,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 16:39:13,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 16:39:13,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 16:39:13,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 16:39:13,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 16:39:13,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 16:39:13,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 16:39:13,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 16:39:13,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 16:39:13,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 16:39:13,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 16:39:13,841 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 16:39:13,842 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 16:39:13,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2020-12-22 16:39:13,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146f6e360/0986578ffcf44abf95626e2ee04a0242/FLAG6d694c9b9 [2020-12-22 16:39:15,377 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 16:39:15,381 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2020-12-22 16:39:15,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146f6e360/0986578ffcf44abf95626e2ee04a0242/FLAG6d694c9b9 [2020-12-22 16:39:15,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146f6e360/0986578ffcf44abf95626e2ee04a0242 [2020-12-22 16:39:15,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 16:39:15,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 16:39:15,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 16:39:15,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 16:39:15,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 16:39:15,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:39:15" (1/1) ... [2020-12-22 16:39:15,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0ba319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:39:15, skipping insertion in model container [2020-12-22 16:39:15,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:39:15" (1/1) ... [2020-12-22 16:39:15,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 16:39:16,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 16:39:25,665 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-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772474,772487] [2020-12-22 16:39:25,669 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-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772643,772656] [2020-12-22 16:39:25,670 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-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772810,772823] [2020-12-22 16:39:25,671 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-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772978,772991] [2020-12-22 16:39:25,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:39:25,828 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 16:39:26,882 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-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772474,772487] [2020-12-22 16:39:26,883 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-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772643,772656] [2020-12-22 16:39:26,887 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-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772810,772823] [2020-12-22 16:39:26,888 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-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772978,772991] [2020-12-22 16:39:26,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:39:28,855 INFO L208 MainTranslator]: Completed translation [2020-12-22 16:39:28,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:39:28 WrapperNode [2020-12-22 16:39:28,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 16:39:28,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 16:39:28,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 16:39:28,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 16:39:28,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:39:28" (1/1) ... [2020-12-22 16:39:29,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:39:28" (1/1) ... [2020-12-22 16:41:35,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 16:41:35,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 16:41:35,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 16:41:35,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 16:41:35,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:39:28" (1/1) ... [2020-12-22 16:41:35,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:39:28" (1/1) ... [2020-12-22 16:41:42,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:39:28" (1/1) ... [2020-12-22 16:41:42,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:39:28" (1/1) ... [2020-12-22 16:41:52,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:39:28" (1/1) ... [2020-12-22 16:41:55,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:39:28" (1/1) ... [2020-12-22 16:41:57,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:39:28" (1/1) ... [2020-12-22 16:42:02,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 16:42:02,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 16:42:02,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 16:42:02,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 16:42:02,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:39:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 16:42:02,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 16:42:02,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 16:42:02,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 16:42:02,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 16:42:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 16:42:02,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 16:42:02,426 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 16:42:02,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 16:42:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 16:42:02,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 16:42:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 16:42:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 16:42:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 16:42:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 16:42:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 16:42:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2020-12-22 16:42:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int