/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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-s2io.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 17:04:51,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 17:04:51,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 17:04:51,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 17:04:51,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 17:04:51,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 17:04:51,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 17:04:51,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 17:04:51,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 17:04:51,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 17:04:51,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 17:04:51,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 17:04:51,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 17:04:51,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 17:04:51,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 17:04:51,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 17:04:51,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 17:04:51,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 17:04:51,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 17:04:51,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 17:04:51,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 17:04:51,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 17:04:51,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 17:04:51,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 17:04:51,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 17:04:51,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 17:04:51,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 17:04:51,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 17:04:51,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 17:04:51,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 17:04:51,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 17:04:51,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 17:04:51,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 17:04:51,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 17:04:51,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 17:04:51,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 17:04:51,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 17:04:51,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 17:04:51,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 17:04:51,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 17:04:51,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 17:04:51,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 17:04:51,357 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 17:04:51,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 17:04:51,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 17:04:51,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 17:04:51,362 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 17:04:51,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 17:04:51,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 17:04:51,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 17:04:51,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 17:04:51,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 17:04:51,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 17:04:51,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 17:04:51,365 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 17:04:51,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 17:04:51,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 17:04:51,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 17:04:51,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 17:04:51,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 17:04:51,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 17:04:51,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 17:04:51,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 17:04:51,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 17:04:51,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 17:04:51,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 17:04:51,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 17:04:51,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 17:04:51,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 17:04:51,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 17:04:51,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 17:04:51,777 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 17:04:51,778 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 17:04:51,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-s2io.cil.i [2020-12-22 17:04:51,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/239d8159f/d2a536a1ae8d436687a0727a6f405746/FLAG839b6466c [2020-12-22 17:04:53,309 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 17:04:53,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-s2io.cil.i [2020-12-22 17:04:53,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/239d8159f/d2a536a1ae8d436687a0727a6f405746/FLAG839b6466c [2020-12-22 17:04:53,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/239d8159f/d2a536a1ae8d436687a0727a6f405746 [2020-12-22 17:04:53,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 17:04:53,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 17:04:53,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 17:04:53,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 17:04:53,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 17:04:53,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:04:53" (1/1) ... [2020-12-22 17:04:53,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee96ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:04:53, skipping insertion in model container [2020-12-22 17:04:53,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:04:53" (1/1) ... [2020-12-22 17:04:53,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 17:04:54,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 17:05:00,515 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-s2io.cil.i[675938,675951] [2020-12-22 17:05:00,518 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-s2io.cil.i[676104,676117] [2020-12-22 17:05:00,519 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-s2io.cil.i[676268,676281] [2020-12-22 17:05:00,519 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-s2io.cil.i[676433,676446] [2020-12-22 17:05:00,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 17:05:00,795 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 17:05:01,623 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-s2io.cil.i[675938,675951] [2020-12-22 17:05:01,624 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-s2io.cil.i[676104,676117] [2020-12-22 17:05:01,624 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-s2io.cil.i[676268,676281] [2020-12-22 17:05:01,625 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-s2io.cil.i[676433,676446] [2020-12-22 17:05:01,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 17:05:02,860 INFO L208 MainTranslator]: Completed translation [2020-12-22 17:05:02,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:05:02 WrapperNode [2020-12-22 17:05:02,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 17:05:02,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 17:05:02,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 17:05:02,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 17:05:02,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:05:02" (1/1) ... [2020-12-22 17:05:03,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:05:02" (1/1) ... [2020-12-22 17:05:13,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 17:05:13,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 17:05:13,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 17:05:13,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 17:05:13,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:05:02" (1/1) ... [2020-12-22 17:05:13,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:05:02" (1/1) ... [2020-12-22 17:05:16,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:05:02" (1/1) ... [2020-12-22 17:05:16,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:05:02" (1/1) ... [2020-12-22 17:05:19,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:05:02" (1/1) ... [2020-12-22 17:05:21,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:05:02" (1/1) ... [2020-12-22 17:05:22,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:05:02" (1/1) ... [2020-12-22 17:05:23,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 17:05:23,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 17:05:23,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 17:05:23,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 17:05:23,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:05:02" (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 17:05:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-12-22 17:05:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 17:05:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 17:05:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 17:05:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 17:05:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 17:05:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 17:05:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 17:05:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 17:05:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 17:05:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 17:05:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 17:05:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 17:05:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 17:05:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 17:05:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 17:05:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int