/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-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 16:33:50,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 16:33:50,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 16:33:50,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 16:33:50,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 16:33:50,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 16:33:50,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 16:33:50,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 16:33:50,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 16:33:50,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 16:33:50,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 16:33:50,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 16:33:50,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 16:33:50,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 16:33:50,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 16:33:50,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 16:33:50,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 16:33:50,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 16:33:50,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 16:33:50,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 16:33:50,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 16:33:50,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 16:33:50,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 16:33:50,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 16:33:50,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 16:33:50,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 16:33:50,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 16:33:50,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 16:33:50,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 16:33:50,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 16:33:50,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 16:33:50,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 16:33:50,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 16:33:50,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 16:33:50,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 16:33:50,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 16:33:50,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 16:33:50,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 16:33:50,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 16:33:50,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 16:33:50,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 16:33:50,182 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 16:33:50,238 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 16:33:50,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 16:33:50,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 16:33:50,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 16:33:50,244 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 16:33:50,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 16:33:50,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 16:33:50,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 16:33:50,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 16:33:50,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 16:33:50,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 16:33:50,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 16:33:50,246 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 16:33:50,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 16:33:50,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 16:33:50,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 16:33:50,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 16:33:50,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 16:33:50,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 16:33:50,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 16:33:50,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 16:33:50,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 16:33:50,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 16:33:50,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 16:33:50,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 16:33:50,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 16:33:50,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 16:33:50,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 16:33:50,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 16:33:50,682 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 16:33:50,683 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 16:33:50,684 INFO L432 ainManager$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-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2020-12-22 16:33:50,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f0d8bc2/803dc3f57a87408a9419303557efa419/FLAG7abd5546c [2020-12-22 16:33:52,252 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 16:33:52,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2020-12-22 16:33:52,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f0d8bc2/803dc3f57a87408a9419303557efa419/FLAG7abd5546c [2020-12-22 16:33:52,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f0d8bc2/803dc3f57a87408a9419303557efa419 [2020-12-22 16:33:52,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 16:33:52,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 16:33:52,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 16:33:52,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 16:33:52,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 16:33:52,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:33:52" (1/1) ... [2020-12-22 16:33:52,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66352dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:33:52, skipping insertion in model container [2020-12-22 16:33:52,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:33:52" (1/1) ... [2020-12-22 16:33:52,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 16:33:53,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 16:34:01,233 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-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752340,752353] [2020-12-22 16:34:01,237 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-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752506,752519] [2020-12-22 16:34:01,238 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-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752670,752683] [2020-12-22 16:34:01,239 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-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752835,752848] [2020-12-22 16:34:01,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:34:01,391 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 16:34:02,393 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-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752340,752353] [2020-12-22 16:34:02,394 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-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752506,752519] [2020-12-22 16:34:02,395 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-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752670,752683] [2020-12-22 16:34:02,395 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-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752835,752848] [2020-12-22 16:34:02,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:34:04,147 INFO L208 MainTranslator]: Completed translation [2020-12-22 16:34:04,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:34:04 WrapperNode [2020-12-22 16:34:04,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 16:34:04,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 16:34:04,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 16:34:04,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 16:34:04,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:34:04" (1/1) ... [2020-12-22 16:34:04,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:34:04" (1/1) ... [2020-12-22 16:36:02,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 16:36:02,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 16:36:02,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 16:36:02,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 16:36:02,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:34:04" (1/1) ... [2020-12-22 16:36:02,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:34:04" (1/1) ... [2020-12-22 16:36:08,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:34:04" (1/1) ... [2020-12-22 16:36:08,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:34:04" (1/1) ... [2020-12-22 16:36:17,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:34:04" (1/1) ... [2020-12-22 16:36:20,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:34:04" (1/1) ... [2020-12-22 16:36:22,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:34:04" (1/1) ... [2020-12-22 16:36:25,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 16:36:25,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 16:36:25,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 16:36:25,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 16:36:25,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:34:04" (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 16:36:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 16:36:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 16:36:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 16:36:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 16:36:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 16:36:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 16:36:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 16:36:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 16:36:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 16:36:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 16:36:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 16:36:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 16:36:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 16:36:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 16:36:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 16:36:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2020-12-22 16:36:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int