/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-spinlock_drivers-net-can-softing-softing.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 17:09:39,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 17:09:39,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 17:09:39,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 17:09:39,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 17:09:39,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 17:09:39,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 17:09:39,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 17:09:39,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 17:09:39,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 17:09:39,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 17:09:39,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 17:09:39,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 17:09:39,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 17:09:39,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 17:09:39,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 17:09:39,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 17:09:39,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 17:09:39,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 17:09:39,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 17:09:39,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 17:09:39,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 17:09:39,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 17:09:39,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 17:09:39,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 17:09:39,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 17:09:39,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 17:09:39,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 17:09:39,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 17:09:39,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 17:09:39,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 17:09:39,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 17:09:39,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 17:09:39,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 17:09:39,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 17:09:39,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 17:09:39,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 17:09:39,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 17:09:39,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 17:09:39,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 17:09:39,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 17:09:39,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 17:09:39,885 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 17:09:39,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 17:09:39,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 17:09:39,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 17:09:39,888 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 17:09:39,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 17:09:39,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 17:09:39,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 17:09:39,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 17:09:39,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 17:09:39,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 17:09:39,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 17:09:39,890 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 17:09:39,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 17:09:39,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 17:09:39,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 17:09:39,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 17:09:39,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 17:09:39,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 17:09:39,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 17:09:39,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 17:09:39,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 17:09:39,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 17:09:39,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 17:09:39,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 17:09:39,893 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 17:09:40,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 17:09:40,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 17:09:40,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 17:09:40,312 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 17:09:40,313 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 17:09:40,314 INFO L432 ainManager$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-spinlock_drivers-net-can-softing-softing.cil.i [2020-12-22 17:09:40,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a920b114/a77a0ba571b34a6eb927e7134f0bb7ad/FLAGbae03b05e [2020-12-22 17:09:41,739 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 17:09:41,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.cil.i [2020-12-22 17:09:41,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a920b114/a77a0ba571b34a6eb927e7134f0bb7ad/FLAGbae03b05e [2020-12-22 17:09:42,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a920b114/a77a0ba571b34a6eb927e7134f0bb7ad [2020-12-22 17:09:42,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 17:09:42,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 17:09:42,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 17:09:42,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 17:09:42,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 17:09:42,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:09:42" (1/1) ... [2020-12-22 17:09:42,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d950f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:09:42, skipping insertion in model container [2020-12-22 17:09:42,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:09:42" (1/1) ... [2020-12-22 17:09:42,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 17:09:42,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 17:09:46,088 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-spinlock_drivers-net-can-softing-softing.cil.i[375187,375200] [2020-12-22 17:09:46,092 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-spinlock_drivers-net-can-softing-softing.cil.i[375356,375369] [2020-12-22 17:09:46,092 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-spinlock_drivers-net-can-softing-softing.cil.i[375523,375536] [2020-12-22 17:09:46,093 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-spinlock_drivers-net-can-softing-softing.cil.i[375691,375704] [2020-12-22 17:09:46,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 17:09:46,183 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 17:09:46,739 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-spinlock_drivers-net-can-softing-softing.cil.i[375187,375200] [2020-12-22 17:09:46,740 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-spinlock_drivers-net-can-softing-softing.cil.i[375356,375369] [2020-12-22 17:09:46,744 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-spinlock_drivers-net-can-softing-softing.cil.i[375523,375536] [2020-12-22 17:09:46,745 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-spinlock_drivers-net-can-softing-softing.cil.i[375691,375704] [2020-12-22 17:09:46,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 17:09:47,834 INFO L208 MainTranslator]: Completed translation [2020-12-22 17:09:47,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:09:47 WrapperNode [2020-12-22 17:09:47,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 17:09:47,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 17:09:47,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 17:09:47,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 17:09:47,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:09:47" (1/1) ... [2020-12-22 17:09:48,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:09:47" (1/1) ... [2020-12-22 17:11:20,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 17:11:20,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 17:11:20,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 17:11:20,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 17:11:20,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:09:47" (1/1) ... [2020-12-22 17:11:20,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:09:47" (1/1) ... [2020-12-22 17:11:28,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:09:47" (1/1) ... [2020-12-22 17:11:28,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:09:47" (1/1) ... [2020-12-22 17:11:42,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:09:47" (1/1) ... [2020-12-22 17:11:45,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:09:47" (1/1) ... [2020-12-22 17:11:47,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:09:47" (1/1) ... [2020-12-22 17:11:53,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 17:11:53,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 17:11:53,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 17:11:53,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 17:11:53,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:09:47" (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 17:11:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-12-22 17:11:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-12-22 17:11:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 17:11:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 17:11:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 17:11:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 17:11:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 17:11:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 17:11:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 17:11:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 17:11:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 17:11:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 17:11:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 17:11:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 17:11:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 17:11:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 17:11:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 17:11:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int