./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d4784d7b609e947942ffa9f8266acf243583adf996e2bcae78fb9e8c8fa71002 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:30:45,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:30:45,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:30:45,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:30:45,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:30:45,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:30:45,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:30:45,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:30:45,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:30:45,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:30:45,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:30:45,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:30:45,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:30:45,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:30:45,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:30:45,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:30:45,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:30:45,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:30:45,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:30:45,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:30:45,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:30:45,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:30:45,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:30:45,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:30:45,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:30:45,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:30:45,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:30:45,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:30:45,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:30:45,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:30:45,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:30:45,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:30:45,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:30:45,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:30:45,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:30:45,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:30:45,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:30:45,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:30:45,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:30:45,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:30:45,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:30:45,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:30:45,965 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:30:45,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:30:45,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:30:45,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:30:45,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:30:45,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:30:45,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:30:45,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:30:45,968 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:30:45,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:30:45,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:30:45,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:30:45,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:30:45,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:30:45,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:30:45,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:30:45,970 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:30:45,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:30:45,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:30:45,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:30:45,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:30:45,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:30:45,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:30:45,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:30:45,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:30:45,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:30:45,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:30:45,973 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:30:45,973 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:30:45,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:30:45,973 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:30:45,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4784d7b609e947942ffa9f8266acf243583adf996e2bcae78fb9e8c8fa71002 [2021-12-22 15:30:46,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:30:46,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:30:46,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:30:46,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:30:46,213 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:30:46,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i [2021-12-22 15:30:46,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e712ca5/2256e84b99ab411aa85f0ddfabd97ef0/FLAG5a93406c3 [2021-12-22 15:30:46,946 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:30:46,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i [2021-12-22 15:30:47,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e712ca5/2256e84b99ab411aa85f0ddfabd97ef0/FLAG5a93406c3 [2021-12-22 15:30:47,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e712ca5/2256e84b99ab411aa85f0ddfabd97ef0 [2021-12-22 15:30:47,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:30:47,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:30:47,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:30:47,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:30:47,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:30:47,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:30:47" (1/1) ... [2021-12-22 15:30:47,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2721c453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:30:47, skipping insertion in model container [2021-12-22 15:30:47,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:30:47" (1/1) ... [2021-12-22 15:30:47,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:30:47,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:30:49,280 WARN L230 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349228,349241] [2021-12-22 15:30:49,282 WARN L230 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349397,349410] [2021-12-22 15:30:49,283 WARN L230 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349564,349577] [2021-12-22 15:30:49,284 WARN L230 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349732,349745] [2021-12-22 15:30:49,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:30:49,396 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:30:49,675 WARN L230 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349228,349241] [2021-12-22 15:30:49,676 WARN L230 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349397,349410] [2021-12-22 15:30:49,676 WARN L230 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349564,349577] [2021-12-22 15:30:49,677 WARN L230 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349732,349745] [2021-12-22 15:30:49,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:30:49,858 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:30:49,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:30:49 WrapperNode [2021-12-22 15:30:49,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:30:49,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:30:49,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:30:49,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:30:49,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:30:49" (1/1) ... [2021-12-22 15:30:49,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:30:49" (1/1) ... [2021-12-22 15:30:50,137 INFO L137 Inliner]: procedures = 470, calls = 2162, calls flagged for inlining = 234, calls inlined = 217, statements flattened = 5446 [2021-12-22 15:30:50,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:30:50,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:30:50,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:30:50,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:30:50,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:30:49" (1/1) ... [2021-12-22 15:30:50,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:30:49" (1/1) ... [2021-12-22 15:30:50,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:30:49" (1/1) ... [2021-12-22 15:30:50,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:30:49" (1/1) ... [2021-12-22 15:30:50,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:30:49" (1/1) ... [2021-12-22 15:30:50,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:30:49" (1/1) ... [2021-12-22 15:30:50,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:30:49" (1/1) ... [2021-12-22 15:30:50,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:30:50,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:30:50,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:30:50,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:30:50,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:30:49" (1/1) ... [2021-12-22 15:30:50,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:30:50,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:30:50,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:30:50,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:30:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2021-12-22 15:30:50,566 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2021-12-22 15:30:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-22 15:30:50,567 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-22 15:30:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:30:50,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:30:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:30:50,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:30:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-22 15:30:50,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-22 15:30:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:30:50,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:30:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:30:50,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:30:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:30:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:30:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:30:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:30:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-22 15:30:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-22 15:30:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-22 15:30:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-22 15:30:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure reset_tx [2021-12-22 15:30:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_tx [2021-12-22 15:30:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2021-12-22 15:30:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2021-12-22 15:30:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_76 [2021-12-22 15:30:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_76 [2021-12-22 15:30:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-22 15:30:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-22 15:30:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:30:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:30:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:30:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:30:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:30:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:30:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:30:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:30:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-22 15:30:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-22 15:30:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:30:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:30:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:30:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:30:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:30:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:30:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:30:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_69 [2021-12-22 15:30:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_69 [2021-12-22 15:30:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-22 15:30:50,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-22 15:30:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-22 15:30:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-22 15:30:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:30:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:30:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:30:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:30:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:30:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-22 15:30:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-22 15:30:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:30:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:30:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:30:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:30:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:30:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:30:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-22 15:30:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-22 15:30:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:30:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:30:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:30:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:30:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:30:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:30:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure check_duplex [2021-12-22 15:30:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure check_duplex [2021-12-22 15:30:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:30:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:30:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-22 15:30:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-22 15:30:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:30:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:30:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2021-12-22 15:30:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2021-12-22 15:30:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_resume [2021-12-22 15:30:50,584 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_resume [2021-12-22 15:30:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:30:50,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:30:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:30:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:30:50,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:30:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:30:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:30:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:30:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:30:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:30:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:30:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:30:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:30:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:30:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:30:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-22 15:30:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-22 15:30:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:30:50,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:30:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-22 15:30:50,588 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-22 15:30:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-22 15:30:50,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-22 15:30:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:30:50,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:30:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:30:50,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:30:50,592 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:30:50,593 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:30:50,593 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 15:30:50,593 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 15:30:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:30:50,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:30:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure __set_mac_addr [2021-12-22 15:30:50,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_mac_addr [2021-12-22 15:30:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-22 15:30:50,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-22 15:30:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:30:50,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:30:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sundance_exit_14_2 [2021-12-22 15:30:50,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sundance_exit_14_2 [2021-12-22 15:30:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:30:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:30:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:30:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:30:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-12-22 15:30:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-12-22 15:30:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:30:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:30:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2021-12-22 15:30:50,603 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2021-12-22 15:30:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_poll_controller [2021-12-22 15:30:50,603 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_poll_controller [2021-12-22 15:30:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:30:50,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:30:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2021-12-22 15:30:50,603 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2021-12-22 15:30:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-22 15:30:50,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-22 15:30:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:30:50,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:30:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:30:50,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:30:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-22 15:30:50,604 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-22 15:30:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 15:30:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 15:30:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:30:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:30:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:30:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:30:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:30:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_75 [2021-12-22 15:30:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_75 [2021-12-22 15:30:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:30:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 15:30:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 15:30:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-22 15:30:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-22 15:30:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:30:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2021-12-22 15:30:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2021-12-22 15:30:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:30:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:30:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:30:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:30:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-22 15:30:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-22 15:30:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:30:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:30:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-22 15:30:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-22 15:30:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-22 15:30:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-22 15:30:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-12-22 15:30:50,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-12-22 15:30:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_reset [2021-12-22 15:30:50,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_reset [2021-12-22 15:30:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 15:30:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 15:30:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 15:30:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 15:30:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:30:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:30:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:30:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:30:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:30:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:30:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_remove1 [2021-12-22 15:30:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_remove1 [2021-12-22 15:30:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_70 [2021-12-22 15:30:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_70 [2021-12-22 15:30:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:30:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:30:50,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:30:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:30:50,612 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:30:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2021-12-22 15:30:50,612 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2021-12-22 15:30:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:30:50,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:30:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-22 15:30:50,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-22 15:30:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-22 15:30:50,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-22 15:30:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-22 15:30:50,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-22 15:30:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:30:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:30:50,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:30:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-22 15:30:50,614 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-22 15:30:51,426 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:30:51,429 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:30:51,811 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:31:43,807 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:31:43,889 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:31:43,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:31:43,914 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-22 15:31:43,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:31:43 BoogieIcfgContainer [2021-12-22 15:31:43,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:31:43,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:31:43,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:31:43,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:31:43,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:30:47" (1/3) ... [2021-12-22 15:31:43,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620fdb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:31:43, skipping insertion in model container [2021-12-22 15:31:43,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:30:49" (2/3) ... [2021-12-22 15:31:43,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620fdb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:31:43, skipping insertion in model container [2021-12-22 15:31:43,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:31:43" (3/3) ... [2021-12-22 15:31:43,926 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i [2021-12-22 15:31:43,933 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:31:43,934 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:31:43,990 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:31:44,001 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:31:44,001 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:31:44,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 1917 states, 1307 states have (on average 1.2685539403213466) internal successors, (1658), 1345 states have internal predecessors, (1658), 511 states have call successors, (511), 101 states have call predecessors, (511), 100 states have return successors, (505), 498 states have call predecessors, (505), 505 states have call successors, (505) [2021-12-22 15:31:44,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-22 15:31:44,068 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:31:44,069 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:31:44,070 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:31:44,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:31:44,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1904040031, now seen corresponding path program 1 times [2021-12-22 15:31:44,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:31:44,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601163367] [2021-12-22 15:31:44,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:31:44,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:31:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:31:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:31:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:31:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:31:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:31:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:31:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:31:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:31:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:31:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:31:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:31:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:31:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:31:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 15:31:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 15:31:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-22 15:31:45,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:31:45,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601163367] [2021-12-22 15:31:45,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601163367] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:31:45,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:31:45,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:31:45,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799467037] [2021-12-22 15:31:45,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:31:45,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:31:45,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:31:45,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:31:45,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:31:45,431 INFO L87 Difference]: Start difference. First operand has 1917 states, 1307 states have (on average 1.2685539403213466) internal successors, (1658), 1345 states have internal predecessors, (1658), 511 states have call successors, (511), 101 states have call predecessors, (511), 100 states have return successors, (505), 498 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-22 15:31:47,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:31:49,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []