./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.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 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:45:04,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:45:04,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:45:04,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:45:04,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:45:04,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:45:04,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:45:04,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:45:04,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:45:04,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:45:04,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:45:04,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:45:04,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:45:04,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:45:04,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:45:04,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:45:04,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:45:04,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:45:04,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:45:04,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:45:04,896 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:45:04,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:45:04,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:45:04,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:45:04,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:45:04,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:45:04,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:45:04,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:45:04,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:45:04,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:45:04,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:45:04,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:45:04,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:45:04,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:45:04,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:45:04,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:45:04,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:45:04,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:45:04,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:45:04,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:45:04,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:45:04,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:45:04,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:45:04,956 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:45:04,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:45:04,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:45:04,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:45:04,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:45:04,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:45:04,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:45:04,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:45:04,959 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:45:04,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:45:04,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:45:04,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:45:04,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:45:04,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:45:04,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:45:04,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:45:04,961 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:45:04,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:45:04,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:45:04,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:45:04,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:45:04,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:45:04,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:45:04,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:45:04,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:45:04,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:45:04,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:45:04,965 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:45:04,965 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:45:04,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:45:04,966 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2022-07-23 03:45:05,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:45:05,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:45:05,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:45:05,247 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:45:05,248 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:45:05,249 INFO L432 ainManager$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-ethernet-dec-tulip-tulip.cil.i [2022-07-23 03:45:05,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7b640ca9/fe819c8a504b4bb38383093fe0ccbf5a/FLAGf9fefb802 [2022-07-23 03:45:06,255 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:45:06,256 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-ethernet-dec-tulip-tulip.cil.i [2022-07-23 03:45:06,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7b640ca9/fe819c8a504b4bb38383093fe0ccbf5a/FLAGf9fefb802 [2022-07-23 03:45:06,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7b640ca9/fe819c8a504b4bb38383093fe0ccbf5a [2022-07-23 03:45:06,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:45:06,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:45:06,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:45:06,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:45:06,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:45:06,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:45:06" (1/1) ... [2022-07-23 03:45:06,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbeb583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:06, skipping insertion in model container [2022-07-23 03:45:06,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:45:06" (1/1) ... [2022-07-23 03:45:06,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:45:06,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:45:11,449 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2022-07-23 03:45:11,452 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2022-07-23 03:45:11,453 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2022-07-23 03:45:11,453 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2022-07-23 03:45:11,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:45:11,515 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:45:11,962 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2022-07-23 03:45:11,963 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2022-07-23 03:45:11,964 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2022-07-23 03:45:11,964 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2022-07-23 03:45:12,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:45:12,298 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:45:12,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:12 WrapperNode [2022-07-23 03:45:12,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:45:12,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:45:12,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:45:12,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:45:12,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:12" (1/1) ... [2022-07-23 03:45:12,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:12" (1/1) ... [2022-07-23 03:45:12,882 INFO L137 Inliner]: procedures = 567, calls = 5328, calls flagged for inlining = 289, calls inlined = 261, statements flattened = 12149 [2022-07-23 03:45:12,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:45:12,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:45:12,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:45:12,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:45:12,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:12" (1/1) ... [2022-07-23 03:45:12,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:12" (1/1) ... [2022-07-23 03:45:12,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:12" (1/1) ... [2022-07-23 03:45:12,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:12" (1/1) ... [2022-07-23 03:45:13,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:12" (1/1) ... [2022-07-23 03:45:13,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:12" (1/1) ... [2022-07-23 03:45:13,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:12" (1/1) ... [2022-07-23 03:45:13,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:45:13,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:45:13,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:45:13,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:45:13,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:12" (1/1) ... [2022-07-23 03:45:13,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:45:13,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:45:13,555 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) [2022-07-23 03:45:13,573 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 [2022-07-23 03:45:13,592 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-07-23 03:45:13,592 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-07-23 03:45:13,592 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2022-07-23 03:45:13,592 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2022-07-23 03:45:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 03:45:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 03:45:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:45:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:45:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 03:45:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 03:45:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:45:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:45:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-07-23 03:45:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-07-23 03:45:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-07-23 03:45:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-07-23 03:45:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:45:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:45:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 03:45:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 03:45:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:45:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:45:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:45:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:45:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-23 03:45:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-23 03:45:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 03:45:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 03:45:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-23 03:45:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-23 03:45:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-07-23 03:45:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-07-23 03:45:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 03:45:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 03:45:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 03:45:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 03:45:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-23 03:45:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-23 03:45:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:45:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:45:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 03:45:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 03:45:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:45:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:45:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-07-23 03:45:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-07-23 03:45:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 03:45:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 03:45:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 03:45:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 03:45:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:45:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:45:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:45:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:45:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 03:45:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 03:45:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 03:45:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 03:45:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:45:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-07-23 03:45:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-07-23 03:45:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2022-07-23 03:45:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2022-07-23 03:45:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2022-07-23 03:45:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2022-07-23 03:45:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-23 03:45:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-23 03:45:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-07-23 03:45:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-07-23 03:45:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:45:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:45:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-07-23 03:45:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-07-23 03:45:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-07-23 03:45:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-07-23 03:45:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2022-07-23 03:45:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2022-07-23 03:45:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:45:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2022-07-23 03:45:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2022-07-23 03:45:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-07-23 03:45:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-07-23 03:45:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:45:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:45:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 03:45:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 03:45:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:45:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:45:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:45:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:45:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-23 03:45:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-23 03:45:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:45:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:45:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:45:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:45:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:45:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:45:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:45:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:45:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:45:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:45:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2022-07-23 03:45:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2022-07-23 03:45:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 03:45:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 03:45:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:45:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:45:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-07-23 03:45:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-07-23 03:45:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-07-23 03:45:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-07-23 03:45:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:45:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:45:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:45:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 03:45:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 03:45:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:45:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:45:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 03:45:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 03:45:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-23 03:45:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-23 03:45:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:45:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:45:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:45:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:45:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:45:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:45:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-07-23 03:45:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-07-23 03:45:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-23 03:45:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-23 03:45:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-23 03:45:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-23 03:45:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:45:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:45:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2022-07-23 03:45:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2022-07-23 03:45:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 03:45:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 03:45:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 03:45:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 03:45:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:45:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:45:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:45:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:45:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-07-23 03:45:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-07-23 03:45:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:45:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:45:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2022-07-23 03:45:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2022-07-23 03:45:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:45:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:45:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2022-07-23 03:45:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2022-07-23 03:45:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:45:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:45:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:45:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:45:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-23 03:45:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-23 03:45:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:45:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:45:13,615 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-23 03:45:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-23 03:45:13,615 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-07-23 03:45:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-07-23 03:45:13,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 03:45:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 03:45:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-07-23 03:45:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-07-23 03:45:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-23 03:45:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-23 03:45:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:45:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:45:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-07-23 03:45:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-07-23 03:45:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-07-23 03:45:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-07-23 03:45:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 03:45:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 03:45:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-23 03:45:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-23 03:45:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-23 03:45:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-23 03:45:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:45:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:45:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:45:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:45:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2022-07-23 03:45:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2022-07-23 03:45:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-23 03:45:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-23 03:45:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:45:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:45:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:45:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-07-23 03:45:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-07-23 03:45:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 03:45:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 03:45:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:45:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 03:45:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 03:45:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-23 03:45:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-23 03:45:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-23 03:45:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-23 03:45:13,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:45:13,621 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-07-23 03:45:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-07-23 03:45:13,621 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-07-23 03:45:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-07-23 03:45:13,621 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-07-23 03:45:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-07-23 03:45:13,621 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:45:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:45:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-23 03:45:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-23 03:45:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2022-07-23 03:45:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2022-07-23 03:45:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:45:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:45:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-23 03:45:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-23 03:45:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-07-23 03:45:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-07-23 03:45:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-23 03:45:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-23 03:45:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-07-23 03:45:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-07-23 03:45:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2022-07-23 03:45:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2022-07-23 03:45:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 03:45:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 03:45:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:45:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:45:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-23 03:45:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-23 03:45:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2022-07-23 03:45:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2022-07-23 03:45:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:45:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:45:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:45:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:45:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:45:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-07-23 03:45:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-07-23 03:45:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:45:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:45:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61___0 [2022-07-23 03:45:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61___0 [2022-07-23 03:45:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-23 03:45:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-23 03:45:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-07-23 03:45:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-07-23 03:45:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 03:45:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 03:45:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2022-07-23 03:45:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2022-07-23 03:45:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 03:45:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 03:45:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:45:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:45:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 03:45:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 03:45:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-23 03:45:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-23 03:45:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 03:45:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 03:45:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-07-23 03:45:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-07-23 03:45:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 03:45:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 03:45:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-07-23 03:45:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-07-23 03:45:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:45:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2022-07-23 03:45:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2022-07-23 03:45:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:45:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:45:14,758 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:45:14,764 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:45:15,847 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:45:22,866 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:45:22,989 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:45:23,024 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:45:23,025 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 03:45:23,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:45:23 BoogieIcfgContainer [2022-07-23 03:45:23,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:45:23,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:45:23,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:45:23,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:45:23,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:45:06" (1/3) ... [2022-07-23 03:45:23,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d993593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:45:23, skipping insertion in model container [2022-07-23 03:45:23,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:12" (2/3) ... [2022-07-23 03:45:23,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d993593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:45:23, skipping insertion in model container [2022-07-23 03:45:23,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:45:23" (3/3) ... [2022-07-23 03:45:23,041 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-07-23 03:45:23,054 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:45:23,054 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 03:45:23,167 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:45:23,173 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@47238fbf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@26f74037 [2022-07-23 03:45:23,174 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 03:45:23,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 3829 states, 2744 states have (on average 1.4427842565597668) internal successors, (3959), 2845 states have internal predecessors, (3959), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 899 states have call predecessors, (944), 944 states have call successors, (944) [2022-07-23 03:45:23,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-23 03:45:23,220 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:45:23,221 INFO L195 NwaCegarLoop]: 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] [2022-07-23 03:45:23,222 INFO L420 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)] === [2022-07-23 03:45:23,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:45:23,227 INFO L85 PathProgramCache]: Analyzing trace with hash -2081427451, now seen corresponding path program 1 times [2022-07-23 03:45:23,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:45:23,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777804697] [2022-07-23 03:45:23,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:45:23,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:45:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:45:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:45:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:45:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:45:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:45:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:45:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:45:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:45:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:45:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:45:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:45:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:45:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:45:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:45:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-23 03:45:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-23 03:45:24,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:45:24,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777804697] [2022-07-23 03:45:24,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777804697] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:45:24,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:45:24,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:45:24,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560176669] [2022-07-23 03:45:24,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:45:24,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:45:24,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:45:24,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:45:24,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:45:24,486 INFO L87 Difference]: Start difference. First operand has 3829 states, 2744 states have (on average 1.4427842565597668) internal successors, (3959), 2845 states have internal predecessors, (3959), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 899 states have call predecessors, (944), 944 states have call successors, (944) 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) [2022-07-23 03:45:32,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:45:32,704 INFO L93 Difference]: Finished difference Result 11501 states and 17923 transitions. [2022-07-23 03:45:32,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:45:32,707 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 171 [2022-07-23 03:45:32,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:45:32,784 INFO L225 Difference]: With dead ends: 11501 [2022-07-23 03:45:32,784 INFO L226 Difference]: Without dead ends: 7692 [2022-07-23 03:45:32,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:45:32,837 INFO L413 NwaCegarLoop]: 6116 mSDtfsCounter, 6349 mSDsluCounter, 6862 mSDsCounter, 0 mSdLazyCounter, 3611 mSolverCounterSat, 2550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7207 SdHoareTripleChecker+Valid, 12978 SdHoareTripleChecker+Invalid, 6161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2550 IncrementalHoareTripleChecker+Valid, 3611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:45:32,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7207 Valid, 12978 Invalid, 6161 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2550 Valid, 3611 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-23 03:45:32,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7692 states. [2022-07-23 03:45:33,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7692 to 7500. [2022-07-23 03:45:33,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7500 states, 5397 states have (on average 1.3666851954789698) internal successors, (7376), 5596 states have internal predecessors, (7376), 1840 states have call successors, (1840), 261 states have call predecessors, (1840), 260 states have return successors, (1836), 1746 states have call predecessors, (1836), 1836 states have call successors, (1836) [2022-07-23 03:45:33,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7500 states to 7500 states and 11052 transitions. [2022-07-23 03:45:33,408 INFO L78 Accepts]: Start accepts. Automaton has 7500 states and 11052 transitions. Word has length 171 [2022-07-23 03:45:33,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:45:33,409 INFO L495 AbstractCegarLoop]: Abstraction has 7500 states and 11052 transitions. [2022-07-23 03:45:33,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-23 03:45:33,410 INFO L276 IsEmpty]: Start isEmpty. Operand 7500 states and 11052 transitions. [2022-07-23 03:45:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-23 03:45:33,416 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:45:33,417 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:45:33,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:45:33,417 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2022-07-23 03:45:33,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:45:33,418 INFO L85 PathProgramCache]: Analyzing trace with hash -39637302, now seen corresponding path program 1 times [2022-07-23 03:45:33,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:45:33,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145967864] [2022-07-23 03:45:33,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:45:33,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:45:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:33,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:45:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:33,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:45:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:33,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:33,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:45:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:33,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:45:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:33,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:33,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:45:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:33,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:45:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:45:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:45:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:45:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:45:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:45:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:45:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:45:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:45:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 03:45:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-23 03:45:34,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:45:34,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145967864] [2022-07-23 03:45:34,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145967864] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:45:34,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:45:34,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:45:34,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697919760] [2022-07-23 03:45:34,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:45:34,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:45:34,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:45:34,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:45:34,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:45:34,242 INFO L87 Difference]: Start difference. First operand 7500 states and 11052 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 03:45:40,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:45:40,978 INFO L93 Difference]: Finished difference Result 16299 states and 24072 transitions. [2022-07-23 03:45:40,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:45:40,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 180 [2022-07-23 03:45:40,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:45:41,036 INFO L225 Difference]: With dead ends: 16299 [2022-07-23 03:45:41,036 INFO L226 Difference]: Without dead ends: 8830 [2022-07-23 03:45:41,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:45:41,075 INFO L413 NwaCegarLoop]: 5856 mSDtfsCounter, 4432 mSDsluCounter, 6799 mSDsCounter, 0 mSdLazyCounter, 3365 mSolverCounterSat, 2098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5077 SdHoareTripleChecker+Valid, 12655 SdHoareTripleChecker+Invalid, 5463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2098 IncrementalHoareTripleChecker+Valid, 3365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:45:41,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5077 Valid, 12655 Invalid, 5463 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2098 Valid, 3365 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-23 03:45:41,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8830 states. [2022-07-23 03:45:41,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8830 to 8578. [2022-07-23 03:45:41,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8578 states, 6138 states have (on average 1.3664059954382535) internal successors, (8387), 6356 states have internal predecessors, (8387), 2126 states have call successors, (2126), 313 states have call predecessors, (2126), 311 states have return successors, (2122), 2022 states have call predecessors, (2122), 2122 states have call successors, (2122) [2022-07-23 03:45:41,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8578 states to 8578 states and 12635 transitions. [2022-07-23 03:45:41,594 INFO L78 Accepts]: Start accepts. Automaton has 8578 states and 12635 transitions. Word has length 180 [2022-07-23 03:45:41,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:45:41,596 INFO L495 AbstractCegarLoop]: Abstraction has 8578 states and 12635 transitions. [2022-07-23 03:45:41,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 03:45:41,600 INFO L276 IsEmpty]: Start isEmpty. Operand 8578 states and 12635 transitions. [2022-07-23 03:45:41,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-23 03:45:41,604 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:45:41,604 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:45:41,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:45:41,605 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2022-07-23 03:45:41,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:45:41,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1808562919, now seen corresponding path program 1 times [2022-07-23 03:45:41,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:45:41,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216185465] [2022-07-23 03:45:41,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:45:41,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:45:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:45:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:45:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:45:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:45:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:45:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:45:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:45:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:45:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:45:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:45:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:45:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:45:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:45:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:45:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 03:45:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:42,232 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-23 03:45:42,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:45:42,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216185465] [2022-07-23 03:45:42,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216185465] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:45:42,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:45:42,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:45:42,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854934258] [2022-07-23 03:45:42,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:45:42,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:45:42,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:45:42,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:45:42,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:45:42,239 INFO L87 Difference]: Start difference. First operand 8578 states and 12635 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-07-23 03:45:48,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:45:48,647 INFO L93 Difference]: Finished difference Result 22577 states and 33326 transitions. [2022-07-23 03:45:48,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:45:48,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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) Word has length 181 [2022-07-23 03:45:48,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:45:48,739 INFO L225 Difference]: With dead ends: 22577 [2022-07-23 03:45:48,739 INFO L226 Difference]: Without dead ends: 14030 [2022-07-23 03:45:48,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:45:48,785 INFO L413 NwaCegarLoop]: 6069 mSDtfsCounter, 6082 mSDsluCounter, 6813 mSDsCounter, 0 mSdLazyCounter, 3610 mSolverCounterSat, 2570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6916 SdHoareTripleChecker+Valid, 12882 SdHoareTripleChecker+Invalid, 6180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2570 IncrementalHoareTripleChecker+Valid, 3610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:45:48,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6916 Valid, 12882 Invalid, 6180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2570 Valid, 3610 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-07-23 03:45:48,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14030 states. [2022-07-23 03:45:49,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14030 to 13654. [2022-07-23 03:45:49,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13654 states, 9739 states have (on average 1.36677276927816) internal successors, (13311), 10094 states have internal predecessors, (13311), 3404 states have call successors, (3404), 506 states have call predecessors, (3404), 508 states have return successors, (3417), 3227 states have call predecessors, (3417), 3400 states have call successors, (3417) [2022-07-23 03:45:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13654 states to 13654 states and 20132 transitions. [2022-07-23 03:45:49,605 INFO L78 Accepts]: Start accepts. Automaton has 13654 states and 20132 transitions. Word has length 181 [2022-07-23 03:45:49,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:45:49,607 INFO L495 AbstractCegarLoop]: Abstraction has 13654 states and 20132 transitions. [2022-07-23 03:45:49,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-07-23 03:45:49,608 INFO L276 IsEmpty]: Start isEmpty. Operand 13654 states and 20132 transitions. [2022-07-23 03:45:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-23 03:45:49,612 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:45:49,612 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:45:49,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:45:49,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2022-07-23 03:45:49,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:45:49,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1455780988, now seen corresponding path program 1 times [2022-07-23 03:45:49,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:45:49,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297404921] [2022-07-23 03:45:49,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:45:49,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:45:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:49,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:45:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:49,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:49,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:45:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:49,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:49,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:45:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:49,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:49,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:45:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:49,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:45:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:45:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:45:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:45:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:45:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:45:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:45:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:45:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:45:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:45:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 03:45:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 03:45:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:50,149 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-23 03:45:50,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:45:50,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297404921] [2022-07-23 03:45:50,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297404921] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:45:50,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:45:50,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:45:50,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043273335] [2022-07-23 03:45:50,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:45:50,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:45:50,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:45:50,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:45:50,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:45:50,154 INFO L87 Difference]: Start difference. First operand 13654 states and 20132 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 03:46:06,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:06,654 INFO L93 Difference]: Finished difference Result 50875 states and 75007 transitions. [2022-07-23 03:46:06,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 03:46:06,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 188 [2022-07-23 03:46:06,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:06,884 INFO L225 Difference]: With dead ends: 50875 [2022-07-23 03:46:06,884 INFO L226 Difference]: Without dead ends: 37252 [2022-07-23 03:46:06,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 03:46:06,968 INFO L413 NwaCegarLoop]: 6702 mSDtfsCounter, 11754 mSDsluCounter, 13144 mSDsCounter, 0 mSdLazyCounter, 12458 mSolverCounterSat, 4349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13295 SdHoareTripleChecker+Valid, 19846 SdHoareTripleChecker+Invalid, 16807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4349 IncrementalHoareTripleChecker+Valid, 12458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:06,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13295 Valid, 19846 Invalid, 16807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4349 Valid, 12458 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2022-07-23 03:46:07,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37252 states. [2022-07-23 03:46:08,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37252 to 36208. [2022-07-23 03:46:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36208 states, 25879 states have (on average 1.3657405618455118) internal successors, (35344), 26854 states have internal predecessors, (35344), 8959 states have call successors, (8959), 1359 states have call predecessors, (8959), 1367 states have return successors, (9006), 8465 states have call predecessors, (9006), 8955 states have call successors, (9006) [2022-07-23 03:46:09,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36208 states to 36208 states and 53309 transitions. [2022-07-23 03:46:09,165 INFO L78 Accepts]: Start accepts. Automaton has 36208 states and 53309 transitions. Word has length 188 [2022-07-23 03:46:09,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:46:09,166 INFO L495 AbstractCegarLoop]: Abstraction has 36208 states and 53309 transitions. [2022-07-23 03:46:09,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 03:46:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 36208 states and 53309 transitions. [2022-07-23 03:46:09,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-23 03:46:09,170 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:09,171 INFO L195 NwaCegarLoop]: 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, 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] [2022-07-23 03:46:09,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 03:46:09,171 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2022-07-23 03:46:09,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:09,172 INFO L85 PathProgramCache]: Analyzing trace with hash 251480147, now seen corresponding path program 1 times [2022-07-23 03:46:09,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:46:09,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728852923] [2022-07-23 03:46:09,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:09,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:46:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:46:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:46:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:46:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:46:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:46:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:46:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:46:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:46:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:46:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:46:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:46:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:46:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:46:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:46:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 03:46:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 03:46:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 03:46:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 03:46:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 03:46:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-23 03:46:09,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:46:09,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728852923] [2022-07-23 03:46:09,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728852923] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:46:09,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:46:09,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:46:09,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646679602] [2022-07-23 03:46:09,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:46:09,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:46:09,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:46:09,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:46:09,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:46:09,738 INFO L87 Difference]: Start difference. First operand 36208 states and 53309 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 03:46:17,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:17,146 INFO L93 Difference]: Finished difference Result 105017 states and 154637 transitions. [2022-07-23 03:46:17,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:46:17,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 196 [2022-07-23 03:46:17,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:17,642 INFO L225 Difference]: With dead ends: 105017 [2022-07-23 03:46:17,642 INFO L226 Difference]: Without dead ends: 68840 [2022-07-23 03:46:17,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:46:17,837 INFO L413 NwaCegarLoop]: 6668 mSDtfsCounter, 6306 mSDsluCounter, 7230 mSDsCounter, 0 mSdLazyCounter, 3594 mSolverCounterSat, 2495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7158 SdHoareTripleChecker+Valid, 13898 SdHoareTripleChecker+Invalid, 6089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2495 IncrementalHoareTripleChecker+Valid, 3594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:17,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7158 Valid, 13898 Invalid, 6089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2495 Valid, 3594 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-07-23 03:46:17,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68840 states. [2022-07-23 03:46:20,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68840 to 66947. [2022-07-23 03:46:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66947 states, 47890 states have (on average 1.3633743996659011) internal successors, (65292), 49703 states have internal predecessors, (65292), 16485 states have call successors, (16485), 2579 states have call predecessors, (16485), 2569 states have return successors, (16586), 15527 states have call predecessors, (16586), 16481 states have call successors, (16586) [2022-07-23 03:46:21,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66947 states to 66947 states and 98363 transitions. [2022-07-23 03:46:21,508 INFO L78 Accepts]: Start accepts. Automaton has 66947 states and 98363 transitions. Word has length 196 [2022-07-23 03:46:21,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:46:21,509 INFO L495 AbstractCegarLoop]: Abstraction has 66947 states and 98363 transitions. [2022-07-23 03:46:21,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 03:46:21,510 INFO L276 IsEmpty]: Start isEmpty. Operand 66947 states and 98363 transitions. [2022-07-23 03:46:21,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-23 03:46:21,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:21,513 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:46:21,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 03:46:21,515 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2022-07-23 03:46:21,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:21,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1088846815, now seen corresponding path program 1 times [2022-07-23 03:46:21,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:46:21,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301077290] [2022-07-23 03:46:21,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:21,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:46:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:21,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:46:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:21,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:46:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:21,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:21,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:46:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:21,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:21,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:46:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:21,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:46:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:21,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:46:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:46:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:46:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:46:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:46:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:46:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:46:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:46:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:46:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 03:46:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 03:46:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 03:46:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:22,181 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-23 03:46:22,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:46:22,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301077290] [2022-07-23 03:46:22,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301077290] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:46:22,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:46:22,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:46:22,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825741430] [2022-07-23 03:46:22,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:46:22,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:46:22,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:46:22,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:46:22,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:46:22,184 INFO L87 Difference]: Start difference. First operand 66947 states and 98363 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-23 03:46:31,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:31,251 INFO L93 Difference]: Finished difference Result 203204 states and 298952 transitions. [2022-07-23 03:46:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:46:31,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2022-07-23 03:46:31,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:32,157 INFO L225 Difference]: With dead ends: 203204 [2022-07-23 03:46:32,158 INFO L226 Difference]: Without dead ends: 136288 [2022-07-23 03:46:32,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:46:32,407 INFO L413 NwaCegarLoop]: 6129 mSDtfsCounter, 6367 mSDsluCounter, 6879 mSDsCounter, 0 mSdLazyCounter, 3617 mSolverCounterSat, 2599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7230 SdHoareTripleChecker+Valid, 13008 SdHoareTripleChecker+Invalid, 6216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2599 IncrementalHoareTripleChecker+Valid, 3617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:32,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7230 Valid, 13008 Invalid, 6216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2599 Valid, 3617 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-23 03:46:32,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136288 states. [2022-07-23 03:46:37,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136288 to 132533. [2022-07-23 03:46:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132533 states, 94858 states have (on average 1.3633641864681945) internal successors, (129326), 98483 states have internal predecessors, (129326), 32585 states have call successors, (32585), 5106 states have call predecessors, (32585), 5087 states have return successors, (32788), 30663 states have call predecessors, (32788), 32581 states have call successors, (32788) [2022-07-23 03:46:38,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132533 states to 132533 states and 194699 transitions. [2022-07-23 03:46:38,601 INFO L78 Accepts]: Start accepts. Automaton has 132533 states and 194699 transitions. Word has length 194 [2022-07-23 03:46:38,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:46:38,602 INFO L495 AbstractCegarLoop]: Abstraction has 132533 states and 194699 transitions. [2022-07-23 03:46:38,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-23 03:46:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 132533 states and 194699 transitions. [2022-07-23 03:46:38,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-23 03:46:38,605 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:38,606 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:46:38,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 03:46:38,606 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2022-07-23 03:46:38,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:38,607 INFO L85 PathProgramCache]: Analyzing trace with hash -303956428, now seen corresponding path program 1 times [2022-07-23 03:46:38,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:46:38,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309153795] [2022-07-23 03:46:38,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:38,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:46:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:46:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:46:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:46:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:46:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:46:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:46:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:46:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:46:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:46:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:46:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:46:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:38,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:46:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:39,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:39,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:46:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:39,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:39,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:46:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:39,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-23 03:46:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 03:46:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 03:46:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:39,041 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-23 03:46:39,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:46:39,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309153795] [2022-07-23 03:46:39,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309153795] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:46:39,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:46:39,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:46:39,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34120617] [2022-07-23 03:46:39,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:46:39,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:46:39,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:46:39,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:46:39,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:46:39,045 INFO L87 Difference]: Start difference. First operand 132533 states and 194699 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-23 03:46:52,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:52,357 INFO L93 Difference]: Finished difference Result 395345 states and 583247 transitions. [2022-07-23 03:46:52,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:46:52,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2022-07-23 03:46:52,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:54,173 INFO L225 Difference]: With dead ends: 395345 [2022-07-23 03:46:54,173 INFO L226 Difference]: Without dead ends: 262843 [2022-07-23 03:46:54,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:46:54,806 INFO L413 NwaCegarLoop]: 6322 mSDtfsCounter, 6302 mSDsluCounter, 6930 mSDsCounter, 0 mSdLazyCounter, 3533 mSolverCounterSat, 2540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7141 SdHoareTripleChecker+Valid, 13252 SdHoareTripleChecker+Invalid, 6073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2540 IncrementalHoareTripleChecker+Valid, 3533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:54,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7141 Valid, 13252 Invalid, 6073 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2540 Valid, 3533 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-23 03:46:55,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262843 states. [2022-07-23 03:47:04,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262843 to 256288. [2022-07-23 03:47:05,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256288 states, 183822 states have (on average 1.3669528130474045) internal successors, (251276), 190894 states have internal predecessors, (251276), 62646 states have call successors, (62646), 9878 states have call predecessors, (62646), 9817 states have return successors, (64182), 58781 states have call predecessors, (64182), 62642 states have call successors, (64182) [2022-07-23 03:47:07,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256288 states to 256288 states and 378104 transitions. [2022-07-23 03:47:07,494 INFO L78 Accepts]: Start accepts. Automaton has 256288 states and 378104 transitions. Word has length 194 [2022-07-23 03:47:07,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:47:07,495 INFO L495 AbstractCegarLoop]: Abstraction has 256288 states and 378104 transitions. [2022-07-23 03:47:07,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-23 03:47:07,496 INFO L276 IsEmpty]: Start isEmpty. Operand 256288 states and 378104 transitions. [2022-07-23 03:47:07,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-23 03:47:07,500 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:47:07,500 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 3, 3, 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, 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] [2022-07-23 03:47:07,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 03:47:07,501 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2022-07-23 03:47:07,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:47:07,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1238881710, now seen corresponding path program 1 times [2022-07-23 03:47:07,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:47:07,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531437042] [2022-07-23 03:47:07,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:47:07,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:47:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:47:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:47:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:47:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:47:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:47:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:47:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:47:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:47:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:47:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:47:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:47:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:47:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:47:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:08,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:47:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:08,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-23 03:47:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 03:47:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 03:47:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-23 03:47:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:08,087 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2022-07-23 03:47:08,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:47:08,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531437042] [2022-07-23 03:47:08,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531437042] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:47:08,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:47:08,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:47:08,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027335602] [2022-07-23 03:47:08,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:47:08,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:47:08,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:47:08,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:47:08,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:47:08,090 INFO L87 Difference]: Start difference. First operand 256288 states and 378104 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)