/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 07:32:10,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 07:32:10,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 07:32:10,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 07:32:10,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 07:32:10,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 07:32:10,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 07:32:10,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 07:32:10,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 07:32:10,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 07:32:10,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 07:32:10,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 07:32:10,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 07:32:10,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 07:32:10,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 07:32:10,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 07:32:10,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 07:32:10,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 07:32:10,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 07:32:10,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 07:32:10,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 07:32:10,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 07:32:10,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 07:32:10,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 07:32:10,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 07:32:10,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 07:32:10,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 07:32:10,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 07:32:10,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 07:32:10,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 07:32:10,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 07:32:10,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 07:32:10,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 07:32:10,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 07:32:10,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 07:32:10,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 07:32:10,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 07:32:10,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 07:32:10,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 07:32:10,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 07:32:10,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 07:32:10,494 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 07:32:10,523 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 07:32:10,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 07:32:10,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 07:32:10,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 07:32:10,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 07:32:10,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 07:32:10,525 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 07:32:10,525 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 07:32:10,525 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 07:32:10,525 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 07:32:10,526 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 07:32:10,526 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 07:32:10,526 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 07:32:10,526 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 07:32:10,526 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 07:32:10,526 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 07:32:10,526 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 07:32:10,526 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 07:32:10,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 07:32:10,527 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 07:32:10,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 07:32:10,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 07:32:10,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 07:32:10,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 07:32:10,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 07:32:10,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 07:32:10,528 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 07:32:10,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 07:32:10,528 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 07:32:10,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 07:32:10,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 07:32:10,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 07:32:10,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:32:10,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 07:32:10,529 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 07:32:10,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 07:32:10,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 07:32:10,530 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 07:32:10,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 07:32:10,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 07:32:10,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 07:32:10,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 07:32:10,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 07:32:10,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 07:32:10,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 07:32:10,800 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 07:32:10,801 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 07:32:10,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2023-04-03 07:32:11,955 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 07:32:12,519 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 07:32:12,520 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2023-04-03 07:32:12,576 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72bba35a6/ce6572da31e748e1a685e2bfc9762768/FLAG05cbfccfc [2023-04-03 07:32:12,591 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72bba35a6/ce6572da31e748e1a685e2bfc9762768 [2023-04-03 07:32:12,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 07:32:12,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 07:32:12,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 07:32:12,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 07:32:12,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 07:32:12,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:32:12" (1/1) ... [2023-04-03 07:32:12,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf75fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:12, skipping insertion in model container [2023-04-03 07:32:12,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:32:12" (1/1) ... [2023-04-03 07:32:12,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 07:32:12,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 07:32:16,823 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2023-04-03 07:32:16,828 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2023-04-03 07:32:16,829 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2023-04-03 07:32:16,829 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2023-04-03 07:32:16,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:32:16,921 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 07:32:17,506 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2023-04-03 07:32:17,508 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2023-04-03 07:32:17,509 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2023-04-03 07:32:17,509 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2023-04-03 07:32:17,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:32:17,738 WARN L667 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 07:32:17,739 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 07:32:17,739 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 07:32:17,745 INFO L208 MainTranslator]: Completed translation [2023-04-03 07:32:17,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:17 WrapperNode [2023-04-03 07:32:17,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 07:32:17,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 07:32:17,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 07:32:17,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 07:32:17,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:17" (1/1) ... [2023-04-03 07:32:17,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:17" (1/1) ... [2023-04-03 07:32:17,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:17" (1/1) ... [2023-04-03 07:32:17,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:17" (1/1) ... [2023-04-03 07:32:18,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:17" (1/1) ... [2023-04-03 07:32:18,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:17" (1/1) ... [2023-04-03 07:32:18,138 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:17" (1/1) ... [2023-04-03 07:32:18,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:17" (1/1) ... [2023-04-03 07:32:18,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 07:32:18,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 07:32:18,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 07:32:18,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 07:32:18,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:17" (1/1) ... [2023-04-03 07:32:18,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:32:18,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:32:18,259 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) [2023-04-03 07:32:18,288 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 [2023-04-03 07:32:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 07:32:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 07:32:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:32:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 07:32:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2023-04-03 07:32:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 07:32:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 07:32:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-03 07:32:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-04-03 07:32:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-04-03 07:32:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2023-04-03 07:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2023-04-03 07:32:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 07:32:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-04-03 07:32:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-04-03 07:32:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2023-04-03 07:32:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2023-04-03 07:32:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-04-03 07:32:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2023-04-03 07:32:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2023-04-03 07:32:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-04-03 07:32:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-04-03 07:32:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-04-03 07:32:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2023-04-03 07:32:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2023-04-03 07:32:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2023-04-03 07:32:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2023-04-03 07:32:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_valid [2023-04-03 07:32:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_valid [2023-04-03 07:32:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2023-04-03 07:32:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2023-04-03 07:32:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2023-04-03 07:32:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2023-04-03 07:32:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2023-04-03 07:32:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-04-03 07:32:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-04-03 07:32:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-04-03 07:32:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 07:32:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 07:32:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-03 07:32:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-03 07:32:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2023-04-03 07:32:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-04-03 07:32:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-04-03 07:32:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-04-03 07:32:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-04-03 07:32:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-04-03 07:32:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-03 07:32:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header_was_set [2023-04-03 07:32:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_transport_header [2023-04-03 07:32:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2023-04-03 07:32:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2023-04-03 07:32:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-04-03 07:32:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_probe_transport_header [2023-04-03 07:32:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2023-04-03 07:32:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_orphan [2023-04-03 07:32:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_orphan_frags [2023-04-03 07:32:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_tx_timestamp [2023-04-03 07:32:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_conntrack_put [2023-04-03 07:32:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_bridge_put [2023-04-03 07:32:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_reset [2023-04-03 07:32:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_rx_queue [2023-04-03 07:32:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_rx_queue_recorded [2023-04-03 07:32:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-04-03 07:32:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure get_net [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure put_net [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure release_net [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure write_pnet [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rps_record_sock_flow [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rps_reset_sock_flow [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net_set [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2023-04-03 07:32:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 07:32:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_all_queues [2023-04-03 07:32:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 07:32:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2023-04-03 07:32:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 07:32:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2023-04-03 07:32:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 07:32:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2023-04-03 07:32:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_hold [2023-04-03 07:32:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-04-03 07:32:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2023-04-03 07:32:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2023-04-03 07:32:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2023-04-03 07:32:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2023-04-03 07:32:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2023-04-03 07:32:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_set_flag [2023-04-03 07:32:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_record_flow_hash [2023-04-03 07:32:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_reset_flow_hash [2023-04-03 07:32:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2023-04-03 07:32:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2023-04-03 07:32:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_writeable [2023-04-03 07:32:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_net [2023-04-03 07:32:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_net_set [2023-04-03 07:32:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_change_net [2023-04-03 07:32:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_hashfn [2023-04-03 07:32:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_find [2023-04-03 07:32:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_create [2023-04-03 07:32:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete [2023-04-03 07:32:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_flush [2023-04-03 07:32:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete_by_queue [2023-04-03 07:32:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_cleanup [2023-04-03 07:32:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_update [2023-04-03 07:32:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_save_rps_rxhash [2023-04-03 07:32:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_select_queue [2023-04-03 07:32:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_not_capable [2023-04-03 07:32:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_real_num_queues [2023-04-03 07:32:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_disable_queue [2023-04-03 07:32:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_enable_queue [2023-04-03 07:32:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_queue_purge [2023-04-03 07:32:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_detach [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_all [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_get [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure addr_hash_set [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure addr_hash_test [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure update_filter [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure run_filter [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure check_filter [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_uninit [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_open [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_close [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_xmit [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_mclist [2023-04-03 07:32:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_change_mtu [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_fix_features [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_poll_controller [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_init [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_uninit [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_init [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_poll [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_alloc_skb [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_user [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_aio_write [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put_user [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_do_read [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_aio_read [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_free_netdev [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_setup [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_validate [2023-04-03 07:32:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_sock_write_space [2023-04-03 07:32:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_sendmsg [2023-04-03 07:32:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_recvmsg [2023-04-03 07:32:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_release [2023-04-03 07:32:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flags [2023-04-03 07:32:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_show_flags [2023-04-03 07:32:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_show_owner [2023-04-03 07:32:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_show_group [2023-04-03 07:32:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_iff [2023-04-03 07:32:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_iff [2023-04-03 07:32:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure set_offload [2023-04-03 07:32:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_filter [2023-04-03 07:32:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach_filter [2023-04-03 07:32:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_sndbuf [2023-04-03 07:32:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_queue [2023-04-03 07:32:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_chr_ioctl [2023-04-03 07:32:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_ioctl [2023-04-03 07:32:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_compat_ioctl [2023-04-03 07:32:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_fasync [2023-04-03 07:32:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_open [2023-04-03 07:32:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_close [2023-04-03 07:32:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_show_fdinfo [2023-04-03 07:32:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_settings [2023-04-03 07:32:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_drvinfo [2023-04-03 07:32:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_msglevel [2023-04-03 07:32:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_msglevel [2023-04-03 07:32:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_init [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_cleanup [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_socket [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_tun_init_15_11 [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs_setup_7_3 [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_10_1 [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_13_1 [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_12_15_4 [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_io_instance_11_15_5 [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_8_1 [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_12_2 [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_2 [2023-04-03 07:32:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_14_2 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_12_15_6 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_io_instance_11_15_7 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_11 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_23 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_24 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_25 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_26 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_27 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_28 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2023-04-03 07:32:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_32 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_3 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_15 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_22 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_25 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_28 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_31 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_34 [2023-04-03 07:32:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_35 [2023-04-03 07:32:18,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_38 [2023-04-03 07:32:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_39 [2023-04-03 07:32:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_5 [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_0_12 [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_release_0_2 [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_0_4 [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_io_instance_callback_2_19 [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_io_instance_callback_2_4 [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_io_instance_release_2_2 [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_proto_io_instance_2 [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_device_attribute_dummy_resourceless_instance_3 [2023-04-03 07:32:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_device_attribute_dummy_resourceless_instance_4 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_device_attribute_dummy_resourceless_instance_5 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_15 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_14 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_5 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_1 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_5 [2023-04-03 07:32:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_1 [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_3 [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_6_2 [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_6 [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_75 [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_76 [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_80 [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_83 [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_85 [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_86 [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_87 [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_88 [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs_89 [2023-04-03 07:32:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_90 [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_91 [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_92 [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_93 [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 07:32:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 07:32:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 07:32:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 07:32:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:32:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 07:32:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_res_counter [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_res_counter [2023-04-03 07:32:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_res_counter [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_res_counter [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_res_counter [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_res_counter [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_res_counter [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tun_struct [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tun_struct [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_tun_struct [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_tun_struct [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_tun_struct [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_tun_struct [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_tun_struct [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_tun_struct [2023-04-03 07:32:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:32:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:32:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_sk_dst_lock_of_sock [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:32:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1712 [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_240 [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_get_by_name [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __f_setown [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __module_get [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __put_net [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_get_hash [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up_sync_key [2023-04-03 07:32:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mac_address [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_read [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_write [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 07:32:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_ts_info [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure fasync_helper [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure in_egroup_p [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_pages [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_call_rcu [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 07:32:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 07:32:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 07:32:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 07:32:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rtnl_is_held [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure make_kgid [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure make_kuid [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovecend [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-04-03 07:32:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_rx_queues [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_conntrack_destroy [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_capable [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_up [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_register [2023-04-03 07:32:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_alloc_security [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_attach [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_attach_queue [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_create [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_free_security [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_open [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_alloc [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_attach_filter [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_detach_filter [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_filter [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_free [2023-04-03 07:32:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_release_kernel [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_const_iovec [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_from_iovec [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_ubufs [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_flow_dissect [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_partial_csum_set [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_error [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_alloc_send_pskb [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_init_data [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_recv_errqueue [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_tx_timestamp [2023-04-03 07:32:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 07:32:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2023-04-03 07:32:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2023-04-03 07:32:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 07:32:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure zerocopy_sg_from_iovec [2023-04-03 07:32:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2023-04-03 07:32:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 07:32:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 07:32:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 07:32:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 07:32:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-04-03 07:32:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 07:32:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 07:32:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-03 07:32:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 07:32:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tun_struct [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tun_struct [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 07:32:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2023-04-03 07:32:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 07:32:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-04-03 07:32:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_75 [2023-04-03 07:32:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-04-03 07:32:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_76 [2023-04-03 07:32:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2023-04-03 07:32:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 07:32:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2023-04-03 07:32:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-04-03 07:32:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-04-03 07:32:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up_sync_key [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_call_rcu [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-04-03 07:32:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure uid_valid [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure gid_valid [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure make_kuid [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure make_kgid [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 07:32:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_80 [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_83 [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_86 [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_87 [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_up [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_92 [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_93 [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-04-03 07:32:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovecend [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure iov_pages [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure ns_capable [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure __f_setown [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_read [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_write [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2023-04-03 07:32:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure in_egroup_p [2023-04-03 07:32:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-03 07:32:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2023-04-03 07:32:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-04-03 07:32:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-04-03 07:32:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-04-03 07:32:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2023-04-03 07:32:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 07:32:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 07:32:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 07:32:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 07:32:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-03 07:32:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-03 07:32:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_flow_dissect [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_error [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_ubufs [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_get_hash [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-04-03 07:32:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header_was_set [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_transport_header [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_probe_transport_header [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_orphan [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:32:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_orphan_frags [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_from_iovec [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure zerocopy_sg_from_iovec [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_const_iovec [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure sw_tx_timestamp [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure nf_conntrack_destroy [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure nf_conntrack_put [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure nf_bridge_put [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure nf_reset [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_rx_queue [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_rx_queue_recorded [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-04-03 07:32:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_partial_csum_set [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_ts_info [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure __put_net [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure get_net [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure put_net [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure release_net [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure write_pnet [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_alloc_security [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_free_security [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_create [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_attach_queue [2023-04-03 07:32:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_attach [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_open [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure rps_record_sock_flow [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure rps_reset_sock_flow [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net_set [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_get_by_name [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_90 [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_85 [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_88 [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_91 [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2023-04-03 07:32:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_all_queues [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_rx_queues [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mac_address [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure dev_hold [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-04-03 07:32:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs_89 [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure __module_get [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-04-03 07:32:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rtnl_is_held [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure sk_filter [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure sk_attach_filter [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure sk_detach_filter [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_socket [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_register [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure sock_set_flag [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_record_flow_hash [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_reset_flow_hash [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure sk_alloc [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure sk_free [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure sk_release_kernel [2023-04-03 07:32:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure sock_alloc_send_pskb [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure sock_init_data [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1712 [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure sock_writeable [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure sock_tx_timestamp [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure sock_net [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure sock_net_set [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure sk_change_net [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure sock_recv_errqueue [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure tun_hashfn [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_find [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_create [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_240 [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete [2023-04-03 07:32:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_flush [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete_by_queue [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_cleanup [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_update [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_save_rps_rxhash [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tun_select_queue [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tun_not_capable [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_real_num_queues [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tun_disable_queue [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tun_enable_queue [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tun_queue_purge [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_detach [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_all [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach [2023-04-03 07:32:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_get [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure addr_hash_set [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure addr_hash_test [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure update_filter [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure run_filter [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure check_filter [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_uninit [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_open [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_close [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_xmit [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_mclist [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_change_mtu [2023-04-03 07:32:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_fix_features [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_poll_controller [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_init [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_uninit [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_init [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_poll [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_alloc_skb [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_user [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_aio_write [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put_user [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_do_read [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_aio_read [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_free_netdev [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_setup [2023-04-03 07:32:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tun_validate [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_sock_write_space [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_sendmsg [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_recvmsg [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_release [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flags [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_show_flags [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_show_owner [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_show_group [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_iff [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_iff [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure set_offload [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_filter [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach_filter [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_sndbuf [2023-04-03 07:32:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_queue [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_chr_ioctl [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_ioctl [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_compat_ioctl [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_fasync [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_open [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_close [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_show_fdinfo [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_settings [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_drvinfo [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_msglevel [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_msglevel [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tun_init [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tun_cleanup [2023-04-03 07:32:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_tun_init_15_11 [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs_setup_7_3 [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_10_1 [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_13_1 [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_12_15_4 [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_io_instance_11_15_5 [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_8_1 [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_12_2 [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_2 [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_14_2 [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_12_15_6 [2023-04-03 07:32:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_io_instance_11_15_7 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_11 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_23 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_24 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_25 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_26 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_27 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_28 [2023-04-03 07:32:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_32 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_3 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_15 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_22 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_25 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_28 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_31 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_34 [2023-04-03 07:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_35 [2023-04-03 07:32:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_38 [2023-04-03 07:32:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_39 [2023-04-03 07:32:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_5 [2023-04-03 07:32:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_0_12 [2023-04-03 07:32:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_release_0_2 [2023-04-03 07:32:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_0_4 [2023-04-03 07:32:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 07:32:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 07:32:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_io_instance_callback_2_19 [2023-04-03 07:32:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_io_instance_callback_2_4 [2023-04-03 07:32:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_io_instance_release_2_2 [2023-04-03 07:32:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister [2023-04-03 07:32:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register [2023-04-03 07:32:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_proto_io_instance_2 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_device_attribute_dummy_resourceless_instance_3 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_device_attribute_dummy_resourceless_instance_4 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_device_attribute_dummy_resourceless_instance_5 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_15 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_14 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_5 [2023-04-03 07:32:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_1 [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_5 [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_1 [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_3 [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_6_2 [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_6 [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 07:32:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 07:32:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_res_counter [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_res_counter [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_res_counter [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_res_counter [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_res_counter [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_res_counter [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_res_counter [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_tun_struct [2023-04-03 07:32:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_tun_struct [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_tun_struct [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_tun_struct [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_tun_struct [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_tun_struct [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:32:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:32:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_sk_dst_lock_of_sock [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 07:32:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 07:32:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 07:32:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 07:32:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 07:32:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 07:32:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 07:32:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 07:32:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 07:32:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 07:32:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 07:32:19,533 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 07:32:19,540 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 07:32:21,546 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 07:32:22,158 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 07:32:24,589 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 07:32:28,456 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 07:32:28,456 INFO L302 CfgBuilder]: Removed 20 assume(true) statements. [2023-04-03 07:32:28,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:32:28 BoogieIcfgContainer [2023-04-03 07:32:28,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 07:32:28,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 07:32:28,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 07:32:28,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 07:32:28,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 07:32:12" (1/3) ... [2023-04-03 07:32:28,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7e1ef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:32:28, skipping insertion in model container [2023-04-03 07:32:28,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:17" (2/3) ... [2023-04-03 07:32:28,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7e1ef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:32:28, skipping insertion in model container [2023-04-03 07:32:28,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:32:28" (3/3) ... [2023-04-03 07:32:28,473 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2023-04-03 07:32:28,489 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 07:32:28,490 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 07:32:28,600 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 07:32:28,611 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=FINITE_AUTOMATA, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@24cf1f1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 07:32:28,612 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 07:32:28,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 3234 states, 1768 states have (on average 1.2364253393665159) internal successors, (2186), 1844 states have internal predecessors, (2186), 914 states have call successors, (914), 404 states have call predecessors, (914), 402 states have return successors, (906), 890 states have call predecessors, (906), 906 states have call successors, (906) [2023-04-03 07:32:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-04-03 07:32:28,662 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:28,663 INFO L195 NwaCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:28,664 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:28,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:28,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1506859576, now seen corresponding path program 1 times [2023-04-03 07:32:28,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:28,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090636271] [2023-04-03 07:32:28,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:28,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2023-04-03 07:32:29,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:29,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090636271] [2023-04-03 07:32:29,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090636271] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:29,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:29,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:32:29,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451719738] [2023-04-03 07:32:29,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:29,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:32:29,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:30,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:32:30,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:30,035 INFO L87 Difference]: Start difference. First operand has 3234 states, 1768 states have (on average 1.2364253393665159) internal successors, (2186), 1844 states have internal predecessors, (2186), 914 states have call successors, (914), 404 states have call predecessors, (914), 402 states have return successors, (906), 890 states have call predecessors, (906), 906 states have call successors, (906) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 07:32:32,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:32,022 INFO L93 Difference]: Finished difference Result 7265 states and 9504 transitions. [2023-04-03 07:32:32,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:32:32,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 308 [2023-04-03 07:32:32,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:32,082 INFO L225 Difference]: With dead ends: 7265 [2023-04-03 07:32:32,082 INFO L226 Difference]: Without dead ends: 4791 [2023-04-03 07:32:32,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:32,106 INFO L413 NwaCegarLoop]: 2830 mSDtfsCounter, 3006 mSDsluCounter, 2727 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3006 SdHoareTripleChecker+Valid, 5557 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:32,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3006 Valid, 5557 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 07:32:32,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4791 states. [2023-04-03 07:32:32,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4791 to 4787. [2023-04-03 07:32:32,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4787 states, 2720 states have (on average 1.2591911764705883) internal successors, (3425), 2830 states have internal predecessors, (3425), 1376 states have call successors, (1376), 691 states have call predecessors, (1376), 688 states have return successors, (1371), 1349 states have call predecessors, (1371), 1371 states have call successors, (1371) [2023-04-03 07:32:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 6172 transitions. [2023-04-03 07:32:32,431 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 6172 transitions. Word has length 308 [2023-04-03 07:32:32,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:32,432 INFO L495 AbstractCegarLoop]: Abstraction has 4787 states and 6172 transitions. [2023-04-03 07:32:32,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 07:32:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 6172 transitions. [2023-04-03 07:32:32,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-04-03 07:32:32,440 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:32,440 INFO L195 NwaCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:32,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 07:32:32,443 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:32,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:32,444 INFO L85 PathProgramCache]: Analyzing trace with hash -397329219, now seen corresponding path program 1 times [2023-04-03 07:32:32,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:32,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448412794] [2023-04-03 07:32:32,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:32,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:33,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2023-04-03 07:32:33,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:33,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448412794] [2023-04-03 07:32:33,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448412794] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:33,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:33,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:32:33,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453982821] [2023-04-03 07:32:33,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:33,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:32:33,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:33,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:32:33,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:33,208 INFO L87 Difference]: Start difference. First operand 4787 states and 6172 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 07:32:35,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:35,043 INFO L93 Difference]: Finished difference Result 14083 states and 18228 transitions. [2023-04-03 07:32:35,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:32:35,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 317 [2023-04-03 07:32:35,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:35,101 INFO L225 Difference]: With dead ends: 14083 [2023-04-03 07:32:35,101 INFO L226 Difference]: Without dead ends: 9364 [2023-04-03 07:32:35,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:35,124 INFO L413 NwaCegarLoop]: 2980 mSDtfsCounter, 3086 mSDsluCounter, 2781 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 5761 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:35,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3086 Valid, 5761 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:32:35,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9364 states. [2023-04-03 07:32:35,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9364 to 9320. [2023-04-03 07:32:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9320 states, 5316 states have (on average 1.2620391271632807) internal successors, (6709), 5535 states have internal predecessors, (6709), 2660 states have call successors, (2660), 1351 states have call predecessors, (2660), 1341 states have return successors, (2715), 2598 states have call predecessors, (2715), 2655 states have call successors, (2715) [2023-04-03 07:32:35,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9320 states to 9320 states and 12084 transitions. [2023-04-03 07:32:35,549 INFO L78 Accepts]: Start accepts. Automaton has 9320 states and 12084 transitions. Word has length 317 [2023-04-03 07:32:35,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:35,551 INFO L495 AbstractCegarLoop]: Abstraction has 9320 states and 12084 transitions. [2023-04-03 07:32:35,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 07:32:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 9320 states and 12084 transitions. [2023-04-03 07:32:35,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2023-04-03 07:32:35,559 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:35,559 INFO L195 NwaCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:35,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 07:32:35,561 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:35,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:35,561 INFO L85 PathProgramCache]: Analyzing trace with hash -235535473, now seen corresponding path program 1 times [2023-04-03 07:32:35,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:35,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288543577] [2023-04-03 07:32:35,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:35,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:36,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2864 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2864 trivial. 0 not checked. [2023-04-03 07:32:36,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:36,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288543577] [2023-04-03 07:32:36,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288543577] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:36,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:36,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:32:36,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785797882] [2023-04-03 07:32:36,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:36,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:32:36,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:36,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:32:36,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:36,352 INFO L87 Difference]: Start difference. First operand 9320 states and 12084 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-03 07:32:37,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:37,883 INFO L93 Difference]: Finished difference Result 18397 states and 23819 transitions. [2023-04-03 07:32:37,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:32:37,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 350 [2023-04-03 07:32:37,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:37,939 INFO L225 Difference]: With dead ends: 18397 [2023-04-03 07:32:37,939 INFO L226 Difference]: Without dead ends: 9145 [2023-04-03 07:32:37,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:37,979 INFO L413 NwaCegarLoop]: 2891 mSDtfsCounter, 1536 mSDsluCounter, 2731 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 5622 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:37,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1536 Valid, 5622 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 07:32:37,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9145 states. [2023-04-03 07:32:38,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9145 to 9103. [2023-04-03 07:32:38,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9103 states, 5201 states have (on average 1.258988656027687) internal successors, (6548), 5417 states have internal predecessors, (6548), 2559 states have call successors, (2559), 1355 states have call predecessors, (2559), 1340 states have return successors, (2614), 2474 states have call predecessors, (2614), 2554 states have call successors, (2614) [2023-04-03 07:32:38,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9103 states to 9103 states and 11721 transitions. [2023-04-03 07:32:38,507 INFO L78 Accepts]: Start accepts. Automaton has 9103 states and 11721 transitions. Word has length 350 [2023-04-03 07:32:38,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:38,510 INFO L495 AbstractCegarLoop]: Abstraction has 9103 states and 11721 transitions. [2023-04-03 07:32:38,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-03 07:32:38,512 INFO L276 IsEmpty]: Start isEmpty. Operand 9103 states and 11721 transitions. [2023-04-03 07:32:38,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2023-04-03 07:32:38,520 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:38,520 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:38,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 07:32:38,521 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:38,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:38,522 INFO L85 PathProgramCache]: Analyzing trace with hash -189558727, now seen corresponding path program 1 times [2023-04-03 07:32:38,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:38,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544937057] [2023-04-03 07:32:38,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:38,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:39,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3004 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2995 trivial. 0 not checked. [2023-04-03 07:32:39,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:39,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544937057] [2023-04-03 07:32:39,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544937057] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:39,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:39,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:39,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87058993] [2023-04-03 07:32:39,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:39,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:39,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:39,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:39,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:39,313 INFO L87 Difference]: Start difference. First operand 9103 states and 11721 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-04-03 07:32:40,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:40,934 INFO L93 Difference]: Finished difference Result 9109 states and 11726 transitions. [2023-04-03 07:32:40,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:40,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 374 [2023-04-03 07:32:40,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:40,983 INFO L225 Difference]: With dead ends: 9109 [2023-04-03 07:32:40,984 INFO L226 Difference]: Without dead ends: 9107 [2023-04-03 07:32:40,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:40,991 INFO L413 NwaCegarLoop]: 2799 mSDtfsCounter, 3214 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3228 SdHoareTripleChecker+Valid, 8382 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:40,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3228 Valid, 8382 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-03 07:32:41,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9107 states. [2023-04-03 07:32:41,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9107 to 9107. [2023-04-03 07:32:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9107 states, 5204 states have (on average 1.2588393543428131) internal successors, (6551), 5420 states have internal predecessors, (6551), 2559 states have call successors, (2559), 1356 states have call predecessors, (2559), 1341 states have return successors, (2614), 2474 states have call predecessors, (2614), 2554 states have call successors, (2614) [2023-04-03 07:32:41,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9107 states to 9107 states and 11724 transitions. [2023-04-03 07:32:41,392 INFO L78 Accepts]: Start accepts. Automaton has 9107 states and 11724 transitions. Word has length 374 [2023-04-03 07:32:41,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:41,394 INFO L495 AbstractCegarLoop]: Abstraction has 9107 states and 11724 transitions. [2023-04-03 07:32:41,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-04-03 07:32:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 9107 states and 11724 transitions. [2023-04-03 07:32:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2023-04-03 07:32:41,403 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:41,403 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:41,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 07:32:41,403 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:41,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:41,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1459746030, now seen corresponding path program 1 times [2023-04-03 07:32:41,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:41,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308878133] [2023-04-03 07:32:41,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:41,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3006 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2995 trivial. 0 not checked. [2023-04-03 07:32:42,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:42,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308878133] [2023-04-03 07:32:42,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308878133] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:42,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:42,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:42,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904842121] [2023-04-03 07:32:42,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:42,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:42,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:42,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:42,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:42,144 INFO L87 Difference]: Start difference. First operand 9107 states and 11724 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-03 07:32:44,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:44,020 INFO L93 Difference]: Finished difference Result 9113 states and 11729 transitions. [2023-04-03 07:32:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:44,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 379 [2023-04-03 07:32:44,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:44,070 INFO L225 Difference]: With dead ends: 9113 [2023-04-03 07:32:44,070 INFO L226 Difference]: Without dead ends: 9111 [2023-04-03 07:32:44,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:44,079 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3209 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3222 SdHoareTripleChecker+Valid, 8385 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:44,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3222 Valid, 8385 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:32:44,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9111 states. [2023-04-03 07:32:44,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9111 to 9111. [2023-04-03 07:32:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9111 states, 5207 states have (on average 1.2586902246975227) internal successors, (6554), 5423 states have internal predecessors, (6554), 2559 states have call successors, (2559), 1357 states have call predecessors, (2559), 1342 states have return successors, (2614), 2474 states have call predecessors, (2614), 2554 states have call successors, (2614) [2023-04-03 07:32:44,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9111 states to 9111 states and 11727 transitions. [2023-04-03 07:32:44,610 INFO L78 Accepts]: Start accepts. Automaton has 9111 states and 11727 transitions. Word has length 379 [2023-04-03 07:32:44,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:44,611 INFO L495 AbstractCegarLoop]: Abstraction has 9111 states and 11727 transitions. [2023-04-03 07:32:44,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-03 07:32:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 9111 states and 11727 transitions. [2023-04-03 07:32:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2023-04-03 07:32:44,619 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:44,619 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:44,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 07:32:44,620 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:44,620 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:44,620 INFO L85 PathProgramCache]: Analyzing trace with hash 252465433, now seen corresponding path program 1 times [2023-04-03 07:32:44,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:44,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482138264] [2023-04-03 07:32:44,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:44,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3012 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2999 trivial. 0 not checked. [2023-04-03 07:32:45,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:45,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482138264] [2023-04-03 07:32:45,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482138264] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:45,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:45,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:45,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776824511] [2023-04-03 07:32:45,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:45,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:45,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:45,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:45,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:45,351 INFO L87 Difference]: Start difference. First operand 9111 states and 11727 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (52), 3 states have call predecessors, (52), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-04-03 07:32:47,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:47,146 INFO L93 Difference]: Finished difference Result 9117 states and 11732 transitions. [2023-04-03 07:32:47,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:47,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (52), 3 states have call predecessors, (52), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 384 [2023-04-03 07:32:47,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:47,189 INFO L225 Difference]: With dead ends: 9117 [2023-04-03 07:32:47,189 INFO L226 Difference]: Without dead ends: 9115 [2023-04-03 07:32:47,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:47,198 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3209 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 8385 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:47,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3221 Valid, 8385 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:32:47,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9115 states. [2023-04-03 07:32:47,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9115 to 9115. [2023-04-03 07:32:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9115 states, 5210 states have (on average 1.2585412667946256) internal successors, (6557), 5426 states have internal predecessors, (6557), 2559 states have call successors, (2559), 1358 states have call predecessors, (2559), 1343 states have return successors, (2614), 2474 states have call predecessors, (2614), 2554 states have call successors, (2614) [2023-04-03 07:32:47,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9115 states to 9115 states and 11730 transitions. [2023-04-03 07:32:47,664 INFO L78 Accepts]: Start accepts. Automaton has 9115 states and 11730 transitions. Word has length 384 [2023-04-03 07:32:47,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:47,665 INFO L495 AbstractCegarLoop]: Abstraction has 9115 states and 11730 transitions. [2023-04-03 07:32:47,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (52), 3 states have call predecessors, (52), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-04-03 07:32:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 9115 states and 11730 transitions. [2023-04-03 07:32:47,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2023-04-03 07:32:47,676 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:47,677 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:47,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 07:32:47,677 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:47,678 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:47,678 INFO L85 PathProgramCache]: Analyzing trace with hash 345567118, now seen corresponding path program 1 times [2023-04-03 07:32:47,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:47,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732559417] [2023-04-03 07:32:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:47,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3022 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3007 trivial. 0 not checked. [2023-04-03 07:32:48,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:48,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732559417] [2023-04-03 07:32:48,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732559417] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:48,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:48,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:48,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042638431] [2023-04-03 07:32:48,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:48,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:48,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:48,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:48,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:48,327 INFO L87 Difference]: Start difference. First operand 9115 states and 11730 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-04-03 07:32:50,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:50,189 INFO L93 Difference]: Finished difference Result 9121 states and 11735 transitions. [2023-04-03 07:32:50,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:50,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 389 [2023-04-03 07:32:50,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:50,223 INFO L225 Difference]: With dead ends: 9121 [2023-04-03 07:32:50,223 INFO L226 Difference]: Without dead ends: 9119 [2023-04-03 07:32:50,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:50,229 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3209 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3220 SdHoareTripleChecker+Valid, 8385 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:50,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3220 Valid, 8385 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 07:32:50,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9119 states. [2023-04-03 07:32:50,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9119 to 9119. [2023-04-03 07:32:50,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9119 states, 5213 states have (on average 1.2583924803376174) internal successors, (6560), 5429 states have internal predecessors, (6560), 2559 states have call successors, (2559), 1359 states have call predecessors, (2559), 1344 states have return successors, (2614), 2474 states have call predecessors, (2614), 2554 states have call successors, (2614) [2023-04-03 07:32:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9119 states to 9119 states and 11733 transitions. [2023-04-03 07:32:50,669 INFO L78 Accepts]: Start accepts. Automaton has 9119 states and 11733 transitions. Word has length 389 [2023-04-03 07:32:50,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:50,670 INFO L495 AbstractCegarLoop]: Abstraction has 9119 states and 11733 transitions. [2023-04-03 07:32:50,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-04-03 07:32:50,670 INFO L276 IsEmpty]: Start isEmpty. Operand 9119 states and 11733 transitions. [2023-04-03 07:32:50,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2023-04-03 07:32:50,678 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:50,679 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:50,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 07:32:50,679 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:50,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:50,680 INFO L85 PathProgramCache]: Analyzing trace with hash 201533945, now seen corresponding path program 1 times [2023-04-03 07:32:50,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:50,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166911997] [2023-04-03 07:32:50,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:50,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3036 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3019 trivial. 0 not checked. [2023-04-03 07:32:51,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:51,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166911997] [2023-04-03 07:32:51,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166911997] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:51,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:51,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:51,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830057084] [2023-04-03 07:32:51,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:51,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:51,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:51,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:51,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:51,307 INFO L87 Difference]: Start difference. First operand 9119 states and 11733 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-04-03 07:32:53,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:53,045 INFO L93 Difference]: Finished difference Result 9125 states and 11738 transitions. [2023-04-03 07:32:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:53,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 394 [2023-04-03 07:32:53,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:53,084 INFO L225 Difference]: With dead ends: 9125 [2023-04-03 07:32:53,085 INFO L226 Difference]: Without dead ends: 9123 [2023-04-03 07:32:53,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:53,092 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3209 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3219 SdHoareTripleChecker+Valid, 8385 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:53,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3219 Valid, 8385 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-03 07:32:53,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9123 states. [2023-04-03 07:32:53,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9123 to 9123. [2023-04-03 07:32:53,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9123 states, 5216 states have (on average 1.2582438650306749) internal successors, (6563), 5432 states have internal predecessors, (6563), 2559 states have call successors, (2559), 1360 states have call predecessors, (2559), 1345 states have return successors, (2614), 2474 states have call predecessors, (2614), 2554 states have call successors, (2614) [2023-04-03 07:32:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9123 states to 9123 states and 11736 transitions. [2023-04-03 07:32:53,670 INFO L78 Accepts]: Start accepts. Automaton has 9123 states and 11736 transitions. Word has length 394 [2023-04-03 07:32:53,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:53,671 INFO L495 AbstractCegarLoop]: Abstraction has 9123 states and 11736 transitions. [2023-04-03 07:32:53,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-04-03 07:32:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 9123 states and 11736 transitions. [2023-04-03 07:32:53,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2023-04-03 07:32:53,677 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:53,678 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:53,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 07:32:53,678 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:53,678 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:53,679 INFO L85 PathProgramCache]: Analyzing trace with hash -694103506, now seen corresponding path program 1 times [2023-04-03 07:32:53,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:53,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925487639] [2023-04-03 07:32:53,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:53,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3054 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3035 trivial. 0 not checked. [2023-04-03 07:32:54,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:54,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925487639] [2023-04-03 07:32:54,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925487639] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:54,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:54,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:54,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103305888] [2023-04-03 07:32:54,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:54,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:54,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:54,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:54,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:54,272 INFO L87 Difference]: Start difference. First operand 9123 states and 11736 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (55), 3 states have call predecessors, (55), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-04-03 07:32:55,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:55,834 INFO L93 Difference]: Finished difference Result 9129 states and 11741 transitions. [2023-04-03 07:32:55,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:55,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (55), 3 states have call predecessors, (55), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 399 [2023-04-03 07:32:55,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:55,875 INFO L225 Difference]: With dead ends: 9129 [2023-04-03 07:32:55,875 INFO L226 Difference]: Without dead ends: 9127 [2023-04-03 07:32:55,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:55,883 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3209 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 8385 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:55,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3218 Valid, 8385 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 07:32:55,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9127 states. [2023-04-03 07:32:56,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9127 to 9127. [2023-04-03 07:32:56,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9127 states, 5219 states have (on average 1.258095420578655) internal successors, (6566), 5435 states have internal predecessors, (6566), 2559 states have call successors, (2559), 1361 states have call predecessors, (2559), 1346 states have return successors, (2614), 2474 states have call predecessors, (2614), 2554 states have call successors, (2614) [2023-04-03 07:32:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9127 states to 9127 states and 11739 transitions. [2023-04-03 07:32:56,500 INFO L78 Accepts]: Start accepts. Automaton has 9127 states and 11739 transitions. Word has length 399 [2023-04-03 07:32:56,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:56,501 INFO L495 AbstractCegarLoop]: Abstraction has 9127 states and 11739 transitions. [2023-04-03 07:32:56,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (55), 3 states have call predecessors, (55), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-04-03 07:32:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 9127 states and 11739 transitions. [2023-04-03 07:32:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2023-04-03 07:32:56,508 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:56,509 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 7, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:56,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 07:32:56,509 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:56,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:56,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1989911070, now seen corresponding path program 1 times [2023-04-03 07:32:56,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:56,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31080158] [2023-04-03 07:32:56,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:56,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3078 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3064 trivial. 0 not checked. [2023-04-03 07:32:57,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:57,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31080158] [2023-04-03 07:32:57,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31080158] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:57,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:57,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:57,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176432557] [2023-04-03 07:32:57,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:57,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:57,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:57,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:57,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:57,125 INFO L87 Difference]: Start difference. First operand 9127 states and 11739 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (65), 3 states have call predecessors, (65), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2023-04-03 07:32:58,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:58,618 INFO L93 Difference]: Finished difference Result 9133 states and 11744 transitions. [2023-04-03 07:32:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:58,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (65), 3 states have call predecessors, (65), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 431 [2023-04-03 07:32:58,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:58,656 INFO L225 Difference]: With dead ends: 9133 [2023-04-03 07:32:58,656 INFO L226 Difference]: Without dead ends: 9131 [2023-04-03 07:32:58,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:58,663 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3215 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3223 SdHoareTripleChecker+Valid, 8385 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:58,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3223 Valid, 8385 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:32:58,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9131 states. [2023-04-03 07:32:59,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9131 to 9131. [2023-04-03 07:32:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9131 states, 5222 states have (on average 1.257947146687093) internal successors, (6569), 5438 states have internal predecessors, (6569), 2559 states have call successors, (2559), 1362 states have call predecessors, (2559), 1347 states have return successors, (2614), 2474 states have call predecessors, (2614), 2554 states have call successors, (2614) [2023-04-03 07:32:59,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9131 states to 9131 states and 11742 transitions. [2023-04-03 07:32:59,290 INFO L78 Accepts]: Start accepts. Automaton has 9131 states and 11742 transitions. Word has length 431 [2023-04-03 07:32:59,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:59,291 INFO L495 AbstractCegarLoop]: Abstraction has 9131 states and 11742 transitions. [2023-04-03 07:32:59,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (65), 3 states have call predecessors, (65), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2023-04-03 07:32:59,291 INFO L276 IsEmpty]: Start isEmpty. Operand 9131 states and 11742 transitions. [2023-04-03 07:32:59,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2023-04-03 07:32:59,299 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:59,299 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 8, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:59,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 07:32:59,300 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:59,300 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:59,300 INFO L85 PathProgramCache]: Analyzing trace with hash 584767333, now seen corresponding path program 1 times [2023-04-03 07:32:59,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:59,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795631339] [2023-04-03 07:32:59,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:59,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:00,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3104 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3088 trivial. 0 not checked. [2023-04-03 07:33:00,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:00,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795631339] [2023-04-03 07:33:00,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795631339] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:00,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:00,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:00,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293378631] [2023-04-03 07:33:00,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:00,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:00,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:00,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:00,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:00,085 INFO L87 Difference]: Start difference. First operand 9131 states and 11742 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (66), 3 states have call predecessors, (66), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2023-04-03 07:33:01,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:01,643 INFO L93 Difference]: Finished difference Result 9725 states and 12427 transitions. [2023-04-03 07:33:01,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:01,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (66), 3 states have call predecessors, (66), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 436 [2023-04-03 07:33:01,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:01,680 INFO L225 Difference]: With dead ends: 9725 [2023-04-03 07:33:01,680 INFO L226 Difference]: Without dead ends: 9723 [2023-04-03 07:33:01,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:01,687 INFO L413 NwaCegarLoop]: 2826 mSDtfsCounter, 3060 mSDsluCounter, 5894 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3067 SdHoareTripleChecker+Valid, 8720 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:01,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3067 Valid, 8720 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:33:01,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9723 states. [2023-04-03 07:33:02,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9723 to 9723. [2023-04-03 07:33:02,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9723 states, 5555 states have (on average 1.2543654365436543) internal successors, (6968), 5780 states have internal predecessors, (6968), 2701 states have call successors, (2701), 1479 states have call predecessors, (2701), 1464 states have return successors, (2756), 2615 states have call predecessors, (2756), 2696 states have call successors, (2756) [2023-04-03 07:33:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9723 states to 9723 states and 12425 transitions. [2023-04-03 07:33:02,344 INFO L78 Accepts]: Start accepts. Automaton has 9723 states and 12425 transitions. Word has length 436 [2023-04-03 07:33:02,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:02,345 INFO L495 AbstractCegarLoop]: Abstraction has 9723 states and 12425 transitions. [2023-04-03 07:33:02,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (66), 3 states have call predecessors, (66), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2023-04-03 07:33:02,345 INFO L276 IsEmpty]: Start isEmpty. Operand 9723 states and 12425 transitions. [2023-04-03 07:33:02,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-04-03 07:33:02,353 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:02,353 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 9, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:02,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 07:33:02,354 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:02,354 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:02,354 INFO L85 PathProgramCache]: Analyzing trace with hash 273884089, now seen corresponding path program 1 times [2023-04-03 07:33:02,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:02,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422627308] [2023-04-03 07:33:02,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:02,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3107 trivial. 0 not checked. [2023-04-03 07:33:02,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:02,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422627308] [2023-04-03 07:33:02,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422627308] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:02,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:02,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:02,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917933066] [2023-04-03 07:33:02,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:02,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:02,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:02,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:02,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:02,959 INFO L87 Difference]: Start difference. First operand 9723 states and 12425 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-03 07:33:04,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:04,593 INFO L93 Difference]: Finished difference Result 9729 states and 12430 transitions. [2023-04-03 07:33:04,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:04,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 414 [2023-04-03 07:33:04,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:04,641 INFO L225 Difference]: With dead ends: 9729 [2023-04-03 07:33:04,641 INFO L226 Difference]: Without dead ends: 9727 [2023-04-03 07:33:04,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:04,650 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3209 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3215 SdHoareTripleChecker+Valid, 8385 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:04,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3215 Valid, 8385 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:33:04,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9727 states. [2023-04-03 07:33:05,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9727 to 9727. [2023-04-03 07:33:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9727 states, 5558 states have (on average 1.254228139618568) internal successors, (6971), 5783 states have internal predecessors, (6971), 2701 states have call successors, (2701), 1480 states have call predecessors, (2701), 1465 states have return successors, (2756), 2615 states have call predecessors, (2756), 2696 states have call successors, (2756) [2023-04-03 07:33:05,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9727 states to 9727 states and 12428 transitions. [2023-04-03 07:33:05,356 INFO L78 Accepts]: Start accepts. Automaton has 9727 states and 12428 transitions. Word has length 414 [2023-04-03 07:33:05,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:05,357 INFO L495 AbstractCegarLoop]: Abstraction has 9727 states and 12428 transitions. [2023-04-03 07:33:05,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-03 07:33:05,357 INFO L276 IsEmpty]: Start isEmpty. Operand 9727 states and 12428 transitions. [2023-04-03 07:33:05,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2023-04-03 07:33:05,365 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:05,366 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 10, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:05,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 07:33:05,366 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:05,366 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:05,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1518030702, now seen corresponding path program 1 times [2023-04-03 07:33:05,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:05,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113698784] [2023-04-03 07:33:05,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:05,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3166 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3139 trivial. 0 not checked. [2023-04-03 07:33:05,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:05,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113698784] [2023-04-03 07:33:05,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113698784] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:05,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:05,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:05,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168035455] [2023-04-03 07:33:05,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:05,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:05,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:05,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:05,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:05,995 INFO L87 Difference]: Start difference. First operand 9727 states and 12428 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (59), 3 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-04-03 07:33:07,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:07,667 INFO L93 Difference]: Finished difference Result 9733 states and 12433 transitions. [2023-04-03 07:33:07,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:07,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (59), 3 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 419 [2023-04-03 07:33:07,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:07,699 INFO L225 Difference]: With dead ends: 9733 [2023-04-03 07:33:07,699 INFO L226 Difference]: Without dead ends: 9731 [2023-04-03 07:33:07,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:07,705 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3209 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3214 SdHoareTripleChecker+Valid, 8385 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:07,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3214 Valid, 8385 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:33:07,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9731 states. [2023-04-03 07:33:08,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9731 to 9731. [2023-04-03 07:33:08,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9731 states, 5561 states have (on average 1.2540909908289877) internal successors, (6974), 5786 states have internal predecessors, (6974), 2701 states have call successors, (2701), 1481 states have call predecessors, (2701), 1466 states have return successors, (2756), 2615 states have call predecessors, (2756), 2696 states have call successors, (2756) [2023-04-03 07:33:08,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9731 states to 9731 states and 12431 transitions. [2023-04-03 07:33:08,246 INFO L78 Accepts]: Start accepts. Automaton has 9731 states and 12431 transitions. Word has length 419 [2023-04-03 07:33:08,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:08,246 INFO L495 AbstractCegarLoop]: Abstraction has 9731 states and 12431 transitions. [2023-04-03 07:33:08,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (59), 3 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-04-03 07:33:08,246 INFO L276 IsEmpty]: Start isEmpty. Operand 9731 states and 12431 transitions. [2023-04-03 07:33:08,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2023-04-03 07:33:08,255 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:08,255 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 11, 10, 10, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:08,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 07:33:08,255 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:08,256 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:08,256 INFO L85 PathProgramCache]: Analyzing trace with hash 864332371, now seen corresponding path program 1 times [2023-04-03 07:33:08,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:08,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053036229] [2023-04-03 07:33:08,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:08,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3207 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3184 trivial. 0 not checked. [2023-04-03 07:33:08,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:08,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053036229] [2023-04-03 07:33:08,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053036229] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:08,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:08,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:08,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783080209] [2023-04-03 07:33:08,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:08,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:08,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:08,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:08,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:08,829 INFO L87 Difference]: Start difference. First operand 9731 states and 12431 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (69), 3 states have call predecessors, (69), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2023-04-03 07:33:10,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:10,708 INFO L93 Difference]: Finished difference Result 9737 states and 12436 transitions. [2023-04-03 07:33:10,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:10,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (69), 3 states have call predecessors, (69), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 452 [2023-04-03 07:33:10,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:10,738 INFO L225 Difference]: With dead ends: 9737 [2023-04-03 07:33:10,738 INFO L226 Difference]: Without dead ends: 9735 [2023-04-03 07:33:10,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:10,744 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3214 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 8385 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:10,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3218 Valid, 8385 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-03 07:33:10,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9735 states. [2023-04-03 07:33:11,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9735 to 9735. [2023-04-03 07:33:11,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9735 states, 5564 states have (on average 1.2539539899352983) internal successors, (6977), 5789 states have internal predecessors, (6977), 2701 states have call successors, (2701), 1482 states have call predecessors, (2701), 1467 states have return successors, (2756), 2615 states have call predecessors, (2756), 2696 states have call successors, (2756) [2023-04-03 07:33:11,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9735 states to 9735 states and 12434 transitions. [2023-04-03 07:33:11,393 INFO L78 Accepts]: Start accepts. Automaton has 9735 states and 12434 transitions. Word has length 452 [2023-04-03 07:33:11,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:11,393 INFO L495 AbstractCegarLoop]: Abstraction has 9735 states and 12434 transitions. [2023-04-03 07:33:11,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (69), 3 states have call predecessors, (69), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2023-04-03 07:33:11,394 INFO L276 IsEmpty]: Start isEmpty. Operand 9735 states and 12434 transitions. [2023-04-03 07:33:11,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2023-04-03 07:33:11,404 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:11,404 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 12, 11, 11, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:11,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 07:33:11,404 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:11,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:11,405 INFO L85 PathProgramCache]: Analyzing trace with hash -572198107, now seen corresponding path program 1 times [2023-04-03 07:33:11,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:11,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354806485] [2023-04-03 07:33:11,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:11,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3224 trivial. 0 not checked. [2023-04-03 07:33:11,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:11,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354806485] [2023-04-03 07:33:11,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354806485] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:11,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:11,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:11,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104637901] [2023-04-03 07:33:11,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:11,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:11,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:11,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:11,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:11,981 INFO L87 Difference]: Start difference. First operand 9735 states and 12434 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (70), 3 states have call predecessors, (70), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2023-04-03 07:33:13,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:13,534 INFO L93 Difference]: Finished difference Result 9741 states and 12439 transitions. [2023-04-03 07:33:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:13,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (70), 3 states have call predecessors, (70), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 456 [2023-04-03 07:33:13,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:13,561 INFO L225 Difference]: With dead ends: 9741 [2023-04-03 07:33:13,561 INFO L226 Difference]: Without dead ends: 9739 [2023-04-03 07:33:13,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:13,567 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3215 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 8385 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:13,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3218 Valid, 8385 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 07:33:13,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9739 states. [2023-04-03 07:33:14,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9739 to 9739. [2023-04-03 07:33:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9739 states, 5567 states have (on average 1.2538171366984012) internal successors, (6980), 5792 states have internal predecessors, (6980), 2701 states have call successors, (2701), 1483 states have call predecessors, (2701), 1468 states have return successors, (2756), 2615 states have call predecessors, (2756), 2696 states have call successors, (2756) [2023-04-03 07:33:14,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9739 states to 9739 states and 12437 transitions. [2023-04-03 07:33:14,185 INFO L78 Accepts]: Start accepts. Automaton has 9739 states and 12437 transitions. Word has length 456 [2023-04-03 07:33:14,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:14,185 INFO L495 AbstractCegarLoop]: Abstraction has 9739 states and 12437 transitions. [2023-04-03 07:33:14,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (70), 3 states have call predecessors, (70), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2023-04-03 07:33:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 9739 states and 12437 transitions. [2023-04-03 07:33:14,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2023-04-03 07:33:14,196 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:14,196 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 13, 12, 12, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:14,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 07:33:14,196 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:14,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:14,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1398115010, now seen corresponding path program 1 times [2023-04-03 07:33:14,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:14,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799967707] [2023-04-03 07:33:14,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:14,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3294 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3268 trivial. 0 not checked. [2023-04-03 07:33:14,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:14,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799967707] [2023-04-03 07:33:14,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799967707] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:14,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:14,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:14,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027989620] [2023-04-03 07:33:14,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:14,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:14,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:14,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:14,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:14,749 INFO L87 Difference]: Start difference. First operand 9739 states and 12437 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (71), 3 states have call predecessors, (71), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-04-03 07:33:16,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:16,497 INFO L93 Difference]: Finished difference Result 9745 states and 12442 transitions. [2023-04-03 07:33:16,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:16,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (71), 3 states have call predecessors, (71), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 461 [2023-04-03 07:33:16,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:16,524 INFO L225 Difference]: With dead ends: 9745 [2023-04-03 07:33:16,524 INFO L226 Difference]: Without dead ends: 9743 [2023-04-03 07:33:16,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:16,530 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3215 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3217 SdHoareTripleChecker+Valid, 8385 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:16,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3217 Valid, 8385 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:33:16,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9743 states. [2023-04-03 07:33:17,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9743 to 9743. [2023-04-03 07:33:17,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9743 states, 5570 states have (on average 1.2536804308797127) internal successors, (6983), 5795 states have internal predecessors, (6983), 2701 states have call successors, (2701), 1484 states have call predecessors, (2701), 1469 states have return successors, (2756), 2615 states have call predecessors, (2756), 2696 states have call successors, (2756) [2023-04-03 07:33:17,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9743 states to 9743 states and 12440 transitions. [2023-04-03 07:33:17,101 INFO L78 Accepts]: Start accepts. Automaton has 9743 states and 12440 transitions. Word has length 461 [2023-04-03 07:33:17,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:17,101 INFO L495 AbstractCegarLoop]: Abstraction has 9743 states and 12440 transitions. [2023-04-03 07:33:17,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (71), 3 states have call predecessors, (71), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-04-03 07:33:17,102 INFO L276 IsEmpty]: Start isEmpty. Operand 9743 states and 12440 transitions. [2023-04-03 07:33:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2023-04-03 07:33:17,112 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:17,112 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 14, 13, 13, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:17,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 07:33:17,112 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:17,113 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:17,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1236376500, now seen corresponding path program 1 times [2023-04-03 07:33:17,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:17,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178601660] [2023-04-03 07:33:17,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:17,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3345 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3316 trivial. 0 not checked. [2023-04-03 07:33:17,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:17,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178601660] [2023-04-03 07:33:17,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178601660] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:17,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:17,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:17,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251056772] [2023-04-03 07:33:17,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:17,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:17,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:17,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:17,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:17,729 INFO L87 Difference]: Start difference. First operand 9743 states and 12440 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2023-04-03 07:33:19,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:19,369 INFO L93 Difference]: Finished difference Result 9749 states and 12445 transitions. [2023-04-03 07:33:19,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:19,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 467 [2023-04-03 07:33:19,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:19,406 INFO L225 Difference]: With dead ends: 9749 [2023-04-03 07:33:19,406 INFO L226 Difference]: Without dead ends: 9745 [2023-04-03 07:33:19,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:19,414 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3214 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3215 SdHoareTripleChecker+Valid, 8385 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:19,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3215 Valid, 8385 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:33:19,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9745 states. [2023-04-03 07:33:20,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9745 to 9745. [2023-04-03 07:33:20,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9745 states, 5572 states have (on average 1.2534099066762383) internal successors, (6984), 5796 states have internal predecessors, (6984), 2701 states have call successors, (2701), 1485 states have call predecessors, (2701), 1469 states have return successors, (2756), 2615 states have call predecessors, (2756), 2696 states have call successors, (2756) [2023-04-03 07:33:20,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9745 states to 9745 states and 12441 transitions. [2023-04-03 07:33:20,086 INFO L78 Accepts]: Start accepts. Automaton has 9745 states and 12441 transitions. Word has length 467 [2023-04-03 07:33:20,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:20,086 INFO L495 AbstractCegarLoop]: Abstraction has 9745 states and 12441 transitions. [2023-04-03 07:33:20,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2023-04-03 07:33:20,087 INFO L276 IsEmpty]: Start isEmpty. Operand 9745 states and 12441 transitions. [2023-04-03 07:33:20,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2023-04-03 07:33:20,099 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:20,099 INFO L195 NwaCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:20,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-03 07:33:20,099 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:20,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:20,100 INFO L85 PathProgramCache]: Analyzing trace with hash -880574849, now seen corresponding path program 1 times [2023-04-03 07:33:20,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:20,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180607787] [2023-04-03 07:33:20,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:20,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3073 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3070 trivial. 0 not checked. [2023-04-03 07:33:20,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:20,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180607787] [2023-04-03 07:33:20,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180607787] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:20,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:20,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:33:20,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56313258] [2023-04-03 07:33:20,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:20,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:33:20,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:20,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:33:20,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:33:20,752 INFO L87 Difference]: Start difference. First operand 9745 states and 12441 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (71), 3 states have call predecessors, (71), 2 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2023-04-03 07:33:22,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:22,881 INFO L93 Difference]: Finished difference Result 19792 states and 25258 transitions. [2023-04-03 07:33:22,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:33:22,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (71), 3 states have call predecessors, (71), 2 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 447 [2023-04-03 07:33:22,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:22,923 INFO L225 Difference]: With dead ends: 19792 [2023-04-03 07:33:22,923 INFO L226 Difference]: Without dead ends: 12249 [2023-04-03 07:33:22,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:33:22,960 INFO L413 NwaCegarLoop]: 4106 mSDtfsCounter, 1508 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 6840 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:22,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 6840 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 07:33:22,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12249 states. [2023-04-03 07:33:24,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12249 to 12153. [2023-04-03 07:33:24,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12153 states, 6947 states have (on average 1.2537786094717145) internal successors, (8710), 7227 states have internal predecessors, (8710), 3362 states have call successors, (3362), 1867 states have call predecessors, (3362), 1841 states have return successors, (3435), 3243 states have call predecessors, (3435), 3357 states have call successors, (3435) [2023-04-03 07:33:24,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12153 states to 12153 states and 15507 transitions. [2023-04-03 07:33:24,051 INFO L78 Accepts]: Start accepts. Automaton has 12153 states and 15507 transitions. Word has length 447 [2023-04-03 07:33:24,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:24,051 INFO L495 AbstractCegarLoop]: Abstraction has 12153 states and 15507 transitions. [2023-04-03 07:33:24,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (71), 3 states have call predecessors, (71), 2 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2023-04-03 07:33:24,052 INFO L276 IsEmpty]: Start isEmpty. Operand 12153 states and 15507 transitions. [2023-04-03 07:33:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2023-04-03 07:33:24,060 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:24,061 INFO L195 NwaCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 15, 14, 14, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:24,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-03 07:33:24,061 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:24,061 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:24,062 INFO L85 PathProgramCache]: Analyzing trace with hash 738956386, now seen corresponding path program 1 times [2023-04-03 07:33:24,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:24,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420781510] [2023-04-03 07:33:24,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:24,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:24,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3398 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 3368 trivial. 0 not checked. [2023-04-03 07:33:24,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:24,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420781510] [2023-04-03 07:33:24,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420781510] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:24,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:24,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:24,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398453136] [2023-04-03 07:33:24,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:24,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:24,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:24,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:24,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:24,683 INFO L87 Difference]: Start difference. First operand 12153 states and 15507 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (73), 3 states have call predecessors, (73), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2023-04-03 07:33:26,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:26,674 INFO L93 Difference]: Finished difference Result 12153 states and 15507 transitions. [2023-04-03 07:33:26,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:26,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (73), 3 states have call predecessors, (73), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 471 [2023-04-03 07:33:26,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:26,712 INFO L225 Difference]: With dead ends: 12153 [2023-04-03 07:33:26,713 INFO L226 Difference]: Without dead ends: 11941 [2023-04-03 07:33:26,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:26,724 INFO L413 NwaCegarLoop]: 2800 mSDtfsCounter, 3211 mSDsluCounter, 5582 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3211 SdHoareTripleChecker+Valid, 8382 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:26,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3211 Valid, 8382 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:33:26,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11941 states. [2023-04-03 07:33:27,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11941 to 11941. [2023-04-03 07:33:27,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11941 states, 6854 states have (on average 1.254595856434199) internal successors, (8599), 7116 states have internal predecessors, (8599), 3278 states have call successors, (3278), 1815 states have call predecessors, (3278), 1807 states have return successors, (3355), 3194 states have call predecessors, (3355), 3277 states have call successors, (3355) [2023-04-03 07:33:27,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11941 states to 11941 states and 15232 transitions. [2023-04-03 07:33:27,666 INFO L78 Accepts]: Start accepts. Automaton has 11941 states and 15232 transitions. Word has length 471 [2023-04-03 07:33:27,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:27,667 INFO L495 AbstractCegarLoop]: Abstraction has 11941 states and 15232 transitions. [2023-04-03 07:33:27,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (73), 3 states have call predecessors, (73), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2023-04-03 07:33:27,667 INFO L276 IsEmpty]: Start isEmpty. Operand 11941 states and 15232 transitions. [2023-04-03 07:33:27,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2023-04-03 07:33:27,676 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:27,677 INFO L195 NwaCegarLoop]: trace histogram [29, 28, 28, 28, 28, 28, 28, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:27,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-04-03 07:33:27,677 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:27,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:27,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1017593927, now seen corresponding path program 1 times [2023-04-03 07:33:27,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:27,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086708578] [2023-04-03 07:33:27,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:27,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3119 trivial. 0 not checked. [2023-04-03 07:33:28,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:28,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086708578] [2023-04-03 07:33:28,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086708578] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:28,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:28,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:33:28,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522379765] [2023-04-03 07:33:28,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:28,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:33:28,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:28,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:33:28,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:33:28,288 INFO L87 Difference]: Start difference. First operand 11941 states and 15232 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2023-04-03 07:33:30,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:30,991 INFO L93 Difference]: Finished difference Result 28605 states and 36540 transitions. [2023-04-03 07:33:30,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:33:30,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) Word has length 508 [2023-04-03 07:33:30,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:31,042 INFO L225 Difference]: With dead ends: 28605 [2023-04-03 07:33:31,042 INFO L226 Difference]: Without dead ends: 16732 [2023-04-03 07:33:31,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:33:31,075 INFO L413 NwaCegarLoop]: 3380 mSDtfsCounter, 2931 mSDsluCounter, 2694 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2931 SdHoareTripleChecker+Valid, 6074 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:31,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2931 Valid, 6074 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 07:33:31,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16732 states. [2023-04-03 07:33:32,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16732 to 16692. [2023-04-03 07:33:32,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16692 states, 9575 states have (on average 1.252845953002611) internal successors, (11996), 9965 states have internal predecessors, (11996), 4564 states have call successors, (4564), 2563 states have call predecessors, (4564), 2551 states have return successors, (4700), 4418 states have call predecessors, (4700), 4563 states have call successors, (4700) [2023-04-03 07:33:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16692 states to 16692 states and 21260 transitions. [2023-04-03 07:33:32,363 INFO L78 Accepts]: Start accepts. Automaton has 16692 states and 21260 transitions. Word has length 508 [2023-04-03 07:33:32,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:32,364 INFO L495 AbstractCegarLoop]: Abstraction has 16692 states and 21260 transitions. [2023-04-03 07:33:32,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2023-04-03 07:33:32,364 INFO L276 IsEmpty]: Start isEmpty. Operand 16692 states and 21260 transitions. [2023-04-03 07:33:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2023-04-03 07:33:32,375 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:32,375 INFO L195 NwaCegarLoop]: trace histogram [36, 27, 27, 27, 27, 27, 27, 15, 15, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:32,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-04-03 07:33:32,376 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:32,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:32,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1945591130, now seen corresponding path program 1 times [2023-04-03 07:33:32,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:32,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714314620] [2023-04-03 07:33:32,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:32,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3824 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3821 trivial. 0 not checked. [2023-04-03 07:33:34,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:34,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714314620] [2023-04-03 07:33:34,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714314620] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 07:33:34,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703764551] [2023-04-03 07:33:34,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:34,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:33:34,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:33:34,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 07:33:34,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 07:33:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:36,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 6606 conjuncts, 51 conjunts are in the unsatisfiable core [2023-04-03 07:33:36,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 07:33:37,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3824 backedges. 28 proven. 280 refuted. 0 times theorem prover too weak. 3516 trivial. 0 not checked. [2023-04-03 07:33:37,106 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 07:33:38,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3824 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3820 trivial. 0 not checked. [2023-04-03 07:33:38,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703764551] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-03 07:33:38,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-03 07:33:38,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 7] total 11 [2023-04-03 07:33:38,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468077599] [2023-04-03 07:33:38,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:38,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 07:33:38,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:38,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 07:33:38,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-04-03 07:33:38,136 INFO L87 Difference]: Start difference. First operand 16692 states and 21260 transitions. Second operand has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (81), 4 states have call predecessors, (81), 3 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2023-04-03 07:33:40,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:40,996 INFO L93 Difference]: Finished difference Result 16692 states and 21260 transitions. [2023-04-03 07:33:40,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:40,996 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (81), 4 states have call predecessors, (81), 3 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) Word has length 608 [2023-04-03 07:33:40,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:41,042 INFO L225 Difference]: With dead ends: 16692 [2023-04-03 07:33:41,042 INFO L226 Difference]: Without dead ends: 16690 [2023-04-03 07:33:41,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1233 GetRequests, 1222 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-04-03 07:33:41,051 INFO L413 NwaCegarLoop]: 2650 mSDtfsCounter, 3145 mSDsluCounter, 5402 mSDsCounter, 0 mSdLazyCounter, 2199 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3200 SdHoareTripleChecker+Valid, 8052 SdHoareTripleChecker+Invalid, 2219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:41,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3200 Valid, 8052 Invalid, 2219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2199 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 07:33:41,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16690 states. [2023-04-03 07:33:42,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16690 to 16690. [2023-04-03 07:33:42,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16690 states, 9574 states have (on average 1.2518278671401712) internal successors, (11985), 9963 states have internal predecessors, (11985), 4564 states have call successors, (4564), 2563 states have call predecessors, (4564), 2551 states have return successors, (4700), 4418 states have call predecessors, (4700), 4563 states have call successors, (4700) [2023-04-03 07:33:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16690 states to 16690 states and 21249 transitions. [2023-04-03 07:33:42,322 INFO L78 Accepts]: Start accepts. Automaton has 16690 states and 21249 transitions. Word has length 608 [2023-04-03 07:33:42,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:42,323 INFO L495 AbstractCegarLoop]: Abstraction has 16690 states and 21249 transitions. [2023-04-03 07:33:42,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (81), 4 states have call predecessors, (81), 3 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2023-04-03 07:33:42,323 INFO L276 IsEmpty]: Start isEmpty. Operand 16690 states and 21249 transitions. [2023-04-03 07:33:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2023-04-03 07:33:42,341 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:42,341 INFO L195 NwaCegarLoop]: trace histogram [36, 27, 27, 27, 27, 27, 27, 16, 16, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:42,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 07:33:42,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-04-03 07:33:42,549 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:42,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:42,550 INFO L85 PathProgramCache]: Analyzing trace with hash -907291429, now seen corresponding path program 1 times [2023-04-03 07:33:42,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:42,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783765594] [2023-04-03 07:33:42,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:42,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3869 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3869 trivial. 0 not checked. [2023-04-03 07:33:43,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:43,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783765594] [2023-04-03 07:33:43,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783765594] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:43,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:43,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:33:43,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40264869] [2023-04-03 07:33:43,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:43,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:33:43,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:43,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:33:43,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:33:43,064 INFO L87 Difference]: Start difference. First operand 16690 states and 21249 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (77), 1 states have call predecessors, (77), 1 states have call successors, (77) [2023-04-03 07:33:45,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:45,247 INFO L93 Difference]: Finished difference Result 33084 states and 42176 transitions. [2023-04-03 07:33:45,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:33:45,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (77), 1 states have call predecessors, (77), 1 states have call successors, (77) Word has length 633 [2023-04-03 07:33:45,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:45,295 INFO L225 Difference]: With dead ends: 33084 [2023-04-03 07:33:45,295 INFO L226 Difference]: Without dead ends: 16710 [2023-04-03 07:33:45,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:33:45,330 INFO L413 NwaCegarLoop]: 2723 mSDtfsCounter, 5 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5443 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:45,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 5443 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 07:33:45,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16710 states. [2023-04-03 07:33:46,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16710 to 16694. [2023-04-03 07:33:46,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16694 states, 9578 states have (on average 1.2517226978492377) internal successors, (11989), 9967 states have internal predecessors, (11989), 4564 states have call successors, (4564), 2563 states have call predecessors, (4564), 2551 states have return successors, (4700), 4418 states have call predecessors, (4700), 4563 states have call successors, (4700) [2023-04-03 07:33:46,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16694 states to 16694 states and 21253 transitions. [2023-04-03 07:33:46,578 INFO L78 Accepts]: Start accepts. Automaton has 16694 states and 21253 transitions. Word has length 633 [2023-04-03 07:33:46,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:46,579 INFO L495 AbstractCegarLoop]: Abstraction has 16694 states and 21253 transitions. [2023-04-03 07:33:46,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (77), 1 states have call predecessors, (77), 1 states have call successors, (77) [2023-04-03 07:33:46,579 INFO L276 IsEmpty]: Start isEmpty. Operand 16694 states and 21253 transitions. [2023-04-03 07:33:46,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2023-04-03 07:33:46,590 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:46,590 INFO L195 NwaCegarLoop]: trace histogram [34, 27, 27, 27, 27, 27, 27, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:46,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-04-03 07:33:46,590 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:46,591 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:46,591 INFO L85 PathProgramCache]: Analyzing trace with hash 513613787, now seen corresponding path program 1 times [2023-04-03 07:33:46,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:46,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504792367] [2023-04-03 07:33:46,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:46,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3574 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2023-04-03 07:33:47,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:47,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504792367] [2023-04-03 07:33:47,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504792367] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 07:33:47,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544564689] [2023-04-03 07:33:47,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:47,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:33:47,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:33:47,077 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 07:33:47,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 07:33:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:48,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 6429 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 07:33:48,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 07:33:48,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3574 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2023-04-03 07:33:48,657 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 07:33:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3574 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2023-04-03 07:33:49,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544564689] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 07:33:49,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [628171936] [2023-04-03 07:33:49,629 INFO L159 IcfgInterpreter]: Started Sifa with 266 locations of interest [2023-04-03 07:33:49,629 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 07:33:49,636 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 07:33:49,642 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 07:33:49,643 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 07:34:29,426 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 625 for LOIs [2023-04-03 07:34:44,659 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 660 for LOIs