/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-ethernet-dlink-dl2k.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 07:25:23,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 07:25:23,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 07:25:23,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 07:25:23,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 07:25:23,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 07:25:23,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 07:25:23,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 07:25:23,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 07:25:23,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 07:25:23,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 07:25:23,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 07:25:23,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 07:25:23,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 07:25:23,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 07:25:23,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 07:25:23,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 07:25:23,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 07:25:23,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 07:25:23,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 07:25:23,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 07:25:23,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 07:25:23,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 07:25:23,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 07:25:23,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 07:25:23,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 07:25:23,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 07:25:23,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 07:25:23,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 07:25:23,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 07:25:23,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 07:25:23,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 07:25:23,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 07:25:23,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 07:25:23,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 07:25:23,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 07:25:23,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 07:25:23,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 07:25:23,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 07:25:23,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 07:25:23,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 07:25:23,279 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 07:25:23,305 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 07:25:23,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 07:25:23,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 07:25:23,306 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 07:25:23,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 07:25:23,307 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 07:25:23,307 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 07:25:23,307 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 07:25:23,307 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 07:25:23,307 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 07:25:23,308 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 07:25:23,308 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 07:25:23,308 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 07:25:23,308 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 07:25:23,308 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 07:25:23,308 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 07:25:23,308 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 07:25:23,308 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 07:25:23,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 07:25:23,309 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 07:25:23,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 07:25:23,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 07:25:23,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 07:25:23,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 07:25:23,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 07:25:23,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 07:25:23,310 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 07:25:23,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 07:25:23,310 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 07:25:23,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 07:25:23,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 07:25:23,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 07:25:23,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:25:23,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 07:25:23,310 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 07:25:23,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 07:25:23,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 07:25:23,311 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 07:25:23,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 07:25:23,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 07:25:23,311 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 07:25:23,311 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 07:25:23,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 07:25:23,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 07:25:23,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 07:25:23,542 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 07:25:23,542 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 07:25:23,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2023-04-03 07:25:24,565 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 07:25:25,001 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 07:25:25,001 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-ethernet-dlink-dl2k.cil.i [2023-04-03 07:25:25,044 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1a46c1f4/4e15b343fcb140a09cd5b8d1384cb2d3/FLAGd6be08de6 [2023-04-03 07:25:25,056 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1a46c1f4/4e15b343fcb140a09cd5b8d1384cb2d3 [2023-04-03 07:25:25,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 07:25:25,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 07:25:25,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 07:25:25,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 07:25:25,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 07:25:25,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:25:25" (1/1) ... [2023-04-03 07:25:25,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368b54d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:25, skipping insertion in model container [2023-04-03 07:25:25,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:25:25" (1/1) ... [2023-04-03 07:25:25,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 07:25:25,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 07:25:26,748 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-ethernet-dlink-dl2k.cil.i[330704,330717] [2023-04-03 07:25:26,752 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-ethernet-dlink-dl2k.cil.i[330873,330886] [2023-04-03 07:25:26,752 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-ethernet-dlink-dl2k.cil.i[331040,331053] [2023-04-03 07:25:26,752 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-ethernet-dlink-dl2k.cil.i[331208,331221] [2023-04-03 07:25:26,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:25:26,801 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 07:25:27,023 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-ethernet-dlink-dl2k.cil.i[330704,330717] [2023-04-03 07:25:27,023 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-ethernet-dlink-dl2k.cil.i[330873,330886] [2023-04-03 07:25:27,024 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-ethernet-dlink-dl2k.cil.i[331040,331053] [2023-04-03 07:25:27,024 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-ethernet-dlink-dl2k.cil.i[331208,331221] [2023-04-03 07:25:27,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:25:27,182 INFO L208 MainTranslator]: Completed translation [2023-04-03 07:25:27,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:27 WrapperNode [2023-04-03 07:25:27,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 07:25:27,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 07:25:27,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 07:25:27,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 07:25:27,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:27" (1/1) ... [2023-04-03 07:25:27,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:27" (1/1) ... [2023-04-03 07:25:27,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:27" (1/1) ... [2023-04-03 07:25:27,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:27" (1/1) ... [2023-04-03 07:25:27,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:27" (1/1) ... [2023-04-03 07:25:27,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:27" (1/1) ... [2023-04-03 07:25:27,428 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:27" (1/1) ... [2023-04-03 07:25:27,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:27" (1/1) ... [2023-04-03 07:25:27,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 07:25:27,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 07:25:27,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 07:25:27,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 07:25:27,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:27" (1/1) ... [2023-04-03 07:25:27,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:25:27,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:25:27,506 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 07:25:27,528 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 07:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 07:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 07:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 07:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 07:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 07:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-03 07:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 07:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 07:25:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 07:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-03 07:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 07:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 07:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 07:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-04-03 07:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2023-04-03 07:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-03 07:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:25:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 07:25:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 07:25:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2023-04-03 07:25:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-04-03 07:25:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-04-03 07:25:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-04-03 07:25:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-04-03 07:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 07:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 07:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 07:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 07:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 07:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 07:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 07:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 07:25:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-03 07:25:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-03 07:25:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-03 07:25:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-03 07:25:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-03 07:25:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure dl2k_enable_int [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_probe1 [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure find_miiphy [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_eeprom [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_open [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_timer [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_tx_timeout [2023-04-03 07:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_list [2023-04-03 07:25:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure start_xmit [2023-04-03 07:25:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_interrupt [2023-04-03 07:25:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_to_dma [2023-04-03 07:25:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_free_tx [2023-04-03 07:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_error [2023-04-03 07:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_packet [2023-04-03 07:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_error [2023-04-03 07:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2023-04-03 07:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_stats [2023-04-03 07:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure change_mtu [2023-04-03 07:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast [2023-04-03 07:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_drvinfo [2023-04-03 07:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_settings [2023-04-03 07:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_set_settings [2023-04-03 07:25:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_link [2023-04-03 07:25:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_ioctl [2023-04-03 07:25:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-04-03 07:25:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_sendbit [2023-04-03 07:25:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2023-04-03 07:25:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2023-04-03 07:25:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_read [2023-04-03 07:25:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_write [2023-04-03 07:25:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wait_link [2023-04-03 07:25:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_get_media [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_set_media [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_get_media_pcs [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_set_media_pcs [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_close [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_remove1 [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_driver_init [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_driver_exit [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rio_driver_exit_14_2 [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_rio_driver_init_14_9 [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:25:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:25:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_21 [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:25:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:25:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_3 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_4 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:25:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_60 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_61 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_62 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_63 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_64 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_66 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_67 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_68 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_70 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_71 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_72 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_73 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_74 [2023-04-03 07:25:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_75 [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_76 [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_77 [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 07:25:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 07:25:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 07:25:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 07:25:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 07:25:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 07:25:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 07:25:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 07:25:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 07:25:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 07:25:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 07:25:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 07:25:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 07:25:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 07:25:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 07:25:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 07:25:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 07:25:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 07:25:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 07:25:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:25:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:25:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:25:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:25:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:25:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:25:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:25:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:25:27,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:25:27,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:25:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:25:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:25:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:25:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:25:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:25:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:25:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 07:25:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 07:25:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:25:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:25:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:25:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:25:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:25:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:25:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:25:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:25:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:25:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:25:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:25:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:25:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netdev_private [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netdev_private [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_rx_lock_of_netdev_private [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_rx_lock_of_netdev_private [2023-04-03 07:25:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_rx_lock_of_netdev_private [2023-04-03 07:25:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_rx_lock_of_netdev_private [2023-04-03 07:25:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_rx_lock_of_netdev_private [2023-04-03 07:25:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_rx_lock_of_netdev_private [2023-04-03 07:25:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:25:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:25:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:25:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:25:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:25:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:25:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:25:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:25:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:25:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:25:27,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:25:27,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:25:27,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:25:27,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netdev_private [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netdev_private [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_lock_of_netdev_private [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_lock_of_netdev_private [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_lock_of_netdev_private [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_lock_of_netdev_private [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_lock_of_netdev_private [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_lock_of_netdev_private [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:25:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-03 07:25:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-04-03 07:25:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-04-03 07:25:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-04-03 07:25:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 07:25:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 07:25:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 07:25:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 07:25:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 07:25:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 07:25:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 07:25:27,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 07:25:27,642 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-04-03 07:25:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-04-03 07:25:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 07:25:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 07:25:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 07:25:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 07:25:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-04-03 07:25:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-04-03 07:25:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 07:25:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 07:25:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 07:25:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 07:25:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 07:25:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 07:25:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 07:25:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 07:25:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 07:25:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 07:25:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 07:25:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 07:25:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 07:25:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 07:25:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 07:25:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 07:25:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 07:25:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 07:25:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 07:25:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_64 [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_67 [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netdev_private [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netdev_private [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netdev_private [2023-04-03 07:25:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netdev_private [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:25:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_66 [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_70 [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_68 [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_71 [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_73 [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-04-03 07:25:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2023-04-03 07:25:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 07:25:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_62 [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_75 [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 07:25:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_61 [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_74 [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 07:25:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_76 [2023-04-03 07:25:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 07:25:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_77 [2023-04-03 07:25:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-03 07:25:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-03 07:25:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-03 07:25:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-03 07:25:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-04-03 07:25:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-04-03 07:25:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 07:25:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 07:25:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 07:25:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_63 [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_72 [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_60 [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure dl2k_enable_int [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure rio_open [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure rio_timer [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure rio_tx_timeout [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_list [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure start_xmit [2023-04-03 07:25:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure rio_interrupt [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure rio_free_tx [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure tx_error [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure receive_packet [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure rio_error [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure change_mtu [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure clear_stats [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure rio_ioctl [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure rio_close [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure find_miiphy [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure parse_eeprom [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wait_link [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure mii_set_media [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure mii_get_media [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure mii_set_media_pcs [2023-04-03 07:25:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure mii_get_media_pcs [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure mii_read [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure mii_write [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure rio_probe1 [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure desc_to_dma [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_drvinfo [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_settings [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure rio_set_settings [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_link [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure mii_sendbit [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure rio_remove1 [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure rio_driver_init [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure rio_driver_exit [2023-04-03 07:25:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rio_driver_exit_14_2 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_rio_driver_init_14_9 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:25:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_21 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:25:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:25:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_3 [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_4 [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 07:25:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 07:25:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:25:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:25:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:25:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_rx_lock_of_netdev_private [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_rx_lock_of_netdev_private [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_rx_lock_of_netdev_private [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_rx_lock_of_netdev_private [2023-04-03 07:25:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_rx_lock_of_netdev_private [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_rx_lock_of_netdev_private [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_lock_of_netdev_private [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_lock_of_netdev_private [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_lock_of_netdev_private [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_lock_of_netdev_private [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_lock_of_netdev_private [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_lock_of_netdev_private [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 07:25:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 07:25:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 07:25:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 07:25:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 07:25:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 07:25:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 07:25:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 07:25:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 07:25:28,365 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 07:25:28,372 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 07:25:29,563 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 07:25:30,061 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 07:25:31,162 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 07:25:33,327 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 07:25:33,328 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 07:25:33,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:25:33 BoogieIcfgContainer [2023-04-03 07:25:33,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 07:25:33,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 07:25:33,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 07:25:33,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 07:25:33,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 07:25:25" (1/3) ... [2023-04-03 07:25:33,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599bb98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:25:33, skipping insertion in model container [2023-04-03 07:25:33,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:27" (2/3) ... [2023-04-03 07:25:33,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599bb98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:25:33, skipping insertion in model container [2023-04-03 07:25:33,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:25:33" (3/3) ... [2023-04-03 07:25:33,337 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2023-04-03 07:25:33,350 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 07:25:33,350 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 07:25:33,401 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 07:25:33,405 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;@6a5dbc46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 07:25:33,405 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 07:25:33,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 2476 states, 1324 states have (on average 1.190332326283988) internal successors, (1576), 1372 states have internal predecessors, (1576), 774 states have call successors, (774), 272 states have call predecessors, (774), 270 states have return successors, (767), 754 states have call predecessors, (767), 767 states have call successors, (767) [2023-04-03 07:25:33,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-04-03 07:25:33,426 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:25:33,426 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:25:33,427 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 07:25:33,430 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:25:33,430 INFO L85 PathProgramCache]: Analyzing trace with hash -483084306, now seen corresponding path program 1 times [2023-04-03 07:25:33,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:25:33,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722795780] [2023-04-03 07:25:33,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:25:33,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:25:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:25:34,165 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-04-03 07:25:34,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:25:34,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722795780] [2023-04-03 07:25:34,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722795780] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:25:34,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:25:34,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:25:34,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436033442] [2023-04-03 07:25:34,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:25:34,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:25:34,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:25:34,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:25:34,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:25:34,210 INFO L87 Difference]: Start difference. First operand has 2476 states, 1324 states have (on average 1.190332326283988) internal successors, (1576), 1372 states have internal predecessors, (1576), 774 states have call successors, (774), 272 states have call predecessors, (774), 270 states have return successors, (767), 754 states have call predecessors, (767), 767 states have call successors, (767) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 07:25:37,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:25:39,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:25:41,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:25:43,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-04-03 07:25:43,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:25:43,334 INFO L93 Difference]: Finished difference Result 6313 states and 8435 transitions. [2023-04-03 07:25:43,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:25:43,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 126 [2023-04-03 07:25:43,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:25:43,367 INFO L225 Difference]: With dead ends: 6313 [2023-04-03 07:25:43,367 INFO L226 Difference]: Without dead ends: 4153 [2023-04-03 07:25:43,381 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 07:25:43,385 INFO L413 NwaCegarLoop]: 2532 mSDtfsCounter, 2676 mSDsluCounter, 2457 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 4989 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:25:43,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2676 Valid, 4989 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 647 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2023-04-03 07:25:43,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4153 states. [2023-04-03 07:25:43,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4153 to 4149. [2023-04-03 07:25:43,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4149 states, 2288 states have (on average 1.2032342657342658) internal successors, (2753), 2373 states have internal predecessors, (2753), 1347 states have call successors, (1347), 514 states have call predecessors, (1347), 511 states have return successors, (1342), 1316 states have call predecessors, (1342), 1342 states have call successors, (1342) [2023-04-03 07:25:43,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4149 states to 4149 states and 5442 transitions. [2023-04-03 07:25:43,618 INFO L78 Accepts]: Start accepts. Automaton has 4149 states and 5442 transitions. Word has length 126 [2023-04-03 07:25:43,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:25:43,618 INFO L495 AbstractCegarLoop]: Abstraction has 4149 states and 5442 transitions. [2023-04-03 07:25:43,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 07:25:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 4149 states and 5442 transitions. [2023-04-03 07:25:43,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-03 07:25:43,622 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:25:43,622 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:25:43,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 07:25:43,623 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 07:25:43,623 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:25:43,623 INFO L85 PathProgramCache]: Analyzing trace with hash -324573347, now seen corresponding path program 1 times [2023-04-03 07:25:43,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:25:43,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363917469] [2023-04-03 07:25:43,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:25:43,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:25:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:25:43,895 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-04-03 07:25:43,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:25:43,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363917469] [2023-04-03 07:25:43,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363917469] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:25:43,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:25:43,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:25:43,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384028552] [2023-04-03 07:25:43,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:25:43,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:25:43,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:25:43,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:25:43,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:25:43,898 INFO L87 Difference]: Start difference. First operand 4149 states and 5442 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:25:47,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:25:49,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:25:51,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:25:53,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-04-03 07:25:54,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:25:54,006 INFO L93 Difference]: Finished difference Result 12161 states and 15998 transitions. [2023-04-03 07:25:54,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:25:54,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 138 [2023-04-03 07:25:54,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:25:54,050 INFO L225 Difference]: With dead ends: 12161 [2023-04-03 07:25:54,050 INFO L226 Difference]: Without dead ends: 8044 [2023-04-03 07:25:54,066 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 07:25:54,068 INFO L413 NwaCegarLoop]: 2580 mSDtfsCounter, 2716 mSDsluCounter, 2431 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2716 SdHoareTripleChecker+Valid, 5011 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:25:54,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2716 Valid, 5011 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 633 Invalid, 4 Unknown, 0 Unchecked, 9.7s Time] [2023-04-03 07:25:54,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8044 states. [2023-04-03 07:25:54,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8044 to 8002. [2023-04-03 07:25:54,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8002 states, 4430 states have (on average 1.2051918735891647) internal successors, (5339), 4601 states have internal predecessors, (5339), 2588 states have call successors, (2588), 997 states have call predecessors, (2588), 981 states have return successors, (2607), 2510 states have call predecessors, (2607), 2583 states have call successors, (2607) [2023-04-03 07:25:54,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8002 states to 8002 states and 10534 transitions. [2023-04-03 07:25:54,435 INFO L78 Accepts]: Start accepts. Automaton has 8002 states and 10534 transitions. Word has length 138 [2023-04-03 07:25:54,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:25:54,435 INFO L495 AbstractCegarLoop]: Abstraction has 8002 states and 10534 transitions. [2023-04-03 07:25:54,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:25:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 8002 states and 10534 transitions. [2023-04-03 07:25:54,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-04-03 07:25:54,442 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:25:54,443 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 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] [2023-04-03 07:25:54,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 07:25:54,443 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 07:25:54,443 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:25:54,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1199674664, now seen corresponding path program 1 times [2023-04-03 07:25:54,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:25:54,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788770231] [2023-04-03 07:25:54,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:25:54,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:25:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:25:55,095 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2023-04-03 07:25:55,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:25:55,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788770231] [2023-04-03 07:25:55,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788770231] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:25:55,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:25:55,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 07:25:55,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112482829] [2023-04-03 07:25:55,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:25:55,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 07:25:55,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:25:55,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 07:25:55,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-04-03 07:25:55,097 INFO L87 Difference]: Start difference. First operand 8002 states and 10534 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 4 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 07:26:00,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:02,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:04,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:04,756 INFO L93 Difference]: Finished difference Result 19731 states and 25956 transitions. [2023-04-03 07:26:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 07:26:04,757 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 4 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 152 [2023-04-03 07:26:04,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:04,810 INFO L225 Difference]: With dead ends: 19731 [2023-04-03 07:26:04,811 INFO L226 Difference]: Without dead ends: 11761 [2023-04-03 07:26:04,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-04-03 07:26:04,839 INFO L413 NwaCegarLoop]: 2684 mSDtfsCounter, 7232 mSDsluCounter, 4635 mSDsCounter, 0 mSdLazyCounter, 2607 mSolverCounterSat, 2870 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7237 SdHoareTripleChecker+Valid, 7319 SdHoareTripleChecker+Invalid, 5479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2870 IncrementalHoareTripleChecker+Valid, 2607 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:04,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7237 Valid, 7319 Invalid, 5479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2870 Valid, 2607 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2023-04-03 07:26:04,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11761 states. [2023-04-03 07:26:05,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11761 to 11677. [2023-04-03 07:26:05,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11677 states, 6505 states have (on average 1.2061491160645657) internal successors, (7846), 6778 states have internal predecessors, (7846), 3691 states have call successors, (3691), 1510 states have call predecessors, (3691), 1478 states have return successors, (3735), 3552 states have call predecessors, (3735), 3686 states have call successors, (3735) [2023-04-03 07:26:05,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11677 states to 11677 states and 15272 transitions. [2023-04-03 07:26:05,228 INFO L78 Accepts]: Start accepts. Automaton has 11677 states and 15272 transitions. Word has length 152 [2023-04-03 07:26:05,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:05,229 INFO L495 AbstractCegarLoop]: Abstraction has 11677 states and 15272 transitions. [2023-04-03 07:26:05,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 4 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 07:26:05,229 INFO L276 IsEmpty]: Start isEmpty. Operand 11677 states and 15272 transitions. [2023-04-03 07:26:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-04-03 07:26:05,232 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:05,233 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 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] [2023-04-03 07:26:05,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 07:26:05,233 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:05,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:05,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1288962961, now seen corresponding path program 1 times [2023-04-03 07:26:05,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:05,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820859481] [2023-04-03 07:26:05,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:05,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2023-04-03 07:26:05,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:05,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820859481] [2023-04-03 07:26:05,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820859481] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:05,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:05,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:26:05,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359148154] [2023-04-03 07:26:05,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:05,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:26:05,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:05,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:26:05,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:26:05,505 INFO L87 Difference]: Start difference. First operand 11677 states and 15272 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-03 07:26:08,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:11,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:13,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:15,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:15,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:15,615 INFO L93 Difference]: Finished difference Result 29408 states and 38295 transitions. [2023-04-03 07:26:15,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:26:15,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 152 [2023-04-03 07:26:15,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:15,709 INFO L225 Difference]: With dead ends: 29408 [2023-04-03 07:26:15,709 INFO L226 Difference]: Without dead ends: 17763 [2023-04-03 07:26:15,753 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 07:26:15,756 INFO L413 NwaCegarLoop]: 2737 mSDtfsCounter, 2279 mSDsluCounter, 2410 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 5147 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:15,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2279 Valid, 5147 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 645 Invalid, 4 Unknown, 0 Unchecked, 9.6s Time] [2023-04-03 07:26:15,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17763 states. [2023-04-03 07:26:16,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17763 to 17713. [2023-04-03 07:26:16,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17713 states, 9766 states have (on average 1.198136391562564) internal successors, (11701), 10186 states have internal predecessors, (11701), 5562 states have call successors, (5562), 2454 states have call predecessors, (5562), 2382 states have return successors, (5698), 5296 states have call predecessors, (5698), 5557 states have call successors, (5698) [2023-04-03 07:26:16,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17713 states to 17713 states and 22961 transitions. [2023-04-03 07:26:16,434 INFO L78 Accepts]: Start accepts. Automaton has 17713 states and 22961 transitions. Word has length 152 [2023-04-03 07:26:16,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:16,435 INFO L495 AbstractCegarLoop]: Abstraction has 17713 states and 22961 transitions. [2023-04-03 07:26:16,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-03 07:26:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 17713 states and 22961 transitions. [2023-04-03 07:26:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-04-03 07:26:16,442 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:16,442 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 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] [2023-04-03 07:26:16,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 07:26:16,442 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:16,442 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:16,442 INFO L85 PathProgramCache]: Analyzing trace with hash 2029557728, now seen corresponding path program 1 times [2023-04-03 07:26:16,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:16,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499811673] [2023-04-03 07:26:16,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:16,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2023-04-03 07:26:16,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:16,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499811673] [2023-04-03 07:26:16,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499811673] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:16,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:16,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:26:16,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666694828] [2023-04-03 07:26:16,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:16,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:26:16,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:16,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:26:16,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:26:16,646 INFO L87 Difference]: Start difference. First operand 17713 states and 22961 transitions. 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 07:26:19,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:21,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:24,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:26,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:26,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:26,957 INFO L93 Difference]: Finished difference Result 45395 states and 58975 transitions. [2023-04-03 07:26:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:26:26,957 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 157 [2023-04-03 07:26:26,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:27,178 INFO L225 Difference]: With dead ends: 45395 [2023-04-03 07:26:27,178 INFO L226 Difference]: Without dead ends: 27714 [2023-04-03 07:26:27,226 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 07:26:27,226 INFO L413 NwaCegarLoop]: 2515 mSDtfsCounter, 2470 mSDsluCounter, 2428 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2470 SdHoareTripleChecker+Valid, 4943 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:27,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2470 Valid, 4943 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 680 Invalid, 3 Unknown, 0 Unchecked, 9.5s Time] [2023-04-03 07:26:27,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27714 states. [2023-04-03 07:26:28,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27714 to 27664. [2023-04-03 07:26:28,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27664 states, 15206 states have (on average 1.192292516112061) internal successors, (18130), 15901 states have internal predecessors, (18130), 8718 states have call successors, (8718), 3881 states have call predecessors, (8718), 3737 states have return successors, (9052), 8217 states have call predecessors, (9052), 8713 states have call successors, (9052) [2023-04-03 07:26:28,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27664 states to 27664 states and 35900 transitions. [2023-04-03 07:26:28,221 INFO L78 Accepts]: Start accepts. Automaton has 27664 states and 35900 transitions. Word has length 157 [2023-04-03 07:26:28,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:28,222 INFO L495 AbstractCegarLoop]: Abstraction has 27664 states and 35900 transitions. [2023-04-03 07:26:28,222 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 07:26:28,222 INFO L276 IsEmpty]: Start isEmpty. Operand 27664 states and 35900 transitions. [2023-04-03 07:26:28,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-04-03 07:26:28,223 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:28,223 INFO L195 NwaCegarLoop]: trace histogram [11, 9, 9, 9, 9, 9, 9, 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] [2023-04-03 07:26:28,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 07:26:28,224 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:28,224 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:28,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1739069409, now seen corresponding path program 1 times [2023-04-03 07:26:28,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:28,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486468096] [2023-04-03 07:26:28,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:28,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-04-03 07:26:28,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:28,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486468096] [2023-04-03 07:26:28,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486468096] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:28,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:28,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:28,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838587628] [2023-04-03 07:26:28,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:28,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:28,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:28,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:28,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:28,445 INFO L87 Difference]: Start difference. First operand 27664 states and 35900 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-03 07:26:36,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:38,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:40,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:42,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:44,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:51,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:51,577 INFO L93 Difference]: Finished difference Result 82445 states and 107109 transitions. [2023-04-03 07:26:51,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 07:26:51,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 166 [2023-04-03 07:26:51,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:51,791 INFO L225 Difference]: With dead ends: 82445 [2023-04-03 07:26:51,791 INFO L226 Difference]: Without dead ends: 54813 [2023-04-03 07:26:51,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:26:51,913 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 4615 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 9156 mSolverCounterSat, 2561 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5305 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 11722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2561 IncrementalHoareTripleChecker+Valid, 9156 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:51,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5305 Valid, 190 Invalid, 11722 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2561 Valid, 9156 Invalid, 5 Unknown, 0 Unchecked, 21.1s Time] [2023-04-03 07:26:51,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54813 states. [2023-04-03 07:26:54,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54813 to 54667. [2023-04-03 07:26:54,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54667 states, 30063 states have (on average 1.191464591025513) internal successors, (35819), 31520 states have internal predecessors, (35819), 17189 states have call successors, (17189), 7611 states have call predecessors, (17189), 7412 states have return successors, (17951), 16206 states have call predecessors, (17951), 17184 states have call successors, (17951) [2023-04-03 07:26:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54667 states to 54667 states and 70959 transitions. [2023-04-03 07:26:54,443 INFO L78 Accepts]: Start accepts. Automaton has 54667 states and 70959 transitions. Word has length 166 [2023-04-03 07:26:54,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:54,443 INFO L495 AbstractCegarLoop]: Abstraction has 54667 states and 70959 transitions. [2023-04-03 07:26:54,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-03 07:26:54,443 INFO L276 IsEmpty]: Start isEmpty. Operand 54667 states and 70959 transitions. [2023-04-03 07:26:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-03 07:26:54,445 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:54,445 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2023-04-03 07:26:54,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 07:26:54,445 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 07:26:54,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:54,446 INFO L85 PathProgramCache]: Analyzing trace with hash -808812872, now seen corresponding path program 1 times [2023-04-03 07:26:54,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:54,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352029699] [2023-04-03 07:26:54,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:54,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:54,736 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2023-04-03 07:26:54,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:54,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352029699] [2023-04-03 07:26:54,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352029699] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:54,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:54,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:54,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137959271] [2023-04-03 07:26:54,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:54,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:54,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:54,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:54,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:54,739 INFO L87 Difference]: Start difference. First operand 54667 states and 70959 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 07:26:58,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:00,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:02,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:04,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:04,322 INFO L93 Difference]: Finished difference Result 54673 states and 70964 transitions. [2023-04-03 07:27:04,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:27:04,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 194 [2023-04-03 07:27:04,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:04,514 INFO L225 Difference]: With dead ends: 54673 [2023-04-03 07:27:04,514 INFO L226 Difference]: Without dead ends: 54671 [2023-04-03 07:27:04,542 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 07:27:04,543 INFO L413 NwaCegarLoop]: 2501 mSDtfsCounter, 2794 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2806 SdHoareTripleChecker+Valid, 7490 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:04,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2806 Valid, 7490 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 962 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2023-04-03 07:27:04,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54671 states. [2023-04-03 07:27:06,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54671 to 54671. [2023-04-03 07:27:07,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54671 states, 30066 states have (on average 1.1914454865961552) internal successors, (35822), 31523 states have internal predecessors, (35822), 17189 states have call successors, (17189), 7612 states have call predecessors, (17189), 7413 states have return successors, (17951), 16206 states have call predecessors, (17951), 17184 states have call successors, (17951) [2023-04-03 07:27:07,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54671 states to 54671 states and 70962 transitions. [2023-04-03 07:27:07,312 INFO L78 Accepts]: Start accepts. Automaton has 54671 states and 70962 transitions. Word has length 194 [2023-04-03 07:27:07,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:07,312 INFO L495 AbstractCegarLoop]: Abstraction has 54671 states and 70962 transitions. [2023-04-03 07:27:07,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 07:27:07,312 INFO L276 IsEmpty]: Start isEmpty. Operand 54671 states and 70962 transitions. [2023-04-03 07:27:07,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-04-03 07:27:07,314 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:07,314 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2023-04-03 07:27:07,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 07:27:07,314 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 07:27:07,315 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:07,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1426539068, now seen corresponding path program 1 times [2023-04-03 07:27:07,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:07,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122170008] [2023-04-03 07:27:07,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:07,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2023-04-03 07:27:07,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:07,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122170008] [2023-04-03 07:27:07,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122170008] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:27:07,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:27:07,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:27:07,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175877733] [2023-04-03 07:27:07,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:07,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:27:07,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:07,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:27:07,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:27:07,600 INFO L87 Difference]: Start difference. First operand 54671 states and 70962 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 07:27:11,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:13,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:15,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:17,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:19,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:19,308 INFO L93 Difference]: Finished difference Result 54677 states and 70967 transitions. [2023-04-03 07:27:19,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:27:19,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 199 [2023-04-03 07:27:19,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:19,505 INFO L225 Difference]: With dead ends: 54677 [2023-04-03 07:27:19,505 INFO L226 Difference]: Without dead ends: 54675 [2023-04-03 07:27:19,533 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 07:27:19,533 INFO L413 NwaCegarLoop]: 2504 mSDtfsCounter, 2789 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2800 SdHoareTripleChecker+Valid, 7493 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:19,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2800 Valid, 7493 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 961 Invalid, 4 Unknown, 0 Unchecked, 9.7s Time] [2023-04-03 07:27:19,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54675 states. [2023-04-03 07:27:21,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54675 to 54675. [2023-04-03 07:27:21,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54675 states, 30069 states have (on average 1.1914263859789151) internal successors, (35825), 31526 states have internal predecessors, (35825), 17189 states have call successors, (17189), 7613 states have call predecessors, (17189), 7414 states have return successors, (17951), 16206 states have call predecessors, (17951), 17184 states have call successors, (17951) [2023-04-03 07:27:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54675 states to 54675 states and 70965 transitions. [2023-04-03 07:27:22,072 INFO L78 Accepts]: Start accepts. Automaton has 54675 states and 70965 transitions. Word has length 199 [2023-04-03 07:27:22,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:22,073 INFO L495 AbstractCegarLoop]: Abstraction has 54675 states and 70965 transitions. [2023-04-03 07:27:22,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 07:27:22,073 INFO L276 IsEmpty]: Start isEmpty. Operand 54675 states and 70965 transitions. [2023-04-03 07:27:22,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-03 07:27:22,076 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:22,076 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2023-04-03 07:27:22,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 07:27:22,077 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 07:27:22,077 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:22,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1470703864, now seen corresponding path program 1 times [2023-04-03 07:27:22,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:22,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713225241] [2023-04-03 07:27:22,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:22,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2023-04-03 07:27:22,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:22,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713225241] [2023-04-03 07:27:22,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713225241] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:27:22,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:27:22,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:27:22,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911356148] [2023-04-03 07:27:22,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:22,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:27:22,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:22,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:27:22,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:27:22,637 INFO L87 Difference]: Start difference. First operand 54675 states and 70965 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:27:26,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:28,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:30,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:32,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:32,478 INFO L93 Difference]: Finished difference Result 54681 states and 70970 transitions. [2023-04-03 07:27:32,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:27:32,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 204 [2023-04-03 07:27:32,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:32,659 INFO L225 Difference]: With dead ends: 54681 [2023-04-03 07:27:32,660 INFO L226 Difference]: Without dead ends: 54679 [2023-04-03 07:27:32,690 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 07:27:32,692 INFO L413 NwaCegarLoop]: 2504 mSDtfsCounter, 2789 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2799 SdHoareTripleChecker+Valid, 7493 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:32,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2799 Valid, 7493 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 962 Invalid, 3 Unknown, 0 Unchecked, 7.8s Time] [2023-04-03 07:27:32,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54679 states. [2023-04-03 07:27:35,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54679 to 54679. [2023-04-03 07:27:35,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54679 states, 30072 states have (on average 1.1914072891726524) internal successors, (35828), 31529 states have internal predecessors, (35828), 17189 states have call successors, (17189), 7614 states have call predecessors, (17189), 7415 states have return successors, (17951), 16206 states have call predecessors, (17951), 17184 states have call successors, (17951) [2023-04-03 07:27:35,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54679 states to 54679 states and 70968 transitions. [2023-04-03 07:27:35,508 INFO L78 Accepts]: Start accepts. Automaton has 54679 states and 70968 transitions. Word has length 204 [2023-04-03 07:27:35,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:35,510 INFO L495 AbstractCegarLoop]: Abstraction has 54679 states and 70968 transitions. [2023-04-03 07:27:35,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:27:35,510 INFO L276 IsEmpty]: Start isEmpty. Operand 54679 states and 70968 transitions. [2023-04-03 07:27:35,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-04-03 07:27:35,529 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:35,529 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 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] [2023-04-03 07:27:35,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 07:27:35,530 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 07:27:35,530 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:35,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1926025348, now seen corresponding path program 1 times [2023-04-03 07:27:35,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:35,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990884197] [2023-04-03 07:27:35,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:35,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2023-04-03 07:27:35,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:35,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990884197] [2023-04-03 07:27:35,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990884197] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:27:35,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:27:35,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:27:35,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557964554] [2023-04-03 07:27:35,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:35,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:27:35,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:35,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:27:35,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:27:35,793 INFO L87 Difference]: Start difference. First operand 54679 states and 70968 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 07:27:39,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:41,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:43,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:45,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:45,791 INFO L93 Difference]: Finished difference Result 54685 states and 70973 transitions. [2023-04-03 07:27:45,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:27:45,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 209 [2023-04-03 07:27:45,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:46,025 INFO L225 Difference]: With dead ends: 54685 [2023-04-03 07:27:46,025 INFO L226 Difference]: Without dead ends: 54683 [2023-04-03 07:27:46,057 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 07:27:46,057 INFO L413 NwaCegarLoop]: 2504 mSDtfsCounter, 2789 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2798 SdHoareTripleChecker+Valid, 7493 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:46,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2798 Valid, 7493 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 962 Invalid, 3 Unknown, 0 Unchecked, 7.5s Time] [2023-04-03 07:27:46,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54683 states. [2023-04-03 07:27:48,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54683 to 54683. [2023-04-03 07:27:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54683 states, 30075 states have (on average 1.191388196176226) internal successors, (35831), 31532 states have internal predecessors, (35831), 17189 states have call successors, (17189), 7615 states have call predecessors, (17189), 7416 states have return successors, (17951), 16206 states have call predecessors, (17951), 17184 states have call successors, (17951) [2023-04-03 07:27:49,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54683 states to 54683 states and 70971 transitions. [2023-04-03 07:27:49,260 INFO L78 Accepts]: Start accepts. Automaton has 54683 states and 70971 transitions. Word has length 209 [2023-04-03 07:27:49,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:49,260 INFO L495 AbstractCegarLoop]: Abstraction has 54683 states and 70971 transitions. [2023-04-03 07:27:49,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 07:27:49,261 INFO L276 IsEmpty]: Start isEmpty. Operand 54683 states and 70971 transitions. [2023-04-03 07:27:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-04-03 07:27:49,263 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:49,263 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 5, 4, 4, 4, 4, 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] [2023-04-03 07:27:49,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 07:27:49,263 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 07:27:49,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:49,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1549382456, now seen corresponding path program 1 times [2023-04-03 07:27:49,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:49,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705652189] [2023-04-03 07:27:49,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:49,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:49,537 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2023-04-03 07:27:49,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:49,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705652189] [2023-04-03 07:27:49,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705652189] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:27:49,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:27:49,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:27:49,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816066757] [2023-04-03 07:27:49,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:49,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:27:49,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:49,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:27:49,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:27:49,539 INFO L87 Difference]: Start difference. First operand 54683 states and 70971 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 07:27:53,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:55,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:57,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:59,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:59,427 INFO L93 Difference]: Finished difference Result 54689 states and 70976 transitions. [2023-04-03 07:27:59,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:27:59,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 214 [2023-04-03 07:27:59,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:59,691 INFO L225 Difference]: With dead ends: 54689 [2023-04-03 07:27:59,691 INFO L226 Difference]: Without dead ends: 54687 [2023-04-03 07:27:59,726 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 07:27:59,726 INFO L413 NwaCegarLoop]: 2504 mSDtfsCounter, 2789 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2797 SdHoareTripleChecker+Valid, 7493 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:59,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2797 Valid, 7493 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 962 Invalid, 3 Unknown, 0 Unchecked, 7.4s Time] [2023-04-03 07:27:59,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54687 states. [2023-04-03 07:28:02,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54687 to 54687. [2023-04-03 07:28:02,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54687 states, 30078 states have (on average 1.1913691069884966) internal successors, (35834), 31535 states have internal predecessors, (35834), 17189 states have call successors, (17189), 7616 states have call predecessors, (17189), 7417 states have return successors, (17951), 16206 states have call predecessors, (17951), 17184 states have call successors, (17951) [2023-04-03 07:28:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54687 states to 54687 states and 70974 transitions. [2023-04-03 07:28:03,036 INFO L78 Accepts]: Start accepts. Automaton has 54687 states and 70974 transitions. Word has length 214 [2023-04-03 07:28:03,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:28:03,036 INFO L495 AbstractCegarLoop]: Abstraction has 54687 states and 70974 transitions. [2023-04-03 07:28:03,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 07:28:03,036 INFO L276 IsEmpty]: Start isEmpty. Operand 54687 states and 70974 transitions. [2023-04-03 07:28:03,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-04-03 07:28:03,058 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:28:03,059 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 5, 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] [2023-04-03 07:28:03,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 07:28:03,059 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 07:28:03,059 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:28:03,059 INFO L85 PathProgramCache]: Analyzing trace with hash -346146862, now seen corresponding path program 1 times [2023-04-03 07:28:03,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:28:03,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518772052] [2023-04-03 07:28:03,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:28:03,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:28:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:28:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2023-04-03 07:28:03,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:28:03,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518772052] [2023-04-03 07:28:03,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518772052] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:28:03,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:28:03,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:28:03,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456559512] [2023-04-03 07:28:03,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:28:03,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:28:03,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:28:03,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:28:03,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:28:03,317 INFO L87 Difference]: Start difference. First operand 54687 states and 70974 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 07:28:07,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:09,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:11,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:13,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:15,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:18,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:28:18,615 INFO L93 Difference]: Finished difference Result 54693 states and 70979 transitions. [2023-04-03 07:28:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:28:18,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 243 [2023-04-03 07:28:18,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:28:18,792 INFO L225 Difference]: With dead ends: 54693 [2023-04-03 07:28:18,793 INFO L226 Difference]: Without dead ends: 54691 [2023-04-03 07:28:18,818 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 07:28:18,819 INFO L413 NwaCegarLoop]: 2504 mSDtfsCounter, 2793 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2800 SdHoareTripleChecker+Valid, 7493 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:28:18,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2800 Valid, 7493 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 960 Invalid, 5 Unknown, 0 Unchecked, 12.6s Time] [2023-04-03 07:28:18,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54691 states. [2023-04-03 07:28:22,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54691 to 54691. [2023-04-03 07:28:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54691 states, 30081 states have (on average 1.1913500216083242) internal successors, (35837), 31538 states have internal predecessors, (35837), 17189 states have call successors, (17189), 7617 states have call predecessors, (17189), 7418 states have return successors, (17951), 16206 states have call predecessors, (17951), 17184 states have call successors, (17951) [2023-04-03 07:28:22,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54691 states to 54691 states and 70977 transitions. [2023-04-03 07:28:22,438 INFO L78 Accepts]: Start accepts. Automaton has 54691 states and 70977 transitions. Word has length 243 [2023-04-03 07:28:22,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:28:22,439 INFO L495 AbstractCegarLoop]: Abstraction has 54691 states and 70977 transitions. [2023-04-03 07:28:22,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 07:28:22,439 INFO L276 IsEmpty]: Start isEmpty. Operand 54691 states and 70977 transitions. [2023-04-03 07:28:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-04-03 07:28:22,456 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:28:22,457 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 7, 6, 6, 4, 4, 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] [2023-04-03 07:28:22,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 07:28:22,457 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 07:28:22,457 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:28:22,457 INFO L85 PathProgramCache]: Analyzing trace with hash -385606280, now seen corresponding path program 1 times [2023-04-03 07:28:22,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:28:22,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965000596] [2023-04-03 07:28:22,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:28:22,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:28:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:28:22,832 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2023-04-03 07:28:22,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:28:22,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965000596] [2023-04-03 07:28:22,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965000596] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:28:22,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:28:22,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:28:22,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378468912] [2023-04-03 07:28:22,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:28:22,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:28:22,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:28:22,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:28:22,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:28:22,834 INFO L87 Difference]: Start difference. First operand 54691 states and 70977 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 07:28:26,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:28,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:30,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:32,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:34,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:28:34,847 INFO L93 Difference]: Finished difference Result 54697 states and 70982 transitions. [2023-04-03 07:28:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:28:34,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 224 [2023-04-03 07:28:34,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:28:35,020 INFO L225 Difference]: With dead ends: 54697 [2023-04-03 07:28:35,021 INFO L226 Difference]: Without dead ends: 54695 [2023-04-03 07:28:35,049 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 07:28:35,051 INFO L413 NwaCegarLoop]: 2504 mSDtfsCounter, 2789 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2795 SdHoareTripleChecker+Valid, 7493 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:28:35,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2795 Valid, 7493 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 962 Invalid, 3 Unknown, 0 Unchecked, 9.2s Time] [2023-04-03 07:28:35,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54695 states. [2023-04-03 07:28:38,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54695 to 54695. [2023-04-03 07:28:38,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54695 states, 30084 states have (on average 1.19133094003457) internal successors, (35840), 31541 states have internal predecessors, (35840), 17189 states have call successors, (17189), 7618 states have call predecessors, (17189), 7419 states have return successors, (17951), 16206 states have call predecessors, (17951), 17184 states have call successors, (17951) [2023-04-03 07:28:38,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54695 states to 54695 states and 70980 transitions. [2023-04-03 07:28:38,615 INFO L78 Accepts]: Start accepts. Automaton has 54695 states and 70980 transitions. Word has length 224 [2023-04-03 07:28:38,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:28:38,615 INFO L495 AbstractCegarLoop]: Abstraction has 54695 states and 70980 transitions. [2023-04-03 07:28:38,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 07:28:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 54695 states and 70980 transitions. [2023-04-03 07:28:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-04-03 07:28:38,619 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:28:38,619 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 8, 7, 7, 5, 5, 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] [2023-04-03 07:28:38,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 07:28:38,619 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 07:28:38,619 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:28:38,620 INFO L85 PathProgramCache]: Analyzing trace with hash 276702844, now seen corresponding path program 1 times [2023-04-03 07:28:38,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:28:38,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702182112] [2023-04-03 07:28:38,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:28:38,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:28:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:28:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-04-03 07:28:38,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:28:38,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702182112] [2023-04-03 07:28:38,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702182112] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:28:38,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:28:38,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:28:38,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93392050] [2023-04-03 07:28:38,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:28:38,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:28:38,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:28:38,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:28:38,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:28:38,886 INFO L87 Difference]: Start difference. First operand 54695 states and 70980 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 07:28:42,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:44,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:46,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:49,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:28:49,722 INFO L93 Difference]: Finished difference Result 54701 states and 70985 transitions. [2023-04-03 07:28:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:28:49,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 254 [2023-04-03 07:28:49,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:28:49,924 INFO L225 Difference]: With dead ends: 54701 [2023-04-03 07:28:49,924 INFO L226 Difference]: Without dead ends: 54699 [2023-04-03 07:28:49,958 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 07:28:49,959 INFO L413 NwaCegarLoop]: 2504 mSDtfsCounter, 2792 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2797 SdHoareTripleChecker+Valid, 7493 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:28:49,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2797 Valid, 7493 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 962 Invalid, 3 Unknown, 0 Unchecked, 7.7s Time] [2023-04-03 07:28:50,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54699 states. [2023-04-03 07:28:53,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54699 to 54699. [2023-04-03 07:28:53,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54699 states, 30087 states have (on average 1.191311862266095) internal successors, (35843), 31544 states have internal predecessors, (35843), 17189 states have call successors, (17189), 7619 states have call predecessors, (17189), 7420 states have return successors, (17951), 16206 states have call predecessors, (17951), 17184 states have call successors, (17951) [2023-04-03 07:28:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54699 states to 54699 states and 70983 transitions. [2023-04-03 07:28:53,780 INFO L78 Accepts]: Start accepts. Automaton has 54699 states and 70983 transitions. Word has length 254 [2023-04-03 07:28:53,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:28:53,780 INFO L495 AbstractCegarLoop]: Abstraction has 54699 states and 70983 transitions. [2023-04-03 07:28:53,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 07:28:53,781 INFO L276 IsEmpty]: Start isEmpty. Operand 54699 states and 70983 transitions. [2023-04-03 07:28:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-03 07:28:53,784 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:28:53,784 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 4, 4, 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] [2023-04-03 07:28:53,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 07:28:53,785 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 07:28:53,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:28:53,785 INFO L85 PathProgramCache]: Analyzing trace with hash 919627704, now seen corresponding path program 1 times [2023-04-03 07:28:53,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:28:53,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074363928] [2023-04-03 07:28:53,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:28:53,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:28:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:28:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-04-03 07:28:54,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:28:54,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074363928] [2023-04-03 07:28:54,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074363928] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:28:54,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:28:54,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:28:54,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552822663] [2023-04-03 07:28:54,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:28:54,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:28:54,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:28:54,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:28:54,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:28:54,251 INFO L87 Difference]: Start difference. First operand 54699 states and 70983 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 07:28:58,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:00,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:02,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:05,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:29:05,353 INFO L93 Difference]: Finished difference Result 54705 states and 70988 transitions. [2023-04-03 07:29:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:29:05,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 234 [2023-04-03 07:29:05,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:29:05,550 INFO L225 Difference]: With dead ends: 54705 [2023-04-03 07:29:05,550 INFO L226 Difference]: Without dead ends: 54703 [2023-04-03 07:29:05,581 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 07:29:05,581 INFO L413 NwaCegarLoop]: 2504 mSDtfsCounter, 2789 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2793 SdHoareTripleChecker+Valid, 7493 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:29:05,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2793 Valid, 7493 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 962 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2023-04-03 07:29:05,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54703 states. [2023-04-03 07:29:09,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54703 to 54703. [2023-04-03 07:29:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54703 states, 30090 states have (on average 1.1912927883017614) internal successors, (35846), 31547 states have internal predecessors, (35846), 17189 states have call successors, (17189), 7620 states have call predecessors, (17189), 7421 states have return successors, (17951), 16206 states have call predecessors, (17951), 17184 states have call successors, (17951) [2023-04-03 07:29:09,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54703 states to 54703 states and 70986 transitions. [2023-04-03 07:29:09,677 INFO L78 Accepts]: Start accepts. Automaton has 54703 states and 70986 transitions. Word has length 234 [2023-04-03 07:29:09,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:29:09,678 INFO L495 AbstractCegarLoop]: Abstraction has 54703 states and 70986 transitions. [2023-04-03 07:29:09,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 07:29:09,678 INFO L276 IsEmpty]: Start isEmpty. Operand 54703 states and 70986 transitions. [2023-04-03 07:29:09,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-04-03 07:29:09,684 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:29:09,684 INFO L195 NwaCegarLoop]: trace histogram [13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2023-04-03 07:29:09,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 07:29:09,685 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 07:29:09,685 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:29:09,685 INFO L85 PathProgramCache]: Analyzing trace with hash 590591804, now seen corresponding path program 1 times [2023-04-03 07:29:09,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:29:09,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805808248] [2023-04-03 07:29:09,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:29:09,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:29:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:29:10,013 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2023-04-03 07:29:10,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:29:10,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805808248] [2023-04-03 07:29:10,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805808248] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:29:10,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:29:10,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:29:10,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320503355] [2023-04-03 07:29:10,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:29:10,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:29:10,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:29:10,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:29:10,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:29:10,016 INFO L87 Difference]: Start difference. First operand 54703 states and 70986 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-04-03 07:29:14,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:16,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:18,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:21,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:29:21,582 INFO L93 Difference]: Finished difference Result 57051 states and 73326 transitions. [2023-04-03 07:29:21,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:29:21,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 239 [2023-04-03 07:29:21,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:29:21,818 INFO L225 Difference]: With dead ends: 57051 [2023-04-03 07:29:21,818 INFO L226 Difference]: Without dead ends: 57049 [2023-04-03 07:29:21,844 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 07:29:21,845 INFO L413 NwaCegarLoop]: 2552 mSDtfsCounter, 2725 mSDsluCounter, 5211 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2728 SdHoareTripleChecker+Valid, 7763 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:29:21,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2728 Valid, 7763 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1025 Invalid, 3 Unknown, 0 Unchecked, 7.8s Time] [2023-04-03 07:29:21,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57049 states. [2023-04-03 07:29:25,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57049 to 57047. [2023-04-03 07:29:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57047 states, 31343 states have (on average 1.186453115528188) internal successors, (37187), 32800 states have internal predecessors, (37187), 17687 states have call successors, (17687), 8213 states have call predecessors, (17687), 8014 states have return successors, (18449), 16704 states have call predecessors, (18449), 17682 states have call successors, (18449) [2023-04-03 07:29:26,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57047 states to 57047 states and 73323 transitions. [2023-04-03 07:29:26,094 INFO L78 Accepts]: Start accepts. Automaton has 57047 states and 73323 transitions. Word has length 239 [2023-04-03 07:29:26,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:29:26,098 INFO L495 AbstractCegarLoop]: Abstraction has 57047 states and 73323 transitions. [2023-04-03 07:29:26,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-04-03 07:29:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 57047 states and 73323 transitions. [2023-04-03 07:29:26,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-04-03 07:29:26,104 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:29:26,104 INFO L195 NwaCegarLoop]: trace histogram [13, 11, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 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] [2023-04-03 07:29:26,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 07:29:26,104 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 07:29:26,104 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:29:26,105 INFO L85 PathProgramCache]: Analyzing trace with hash -537977950, now seen corresponding path program 1 times [2023-04-03 07:29:26,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:29:26,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819280582] [2023-04-03 07:29:26,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:29:26,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:29:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:29:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2023-04-03 07:29:26,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:29:26,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819280582] [2023-04-03 07:29:26,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819280582] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:29:26,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:29:26,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:29:26,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694409423] [2023-04-03 07:29:26,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:29:26,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:29:26,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:29:26,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:29:26,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:29:26,347 INFO L87 Difference]: Start difference. First operand 57047 states and 73323 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 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 07:29:30,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []