/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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 08:12:06,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 08:12:06,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 08:12:06,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 08:12:06,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 08:12:06,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 08:12:06,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 08:12:06,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 08:12:06,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 08:12:06,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 08:12:06,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 08:12:06,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 08:12:06,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 08:12:06,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 08:12:06,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 08:12:06,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 08:12:06,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 08:12:06,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 08:12:06,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 08:12:06,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 08:12:06,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 08:12:06,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 08:12:06,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 08:12:06,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 08:12:06,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 08:12:06,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 08:12:06,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 08:12:06,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 08:12:06,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 08:12:06,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 08:12:06,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 08:12:06,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 08:12:06,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 08:12:06,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 08:12:06,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 08:12:06,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 08:12:06,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 08:12:06,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 08:12:06,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 08:12:06,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 08:12:06,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 08:12:06,582 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 08:12:06,599 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 08:12:06,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 08:12:06,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 08:12:06,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 08:12:06,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 08:12:06,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 08:12:06,600 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 08:12:06,601 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 08:12:06,601 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 08:12:06,601 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 08:12:06,601 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 08:12:06,601 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 08:12:06,601 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 08:12:06,601 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 08:12:06,601 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 08:12:06,602 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 08:12:06,602 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 08:12:06,602 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 08:12:06,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 08:12:06,602 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 08:12:06,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 08:12:06,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 08:12:06,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 08:12:06,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 08:12:06,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 08:12:06,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 08:12:06,603 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 08:12:06,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 08:12:06,603 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 08:12:06,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 08:12:06,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 08:12:06,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 08:12:06,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 08:12:06,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 08:12:06,604 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 08:12:06,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 08:12:06,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 08:12:06,605 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 08:12:06,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 08:12:06,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 08:12:06,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 08:12:06,605 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 08:12:06,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 08:12:06,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 08:12:06,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 08:12:06,858 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 08:12:06,859 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 08:12:06,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2023-04-03 08:12:07,985 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 08:12:08,581 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 08:12:08,582 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2023-04-03 08:12:08,636 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a71c50686/132ca5eb44694057b4461eed550e2df7/FLAG38be522be [2023-04-03 08:12:08,659 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a71c50686/132ca5eb44694057b4461eed550e2df7 [2023-04-03 08:12:08,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 08:12:08,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 08:12:08,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 08:12:08,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 08:12:08,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 08:12:08,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:12:08" (1/1) ... [2023-04-03 08:12:08,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fce9aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:08, skipping insertion in model container [2023-04-03 08:12:08,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:12:08" (1/1) ... [2023-04-03 08:12:08,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 08:12:08,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 08:12:12,392 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2023-04-03 08:12:12,397 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2023-04-03 08:12:12,397 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2023-04-03 08:12:12,398 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2023-04-03 08:12:12,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 08:12:12,473 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 08:12:12,835 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2023-04-03 08:12:12,835 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2023-04-03 08:12:12,836 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2023-04-03 08:12:12,837 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2023-04-03 08:12:12,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 08:12:13,008 INFO L208 MainTranslator]: Completed translation [2023-04-03 08:12:13,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:13 WrapperNode [2023-04-03 08:12:13,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 08:12:13,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 08:12:13,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 08:12:13,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 08:12:13,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:13" (1/1) ... [2023-04-03 08:12:13,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:13" (1/1) ... [2023-04-03 08:12:13,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:13" (1/1) ... [2023-04-03 08:12:13,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:13" (1/1) ... [2023-04-03 08:12:13,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:13" (1/1) ... [2023-04-03 08:12:13,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:13" (1/1) ... [2023-04-03 08:12:13,302 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:13" (1/1) ... [2023-04-03 08:12:13,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:13" (1/1) ... [2023-04-03 08:12:13,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 08:12:13,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 08:12:13,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 08:12:13,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 08:12:13,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:13" (1/1) ... [2023-04-03 08:12:13,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 08:12:13,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 08:12:13,402 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 08:12:13,427 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 08:12:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 08:12:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 08:12:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 08:12:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 08:12:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 08:12:13,448 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 08:12:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2023-04-03 08:12:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2023-04-03 08:12:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 08:12:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 08:12:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 08:12:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 08:12:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 08:12:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 08:12:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 08:12:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 08:12:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 08:12:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 08:12:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 08:12:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 08:12:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 08:12:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 08:12:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 08:12:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 08:12:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 08:12:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-03 08:12:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 08:12:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 08:12:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 08:12:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-03 08:12:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-03 08:12:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 08:12:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 08:12:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-04-03 08:12:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-03 08:12:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-03 08:12:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-04-03 08:12:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-04-03 08:12:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 08:12:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 08:12:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 08:12:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 08:12:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 08:12:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 08:12:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 08:12:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 08:12:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-04-03 08:12:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-03 08:12:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-03 08:12:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-03 08:12:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-03 08:12:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-03 08:12:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 08:12:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 08:12:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 08:12:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 08:12:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2023-04-03 08:12:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init_one [2023-04-03 08:12:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2023-04-03 08:12:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2023-04-03 08:12:13,456 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2023-04-03 08:12:13,456 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_start_xmit [2023-04-03 08:12:13,456 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2023-04-03 08:12:13,456 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2023-04-03 08:12:13,456 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2023-04-03 08:12:13,456 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_tx_pkt [2023-04-03 08:12:13,456 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_rx_packet [2023-04-03 08:12:13,456 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2023-04-03 08:12:13,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULi_ethtool_gset [2023-04-03 08:12:13,456 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_drvinfo [2023-04-03 08:12:13,456 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_settings [2023-04-03 08:12:13,457 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_link [2023-04-03 08:12:13,457 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_get_wol [2023-04-03 08:12:13,458 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_timer [2023-04-03 08:12:13,458 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2023-04-03 08:12:13,458 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_dynamic_reset [2023-04-03 08:12:13,458 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_suspend [2023-04-03 08:12:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2023-04-03 08:12:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2023-04-03 08:12:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2023-04-03 08:12:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_descriptor_init [2023-04-03 08:12:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2023-04-03 08:12:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2023-04-03 08:12:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2023-04-03 08:12:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure read_srom_word [2023-04-03 08:12:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_sense_speed [2023-04-03 08:12:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_phyxcer [2023-04-03 08:12:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_process_mode [2023-04-03 08:12:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_writeby_cr9 [2023-04-03 08:12:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_readby_cr9 [2023-04-03 08:12:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_readby_cr10 [2023-04-03 08:12:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_writeby_cr10 [2023-04-03 08:12:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2023-04-03 08:12:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2023-04-03 08:12:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init_module [2023-04-03 08:12:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_cleanup_module [2023-04-03 08:12:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2023-04-03 08:12:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_uli526x_init_module_14_9 [2023-04-03 08:12:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2023-04-03 08:12:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2023-04-03 08:12:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 08:12:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-04-03 08:12:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2023-04-03 08:12:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2023-04-03 08:12:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2023-04-03 08:12:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 08:12:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 08:12:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 08:12:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 08:12:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2023-04-03 08:12:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2023-04-03 08:12:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2023-04-03 08:12:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 08:12:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 08:12:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 08:12:13,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 08:12:13,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 08:12:13,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 08:12:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 08:12:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 08:12:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 08:12:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 08:12:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2023-04-03 08:12:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 08:12:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 08:12:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 08:12:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 08:12:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 08:12:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 08:12:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 08:12:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 08:12:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2023-04-03 08:12:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2023-04-03 08:12:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2023-04-03 08:12:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 08:12:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 08:12:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 08:12:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 08:12:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2023-04-03 08:12:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-04-03 08:12:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 08:12:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2023-04-03 08:12:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 08:12:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 08:12:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 08:12:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-03 08:12:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 08:12:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 08:12:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2023-04-03 08:12:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2023-04-03 08:12:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2023-04-03 08:12:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 08:12:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_3 [2023-04-03 08:12:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2023-04-03 08:12:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2023-04-03 08:12:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_4 [2023-04-03 08:12:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2023-04-03 08:12:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2023-04-03 08:12:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 08:12:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 08:12:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2023-04-03 08:12:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2023-04-03 08:12:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_62 [2023-04-03 08:12:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_63 [2023-04-03 08:12:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_64 [2023-04-03 08:12:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_65 [2023-04-03 08:12:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_66 [2023-04-03 08:12:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_67 [2023-04-03 08:12:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_68 [2023-04-03 08:12:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-04-03 08:12:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_71 [2023-04-03 08:12:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_72 [2023-04-03 08:12:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_73 [2023-04-03 08:12:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_77 [2023-04-03 08:12:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_81 [2023-04-03 08:12:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_84 [2023-04-03 08:12:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_85 [2023-04-03 08:12:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 08:12:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 08:12:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 08:12:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 08:12:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 08:12:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 08:12:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 08:12:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 08:12:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 08:12:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 08:12:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 08:12:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 08:12:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 08:12:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 08:12:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 08:12:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 08:12:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 08:12:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 08:12:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 08:12:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 08:12:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 08:12:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 08:12:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 08:12:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 08:12:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 08:12:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 08:12:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 08:12:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 08:12:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 08:12:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 08:12:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 08:12:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 08:12:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 08:12:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 08:12:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 08:12:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 08:12:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 08:12:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 08:12:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 08:12:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 08:12:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 08:12:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 08:12:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 08:12:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 08:12:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 08:12:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 08:12:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_dma_spin_lock [2023-04-03 08:12:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_dma_spin_lock [2023-04-03 08:12:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_dma_spin_lock [2023-04-03 08:12:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_dma_spin_lock [2023-04-03 08:12:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_dma_spin_lock [2023-04-03 08:12:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_dma_spin_lock [2023-04-03 08:12:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_dma_spin_lock [2023-04-03 08:12:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_dma_spin_lock [2023-04-03 08:12:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 08:12:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 08:12:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 08:12:13,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 08:12:13,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 08:12:13,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 08:12:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 08:12:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 08:12:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 08:12:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 08:12:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 08:12:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 08:12:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 08:12:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 08:12:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 08:12:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 08:12:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2023-04-03 08:12:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_uli526x_board_info [2023-04-03 08:12:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_uli526x_board_info [2023-04-03 08:12:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_uli526x_board_info [2023-04-03 08:12:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_uli526x_board_info [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_uli526x_board_info [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_uli526x_board_info [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_uli526x_board_info [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 08:12:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 08:12:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 08:12:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 08:12:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 08:12:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 08:12:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 08:12:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 08:12:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 08:12:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 08:12:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 08:12:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 08:12:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 08:12:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 08:12:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 08:12:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 08:12:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 08:12:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 08:12:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 08:12:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 08:12:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 08:12:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 08:12:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 08:12:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 08:12:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 08:12:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 08:12:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 08:12:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 08:12:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 08:12:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2023-04-03 08:12:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 08:12:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 08:12:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 08:12:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 08:12:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-03 08:12:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 08:12:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-03 08:12:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-03 08:12:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-03 08:12:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 08:12:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 08:12:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 08:12:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 08:12:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 08:12:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 08:12:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 08:12:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 08:12:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 08:12:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-04-03 08:12:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-04-03 08:12:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-04-03 08:12:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-04-03 08:12:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-04-03 08:12:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-04-03 08:12:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-04-03 08:12:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 08:12:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 08:12:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 08:12:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 08:12:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 08:12:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 08:12:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 08:12:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 08:12:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 08:12:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 08:12:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 08:12:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 08:12:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 08:12:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 08:12:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 08:12:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_68 [2023-04-03 08:12:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_73 [2023-04-03 08:12:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_77 [2023-04-03 08:12:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_81 [2023-04-03 08:12:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2023-04-03 08:12:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_uli526x_board_info [2023-04-03 08:12:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 08:12:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 08:12:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 08:12:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 08:12:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 08:12:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-04-03 08:12:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_71 [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 08:12:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 08:12:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-03 08:12:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 08:12:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 08:12:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-03 08:12:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-03 08:12:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 08:12:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 08:12:13,503 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 08:12:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 08:12:13,503 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 08:12:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-03 08:12:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-03 08:12:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-03 08:12:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 08:12:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 08:12:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 08:12:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 08:12:13,504 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 08:12:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-03 08:12:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-04-03 08:12:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 08:12:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-03 08:12:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 08:12:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 08:12:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 08:12:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-03 08:12:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-04-03 08:12:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 08:12:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-04-03 08:12:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 08:12:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 08:12:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 08:12:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_64 [2023-04-03 08:12:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_66 [2023-04-03 08:12:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 08:12:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 08:12:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 08:12:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 08:12:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 08:12:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 08:12:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 08:12:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 08:12:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 08:12:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-04-03 08:12:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-04-03 08:12:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-04-03 08:12:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-04-03 08:12:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-04-03 08:12:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 08:12:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_63 [2023-04-03 08:12:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 08:12:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_65 [2023-04-03 08:12:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-04-03 08:12:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-04-03 08:12:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-04-03 08:12:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 08:12:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 08:12:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 08:12:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-04-03 08:12:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-04-03 08:12:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-04-03 08:12:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-04-03 08:12:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2023-04-03 08:12:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-04-03 08:12:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 08:12:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 08:12:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 08:12:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_84 [2023-04-03 08:12:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 08:12:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_85 [2023-04-03 08:12:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-03 08:12:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-03 08:12:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-03 08:12:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-03 08:12:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-03 08:12:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 08:12:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 08:12:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 08:12:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 08:12:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 08:12:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_67 [2023-04-03 08:12:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 08:12:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_72 [2023-04-03 08:12:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 08:12:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 08:12:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-04-03 08:12:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 08:12:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 08:12:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_62 [2023-04-03 08:12:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2023-04-03 08:12:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_start_xmit [2023-04-03 08:12:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2023-04-03 08:12:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2023-04-03 08:12:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure read_srom_word [2023-04-03 08:12:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2023-04-03 08:12:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2023-04-03 08:12:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_descriptor_init [2023-04-03 08:12:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2023-04-03 08:12:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2023-04-03 08:12:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2023-04-03 08:12:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure phy_readby_cr9 [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure phy_readby_cr10 [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure phy_writeby_cr9 [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure phy_writeby_cr10 [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_sense_speed [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_process_mode [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_timer [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_rx_packet [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_tx_pkt [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_dynamic_reset [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2023-04-03 08:12:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2023-04-03 08:12:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_phyxcer [2023-04-03 08:12:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2023-04-03 08:12:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init_one [2023-04-03 08:12:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 08:12:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 08:12:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2023-04-03 08:12:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2023-04-03 08:12:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2023-04-03 08:12:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULi_ethtool_gset [2023-04-03 08:12:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_drvinfo [2023-04-03 08:12:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_settings [2023-04-03 08:12:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_link [2023-04-03 08:12:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_get_wol [2023-04-03 08:12:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2023-04-03 08:12:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_suspend [2023-04-03 08:12:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2023-04-03 08:12:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init_module [2023-04-03 08:12:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_cleanup_module [2023-04-03 08:12:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2023-04-03 08:12:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_uli526x_init_module_14_9 [2023-04-03 08:12:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2023-04-03 08:12:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2023-04-03 08:12:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 08:12:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-04-03 08:12:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 08:12:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 08:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 08:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 08:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 08:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 08:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 08:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2023-04-03 08:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 08:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 08:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 08:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 08:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 08:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 08:12:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 08:12:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 08:12:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2023-04-03 08:12:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2023-04-03 08:12:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2023-04-03 08:12:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 08:12:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 08:12:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 08:12:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 08:12:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2023-04-03 08:12:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-04-03 08:12:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 08:12:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2023-04-03 08:12:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 08:12:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 08:12:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 08:12:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-03 08:12:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 08:12:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 08:12:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2023-04-03 08:12:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2023-04-03 08:12:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2023-04-03 08:12:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 08:12:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_3 [2023-04-03 08:12:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2023-04-03 08:12:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2023-04-03 08:12:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_4 [2023-04-03 08:12:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2023-04-03 08:12:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2023-04-03 08:12:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 08:12:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 08:12:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 08:12:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 08:12:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 08:12:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 08:12:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 08:12:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 08:12:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 08:12:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 08:12:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 08:12:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 08:12:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 08:12:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 08:12:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 08:12:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 08:12:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 08:12:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 08:12:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 08:12:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 08:12:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 08:12:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 08:12:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 08:12:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 08:12:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 08:12:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 08:12:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 08:12:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 08:12:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 08:12:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 08:12:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 08:12:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 08:12:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 08:12:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 08:12:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 08:12:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 08:12:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 08:12:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 08:12:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 08:12:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 08:12:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 08:12:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 08:12:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 08:12:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 08:12:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 08:12:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 08:12:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 08:12:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 08:12:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 08:12:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 08:12:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 08:12:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 08:12:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 08:12:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 08:12:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 08:12:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 08:12:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 08:12:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 08:12:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_dma_spin_lock [2023-04-03 08:12:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_dma_spin_lock [2023-04-03 08:12:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_dma_spin_lock [2023-04-03 08:12:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_dma_spin_lock [2023-04-03 08:12:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_dma_spin_lock [2023-04-03 08:12:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_dma_spin_lock [2023-04-03 08:12:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_dma_spin_lock [2023-04-03 08:12:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_dma_spin_lock [2023-04-03 08:12:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 08:12:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 08:12:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 08:12:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 08:12:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 08:12:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 08:12:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 08:12:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 08:12:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 08:12:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 08:12:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 08:12:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 08:12:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 08:12:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 08:12:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 08:12:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 08:12:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_uli526x_board_info [2023-04-03 08:12:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_uli526x_board_info [2023-04-03 08:12:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_uli526x_board_info [2023-04-03 08:12:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_uli526x_board_info [2023-04-03 08:12:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_uli526x_board_info [2023-04-03 08:12:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_uli526x_board_info [2023-04-03 08:12:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 08:12:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 08:12:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 08:12:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 08:12:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 08:12:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 08:12:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 08:12:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 08:12:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 08:12:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 08:12:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 08:12:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 08:12:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 08:12:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 08:12:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 08:12:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 08:12:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 08:12:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 08:12:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 08:12:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 08:12:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 08:12:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 08:12:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 08:12:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 08:12:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 08:12:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 08:12:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 08:12:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 08:12:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 08:12:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 08:12:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 08:12:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 08:12:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 08:12:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 08:12:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 08:12:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 08:12:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 08:12:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 08:12:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 08:12:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 08:12:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 08:12:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 08:12:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 08:12:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 08:12:14,335 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 08:12:14,346 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 08:12:15,749 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 08:12:16,142 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 08:12:17,764 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 08:12:20,038 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 08:12:20,038 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 08:12:20,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:12:20 BoogieIcfgContainer [2023-04-03 08:12:20,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 08:12:20,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 08:12:20,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 08:12:20,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 08:12:20,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 08:12:08" (1/3) ... [2023-04-03 08:12:20,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a137945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:12:20, skipping insertion in model container [2023-04-03 08:12:20,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:13" (2/3) ... [2023-04-03 08:12:20,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a137945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:12:20, skipping insertion in model container [2023-04-03 08:12:20,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:12:20" (3/3) ... [2023-04-03 08:12:20,055 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2023-04-03 08:12:20,073 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 08:12:20,074 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 08:12:20,176 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 08:12:20,183 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;@45507ca0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 08:12:20,184 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 08:12:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 2169 states, 1128 states have (on average 1.1914893617021276) internal successors, (1344), 1165 states have internal predecessors, (1344), 667 states have call successors, (667), 261 states have call predecessors, (667), 259 states have return successors, (660), 646 states have call predecessors, (660), 660 states have call successors, (660) [2023-04-03 08:12:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-04-03 08:12:20,226 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:12:20,227 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 08:12:20,227 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 08:12:20,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:12:20,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1812537415, now seen corresponding path program 1 times [2023-04-03 08:12:20,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:12:20,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251811325] [2023-04-03 08:12:20,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:12:20,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:12:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:12:21,036 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 08:12:21,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:12:21,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251811325] [2023-04-03 08:12:21,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251811325] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:12:21,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:12:21,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:12:21,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432975261] [2023-04-03 08:12:21,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:12:21,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:12:21,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:12:21,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:12:21,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:12:21,076 INFO L87 Difference]: Start difference. First operand has 2169 states, 1128 states have (on average 1.1914893617021276) internal successors, (1344), 1165 states have internal predecessors, (1344), 667 states have call successors, (667), 261 states have call predecessors, (667), 259 states have return successors, (660), 646 states have call predecessors, (660), 660 states have call successors, (660) 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 08:12:23,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:12:23,266 INFO L93 Difference]: Finished difference Result 5390 states and 7090 transitions. [2023-04-03 08:12:23,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:12:23,269 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 08:12:23,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:12:23,310 INFO L225 Difference]: With dead ends: 5390 [2023-04-03 08:12:23,311 INFO L226 Difference]: Without dead ends: 3543 [2023-04-03 08:12:23,329 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 08:12:23,342 INFO L413 NwaCegarLoop]: 2151 mSDtfsCounter, 2249 mSDsluCounter, 2060 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2249 SdHoareTripleChecker+Valid, 4211 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-03 08:12:23,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2249 Valid, 4211 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-03 08:12:23,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3543 states. [2023-04-03 08:12:23,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3543 to 3539. [2023-04-03 08:12:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3539 states, 1911 states have (on average 1.2077446363160649) internal successors, (2308), 1980 states have internal predecessors, (2308), 1136 states have call successors, (1136), 492 states have call predecessors, (1136), 489 states have return successors, (1131), 1103 states have call predecessors, (1131), 1131 states have call successors, (1131) [2023-04-03 08:12:23,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 3539 states and 4575 transitions. [2023-04-03 08:12:23,781 INFO L78 Accepts]: Start accepts. Automaton has 3539 states and 4575 transitions. Word has length 126 [2023-04-03 08:12:23,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:12:23,783 INFO L495 AbstractCegarLoop]: Abstraction has 3539 states and 4575 transitions. [2023-04-03 08:12:23,783 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 08:12:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3539 states and 4575 transitions. [2023-04-03 08:12:23,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-03 08:12:23,790 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:12:23,791 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] [2023-04-03 08:12:23,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 08:12:23,791 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 08:12:23,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:12:23,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1299962679, now seen corresponding path program 1 times [2023-04-03 08:12:23,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:12:23,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874946804] [2023-04-03 08:12:23,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:12:23,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:12:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:12:24,206 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 08:12:24,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:12:24,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874946804] [2023-04-03 08:12:24,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874946804] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:12:24,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:12:24,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:12:24,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546776844] [2023-04-03 08:12:24,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:12:24,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:12:24,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:12:24,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:12:24,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:12:24,214 INFO L87 Difference]: Start difference. First operand 3539 states and 4575 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 08:12:26,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:12:26,197 INFO L93 Difference]: Finished difference Result 10407 states and 13527 transitions. [2023-04-03 08:12:26,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:12:26,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 133 [2023-04-03 08:12:26,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:12:26,248 INFO L225 Difference]: With dead ends: 10407 [2023-04-03 08:12:26,249 INFO L226 Difference]: Without dead ends: 6900 [2023-04-03 08:12:26,268 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 08:12:26,269 INFO L413 NwaCegarLoop]: 2154 mSDtfsCounter, 2328 mSDsluCounter, 2060 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2328 SdHoareTripleChecker+Valid, 4214 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 08:12:26,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2328 Valid, 4214 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 08:12:26,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6900 states. [2023-04-03 08:12:26,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6900 to 6858. [2023-04-03 08:12:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6858 states, 3726 states have (on average 1.2106816961889426) internal successors, (4511), 3865 states have internal predecessors, (4511), 2192 states have call successors, (2192), 957 states have call predecessors, (2192), 937 states have return successors, (2223), 2106 states have call predecessors, (2223), 2187 states have call successors, (2223) [2023-04-03 08:12:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6858 states to 6858 states and 8926 transitions. [2023-04-03 08:12:26,768 INFO L78 Accepts]: Start accepts. Automaton has 6858 states and 8926 transitions. Word has length 133 [2023-04-03 08:12:26,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:12:26,769 INFO L495 AbstractCegarLoop]: Abstraction has 6858 states and 8926 transitions. [2023-04-03 08:12:26,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 08:12:26,770 INFO L276 IsEmpty]: Start isEmpty. Operand 6858 states and 8926 transitions. [2023-04-03 08:12:26,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-03 08:12:26,774 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:12:26,774 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 08:12:26,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 08:12:26,774 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 08:12:26,775 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:12:26,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1643036203, now seen corresponding path program 1 times [2023-04-03 08:12:26,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:12:26,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960840563] [2023-04-03 08:12:26,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:12:26,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:12:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:12:27,142 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 08:12:27,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:12:27,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960840563] [2023-04-03 08:12:27,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960840563] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:12:27,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:12:27,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:12:27,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884938516] [2023-04-03 08:12:27,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:12:27,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:12:27,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:12:27,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:12:27,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:12:27,145 INFO L87 Difference]: Start difference. First operand 6858 states and 8926 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 08:12:29,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:12:29,435 INFO L93 Difference]: Finished difference Result 19804 states and 25790 transitions. [2023-04-03 08:12:29,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:12:29,435 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 08:12:29,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:12:29,535 INFO L225 Difference]: With dead ends: 19804 [2023-04-03 08:12:29,535 INFO L226 Difference]: Without dead ends: 12978 [2023-04-03 08:12:29,576 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 08:12:29,580 INFO L413 NwaCegarLoop]: 2178 mSDtfsCounter, 2178 mSDsluCounter, 2040 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2178 SdHoareTripleChecker+Valid, 4218 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 08:12:29,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2178 Valid, 4218 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 08:12:29,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12978 states. [2023-04-03 08:12:30,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12978 to 12920. [2023-04-03 08:12:30,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12920 states, 7036 states have (on average 1.2104889141557704) internal successors, (8517), 7307 states have internal predecessors, (8517), 4106 states have call successors, (4106), 1829 states have call predecessors, (4106), 1775 states have return successors, (4191), 3920 states have call predecessors, (4191), 4101 states have call successors, (4191) [2023-04-03 08:12:30,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12920 states to 12920 states and 16814 transitions. [2023-04-03 08:12:30,393 INFO L78 Accepts]: Start accepts. Automaton has 12920 states and 16814 transitions. Word has length 138 [2023-04-03 08:12:30,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:12:30,394 INFO L495 AbstractCegarLoop]: Abstraction has 12920 states and 16814 transitions. [2023-04-03 08:12:30,394 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 08:12:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 12920 states and 16814 transitions. [2023-04-03 08:12:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-03 08:12:30,397 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:12:30,397 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 08:12:30,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 08:12:30,397 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 08:12:30,398 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:12:30,398 INFO L85 PathProgramCache]: Analyzing trace with hash -133339969, now seen corresponding path program 1 times [2023-04-03 08:12:30,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:12:30,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649038512] [2023-04-03 08:12:30,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:12:30,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:12:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:12:30,726 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 08:12:30,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:12:30,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649038512] [2023-04-03 08:12:30,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649038512] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:12:30,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:12:30,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:12:30,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179496593] [2023-04-03 08:12:30,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:12:30,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:12:30,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:12:30,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:12:30,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:12:30,729 INFO L87 Difference]: Start difference. First operand 12920 states and 16814 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 08:12:33,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:12:33,088 INFO L93 Difference]: Finished difference Result 25010 states and 32584 transitions. [2023-04-03 08:12:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:12:33,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 138 [2023-04-03 08:12:33,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:12:33,173 INFO L225 Difference]: With dead ends: 25010 [2023-04-03 08:12:33,173 INFO L226 Difference]: Without dead ends: 12122 [2023-04-03 08:12:33,238 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 08:12:33,240 INFO L413 NwaCegarLoop]: 2363 mSDtfsCounter, 1472 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1472 SdHoareTripleChecker+Valid, 4438 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-03 08:12:33,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1472 Valid, 4438 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-03 08:12:33,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12122 states. [2023-04-03 08:12:33,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12122 to 12066. [2023-04-03 08:12:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12066 states, 6705 states have (on average 1.219090231170768) internal successors, (8174), 6983 states have internal predecessors, (8174), 3689 states have call successors, (3689), 1713 states have call predecessors, (3689), 1669 states have return successors, (3763), 3503 states have call predecessors, (3763), 3684 states have call successors, (3763) [2023-04-03 08:12:33,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12066 states to 12066 states and 15626 transitions. [2023-04-03 08:12:33,999 INFO L78 Accepts]: Start accepts. Automaton has 12066 states and 15626 transitions. Word has length 138 [2023-04-03 08:12:34,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:12:34,001 INFO L495 AbstractCegarLoop]: Abstraction has 12066 states and 15626 transitions. [2023-04-03 08:12:34,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 08:12:34,002 INFO L276 IsEmpty]: Start isEmpty. Operand 12066 states and 15626 transitions. [2023-04-03 08:12:34,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-03 08:12:34,005 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:12:34,005 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, 1, 1, 1] [2023-04-03 08:12:34,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 08:12:34,006 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 08:12:34,006 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:12:34,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1291872717, now seen corresponding path program 1 times [2023-04-03 08:12:34,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:12:34,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964572808] [2023-04-03 08:12:34,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:12:34,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:12:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:12:34,358 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 08:12:34,358 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:12:34,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964572808] [2023-04-03 08:12:34,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964572808] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:12:34,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:12:34,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:12:34,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910078990] [2023-04-03 08:12:34,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:12:34,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:12:34,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:12:34,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:12:34,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:12:34,360 INFO L87 Difference]: Start difference. First operand 12066 states and 15626 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 08:12:36,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:12:36,835 INFO L93 Difference]: Finished difference Result 31331 states and 40672 transitions. [2023-04-03 08:12:36,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:12:36,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 141 [2023-04-03 08:12:36,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:12:36,946 INFO L225 Difference]: With dead ends: 31331 [2023-04-03 08:12:36,947 INFO L226 Difference]: Without dead ends: 19297 [2023-04-03 08:12:36,998 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 08:12:36,999 INFO L413 NwaCegarLoop]: 2134 mSDtfsCounter, 2112 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2112 SdHoareTripleChecker+Valid, 4181 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 08:12:36,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2112 Valid, 4181 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 08:12:37,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19297 states. [2023-04-03 08:12:37,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19297 to 19251. [2023-04-03 08:12:37,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19251 states, 10598 states have (on average 1.2112662766559728) internal successors, (12837), 11059 states have internal predecessors, (12837), 5966 states have call successors, (5966), 2772 states have call predecessors, (5966), 2684 states have return successors, (6159), 5621 states have call predecessors, (6159), 5961 states have call successors, (6159) [2023-04-03 08:12:38,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19251 states to 19251 states and 24962 transitions. [2023-04-03 08:12:38,013 INFO L78 Accepts]: Start accepts. Automaton has 19251 states and 24962 transitions. Word has length 141 [2023-04-03 08:12:38,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:12:38,014 INFO L495 AbstractCegarLoop]: Abstraction has 19251 states and 24962 transitions. [2023-04-03 08:12:38,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 08:12:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 19251 states and 24962 transitions. [2023-04-03 08:12:38,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-04-03 08:12:38,016 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:12:38,016 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 08:12:38,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 08:12:38,017 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 08:12:38,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:12:38,017 INFO L85 PathProgramCache]: Analyzing trace with hash -370121436, now seen corresponding path program 1 times [2023-04-03 08:12:38,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:12:38,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243054787] [2023-04-03 08:12:38,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:12:38,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:12:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:12:38,300 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 08:12:38,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:12:38,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243054787] [2023-04-03 08:12:38,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243054787] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:12:38,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:12:38,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:12:38,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285170207] [2023-04-03 08:12:38,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:12:38,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:12:38,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:12:38,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:12:38,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:12:38,302 INFO L87 Difference]: Start difference. First operand 19251 states and 24962 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 08:12:47,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:12:47,992 INFO L93 Difference]: Finished difference Result 56460 states and 73253 transitions. [2023-04-03 08:12:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 08:12:47,992 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 08:12:47,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:12:48,214 INFO L225 Difference]: With dead ends: 56460 [2023-04-03 08:12:48,214 INFO L226 Difference]: Without dead ends: 37241 [2023-04-03 08:12:48,309 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 08:12:48,310 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 3930 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 7699 mSolverCounterSat, 2181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4516 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 9880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2181 IncrementalHoareTripleChecker+Valid, 7699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-04-03 08:12:48,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4516 Valid, 190 Invalid, 9880 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2181 Valid, 7699 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-04-03 08:12:48,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37241 states. [2023-04-03 08:12:50,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37241 to 37135. [2023-04-03 08:12:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37135 states, 20453 states have (on average 1.2105314623771575) internal successors, (24759), 21396 states have internal predecessors, (24759), 11459 states have call successors, (11459), 5335 states have call predecessors, (11459), 5220 states have return successors, (11907), 10794 states have call predecessors, (11907), 11454 states have call successors, (11907) [2023-04-03 08:12:50,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37135 states to 37135 states and 48125 transitions. [2023-04-03 08:12:50,536 INFO L78 Accepts]: Start accepts. Automaton has 37135 states and 48125 transitions. Word has length 166 [2023-04-03 08:12:50,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:12:50,537 INFO L495 AbstractCegarLoop]: Abstraction has 37135 states and 48125 transitions. [2023-04-03 08:12:50,537 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 08:12:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 37135 states and 48125 transitions. [2023-04-03 08:12:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-04-03 08:12:50,540 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:12:50,540 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:12:50,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 08:12:50,540 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 08:12:50,540 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:12:50,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1608613350, now seen corresponding path program 1 times [2023-04-03 08:12:50,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:12:50,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483397652] [2023-04-03 08:12:50,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:12:50,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:12:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:12:50,782 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2023-04-03 08:12:50,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:12:50,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483397652] [2023-04-03 08:12:50,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483397652] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:12:50,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:12:50,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-03 08:12:50,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086271044] [2023-04-03 08:12:50,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:12:50,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-03 08:12:50,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:12:50,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-03 08:12:50,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-03 08:12:50,784 INFO L87 Difference]: Start difference. First operand 37135 states and 48125 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2023-04-03 08:12:55,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:12:55,373 INFO L93 Difference]: Finished difference Result 74143 states and 96252 transitions. [2023-04-03 08:12:55,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:12:55,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 202 [2023-04-03 08:12:55,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:12:55,585 INFO L225 Difference]: With dead ends: 74143 [2023-04-03 08:12:55,585 INFO L226 Difference]: Without dead ends: 37103 [2023-04-03 08:12:55,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-03 08:12:55,715 INFO L413 NwaCegarLoop]: 2115 mSDtfsCounter, 2381 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2381 SdHoareTripleChecker+Valid, 3033 SdHoareTripleChecker+Invalid, 1756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-04-03 08:12:55,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2381 Valid, 3033 Invalid, 1756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-04-03 08:12:55,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37103 states. [2023-04-03 08:12:57,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37103 to 37103. [2023-04-03 08:12:57,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37103 states, 20421 states have (on average 1.204593310807502) internal successors, (24599), 21364 states have internal predecessors, (24599), 11459 states have call successors, (11459), 5335 states have call predecessors, (11459), 5220 states have return successors, (11907), 10794 states have call predecessors, (11907), 11454 states have call successors, (11907) [2023-04-03 08:12:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37103 states to 37103 states and 47965 transitions. [2023-04-03 08:12:57,838 INFO L78 Accepts]: Start accepts. Automaton has 37103 states and 47965 transitions. Word has length 202 [2023-04-03 08:12:57,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:12:57,838 INFO L495 AbstractCegarLoop]: Abstraction has 37103 states and 47965 transitions. [2023-04-03 08:12:57,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2023-04-03 08:12:57,839 INFO L276 IsEmpty]: Start isEmpty. Operand 37103 states and 47965 transitions. [2023-04-03 08:12:57,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-03 08:12:57,841 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:12:57,841 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:12:57,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 08:12:57,842 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 08:12:57,842 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:12:57,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1429123312, now seen corresponding path program 1 times [2023-04-03 08:12:57,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:12:57,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061798708] [2023-04-03 08:12:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:12:57,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:12:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:12:58,248 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 08:12:58,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:12:58,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061798708] [2023-04-03 08:12:58,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061798708] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:12:58,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:12:58,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:12:58,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900187885] [2023-04-03 08:12:58,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:12:58,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:12:58,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:12:58,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:12:58,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:12:58,250 INFO L87 Difference]: Start difference. First operand 37103 states and 47965 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 08:13:01,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:13:01,741 INFO L93 Difference]: Finished difference Result 37109 states and 47970 transitions. [2023-04-03 08:13:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:13:01,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 204 [2023-04-03 08:13:01,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:13:01,969 INFO L225 Difference]: With dead ends: 37109 [2023-04-03 08:13:01,970 INFO L226 Difference]: Without dead ends: 37107 [2023-04-03 08:13:01,994 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 08:13:01,996 INFO L413 NwaCegarLoop]: 2115 mSDtfsCounter, 2367 mSDsluCounter, 4217 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2379 SdHoareTripleChecker+Valid, 6332 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-04-03 08:13:01,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2379 Valid, 6332 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-04-03 08:13:02,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37107 states. [2023-04-03 08:13:03,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37107 to 37107. [2023-04-03 08:13:03,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37107 states, 20424 states have (on average 1.204563258911085) internal successors, (24602), 21367 states have internal predecessors, (24602), 11459 states have call successors, (11459), 5336 states have call predecessors, (11459), 5221 states have return successors, (11907), 10794 states have call predecessors, (11907), 11454 states have call successors, (11907) [2023-04-03 08:13:04,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37107 states to 37107 states and 47968 transitions. [2023-04-03 08:13:04,056 INFO L78 Accepts]: Start accepts. Automaton has 37107 states and 47968 transitions. Word has length 204 [2023-04-03 08:13:04,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:13:04,057 INFO L495 AbstractCegarLoop]: Abstraction has 37107 states and 47968 transitions. [2023-04-03 08:13:04,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 08:13:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 37107 states and 47968 transitions. [2023-04-03 08:13:04,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-04-03 08:13:04,060 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:13:04,060 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:13:04,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 08:13:04,060 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 08:13:04,061 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:13:04,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1438662865, now seen corresponding path program 1 times [2023-04-03 08:13:04,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:13:04,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753725392] [2023-04-03 08:13:04,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:13:04,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:13:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:13:04,442 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 08:13:04,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:13:04,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753725392] [2023-04-03 08:13:04,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753725392] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:13:04,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:13:04,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:13:04,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150447557] [2023-04-03 08:13:04,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:13:04,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:13:04,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:13:04,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:13:04,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:13:04,446 INFO L87 Difference]: Start difference. First operand 37107 states and 47968 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 08:13:08,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:13:08,048 INFO L93 Difference]: Finished difference Result 37113 states and 47973 transitions. [2023-04-03 08:13:08,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:13:08,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 209 [2023-04-03 08:13:08,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:13:08,189 INFO L225 Difference]: With dead ends: 37113 [2023-04-03 08:13:08,189 INFO L226 Difference]: Without dead ends: 37111 [2023-04-03 08:13:08,217 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 08:13:08,220 INFO L413 NwaCegarLoop]: 2118 mSDtfsCounter, 2362 mSDsluCounter, 4217 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2373 SdHoareTripleChecker+Valid, 6335 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-03 08:13:08,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2373 Valid, 6335 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-03 08:13:08,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37111 states. [2023-04-03 08:13:10,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37111 to 37111. [2023-04-03 08:13:10,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37111 states, 20427 states have (on average 1.204533215841778) internal successors, (24605), 21370 states have internal predecessors, (24605), 11459 states have call successors, (11459), 5337 states have call predecessors, (11459), 5222 states have return successors, (11907), 10794 states have call predecessors, (11907), 11454 states have call successors, (11907) [2023-04-03 08:13:10,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37111 states to 37111 states and 47971 transitions. [2023-04-03 08:13:10,229 INFO L78 Accepts]: Start accepts. Automaton has 37111 states and 47971 transitions. Word has length 209 [2023-04-03 08:13:10,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:13:10,230 INFO L495 AbstractCegarLoop]: Abstraction has 37111 states and 47971 transitions. [2023-04-03 08:13:10,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 08:13:10,230 INFO L276 IsEmpty]: Start isEmpty. Operand 37111 states and 47971 transitions. [2023-04-03 08:13:10,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-04-03 08:13:10,233 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:13:10,234 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:13:10,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 08:13:10,234 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 08:13:10,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:13:10,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1935319600, now seen corresponding path program 1 times [2023-04-03 08:13:10,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:13:10,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424677822] [2023-04-03 08:13:10,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:13:10,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:13:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:13:10,599 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 08:13:10,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:13:10,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424677822] [2023-04-03 08:13:10,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424677822] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:13:10,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:13:10,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:13:10,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684612343] [2023-04-03 08:13:10,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:13:10,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:13:10,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:13:10,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:13:10,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:13:10,602 INFO L87 Difference]: Start difference. First operand 37111 states and 47971 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 08:13:14,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:13:14,241 INFO L93 Difference]: Finished difference Result 37117 states and 47976 transitions. [2023-04-03 08:13:14,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:13:14,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 214 [2023-04-03 08:13:14,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:13:14,355 INFO L225 Difference]: With dead ends: 37117 [2023-04-03 08:13:14,356 INFO L226 Difference]: Without dead ends: 37115 [2023-04-03 08:13:14,376 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 08:13:14,377 INFO L413 NwaCegarLoop]: 2118 mSDtfsCounter, 2362 mSDsluCounter, 4217 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2372 SdHoareTripleChecker+Valid, 6335 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 08:13:14,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2372 Valid, 6335 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 08:13:14,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37115 states. [2023-04-03 08:13:16,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37115 to 37115. [2023-04-03 08:13:16,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37115 states, 20430 states have (on average 1.2045031815956926) internal successors, (24608), 21373 states have internal predecessors, (24608), 11459 states have call successors, (11459), 5338 states have call predecessors, (11459), 5223 states have return successors, (11907), 10794 states have call predecessors, (11907), 11454 states have call successors, (11907) [2023-04-03 08:13:16,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37115 states to 37115 states and 47974 transitions. [2023-04-03 08:13:16,451 INFO L78 Accepts]: Start accepts. Automaton has 37115 states and 47974 transitions. Word has length 214 [2023-04-03 08:13:16,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:13:16,451 INFO L495 AbstractCegarLoop]: Abstraction has 37115 states and 47974 transitions. [2023-04-03 08:13:16,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 08:13:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 37115 states and 47974 transitions. [2023-04-03 08:13:16,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-04-03 08:13:16,454 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:13:16,455 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:13:16,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 08:13:16,455 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 08:13:16,455 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:13:16,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1469608049, now seen corresponding path program 1 times [2023-04-03 08:13:16,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:13:16,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355828824] [2023-04-03 08:13:16,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:13:16,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:13:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:13:16,806 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 08:13:16,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:13:16,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355828824] [2023-04-03 08:13:16,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355828824] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:13:16,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:13:16,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:13:16,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235962468] [2023-04-03 08:13:16,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:13:16,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:13:16,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:13:16,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:13:16,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:13:16,809 INFO L87 Difference]: Start difference. First operand 37115 states and 47974 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 08:13:20,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:13:20,305 INFO L93 Difference]: Finished difference Result 37121 states and 47979 transitions. [2023-04-03 08:13:20,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:13:20,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 219 [2023-04-03 08:13:20,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:13:20,442 INFO L225 Difference]: With dead ends: 37121 [2023-04-03 08:13:20,442 INFO L226 Difference]: Without dead ends: 37119 [2023-04-03 08:13:20,468 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 08:13:20,469 INFO L413 NwaCegarLoop]: 2118 mSDtfsCounter, 2362 mSDsluCounter, 4217 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2371 SdHoareTripleChecker+Valid, 6335 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 08:13:20,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2371 Valid, 6335 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 08:13:20,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37119 states. [2023-04-03 08:13:22,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37119 to 37119. [2023-04-03 08:13:22,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37119 states, 20433 states have (on average 1.2044731561689423) internal successors, (24611), 21376 states have internal predecessors, (24611), 11459 states have call successors, (11459), 5339 states have call predecessors, (11459), 5224 states have return successors, (11907), 10794 states have call predecessors, (11907), 11454 states have call successors, (11907) [2023-04-03 08:13:22,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37119 states to 37119 states and 47977 transitions. [2023-04-03 08:13:22,617 INFO L78 Accepts]: Start accepts. Automaton has 37119 states and 47977 transitions. Word has length 219 [2023-04-03 08:13:22,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:13:22,618 INFO L495 AbstractCegarLoop]: Abstraction has 37119 states and 47977 transitions. [2023-04-03 08:13:22,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 08:13:22,618 INFO L276 IsEmpty]: Start isEmpty. Operand 37119 states and 47977 transitions. [2023-04-03 08:13:22,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-04-03 08:13:22,622 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:13:22,622 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:13:22,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 08:13:22,623 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 08:13:22,623 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:13:22,623 INFO L85 PathProgramCache]: Analyzing trace with hash -912245424, now seen corresponding path program 1 times [2023-04-03 08:13:22,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:13:22,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951301391] [2023-04-03 08:13:22,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:13:22,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:13:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:13:22,981 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 08:13:22,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:13:22,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951301391] [2023-04-03 08:13:22,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951301391] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:13:22,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:13:22,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:13:22,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756917320] [2023-04-03 08:13:22,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:13:22,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:13:22,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:13:22,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:13:22,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:13:22,983 INFO L87 Difference]: Start difference. First operand 37119 states and 47977 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 08:13:26,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:13:26,948 INFO L93 Difference]: Finished difference Result 37125 states and 47982 transitions. [2023-04-03 08:13:26,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:13:26,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 224 [2023-04-03 08:13:26,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:13:27,064 INFO L225 Difference]: With dead ends: 37125 [2023-04-03 08:13:27,064 INFO L226 Difference]: Without dead ends: 37123 [2023-04-03 08:13:27,083 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 08:13:27,084 INFO L413 NwaCegarLoop]: 2118 mSDtfsCounter, 2362 mSDsluCounter, 4217 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2370 SdHoareTripleChecker+Valid, 6335 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-03 08:13:27,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2370 Valid, 6335 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-03 08:13:27,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37123 states. [2023-04-03 08:13:29,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37123 to 37123. [2023-04-03 08:13:29,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37123 states, 20436 states have (on average 1.2044431395576434) internal successors, (24614), 21379 states have internal predecessors, (24614), 11459 states have call successors, (11459), 5340 states have call predecessors, (11459), 5225 states have return successors, (11907), 10794 states have call predecessors, (11907), 11454 states have call successors, (11907) [2023-04-03 08:13:29,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37123 states to 37123 states and 47980 transitions. [2023-04-03 08:13:29,500 INFO L78 Accepts]: Start accepts. Automaton has 37123 states and 47980 transitions. Word has length 224 [2023-04-03 08:13:29,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:13:29,500 INFO L495 AbstractCegarLoop]: Abstraction has 37123 states and 47980 transitions. [2023-04-03 08:13:29,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 08:13:29,501 INFO L276 IsEmpty]: Start isEmpty. Operand 37123 states and 47980 transitions. [2023-04-03 08:13:29,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-04-03 08:13:29,504 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:13:29,504 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:13:29,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 08:13:29,505 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 08:13:29,505 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:13:29,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1472581745, now seen corresponding path program 1 times [2023-04-03 08:13:29,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:13:29,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602451672] [2023-04-03 08:13:29,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:13:29,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:13:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:13:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2023-04-03 08:13:29,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:13:29,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602451672] [2023-04-03 08:13:29,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602451672] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:13:29,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:13:29,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:13:29,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466510850] [2023-04-03 08:13:29,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:13:29,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:13:29,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:13:29,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:13:29,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:13:29,820 INFO L87 Difference]: Start difference. First operand 37123 states and 47980 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 08:13:34,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:13:34,283 INFO L93 Difference]: Finished difference Result 86199 states and 111680 transitions. [2023-04-03 08:13:34,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:13:34,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 228 [2023-04-03 08:13:34,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:13:34,484 INFO L225 Difference]: With dead ends: 86199 [2023-04-03 08:13:34,485 INFO L226 Difference]: Without dead ends: 49171 [2023-04-03 08:13:34,594 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 08:13:34,594 INFO L413 NwaCegarLoop]: 2955 mSDtfsCounter, 1452 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 5028 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 08:13:34,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 5028 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 08:13:34,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49171 states. [2023-04-03 08:13:38,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49171 to 48999. [2023-04-03 08:13:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48999 states, 27172 states have (on average 1.2063153245988518) internal successors, (32778), 28453 states have internal predecessors, (32778), 14945 states have call successors, (14945), 7046 states have call predecessors, (14945), 6879 states have return successors, (15537), 14024 states have call predecessors, (15537), 14940 states have call successors, (15537) [2023-04-03 08:13:38,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48999 states to 48999 states and 63260 transitions. [2023-04-03 08:13:38,437 INFO L78 Accepts]: Start accepts. Automaton has 48999 states and 63260 transitions. Word has length 228 [2023-04-03 08:13:38,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:13:38,438 INFO L495 AbstractCegarLoop]: Abstraction has 48999 states and 63260 transitions. [2023-04-03 08:13:38,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 08:13:38,439 INFO L276 IsEmpty]: Start isEmpty. Operand 48999 states and 63260 transitions. [2023-04-03 08:13:38,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-04-03 08:13:38,442 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:13:38,443 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 6, 5, 5, 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, 1, 1] [2023-04-03 08:13:38,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 08:13:38,443 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 08:13:38,443 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:13:38,443 INFO L85 PathProgramCache]: Analyzing trace with hash 725620719, now seen corresponding path program 1 times [2023-04-03 08:13:38,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:13:38,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378529775] [2023-04-03 08:13:38,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:13:38,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:13:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:13:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2023-04-03 08:13:39,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:13:39,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378529775] [2023-04-03 08:13:39,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378529775] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:13:39,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:13:39,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:13:39,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411352893] [2023-04-03 08:13:39,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:13:39,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:13:39,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:13:39,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:13:39,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:13:39,018 INFO L87 Difference]: Start difference. First operand 48999 states and 63260 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 08:13:43,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:13:43,261 INFO L93 Difference]: Finished difference Result 49005 states and 63265 transitions. [2023-04-03 08:13:43,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:13:43,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 229 [2023-04-03 08:13:43,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:13:43,413 INFO L225 Difference]: With dead ends: 49005 [2023-04-03 08:13:43,413 INFO L226 Difference]: Without dead ends: 49003 [2023-04-03 08:13:43,439 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 08:13:43,440 INFO L413 NwaCegarLoop]: 2118 mSDtfsCounter, 2362 mSDsluCounter, 4217 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2369 SdHoareTripleChecker+Valid, 6335 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-03 08:13:43,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2369 Valid, 6335 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-03 08:13:43,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49003 states. [2023-04-03 08:13:46,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49003 to 49003. [2023-04-03 08:13:46,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49003 states, 27175 states have (on average 1.206292548298068) internal successors, (32781), 28456 states have internal predecessors, (32781), 14945 states have call successors, (14945), 7047 states have call predecessors, (14945), 6880 states have return successors, (15537), 14024 states have call predecessors, (15537), 14940 states have call successors, (15537) [2023-04-03 08:13:46,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49003 states to 49003 states and 63263 transitions. [2023-04-03 08:13:46,877 INFO L78 Accepts]: Start accepts. Automaton has 49003 states and 63263 transitions. Word has length 229 [2023-04-03 08:13:46,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:13:46,878 INFO L495 AbstractCegarLoop]: Abstraction has 49003 states and 63263 transitions. [2023-04-03 08:13:46,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 08:13:46,878 INFO L276 IsEmpty]: Start isEmpty. Operand 49003 states and 63263 transitions. [2023-04-03 08:13:46,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-03 08:13:46,881 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:13:46,882 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:13:46,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 08:13:46,882 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 08:13:46,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:13:46,882 INFO L85 PathProgramCache]: Analyzing trace with hash 82321520, now seen corresponding path program 1 times [2023-04-03 08:13:46,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:13:46,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008129513] [2023-04-03 08:13:46,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:13:46,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:13:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:13:47,193 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 08:13:47,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:13:47,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008129513] [2023-04-03 08:13:47,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008129513] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:13:47,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:13:47,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:13:47,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717050938] [2023-04-03 08:13:47,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:13:47,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:13:47,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:13:47,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:13:47,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:13:47,195 INFO L87 Difference]: Start difference. First operand 49003 states and 63263 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 08:13:51,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:13:51,574 INFO L93 Difference]: Finished difference Result 49009 states and 63268 transitions. [2023-04-03 08:13:51,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:13:51,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 234 [2023-04-03 08:13:51,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:13:51,744 INFO L225 Difference]: With dead ends: 49009 [2023-04-03 08:13:51,744 INFO L226 Difference]: Without dead ends: 49007 [2023-04-03 08:13:51,782 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 08:13:51,782 INFO L413 NwaCegarLoop]: 2118 mSDtfsCounter, 2362 mSDsluCounter, 4217 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2368 SdHoareTripleChecker+Valid, 6335 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 08:13:51,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2368 Valid, 6335 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 08:13:51,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49007 states. [2023-04-03 08:13:54,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49007 to 49007. [2023-04-03 08:13:54,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49007 states, 27178 states have (on average 1.2062697770255353) internal successors, (32784), 28459 states have internal predecessors, (32784), 14945 states have call successors, (14945), 7048 states have call predecessors, (14945), 6881 states have return successors, (15537), 14024 states have call predecessors, (15537), 14940 states have call successors, (15537) [2023-04-03 08:13:55,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49007 states to 49007 states and 63266 transitions. [2023-04-03 08:13:55,150 INFO L78 Accepts]: Start accepts. Automaton has 49007 states and 63266 transitions. Word has length 234 [2023-04-03 08:13:55,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:13:55,151 INFO L495 AbstractCegarLoop]: Abstraction has 49007 states and 63266 transitions. [2023-04-03 08:13:55,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 08:13:55,151 INFO L276 IsEmpty]: Start isEmpty. Operand 49007 states and 63266 transitions. [2023-04-03 08:13:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-04-03 08:13:55,155 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:13:55,155 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 8, 7, 7, 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, 1, 1, 1, 1, 1] [2023-04-03 08:13:55,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 08:13:55,155 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 08:13:55,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:13:55,156 INFO L85 PathProgramCache]: Analyzing trace with hash 951206510, now seen corresponding path program 1 times [2023-04-03 08:13:55,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:13:55,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737793134] [2023-04-03 08:13:55,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:13:55,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:13:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:13:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-04-03 08:13:55,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:13:55,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737793134] [2023-04-03 08:13:55,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737793134] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:13:55,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:13:55,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:13:55,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631111310] [2023-04-03 08:13:55,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:13:55,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:13:55,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:13:55,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:13:55,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:13:55,606 INFO L87 Difference]: Start difference. First operand 49007 states and 63266 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 08:14:00,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:14:00,927 INFO L93 Difference]: Finished difference Result 53781 states and 68785 transitions. [2023-04-03 08:14:00,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:14:00,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 264 [2023-04-03 08:14:00,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:14:01,144 INFO L225 Difference]: With dead ends: 53781 [2023-04-03 08:14:01,144 INFO L226 Difference]: Without dead ends: 53779 [2023-04-03 08:14:01,180 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 08:14:01,181 INFO L413 NwaCegarLoop]: 2403 mSDtfsCounter, 1950 mSDsluCounter, 5560 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 7963 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-03 08:14:01,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1955 Valid, 7963 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-03 08:14:01,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53779 states. [2023-04-03 08:14:05,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53779 to 53779. [2023-04-03 08:14:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53779 states, 29719 states have (on average 1.2010161849321983) internal successors, (35693), 31072 states have internal predecessors, (35693), 16249 states have call successors, (16249), 7975 states have call predecessors, (16249), 7808 states have return successors, (16841), 15320 states have call predecessors, (16841), 16244 states have call successors, (16841) [2023-04-03 08:14:05,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53779 states to 53779 states and 68783 transitions. [2023-04-03 08:14:05,301 INFO L78 Accepts]: Start accepts. Automaton has 53779 states and 68783 transitions. Word has length 264 [2023-04-03 08:14:05,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:14:05,301 INFO L495 AbstractCegarLoop]: Abstraction has 53779 states and 68783 transitions. [2023-04-03 08:14:05,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 08:14:05,302 INFO L276 IsEmpty]: Start isEmpty. Operand 53779 states and 68783 transitions. [2023-04-03 08:14:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-04-03 08:14:05,306 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:14:05,307 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:14:05,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 08:14:05,307 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 08:14:05,307 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:14:05,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1376743499, now seen corresponding path program 1 times [2023-04-03 08:14:05,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:14:05,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237668871] [2023-04-03 08:14:05,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:14:05,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:14:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:14:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2023-04-03 08:14:05,742 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:14:05,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237668871] [2023-04-03 08:14:05,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237668871] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:14:05,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:14:05,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:14:05,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663456633] [2023-04-03 08:14:05,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:14:05,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:14:05,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:14:05,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:14:05,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:14:05,744 INFO L87 Difference]: Start difference. First operand 53779 states and 68783 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46)