/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_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 08:57:37,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 08:57:37,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 08:57:37,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 08:57:37,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 08:57:37,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 08:57:37,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 08:57:37,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 08:57:37,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 08:57:37,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 08:57:37,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 08:57:37,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 08:57:37,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 08:57:37,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 08:57:37,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 08:57:37,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 08:57:37,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 08:57:37,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 08:57:37,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 08:57:37,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 08:57:37,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 08:57:37,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 08:57:37,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 08:57:37,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 08:57:37,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 08:57:37,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 08:57:37,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 08:57:37,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 08:57:37,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 08:57:37,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 08:57:37,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 08:57:37,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 08:57:37,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 08:57:37,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 08:57:37,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 08:57:37,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 08:57:37,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 08:57:37,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 08:57:37,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 08:57:37,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 08:57:37,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 08:57:37,420 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 08:57:37,449 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 08:57:37,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 08:57:37,450 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 08:57:37,450 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 08:57:37,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 08:57:37,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 08:57:37,451 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 08:57:37,451 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 08:57:37,451 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 08:57:37,451 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 08:57:37,452 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 08:57:37,452 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 08:57:37,452 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 08:57:37,452 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 08:57:37,452 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 08:57:37,452 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 08:57:37,452 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 08:57:37,453 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 08:57:37,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 08:57:37,453 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 08:57:37,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 08:57:37,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 08:57:37,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 08:57:37,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 08:57:37,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 08:57:37,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 08:57:37,454 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 08:57:37,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 08:57:37,455 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 08:57:37,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 08:57:37,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 08:57:37,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 08:57:37,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 08:57:37,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 08:57:37,455 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 08:57:37,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 08:57:37,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 08:57:37,456 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 08:57:37,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 08:57:37,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 08:57:37,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 08:57:37,456 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 08:57:37,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 08:57:37,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 08:57:37,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 08:57:37,708 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 08:57:37,709 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 08:57:37,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-04-03 08:57:38,818 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 08:57:39,368 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 08:57:39,368 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-04-03 08:57:39,421 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ce00d05/e290482376e948c98e7b4b84a49ce8a2/FLAG222531dfd [2023-04-03 08:57:39,435 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ce00d05/e290482376e948c98e7b4b84a49ce8a2 [2023-04-03 08:57:39,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 08:57:39,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 08:57:39,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 08:57:39,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 08:57:39,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 08:57:39,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:57:39" (1/1) ... [2023-04-03 08:57:39,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aec7c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:57:39, skipping insertion in model container [2023-04-03 08:57:39,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:57:39" (1/1) ... [2023-04-03 08:57:39,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 08:57:39,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 08:57:43,558 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_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2023-04-03 08:57:43,563 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_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2023-04-03 08:57:43,568 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_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2023-04-03 08:57:43,569 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_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2023-04-03 08:57:43,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 08:57:43,635 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 08:57:43,997 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_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2023-04-03 08:57:43,998 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_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2023-04-03 08:57:43,998 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_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2023-04-03 08:57:43,999 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_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2023-04-03 08:57:44,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 08:57:44,258 WARN L667 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 08:57:44,258 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 08:57:44,264 INFO L208 MainTranslator]: Completed translation [2023-04-03 08:57:44,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:57:44 WrapperNode [2023-04-03 08:57:44,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 08:57:44,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 08:57:44,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 08:57:44,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 08:57:44,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:57:44" (1/1) ... [2023-04-03 08:57:44,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:57:44" (1/1) ... [2023-04-03 08:57:44,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:57:44" (1/1) ... [2023-04-03 08:57:44,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:57:44" (1/1) ... [2023-04-03 08:57:44,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:57:44" (1/1) ... [2023-04-03 08:57:44,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:57:44" (1/1) ... [2023-04-03 08:57:44,615 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:57:44" (1/1) ... [2023-04-03 08:57:44,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:57:44" (1/1) ... [2023-04-03 08:57:44,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 08:57:44,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 08:57:44,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 08:57:44,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 08:57:44,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:57:44" (1/1) ... [2023-04-03 08:57:44,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 08:57:44,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 08:57:44,742 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 08:57:44,759 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 08:57:44,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 08:57:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 08:57:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 08:57:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 08:57:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 08:57:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 08:57:44,772 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 08:57:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2023-04-03 08:57:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-04-03 08:57:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 08:57:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 08:57:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 08:57:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 08:57:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 08:57:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 08:57:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 08:57:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-03 08:57:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 08:57:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 08:57:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 08:57:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2023-04-03 08:57:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2023-04-03 08:57:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 08:57:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 08:57:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 08:57:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 08:57:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 08:57:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-03 08:57:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-04-03 08:57:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-04-03 08:57:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-04-03 08:57:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-04-03 08:57:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 08:57:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 08:57:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 08:57:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2023-04-03 08:57:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-04-03 08:57:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 08:57:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-03 08:57:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 08:57:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 08:57:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 08:57:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-04-03 08:57:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2023-04-03 08:57:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-03 08:57:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-03 08:57:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 08:57:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 08:57:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-03 08:57:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-03 08:57:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-04-03 08:57:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-04-03 08:57:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-04-03 08:57:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2023-04-03 08:57:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2023-04-03 08:57:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-04-03 08:57:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-04-03 08:57:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 08:57:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 08:57:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 08:57:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 08:57:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 08:57:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 08:57:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 08:57:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 08:57:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-03 08:57:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-03 08:57:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 08:57:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-03 08:57:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-04-03 08:57:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_msg_init [2023-04-03 08:57:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2023-04-03 08:57:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2023-04-03 08:57:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2023-04-03 08:57:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_supported [2023-04-03 08:57:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-03 08:57:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-03 08:57:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-03 08:57:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-03 08:57:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-04-03 08:57:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-04-03 08:57:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 08:57:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 08:57:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 08:57:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 08:57:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2023-04-03 08:57:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-04-03 08:57:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2023-04-03 08:57:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-04-03 08:57:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2023-04-03 08:57:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2023-04-03 08:57:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2023-04-03 08:57:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2023-04-03 08:57:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2023-04-03 08:57:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_rap [2023-04-03 08:57:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_rap [2023-04-03 08:57:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2023-04-03 08:57:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_check [2023-04-03 08:57:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2023-04-03 08:57:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2023-04-03 08:57:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2023-04-03 08:57:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2023-04-03 08:57:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_rap [2023-04-03 08:57:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_rap [2023-04-03 08:57:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2023-04-03 08:57:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_check [2023-04-03 08:57:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2023-04-03 08:57:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2023-04-03 08:57:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_realloc_tx_ring [2023-04-03 08:57:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_realloc_rx_ring [2023-04-03 08:57:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2023-04-03 08:57:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2023-04-03 08:57:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_settings [2023-04-03 08:57:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_settings [2023-04-03 08:57:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_drvinfo [2023-04-03 08:57:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_link [2023-04-03 08:57:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_msglevel [2023-04-03 08:57:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_msglevel [2023-04-03 08:57:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2023-04-03 08:57:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_ringparam [2023-04-03 08:57:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_ringparam [2023-04-03 08:57:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_strings [2023-04-03 08:57:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_sset_count [2023-04-03 08:57:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_ethtool_test [2023-04-03 08:57:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_loopback_test [2023-04-03 08:57:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_phys_id [2023-04-03 08:57:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2023-04-03 08:57:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_rx_entry [2023-04-03 08:57:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_rx [2023-04-03 08:57:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx [2023-04-03 08:57:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll [2023-04-03 08:57:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2023-04-03 08:57:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs [2023-04-03 08:57:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe_vlbus [2023-04-03 08:57:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe_pci [2023-04-03 08:57:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2023-04-03 08:57:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_alloc_ring [2023-04-03 08:57:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2023-04-03 08:57:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_start_xmit [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_stats [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_ioctl [2023-04-03 08:57:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_otherphy [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_watchdog [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_suspend [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_module [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_cleanup_module [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_pcnet32_init_module_16_9 [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_3_24 [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_3_27 [2023-04-03 08:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_3_30 [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_3_33 [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_3_36 [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_3_39 [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_3_9 [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_4_24 [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_4_27 [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_4_30 [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_4_33 [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_4_36 [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_4_39 [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_4_9 [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_13_1 [2023-04-03 08:57:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_14_1 [2023-04-03 08:57:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_base_instance_14_16_4 [2023-04-03 08:57:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_7_1 [2023-04-03 08:57:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2023-04-03 08:57:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_8_1 [2023-04-03 08:57:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_12_2 [2023-04-03 08:57:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2023-04-03 08:57:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_15_2 [2023-04-03 08:57:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_base_instance_14_16_5 [2023-04-03 08:57:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 08:57:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_11 [2023-04-03 08:57:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2023-04-03 08:57:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 08:57:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 08:57:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 08:57:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_22 [2023-04-03 08:57:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_25 [2023-04-03 08:57:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_26 [2023-04-03 08:57:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_27 [2023-04-03 08:57:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_28 [2023-04-03 08:57:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2023-04-03 08:57:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 08:57:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_30 [2023-04-03 08:57:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_31 [2023-04-03 08:57:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_32 [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_33 [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_36 [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_39 [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_41 [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_16 [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 08:57:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 08:57:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 08:57:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-04-03 08:57:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 08:57:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2023-04-03 08:57:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2023-04-03 08:57:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2023-04-03 08:57:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 08:57:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 08:57:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 08:57:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 08:57:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2023-04-03 08:57:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-04-03 08:57:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 08:57:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_11_6 [2023-04-03 08:57:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 08:57:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pcnet32_access_base_instance_3 [2023-04-03 08:57:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pcnet32_access_base_instance_4 [2023-04-03 08:57:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2023-04-03 08:57:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2023-04-03 08:57:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 08:57:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_13_2 [2023-04-03 08:57:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_46 [2023-04-03 08:57:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_49 [2023-04-03 08:57:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2023-04-03 08:57:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2023-04-03 08:57:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_62 [2023-04-03 08:57:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2023-04-03 08:57:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_64 [2023-04-03 08:57:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_66 [2023-04-03 08:57:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_68 [2023-04-03 08:57:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_70 [2023-04-03 08:57:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_72 [2023-04-03 08:57:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_74 [2023-04-03 08:57:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_76 [2023-04-03 08:57:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_78 [2023-04-03 08:57:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_80 [2023-04-03 08:57:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_83 [2023-04-03 08:57:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_84 [2023-04-03 08:57:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_86 [2023-04-03 08:57:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_88 [2023-04-03 08:57:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_90 [2023-04-03 08:57:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_91 [2023-04-03 08:57:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_92 [2023-04-03 08:57:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_93 [2023-04-03 08:57:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_94 [2023-04-03 08:57:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_95 [2023-04-03 08:57:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_98 [2023-04-03 08:57:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_99 [2023-04-03 08:57:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_101 [2023-04-03 08:57:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2023-04-03 08:57:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_105 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_106 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_108 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_109 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_111 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_113 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_115 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_117 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_119 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_120 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_121 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_122 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_123 [2023-04-03 08:57:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_124 [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_125 [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 08:57:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 08:57:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 08:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_dma_spin_lock [2023-04-03 08:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_dma_spin_lock [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_dma_spin_lock [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_dma_spin_lock [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_dma_spin_lock [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_dma_spin_lock [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_dma_spin_lock [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_dma_spin_lock [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 08:57:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-04-03 08:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-04-03 08:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_pcnet32_private [2023-04-03 08:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_pcnet32_private [2023-04-03 08:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_pcnet32_private [2023-04-03 08:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_pcnet32_private [2023-04-03 08:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_pcnet32_private [2023-04-03 08:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_pcnet32_private [2023-04-03 08:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 08:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 08:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 08:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 08:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 08:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 08:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 08:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 08:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 08:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 08:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 08:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 08:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 08:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 08:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 08:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 08:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 08:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 08:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_disable_ip [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_enable_ip [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_complete [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 08:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2023-04-03 08:57:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 08:57:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-04-03 08:57:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 08:57:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-04-03 08:57:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 08:57:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 08:57:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2023-04-03 08:57:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2023-04-03 08:57:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 08:57:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 08:57:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-04-03 08:57:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 08:57:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 08:57:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 08:57:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 08:57:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 08:57:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 08:57:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 08:57:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 08:57:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 08:57:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 08:57:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 08:57:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 08:57:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 08:57:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-03 08:57:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 08:57:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 08:57:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 08:57:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-04-03 08:57:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 08:57:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 08:57:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 08:57:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 08:57:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 08:57:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 08:57:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 08:57:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 08:57:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 08:57:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 08:57:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 08:57:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_62 [2023-04-03 08:57:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_64 [2023-04-03 08:57:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_66 [2023-04-03 08:57:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_68 [2023-04-03 08:57:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_70 [2023-04-03 08:57:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_72 [2023-04-03 08:57:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_74 [2023-04-03 08:57:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_76 [2023-04-03 08:57:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_78 [2023-04-03 08:57:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_80 [2023-04-03 08:57:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_83 [2023-04-03 08:57:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_84 [2023-04-03 08:57:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_86 [2023-04-03 08:57:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_88 [2023-04-03 08:57:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_94 [2023-04-03 08:57:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_99 [2023-04-03 08:57:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_101 [2023-04-03 08:57:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_106 [2023-04-03 08:57:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_109 [2023-04-03 08:57:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_111 [2023-04-03 08:57:44,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_113 [2023-04-03 08:57:44,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_115 [2023-04-03 08:57:44,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_117 [2023-04-03 08:57:44,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-04-03 08:57:44,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-04-03 08:57:44,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 08:57:44,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 08:57:44,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 08:57:44,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 08:57:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 08:57:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 08:57:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 08:57:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 08:57:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 08:57:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 08:57:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 08:57:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 08:57:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 08:57:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 08:57:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_disable_ip [2023-04-03 08:57:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2023-04-03 08:57:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_enable_ip [2023-04-03 08:57:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2023-04-03 08:57:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 08:57:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 08:57:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 08:57:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 08:57:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 08:57:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 08:57:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_46 [2023-04-03 08:57:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2023-04-03 08:57:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 08:57:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_49 [2023-04-03 08:57:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2023-04-03 08:57:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 08:57:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2023-04-03 08:57:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 08:57:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-03 08:57:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_95 [2023-04-03 08:57:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_119 [2023-04-03 08:57:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 08:57:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_105 [2023-04-03 08:57:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-04-03 08:57:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-04-03 08:57:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-04-03 08:57:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 08:57:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-03 08:57:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-04-03 08:57:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-04-03 08:57:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-04-03 08:57:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-04-03 08:57:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-04-03 08:57:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 08:57:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2023-04-03 08:57:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2023-04-03 08:57:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 08:57:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-03 08:57:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 08:57:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 08:57:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 08:57:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 08:57:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2023-04-03 08:57:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 08:57:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-04-03 08:57:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 08:57:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-03 08:57:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 08:57:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 08:57:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-03 08:57:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-03 08:57:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2023-04-03 08:57:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2023-04-03 08:57:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 08:57:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 08:57:44,821 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 08:57:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 08:57:44,821 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 08:57:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-04-03 08:57:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 08:57:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2023-04-03 08:57:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2023-04-03 08:57:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-03 08:57:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-03 08:57:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 08:57:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 08:57:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 08:57:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 08:57:44,822 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 08:57:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-03 08:57:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 08:57:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-03 08:57:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 08:57:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 08:57:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 08:57:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-03 08:57:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-04-03 08:57:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 08:57:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-04-03 08:57:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-04-03 08:57:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2023-04-03 08:57:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2023-04-03 08:57:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2023-04-03 08:57:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_complete [2023-04-03 08:57:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-04-03 08:57:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-04-03 08:57:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 08:57:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 08:57:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2023-04-03 08:57:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 08:57:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_92 [2023-04-03 08:57:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_121 [2023-04-03 08:57:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_124 [2023-04-03 08:57:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 08:57:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 08:57:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 08:57:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 08:57:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 08:57:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 08:57:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 08:57:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 08:57:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-03 08:57:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-03 08:57:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 08:57:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-04-03 08:57:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-03 08:57:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2023-04-03 08:57:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-04-03 08:57:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-04-03 08:57:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-04-03 08:57:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-04-03 08:57:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-04-03 08:57:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure netif_msg_init [2023-04-03 08:57:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2023-04-03 08:57:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2023-04-03 08:57:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2023-04-03 08:57:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 08:57:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_91 [2023-04-03 08:57:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 08:57:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_120 [2023-04-03 08:57:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_123 [2023-04-03 08:57:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-04-03 08:57:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-04-03 08:57:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-04-03 08:57:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 08:57:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 08:57:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 08:57:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-04-03 08:57:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-04-03 08:57:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-04-03 08:57:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-04-03 08:57:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 08:57:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_122 [2023-04-03 08:57:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 08:57:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_125 [2023-04-03 08:57:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_supported [2023-04-03 08:57:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-03 08:57:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-03 08:57:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-03 08:57:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-03 08:57:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-04-03 08:57:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-04-03 08:57:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 08:57:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 08:57:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 08:57:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 08:57:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 08:57:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_93 [2023-04-03 08:57:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 08:57:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_98 [2023-04-03 08:57:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_108 [2023-04-03 08:57:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-04-03 08:57:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-04-03 08:57:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2023-04-03 08:57:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2023-04-03 08:57:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-04-03 08:57:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2023-04-03 08:57:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-04-03 08:57:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-04-03 08:57:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2023-04-03 08:57:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2023-04-03 08:57:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-03 08:57:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 08:57:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 08:57:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-04-03 08:57:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 08:57:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 08:57:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_90 [2023-04-03 08:57:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-04-03 08:57:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2023-04-03 08:57:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-04-03 08:57:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2023-04-03 08:57:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe_pci [2023-04-03 08:57:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2023-04-03 08:57:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2023-04-03 08:57:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2023-04-03 08:57:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_start_xmit [2023-04-03 08:57:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2023-04-03 08:57:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2023-04-03 08:57:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2023-04-03 08:57:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_stats [2023-04-03 08:57:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2023-04-03 08:57:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2023-04-03 08:57:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_ioctl [2023-04-03 08:57:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_watchdog [2023-04-03 08:57:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-04-03 08:57:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-04-03 08:57:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2023-04-03 08:57:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_ethtool_test [2023-04-03 08:57:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_loopback_test [2023-04-03 08:57:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2023-04-03 08:57:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs [2023-04-03 08:57:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2023-04-03 08:57:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_alloc_ring [2023-04-03 08:57:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2023-04-03 08:57:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2023-04-03 08:57:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2023-04-03 08:57:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2023-04-03 08:57:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2023-04-03 08:57:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2023-04-03 08:57:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_rap [2023-04-03 08:57:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_rap [2023-04-03 08:57:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2023-04-03 08:57:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_check [2023-04-03 08:57:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2023-04-03 08:57:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2023-04-03 08:57:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2023-04-03 08:57:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2023-04-03 08:57:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_rap [2023-04-03 08:57:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_rap [2023-04-03 08:57:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2023-04-03 08:57:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_check [2023-04-03 08:57:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2023-04-03 08:57:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2023-04-03 08:57:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2023-04-03 08:57:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-04-03 08:57:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_realloc_tx_ring [2023-04-03 08:57:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 08:57:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 08:57:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 08:57:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_realloc_rx_ring [2023-04-03 08:57:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2023-04-03 08:57:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2023-04-03 08:57:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_settings [2023-04-03 08:57:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_settings [2023-04-03 08:57:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_drvinfo [2023-04-03 08:57:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_link [2023-04-03 08:57:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_msglevel [2023-04-03 08:57:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_msglevel [2023-04-03 08:57:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2023-04-03 08:57:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_ringparam [2023-04-03 08:57:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_ringparam [2023-04-03 08:57:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_strings [2023-04-03 08:57:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_sset_count [2023-04-03 08:57:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 08:57:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_phys_id [2023-04-03 08:57:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2023-04-03 08:57:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_rx_entry [2023-04-03 08:57:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_rx [2023-04-03 08:57:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx [2023-04-03 08:57:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll [2023-04-03 08:57:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe_vlbus [2023-04-03 08:57:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_otherphy [2023-04-03 08:57:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_suspend [2023-04-03 08:57:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2023-04-03 08:57:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2023-04-03 08:57:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_module [2023-04-03 08:57:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_cleanup_module [2023-04-03 08:57:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-04-03 08:57:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_pcnet32_init_module_16_9 [2023-04-03 08:57:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2023-04-03 08:57:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2023-04-03 08:57:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_3_24 [2023-04-03 08:57:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_3_27 [2023-04-03 08:57:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_3_30 [2023-04-03 08:57:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_3_33 [2023-04-03 08:57:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_3_36 [2023-04-03 08:57:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_3_39 [2023-04-03 08:57:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_3_9 [2023-04-03 08:57:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_4_24 [2023-04-03 08:57:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_4_27 [2023-04-03 08:57:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_4_30 [2023-04-03 08:57:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_4_33 [2023-04-03 08:57:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_4_36 [2023-04-03 08:57:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_4_39 [2023-04-03 08:57:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_4_9 [2023-04-03 08:57:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-04-03 08:57:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_13_1 [2023-04-03 08:57:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_14_1 [2023-04-03 08:57:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_base_instance_14_16_4 [2023-04-03 08:57:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_7_1 [2023-04-03 08:57:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2023-04-03 08:57:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_8_1 [2023-04-03 08:57:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_12_2 [2023-04-03 08:57:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2023-04-03 08:57:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_15_2 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_base_instance_14_16_5 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_11 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_22 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_25 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_26 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_27 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_28 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 08:57:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_30 [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_31 [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_32 [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_33 [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_36 [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_39 [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_41 [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_16 [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 08:57:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_11_6 [2023-04-03 08:57:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pcnet32_access_base_instance_3 [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pcnet32_access_base_instance_4 [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_13_2 [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 08:57:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 08:57:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 08:57:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_dma_spin_lock [2023-04-03 08:57:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_dma_spin_lock [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_dma_spin_lock [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_dma_spin_lock [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_dma_spin_lock [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_dma_spin_lock [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_dma_spin_lock [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_dma_spin_lock [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 08:57:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_pcnet32_private [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_pcnet32_private [2023-04-03 08:57:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_pcnet32_private [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_pcnet32_private [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_pcnet32_private [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_pcnet32_private [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 08:57:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 08:57:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 08:57:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 08:57:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 08:57:45,926 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 08:57:45,933 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 08:57:49,267 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 08:57:53,095 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 08:57:56,576 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 08:57:56,577 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-04-03 08:57:56,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:57:56 BoogieIcfgContainer [2023-04-03 08:57:56,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 08:57:56,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 08:57:56,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 08:57:56,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 08:57:56,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 08:57:39" (1/3) ... [2023-04-03 08:57:56,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152a265f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:57:56, skipping insertion in model container [2023-04-03 08:57:56,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:57:44" (2/3) ... [2023-04-03 08:57:56,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152a265f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:57:56, skipping insertion in model container [2023-04-03 08:57:56,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:57:56" (3/3) ... [2023-04-03 08:57:56,591 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-04-03 08:57:56,607 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 08:57:56,607 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 08:57:56,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 08:57:56,728 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;@36beae9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 08:57:56,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 08:57:56,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 3433 states, 1850 states have (on average 1.211891891891892) internal successors, (2242), 1962 states have internal predecessors, (2242), 1083 states have call successors, (1083), 388 states have call predecessors, (1083), 387 states have return successors, (1075), 1018 states have call predecessors, (1075), 1075 states have call successors, (1075) [2023-04-03 08:57:56,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-04-03 08:57:56,759 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:57:56,759 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-03 08:57:56,760 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 08:57:56,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:57:56,766 INFO L85 PathProgramCache]: Analyzing trace with hash 600593142, now seen corresponding path program 1 times [2023-04-03 08:57:56,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:57:56,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540529871] [2023-04-03 08:57:56,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:57:56,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:57:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:57:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-03 08:57:58,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:57:58,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540529871] [2023-04-03 08:57:58,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540529871] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:57:58,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:57:58,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 08:57:58,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405855523] [2023-04-03 08:57:58,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:57:58,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 08:57:58,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:57:58,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 08:57:58,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-03 08:57:58,348 INFO L87 Difference]: Start difference. First operand has 3433 states, 1850 states have (on average 1.211891891891892) internal successors, (2242), 1962 states have internal predecessors, (2242), 1083 states have call successors, (1083), 388 states have call predecessors, (1083), 387 states have return successors, (1075), 1018 states have call predecessors, (1075), 1075 states have call successors, (1075) Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-04-03 08:58:03,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:05,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:07,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:10,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:11,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:19,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:23,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:58:23,400 INFO L93 Difference]: Finished difference Result 5895 states and 7980 transitions. [2023-04-03 08:58:23,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 08:58:23,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 79 [2023-04-03 08:58:23,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:58:23,445 INFO L225 Difference]: With dead ends: 5895 [2023-04-03 08:58:23,445 INFO L226 Difference]: Without dead ends: 2979 [2023-04-03 08:58:23,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2023-04-03 08:58:23,472 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 5927 mSDsluCounter, 1547 mSDsCounter, 0 mSdLazyCounter, 9409 mSolverCounterSat, 5718 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5938 SdHoareTripleChecker+Valid, 2315 SdHoareTripleChecker+Invalid, 15132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5718 IncrementalHoareTripleChecker+Valid, 9409 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2023-04-03 08:58:23,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5938 Valid, 2315 Invalid, 15132 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5718 Valid, 9409 Invalid, 5 Unknown, 0 Unchecked, 24.4s Time] [2023-04-03 08:58:23,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2023-04-03 08:58:23,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2969. [2023-04-03 08:58:23,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2969 states, 1626 states have (on average 1.2170971709717098) internal successors, (1979), 1729 states have internal predecessors, (1979), 964 states have call successors, (964), 379 states have call predecessors, (964), 376 states have return successors, (959), 902 states have call predecessors, (959), 959 states have call successors, (959) [2023-04-03 08:58:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2969 states and 3902 transitions. [2023-04-03 08:58:23,753 INFO L78 Accepts]: Start accepts. Automaton has 2969 states and 3902 transitions. Word has length 79 [2023-04-03 08:58:23,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:58:23,756 INFO L495 AbstractCegarLoop]: Abstraction has 2969 states and 3902 transitions. [2023-04-03 08:58:23,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-04-03 08:58:23,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 3902 transitions. [2023-04-03 08:58:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-04-03 08:58:23,766 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:58:23,767 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-03 08:58:23,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 08:58:23,768 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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 08:58:23,768 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:58:23,768 INFO L85 PathProgramCache]: Analyzing trace with hash 588438924, now seen corresponding path program 1 times [2023-04-03 08:58:23,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:58:23,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275425118] [2023-04-03 08:58:23,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:58:23,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:58:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:58:24,233 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-03 08:58:24,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:58:24,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275425118] [2023-04-03 08:58:24,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275425118] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:58:24,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:58:24,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:58:24,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171486798] [2023-04-03 08:58:24,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:58:24,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:58:24,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:58:24,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:58:24,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:58:24,237 INFO L87 Difference]: Start difference. First operand 2969 states and 3902 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 08:58:26,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:28,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:33,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:34,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:58:34,095 INFO L93 Difference]: Finished difference Result 2975 states and 3907 transitions. [2023-04-03 08:58:34,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:58:34,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 84 [2023-04-03 08:58:34,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:58:34,116 INFO L225 Difference]: With dead ends: 2975 [2023-04-03 08:58:34,116 INFO L226 Difference]: Without dead ends: 2973 [2023-04-03 08:58:34,118 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 08:58:34,119 INFO L413 NwaCegarLoop]: 3451 mSDtfsCounter, 3841 mSDsluCounter, 6883 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3852 SdHoareTripleChecker+Valid, 10334 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-04-03 08:58:34,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3852 Valid, 10334 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1260 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2023-04-03 08:58:34,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2973 states. [2023-04-03 08:58:34,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2973 to 2973. [2023-04-03 08:58:34,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2973 states, 1629 states have (on average 1.2166973603437692) internal successors, (1982), 1732 states have internal predecessors, (1982), 964 states have call successors, (964), 380 states have call predecessors, (964), 377 states have return successors, (959), 902 states have call predecessors, (959), 959 states have call successors, (959) [2023-04-03 08:58:34,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 3905 transitions. [2023-04-03 08:58:34,291 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 3905 transitions. Word has length 84 [2023-04-03 08:58:34,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:58:34,294 INFO L495 AbstractCegarLoop]: Abstraction has 2973 states and 3905 transitions. [2023-04-03 08:58:34,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 08:58:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 3905 transitions. [2023-04-03 08:58:34,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-03 08:58:34,296 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:58:34,296 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2023-04-03 08:58:34,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 08:58:34,297 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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 08:58:34,297 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:58:34,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1013356662, now seen corresponding path program 1 times [2023-04-03 08:58:34,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:58:34,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850620789] [2023-04-03 08:58:34,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:58:34,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:58:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:58:34,718 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-04-03 08:58:34,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:58:34,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850620789] [2023-04-03 08:58:34,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850620789] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:58:34,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:58:34,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:58:34,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096300669] [2023-04-03 08:58:34,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:58:34,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:58:34,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:58:34,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:58:34,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:58:34,722 INFO L87 Difference]: Start difference. First operand 2973 states and 3905 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-03 08:58:37,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:39,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:41,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:43,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:58:43,721 INFO L93 Difference]: Finished difference Result 2979 states and 3910 transitions. [2023-04-03 08:58:43,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:58:43,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 89 [2023-04-03 08:58:43,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:58:43,740 INFO L225 Difference]: With dead ends: 2979 [2023-04-03 08:58:43,740 INFO L226 Difference]: Without dead ends: 2977 [2023-04-03 08:58:43,742 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 08:58:43,742 INFO L413 NwaCegarLoop]: 3451 mSDtfsCounter, 3841 mSDsluCounter, 6883 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3851 SdHoareTripleChecker+Valid, 10334 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-03 08:58:43,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3851 Valid, 10334 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1259 Invalid, 3 Unknown, 0 Unchecked, 8.8s Time] [2023-04-03 08:58:43,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2977 states. [2023-04-03 08:58:44,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2977 to 2977. [2023-04-03 08:58:44,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2977 states, 1632 states have (on average 1.2162990196078431) internal successors, (1985), 1735 states have internal predecessors, (1985), 964 states have call successors, (964), 381 states have call predecessors, (964), 378 states have return successors, (959), 902 states have call predecessors, (959), 959 states have call successors, (959) [2023-04-03 08:58:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 2977 states and 3908 transitions. [2023-04-03 08:58:44,043 INFO L78 Accepts]: Start accepts. Automaton has 2977 states and 3908 transitions. Word has length 89 [2023-04-03 08:58:44,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:58:44,045 INFO L495 AbstractCegarLoop]: Abstraction has 2977 states and 3908 transitions. [2023-04-03 08:58:44,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-03 08:58:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2977 states and 3908 transitions. [2023-04-03 08:58:44,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-04-03 08:58:44,048 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:58:44,048 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 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] [2023-04-03 08:58:44,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 08:58:44,048 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:58:44,048 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:58:44,049 INFO L85 PathProgramCache]: Analyzing trace with hash -205375604, now seen corresponding path program 1 times [2023-04-03 08:58:44,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:58:44,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330311000] [2023-04-03 08:58:44,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:58:44,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:58:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:58:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-04-03 08:58:44,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:58:44,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330311000] [2023-04-03 08:58:44,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330311000] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:58:44,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:58:44,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:58:44,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336623851] [2023-04-03 08:58:44,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:58:44,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:58:44,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:58:44,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:58:44,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:58:44,422 INFO L87 Difference]: Start difference. First operand 2977 states and 3908 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 08:58:46,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:48,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:50,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:52,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:58:52,985 INFO L93 Difference]: Finished difference Result 2983 states and 3913 transitions. [2023-04-03 08:58:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:58:52,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 94 [2023-04-03 08:58:52,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:58:53,010 INFO L225 Difference]: With dead ends: 2983 [2023-04-03 08:58:53,010 INFO L226 Difference]: Without dead ends: 2981 [2023-04-03 08:58:53,018 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 08:58:53,022 INFO L413 NwaCegarLoop]: 3451 mSDtfsCounter, 3841 mSDsluCounter, 6883 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3850 SdHoareTripleChecker+Valid, 10334 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-04-03 08:58:53,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3850 Valid, 10334 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1260 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2023-04-03 08:58:53,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2981 states. [2023-04-03 08:58:53,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2981 to 2981. [2023-04-03 08:58:53,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2981 states, 1635 states have (on average 1.2159021406727828) internal successors, (1988), 1738 states have internal predecessors, (1988), 964 states have call successors, (964), 382 states have call predecessors, (964), 379 states have return successors, (959), 902 states have call predecessors, (959), 959 states have call successors, (959) [2023-04-03 08:58:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2981 states to 2981 states and 3911 transitions. [2023-04-03 08:58:53,245 INFO L78 Accepts]: Start accepts. Automaton has 2981 states and 3911 transitions. Word has length 94 [2023-04-03 08:58:53,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:58:53,246 INFO L495 AbstractCegarLoop]: Abstraction has 2981 states and 3911 transitions. [2023-04-03 08:58:53,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 08:58:53,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2981 states and 3911 transitions. [2023-04-03 08:58:53,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-04-03 08:58:53,253 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:58:53,254 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 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] [2023-04-03 08:58:53,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 08:58:53,254 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:58:53,254 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:58:53,254 INFO L85 PathProgramCache]: Analyzing trace with hash 360295926, now seen corresponding path program 1 times [2023-04-03 08:58:53,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:58:53,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200663277] [2023-04-03 08:58:53,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:58:53,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:58:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:58:53,631 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-04-03 08:58:53,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:58:53,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200663277] [2023-04-03 08:58:53,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200663277] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:58:53,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:58:53,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:58:53,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768201835] [2023-04-03 08:58:53,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:58:53,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:58:53,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:58:53,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:58:53,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:58:53,635 INFO L87 Difference]: Start difference. First operand 2981 states and 3911 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-03 08:58:56,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:58:58,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:00,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:01,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:59:01,910 INFO L93 Difference]: Finished difference Result 2987 states and 3916 transitions. [2023-04-03 08:59:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:59:01,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 99 [2023-04-03 08:59:01,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:59:01,927 INFO L225 Difference]: With dead ends: 2987 [2023-04-03 08:59:01,927 INFO L226 Difference]: Without dead ends: 2985 [2023-04-03 08:59:01,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 08:59:01,929 INFO L413 NwaCegarLoop]: 3451 mSDtfsCounter, 3841 mSDsluCounter, 6883 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3849 SdHoareTripleChecker+Valid, 10334 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-04-03 08:59:01,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3849 Valid, 10334 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1259 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2023-04-03 08:59:01,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2023-04-03 08:59:02,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 2985. [2023-04-03 08:59:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2985 states, 1638 states have (on average 1.2155067155067154) internal successors, (1991), 1741 states have internal predecessors, (1991), 964 states have call successors, (964), 383 states have call predecessors, (964), 380 states have return successors, (959), 902 states have call predecessors, (959), 959 states have call successors, (959) [2023-04-03 08:59:02,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2985 states to 2985 states and 3914 transitions. [2023-04-03 08:59:02,134 INFO L78 Accepts]: Start accepts. Automaton has 2985 states and 3914 transitions. Word has length 99 [2023-04-03 08:59:02,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:59:02,135 INFO L495 AbstractCegarLoop]: Abstraction has 2985 states and 3914 transitions. [2023-04-03 08:59:02,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-03 08:59:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2985 states and 3914 transitions. [2023-04-03 08:59:02,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-04-03 08:59:02,138 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:59:02,138 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:59:02,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 08:59:02,138 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:59:02,139 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:59:02,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1711546201, now seen corresponding path program 1 times [2023-04-03 08:59:02,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:59:02,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469285800] [2023-04-03 08:59:02,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:59:02,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:59:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:59:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-04-03 08:59:02,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:59:02,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469285800] [2023-04-03 08:59:02,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469285800] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:59:02,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:59:02,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:59:02,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62148171] [2023-04-03 08:59:02,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:59:02,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:59:02,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:59:02,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:59:02,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:59:02,516 INFO L87 Difference]: Start difference. First operand 2985 states and 3914 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 08:59:04,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:06,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:08,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:10,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:59:10,938 INFO L93 Difference]: Finished difference Result 2991 states and 3919 transitions. [2023-04-03 08:59:10,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:59:10,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 119 [2023-04-03 08:59:10,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:59:10,952 INFO L225 Difference]: With dead ends: 2991 [2023-04-03 08:59:10,952 INFO L226 Difference]: Without dead ends: 2989 [2023-04-03 08:59:10,953 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 08:59:10,954 INFO L413 NwaCegarLoop]: 3451 mSDtfsCounter, 3837 mSDsluCounter, 6883 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3844 SdHoareTripleChecker+Valid, 10334 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-04-03 08:59:10,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3844 Valid, 10334 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1259 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2023-04-03 08:59:10,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2989 states. [2023-04-03 08:59:11,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2989 to 2989. [2023-04-03 08:59:11,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2989 states, 1641 states have (on average 1.2151127361365022) internal successors, (1994), 1744 states have internal predecessors, (1994), 964 states have call successors, (964), 384 states have call predecessors, (964), 381 states have return successors, (959), 902 states have call predecessors, (959), 959 states have call successors, (959) [2023-04-03 08:59:11,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2989 states and 3917 transitions. [2023-04-03 08:59:11,168 INFO L78 Accepts]: Start accepts. Automaton has 2989 states and 3917 transitions. Word has length 119 [2023-04-03 08:59:11,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:59:11,169 INFO L495 AbstractCegarLoop]: Abstraction has 2989 states and 3917 transitions. [2023-04-03 08:59:11,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 08:59:11,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 3917 transitions. [2023-04-03 08:59:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-03 08:59:11,173 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:59:11,173 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:59:11,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 08:59:11,173 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 08:59:11,173 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:59:11,174 INFO L85 PathProgramCache]: Analyzing trace with hash -64049861, now seen corresponding path program 1 times [2023-04-03 08:59:11,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:59:11,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644281838] [2023-04-03 08:59:11,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:59:11,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:59:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:59:11,534 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-04-03 08:59:11,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:59:11,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644281838] [2023-04-03 08:59:11,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644281838] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:59:11,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:59:11,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:59:11,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209970785] [2023-04-03 08:59:11,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:59:11,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:59:11,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:59:11,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:59:11,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:59:11,536 INFO L87 Difference]: Start difference. First operand 2989 states and 3917 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 08:59:13,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:15,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:17,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:20,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:59:20,150 INFO L93 Difference]: Finished difference Result 2995 states and 3922 transitions. [2023-04-03 08:59:20,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:59:20,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 124 [2023-04-03 08:59:20,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:59:20,166 INFO L225 Difference]: With dead ends: 2995 [2023-04-03 08:59:20,166 INFO L226 Difference]: Without dead ends: 2993 [2023-04-03 08:59:20,170 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 08:59:20,170 INFO L413 NwaCegarLoop]: 3451 mSDtfsCounter, 3837 mSDsluCounter, 6883 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3843 SdHoareTripleChecker+Valid, 10334 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-04-03 08:59:20,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3843 Valid, 10334 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1259 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2023-04-03 08:59:20,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2023-04-03 08:59:20,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2993. [2023-04-03 08:59:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2993 states, 1644 states have (on average 1.214720194647202) internal successors, (1997), 1747 states have internal predecessors, (1997), 964 states have call successors, (964), 385 states have call predecessors, (964), 382 states have return successors, (959), 902 states have call predecessors, (959), 959 states have call successors, (959) [2023-04-03 08:59:20,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2993 states and 3920 transitions. [2023-04-03 08:59:20,486 INFO L78 Accepts]: Start accepts. Automaton has 2993 states and 3920 transitions. Word has length 124 [2023-04-03 08:59:20,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:59:20,488 INFO L495 AbstractCegarLoop]: Abstraction has 2993 states and 3920 transitions. [2023-04-03 08:59:20,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 08:59:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2993 states and 3920 transitions. [2023-04-03 08:59:20,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-03 08:59:20,491 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:59:20,491 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:59:20,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 08:59:20,492 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 08:59:20,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:59:20,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1116058855, now seen corresponding path program 1 times [2023-04-03 08:59:20,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:59:20,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940045605] [2023-04-03 08:59:20,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:59:20,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:59:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:59:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-04-03 08:59:21,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:59:21,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940045605] [2023-04-03 08:59:21,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940045605] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:59:21,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:59:21,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 08:59:21,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040559238] [2023-04-03 08:59:21,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:59:21,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 08:59:21,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:59:21,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 08:59:21,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-03 08:59:21,390 INFO L87 Difference]: Start difference. First operand 2993 states and 3920 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (30), 5 states have call predecessors, (30), 4 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-03 08:59:26,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:28,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:30,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:32,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:33,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:42,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:59:42,232 INFO L93 Difference]: Finished difference Result 3332 states and 4296 transitions. [2023-04-03 08:59:42,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 08:59:42,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (30), 5 states have call predecessors, (30), 4 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) Word has length 129 [2023-04-03 08:59:42,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:59:42,246 INFO L225 Difference]: With dead ends: 3332 [2023-04-03 08:59:42,246 INFO L226 Difference]: Without dead ends: 3330 [2023-04-03 08:59:42,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2023-04-03 08:59:42,248 INFO L413 NwaCegarLoop]: 1745 mSDtfsCounter, 3207 mSDsluCounter, 4314 mSDsCounter, 0 mSdLazyCounter, 8770 mSolverCounterSat, 2514 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3426 SdHoareTripleChecker+Valid, 6059 SdHoareTripleChecker+Invalid, 11287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2514 IncrementalHoareTripleChecker+Valid, 8770 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2023-04-03 08:59:42,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3426 Valid, 6059 Invalid, 11287 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2514 Valid, 8770 Invalid, 3 Unknown, 0 Unchecked, 20.3s Time] [2023-04-03 08:59:42,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3330 states. [2023-04-03 08:59:42,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3330 to 3306. [2023-04-03 08:59:42,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3306 states, 1808 states have (on average 1.2063053097345133) internal successors, (2181), 1919 states have internal predecessors, (2181), 1044 states have call successors, (1044), 454 states have call predecessors, (1044), 451 states have return successors, (1039), 978 states have call predecessors, (1039), 1039 states have call successors, (1039) [2023-04-03 08:59:42,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 3306 states and 4264 transitions. [2023-04-03 08:59:42,595 INFO L78 Accepts]: Start accepts. Automaton has 3306 states and 4264 transitions. Word has length 129 [2023-04-03 08:59:42,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:59:42,597 INFO L495 AbstractCegarLoop]: Abstraction has 3306 states and 4264 transitions. [2023-04-03 08:59:42,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (30), 5 states have call predecessors, (30), 4 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-03 08:59:42,598 INFO L276 IsEmpty]: Start isEmpty. Operand 3306 states and 4264 transitions. [2023-04-03 08:59:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-04-03 08:59:42,600 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:59:42,600 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:59:42,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 08:59:42,600 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 08:59:42,601 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:59:42,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1914286203, now seen corresponding path program 1 times [2023-04-03 08:59:42,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:59:42,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182721532] [2023-04-03 08:59:42,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:59:42,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:59:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:59:42,939 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-04-03 08:59:42,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:59:42,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182721532] [2023-04-03 08:59:42,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182721532] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:59:42,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:59:42,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:59:42,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110330307] [2023-04-03 08:59:42,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:59:42,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:59:42,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:59:42,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:59:42,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:59:42,941 INFO L87 Difference]: Start difference. First operand 3306 states and 4264 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 08:59:45,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:47,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:49,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:51,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:59:51,223 INFO L93 Difference]: Finished difference Result 3312 states and 4269 transitions. [2023-04-03 08:59:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:59:51,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 134 [2023-04-03 08:59:51,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:59:51,239 INFO L225 Difference]: With dead ends: 3312 [2023-04-03 08:59:51,239 INFO L226 Difference]: Without dead ends: 3310 [2023-04-03 08:59:51,242 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 08:59:51,242 INFO L413 NwaCegarLoop]: 3451 mSDtfsCounter, 3837 mSDsluCounter, 6883 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3841 SdHoareTripleChecker+Valid, 10334 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-04-03 08:59:51,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3841 Valid, 10334 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1259 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2023-04-03 08:59:51,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3310 states. [2023-04-03 08:59:51,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3310 to 3310. [2023-04-03 08:59:51,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3310 states, 1811 states have (on average 1.2059635560463833) internal successors, (2184), 1922 states have internal predecessors, (2184), 1044 states have call successors, (1044), 455 states have call predecessors, (1044), 452 states have return successors, (1039), 978 states have call predecessors, (1039), 1039 states have call successors, (1039) [2023-04-03 08:59:51,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 3310 states and 4267 transitions. [2023-04-03 08:59:51,587 INFO L78 Accepts]: Start accepts. Automaton has 3310 states and 4267 transitions. Word has length 134 [2023-04-03 08:59:51,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:59:51,587 INFO L495 AbstractCegarLoop]: Abstraction has 3310 states and 4267 transitions. [2023-04-03 08:59:51,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 08:59:51,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 4267 transitions. [2023-04-03 08:59:51,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-03 08:59:51,589 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:59:51,590 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 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] [2023-04-03 08:59:51,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 08:59:51,590 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 08:59:51,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:59:51,590 INFO L85 PathProgramCache]: Analyzing trace with hash -384342644, now seen corresponding path program 1 times [2023-04-03 08:59:51,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:59:51,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401982018] [2023-04-03 08:59:51,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:59:51,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:59:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:59:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-04-03 08:59:51,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:59:51,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401982018] [2023-04-03 08:59:51,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401982018] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:59:51,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:59:51,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:59:51,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754326399] [2023-04-03 08:59:51,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:59:51,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:59:51,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:59:51,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:59:51,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:59:51,955 INFO L87 Difference]: Start difference. First operand 3310 states and 4267 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 08:59:54,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:56,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:59:58,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:00,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:00:00,463 INFO L93 Difference]: Finished difference Result 3316 states and 4272 transitions. [2023-04-03 09:00:00,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 09:00:00,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 124 [2023-04-03 09:00:00,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:00:00,478 INFO L225 Difference]: With dead ends: 3316 [2023-04-03 09:00:00,478 INFO L226 Difference]: Without dead ends: 3314 [2023-04-03 09:00:00,479 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 09:00:00,480 INFO L413 NwaCegarLoop]: 3451 mSDtfsCounter, 3841 mSDsluCounter, 6883 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3844 SdHoareTripleChecker+Valid, 10334 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-04-03 09:00:00,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3844 Valid, 10334 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1259 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2023-04-03 09:00:00,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3314 states. [2023-04-03 09:00:00,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3314 to 3314. [2023-04-03 09:00:00,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3314 states, 1814 states have (on average 1.2056229327453143) internal successors, (2187), 1925 states have internal predecessors, (2187), 1044 states have call successors, (1044), 456 states have call predecessors, (1044), 453 states have return successors, (1039), 978 states have call predecessors, (1039), 1039 states have call successors, (1039) [2023-04-03 09:00:00,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 4270 transitions. [2023-04-03 09:00:00,775 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 4270 transitions. Word has length 124 [2023-04-03 09:00:00,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:00:00,776 INFO L495 AbstractCegarLoop]: Abstraction has 3314 states and 4270 transitions. [2023-04-03 09:00:00,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 09:00:00,776 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 4270 transitions. [2023-04-03 09:00:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-03 09:00:00,779 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:00:00,779 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:00:00,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 09:00:00,779 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 09:00:00,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:00:00,780 INFO L85 PathProgramCache]: Analyzing trace with hash -939830341, now seen corresponding path program 1 times [2023-04-03 09:00:00,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:00:00,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164099011] [2023-04-03 09:00:00,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:00:00,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:00:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:00:01,132 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-04-03 09:00:01,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:00:01,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164099011] [2023-04-03 09:00:01,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164099011] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:00:01,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:00:01,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:00:01,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762199040] [2023-04-03 09:00:01,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:00:01,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:00:01,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:00:01,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:00:01,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:00:01,134 INFO L87 Difference]: Start difference. First operand 3314 states and 4270 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 09:00:03,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:05,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:07,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:09,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:10,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:00:10,699 INFO L93 Difference]: Finished difference Result 3320 states and 4275 transitions. [2023-04-03 09:00:10,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 09:00:10,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 144 [2023-04-03 09:00:10,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:00:10,713 INFO L225 Difference]: With dead ends: 3320 [2023-04-03 09:00:10,713 INFO L226 Difference]: Without dead ends: 3318 [2023-04-03 09:00:10,715 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 09:00:10,716 INFO L413 NwaCegarLoop]: 3451 mSDtfsCounter, 3837 mSDsluCounter, 6883 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3839 SdHoareTripleChecker+Valid, 10334 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-04-03 09:00:10,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3839 Valid, 10334 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1259 Invalid, 3 Unknown, 0 Unchecked, 9.2s Time] [2023-04-03 09:00:10,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3318 states. [2023-04-03 09:00:10,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3318 to 3318. [2023-04-03 09:00:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3318 states, 1817 states have (on average 1.205283434232251) internal successors, (2190), 1928 states have internal predecessors, (2190), 1044 states have call successors, (1044), 457 states have call predecessors, (1044), 454 states have return successors, (1039), 978 states have call predecessors, (1039), 1039 states have call successors, (1039) [2023-04-03 09:00:11,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3318 states to 3318 states and 4273 transitions. [2023-04-03 09:00:11,014 INFO L78 Accepts]: Start accepts. Automaton has 3318 states and 4273 transitions. Word has length 144 [2023-04-03 09:00:11,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:00:11,015 INFO L495 AbstractCegarLoop]: Abstraction has 3318 states and 4273 transitions. [2023-04-03 09:00:11,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 09:00:11,015 INFO L276 IsEmpty]: Start isEmpty. Operand 3318 states and 4273 transitions. [2023-04-03 09:00:11,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-03 09:00:11,018 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:00:11,019 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:00:11,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 09:00:11,019 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 09:00:11,019 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:00:11,019 INFO L85 PathProgramCache]: Analyzing trace with hash 361856359, now seen corresponding path program 1 times [2023-04-03 09:00:11,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:00:11,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418368614] [2023-04-03 09:00:11,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:00:11,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:00:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:00:11,327 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-04-03 09:00:11,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:00:11,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418368614] [2023-04-03 09:00:11,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418368614] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:00:11,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:00:11,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:00:11,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125787238] [2023-04-03 09:00:11,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:00:11,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:00:11,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:00:11,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:00:11,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:00:11,330 INFO L87 Difference]: Start difference. First operand 3318 states and 4273 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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 09:00:13,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:15,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:17,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:19,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:00:19,747 INFO L93 Difference]: Finished difference Result 3324 states and 4278 transitions. [2023-04-03 09:00:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 09:00:19,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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 149 [2023-04-03 09:00:19,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:00:19,769 INFO L225 Difference]: With dead ends: 3324 [2023-04-03 09:00:19,769 INFO L226 Difference]: Without dead ends: 3320 [2023-04-03 09:00:19,771 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 09:00:19,771 INFO L413 NwaCegarLoop]: 3451 mSDtfsCounter, 3837 mSDsluCounter, 6883 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3838 SdHoareTripleChecker+Valid, 10334 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-04-03 09:00:19,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3838 Valid, 10334 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1259 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2023-04-03 09:00:19,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3320 states. [2023-04-03 09:00:20,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3320 to 3320. [2023-04-03 09:00:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 1819 states have (on average 1.2045079714128641) internal successors, (2191), 1929 states have internal predecessors, (2191), 1044 states have call successors, (1044), 458 states have call predecessors, (1044), 454 states have return successors, (1039), 978 states have call predecessors, (1039), 1039 states have call successors, (1039) [2023-04-03 09:00:20,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4274 transitions. [2023-04-03 09:00:20,038 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4274 transitions. Word has length 149 [2023-04-03 09:00:20,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:00:20,039 INFO L495 AbstractCegarLoop]: Abstraction has 3320 states and 4274 transitions. [2023-04-03 09:00:20,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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 09:00:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4274 transitions. [2023-04-03 09:00:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-03 09:00:20,042 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:00:20,042 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 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] [2023-04-03 09:00:20,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 09:00:20,043 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 09:00:20,043 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:00:20,043 INFO L85 PathProgramCache]: Analyzing trace with hash -902945802, now seen corresponding path program 1 times [2023-04-03 09:00:20,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:00:20,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301957262] [2023-04-03 09:00:20,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:00:20,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:00:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:00:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2023-04-03 09:00:20,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:00:20,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301957262] [2023-04-03 09:00:20,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301957262] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:00:20,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:00:20,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:00:20,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258313381] [2023-04-03 09:00:20,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:00:20,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:00:20,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:00:20,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:00:20,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:00:20,396 INFO L87 Difference]: Start difference. First operand 3320 states and 4274 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 09:00:22,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:24,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:26,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:29,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:00:29,058 INFO L93 Difference]: Finished difference Result 3320 states and 4274 transitions. [2023-04-03 09:00:29,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 09:00:29,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 139 [2023-04-03 09:00:29,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:00:29,069 INFO L225 Difference]: With dead ends: 3320 [2023-04-03 09:00:29,069 INFO L226 Difference]: Without dead ends: 3233 [2023-04-03 09:00:29,070 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 09:00:29,071 INFO L413 NwaCegarLoop]: 3449 mSDtfsCounter, 3837 mSDsluCounter, 6882 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3837 SdHoareTripleChecker+Valid, 10331 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-04-03 09:00:29,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3837 Valid, 10331 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1254 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2023-04-03 09:00:29,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3233 states. [2023-04-03 09:00:29,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3233 to 3233. [2023-04-03 09:00:29,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3233 states, 1771 states have (on average 1.2083568605307735) internal successors, (2140), 1878 states have internal predecessors, (2140), 1024 states have call successors, (1024), 440 states have call predecessors, (1024), 436 states have return successors, (1020), 959 states have call predecessors, (1020), 1020 states have call successors, (1020) [2023-04-03 09:00:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 3233 states and 4184 transitions. [2023-04-03 09:00:29,481 INFO L78 Accepts]: Start accepts. Automaton has 3233 states and 4184 transitions. Word has length 139 [2023-04-03 09:00:29,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:00:29,482 INFO L495 AbstractCegarLoop]: Abstraction has 3233 states and 4184 transitions. [2023-04-03 09:00:29,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 09:00:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3233 states and 4184 transitions. [2023-04-03 09:00:29,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-04-03 09:00:29,486 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:00:29,486 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:00:29,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 09:00:29,486 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 09:00:29,486 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:00:29,487 INFO L85 PathProgramCache]: Analyzing trace with hash -887390438, now seen corresponding path program 1 times [2023-04-03 09:00:29,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:00:29,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826022240] [2023-04-03 09:00:29,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:00:29,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:00:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:00:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-04-03 09:00:31,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:00:31,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826022240] [2023-04-03 09:00:31,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826022240] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:00:31,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:00:31,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 09:00:31,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89177445] [2023-04-03 09:00:31,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:00:31,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 09:00:31,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:00:31,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 09:00:31,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 09:00:31,125 INFO L87 Difference]: Start difference. First operand 3233 states and 4184 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (39), 4 states have call predecessors, (39), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 09:00:35,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:37,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:39,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:43,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:50,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:00:50,400 INFO L93 Difference]: Finished difference Result 3263 states and 4219 transitions. [2023-04-03 09:00:50,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 09:00:50,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (39), 4 states have call predecessors, (39), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 169 [2023-04-03 09:00:50,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:00:50,414 INFO L225 Difference]: With dead ends: 3263 [2023-04-03 09:00:50,415 INFO L226 Difference]: Without dead ends: 3261 [2023-04-03 09:00:50,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-04-03 09:00:50,418 INFO L413 NwaCegarLoop]: 1735 mSDtfsCounter, 3163 mSDsluCounter, 3992 mSDsCounter, 0 mSdLazyCounter, 8333 mSolverCounterSat, 2432 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3382 SdHoareTripleChecker+Valid, 5727 SdHoareTripleChecker+Invalid, 10767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2432 IncrementalHoareTripleChecker+Valid, 8333 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2023-04-03 09:00:50,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3382 Valid, 5727 Invalid, 10767 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2432 Valid, 8333 Invalid, 2 Unknown, 0 Unchecked, 18.8s Time] [2023-04-03 09:00:50,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3261 states. [2023-04-03 09:00:50,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3261 to 3237. [2023-04-03 09:00:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3237 states, 1774 states have (on average 1.2080045095828635) internal successors, (2143), 1881 states have internal predecessors, (2143), 1024 states have call successors, (1024), 441 states have call predecessors, (1024), 437 states have return successors, (1020), 959 states have call predecessors, (1020), 1020 states have call successors, (1020) [2023-04-03 09:00:50,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 3237 states and 4187 transitions. [2023-04-03 09:00:50,694 INFO L78 Accepts]: Start accepts. Automaton has 3237 states and 4187 transitions. Word has length 169 [2023-04-03 09:00:50,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:00:50,695 INFO L495 AbstractCegarLoop]: Abstraction has 3237 states and 4187 transitions. [2023-04-03 09:00:50,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (39), 4 states have call predecessors, (39), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 09:00:50,695 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 4187 transitions. [2023-04-03 09:00:50,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-04-03 09:00:50,701 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:00:50,701 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:00:50,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 09:00:50,702 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 09:00:50,702 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:00:50,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1484382039, now seen corresponding path program 1 times [2023-04-03 09:00:50,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:00:50,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500565102] [2023-04-03 09:00:50,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:00:50,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:00:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:00:51,391 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-04-03 09:00:51,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:00:51,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500565102] [2023-04-03 09:00:51,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500565102] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:00:51,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:00:51,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:00:51,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930738982] [2023-04-03 09:00:51,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:00:51,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:00:51,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:00:51,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:00:51,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:00:51,396 INFO L87 Difference]: Start difference. First operand 3237 states and 4187 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 09:00:54,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:56,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:00:58,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:01:00,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:01:02,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:01:02,112 INFO L93 Difference]: Finished difference Result 3239 states and 4188 transitions. [2023-04-03 09:01:02,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 09:01:02,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 221 [2023-04-03 09:01:02,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:01:02,127 INFO L225 Difference]: With dead ends: 3239 [2023-04-03 09:01:02,127 INFO L226 Difference]: Without dead ends: 3031 [2023-04-03 09:01:02,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:01:02,131 INFO L413 NwaCegarLoop]: 3619 mSDtfsCounter, 1721 mSDsluCounter, 9409 mSDsCounter, 0 mSdLazyCounter, 1641 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1722 SdHoareTripleChecker+Valid, 13028 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1641 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-04-03 09:01:02,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1722 Valid, 13028 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1641 Invalid, 4 Unknown, 0 Unchecked, 10.4s Time] [2023-04-03 09:01:02,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3031 states. [2023-04-03 09:01:02,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3031 to 3031. [2023-04-03 09:01:02,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3031 states, 1670 states have (on average 1.2047904191616767) internal successors, (2012), 1755 states have internal predecessors, (2012), 950 states have call successors, (950), 414 states have call predecessors, (950), 409 states have return successors, (945), 902 states have call predecessors, (945), 945 states have call successors, (945) [2023-04-03 09:01:02,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 3031 states and 3907 transitions. [2023-04-03 09:01:02,495 INFO L78 Accepts]: Start accepts. Automaton has 3031 states and 3907 transitions. Word has length 221 [2023-04-03 09:01:02,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:01:02,496 INFO L495 AbstractCegarLoop]: Abstraction has 3031 states and 3907 transitions. [2023-04-03 09:01:02,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 09:01:02,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3031 states and 3907 transitions. [2023-04-03 09:01:02,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2023-04-03 09:01:02,517 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:01:02,517 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:01:02,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 09:01:02,517 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 09:01:02,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:01:02,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1822749422, now seen corresponding path program 1 times [2023-04-03 09:01:02,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:01:02,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670946119] [2023-04-03 09:01:02,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:01:02,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:01:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:01:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2023-04-03 09:01:02,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:01:02,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670946119] [2023-04-03 09:01:02,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670946119] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:01:02,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:01:02,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 09:01:02,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042548144] [2023-04-03 09:01:02,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:01:02,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 09:01:02,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:01:02,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 09:01:02,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 09:01:02,982 INFO L87 Difference]: Start difference. First operand 3031 states and 3907 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 3 states have call successors, (110), 3 states have call predecessors, (110), 2 states have return successors, (92), 3 states have call predecessors, (92), 3 states have call successors, (92) [2023-04-03 09:01:05,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:01:06,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:01:06,494 INFO L93 Difference]: Finished difference Result 5583 states and 7204 transitions. [2023-04-03 09:01:06,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 09:01:06,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 3 states have call successors, (110), 3 states have call predecessors, (110), 2 states have return successors, (92), 3 states have call predecessors, (92), 3 states have call successors, (92) Word has length 518 [2023-04-03 09:01:06,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:01:06,506 INFO L225 Difference]: With dead ends: 5583 [2023-04-03 09:01:06,506 INFO L226 Difference]: Without dead ends: 2997 [2023-04-03 09:01:06,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 09:01:06,517 INFO L413 NwaCegarLoop]: 3105 mSDtfsCounter, 3485 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3485 SdHoareTripleChecker+Valid, 3106 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-04-03 09:01:06,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3485 Valid, 3106 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 396 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2023-04-03 09:01:06,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2023-04-03 09:01:06,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2997. [2023-04-03 09:01:06,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2997 states, 1650 states have (on average 1.2042424242424243) internal successors, (1987), 1733 states have internal predecessors, (1987), 940 states have call successors, (940), 413 states have call predecessors, (940), 405 states have return successors, (932), 890 states have call predecessors, (932), 932 states have call successors, (932) [2023-04-03 09:01:06,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 3859 transitions. [2023-04-03 09:01:06,863 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 3859 transitions. Word has length 518 [2023-04-03 09:01:06,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:01:06,864 INFO L495 AbstractCegarLoop]: Abstraction has 2997 states and 3859 transitions. [2023-04-03 09:01:06,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 3 states have call successors, (110), 3 states have call predecessors, (110), 2 states have return successors, (92), 3 states have call predecessors, (92), 3 states have call successors, (92) [2023-04-03 09:01:06,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 3859 transitions. [2023-04-03 09:01:06,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2023-04-03 09:01:06,888 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:01:06,888 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:01:06,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 09:01:06,889 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 09:01:06,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:01:06,889 INFO L85 PathProgramCache]: Analyzing trace with hash -803045665, now seen corresponding path program 1 times [2023-04-03 09:01:06,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:01:06,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916162609] [2023-04-03 09:01:06,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:01:06,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:01:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:01:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2023-04-03 09:01:08,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:01:08,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916162609] [2023-04-03 09:01:08,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916162609] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 09:01:08,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845252823] [2023-04-03 09:01:08,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:01:08,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 09:01:08,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 09:01:08,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 09:01:08,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 09:01:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:01:10,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 6225 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-03 09:01:10,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 09:01:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-04-03 09:01:10,453 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 09:01:10,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845252823] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:01:10,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 09:01:10,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-03 09:01:10,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755188401] [2023-04-03 09:01:10,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:01:10,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 09:01:10,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:01:10,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 09:01:10,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-04-03 09:01:10,456 INFO L87 Difference]: Start difference. First operand 2997 states and 3859 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 2 states have call successors, (123), 2 states have call predecessors, (123), 2 states have return successors, (100), 2 states have call predecessors, (100), 2 states have call successors, (100) [2023-04-03 09:01:13,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:01:15,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 09:01:16,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:01:16,473 INFO L93 Difference]: Finished difference Result 5969 states and 7701 transitions. [2023-04-03 09:01:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 09:01:16,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 2 states have call successors, (123), 2 states have call predecessors, (123), 2 states have return successors, (100), 2 states have call predecessors, (100), 2 states have call successors, (100) Word has length 586 [2023-04-03 09:01:16,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:01:16,490 INFO L225 Difference]: With dead ends: 5969 [2023-04-03 09:01:16,490 INFO L226 Difference]: Without dead ends: 3016 [2023-04-03 09:01:16,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 587 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-04-03 09:01:16,506 INFO L413 NwaCegarLoop]: 3082 mSDtfsCounter, 14 mSDsluCounter, 3060 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 6142 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-04-03 09:01:16,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 6142 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 816 Invalid, 2 Unknown, 0 Unchecked, 5.7s Time] [2023-04-03 09:01:16,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3016 states. [2023-04-03 09:01:16,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3016 to 3001. [2023-04-03 09:01:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 1654 states have (on average 1.2037484885126966) internal successors, (1991), 1737 states have internal predecessors, (1991), 940 states have call successors, (940), 413 states have call predecessors, (940), 405 states have return successors, (932), 890 states have call predecessors, (932), 932 states have call successors, (932) [2023-04-03 09:01:16,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 3863 transitions. [2023-04-03 09:01:16,895 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 3863 transitions. Word has length 586 [2023-04-03 09:01:16,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:01:16,896 INFO L495 AbstractCegarLoop]: Abstraction has 3001 states and 3863 transitions. [2023-04-03 09:01:16,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 2 states have call successors, (123), 2 states have call predecessors, (123), 2 states have return successors, (100), 2 states have call predecessors, (100), 2 states have call successors, (100) [2023-04-03 09:01:16,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 3863 transitions. [2023-04-03 09:01:16,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2023-04-03 09:01:16,917 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:01:16,917 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:01:16,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 09:01:17,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-04-03 09:01:17,133 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 09:01:17,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:01:17,134 INFO L85 PathProgramCache]: Analyzing trace with hash 218753061, now seen corresponding path program 1 times [2023-04-03 09:01:17,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:01:17,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076228553] [2023-04-03 09:01:17,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:01:17,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:01:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:01:18,811 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2023-04-03 09:01:18,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:01:18,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076228553] [2023-04-03 09:01:18,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076228553] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 09:01:18,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046834990] [2023-04-03 09:01:18,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:01:18,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 09:01:18,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 09:01:18,814 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 09:01:18,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 09:01:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:01:20,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 6357 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-03 09:01:20,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 09:01:20,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-04-03 09:01:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 221 proven. 2 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-04-03 09:01:20,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 09:01:21,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046834990] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 09:01:21,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1177741705] [2023-04-03 09:01:21,224 INFO L159 IcfgInterpreter]: Started Sifa with 429 locations of interest [2023-04-03 09:01:21,224 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 09:01:21,228 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 09:01:21,233 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 09:01:21,233 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs