/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 07:25:39,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 07:25:39,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 07:25:39,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 07:25:39,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 07:25:39,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 07:25:39,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 07:25:39,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 07:25:39,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 07:25:39,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 07:25:39,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 07:25:39,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 07:25:39,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 07:25:39,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 07:25:39,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 07:25:39,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 07:25:39,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 07:25:39,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 07:25:39,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 07:25:39,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 07:25:40,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 07:25:40,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 07:25:40,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 07:25:40,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 07:25:40,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 07:25:40,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 07:25:40,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 07:25:40,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 07:25:40,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 07:25:40,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 07:25:40,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 07:25:40,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 07:25:40,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 07:25:40,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 07:25:40,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 07:25:40,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 07:25:40,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 07:25:40,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 07:25:40,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 07:25:40,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 07:25:40,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 07:25:40,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 07:25:40,052 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 07:25:40,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 07:25:40,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 07:25:40,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 07:25:40,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 07:25:40,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 07:25:40,054 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 07:25:40,054 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 07:25:40,054 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 07:25:40,054 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 07:25:40,055 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 07:25:40,055 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 07:25:40,055 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 07:25:40,055 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 07:25:40,055 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 07:25:40,056 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 07:25:40,056 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 07:25:40,056 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 07:25:40,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 07:25:40,057 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 07:25:40,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 07:25:40,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 07:25:40,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 07:25:40,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 07:25:40,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 07:25:40,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 07:25:40,058 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 07:25:40,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 07:25:40,058 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 07:25:40,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 07:25:40,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 07:25:40,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 07:25:40,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:25:40,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 07:25:40,059 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 07:25:40,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 07:25:40,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 07:25:40,059 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 07:25:40,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 07:25:40,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 07:25:40,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 07:25:40,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 07:25:40,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 07:25:40,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 07:25:40,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 07:25:40,316 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 07:25:40,317 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 07:25:40,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2023-04-03 07:25:41,531 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 07:25:42,068 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 07:25:42,068 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2023-04-03 07:25:42,111 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d276cd73/4ffa4cfa37a14f889c290f765328b8bf/FLAGd5d8e2c5a [2023-04-03 07:25:42,127 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d276cd73/4ffa4cfa37a14f889c290f765328b8bf [2023-04-03 07:25:42,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 07:25:42,131 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 07:25:42,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 07:25:42,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 07:25:42,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 07:25:42,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:25:42" (1/1) ... [2023-04-03 07:25:42,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d7d006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:42, skipping insertion in model container [2023-04-03 07:25:42,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:25:42" (1/1) ... [2023-04-03 07:25:42,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 07:25:42,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 07:25:44,272 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305216,305229] [2023-04-03 07:25:44,276 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305385,305398] [2023-04-03 07:25:44,277 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305552,305565] [2023-04-03 07:25:44,277 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305720,305733] [2023-04-03 07:25:44,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:25:44,324 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 07:25:44,635 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305216,305229] [2023-04-03 07:25:44,635 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305385,305398] [2023-04-03 07:25:44,636 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305552,305565] [2023-04-03 07:25:44,636 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305720,305733] [2023-04-03 07:25:44,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:25:44,766 INFO L208 MainTranslator]: Completed translation [2023-04-03 07:25:44,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:44 WrapperNode [2023-04-03 07:25:44,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 07:25:44,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 07:25:44,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 07:25:44,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 07:25:44,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:44" (1/1) ... [2023-04-03 07:25:44,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:44" (1/1) ... [2023-04-03 07:25:44,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:44" (1/1) ... [2023-04-03 07:25:44,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:44" (1/1) ... [2023-04-03 07:25:44,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:44" (1/1) ... [2023-04-03 07:25:44,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:44" (1/1) ... [2023-04-03 07:25:45,014 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:44" (1/1) ... [2023-04-03 07:25:45,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:44" (1/1) ... [2023-04-03 07:25:45,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 07:25:45,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 07:25:45,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 07:25:45,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 07:25:45,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:44" (1/1) ... [2023-04-03 07:25:45,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:25:45,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:25:45,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 07:25:45,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 07:25:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 07:25:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 07:25:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:25:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:25:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:25:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 07:25:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 07:25:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-03 07:25:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 07:25:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-03 07:25:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2023-04-03 07:25:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2023-04-03 07:25:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rep_nop [2023-04-03 07:25:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-04-03 07:25:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 07:25:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 07:25:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-04-03 07:25:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 07:25:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-04-03 07:25:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-04-03 07:25:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-04-03 07:25:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 07:25:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 07:25:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 07:25:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-04-03 07:25:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-03 07:25:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-03 07:25:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_tx_timestamp [2023-04-03 07:25:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2023-04-03 07:25:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2023-04-03 07:25:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2023-04-03 07:25:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-04-03 07:25:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-04-03 07:25:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 07:25:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 07:25:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 07:25:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 07:25:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 07:25:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 07:25:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 07:25:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 07:25:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 07:25:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-04-03 07:25:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-04-03 07:25:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 07:25:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-04-03 07:25:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2023-04-03 07:25:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-04-03 07:25:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2023-04-03 07:25:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2023-04-03 07:25:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_alloc [2023-04-03 07:25:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2023-04-03 07:25:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_readw_mac [2023-04-03 07:25:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_writew_mac [2023-04-03 07:25:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __dnet_set_hwaddr [2023-04-03 07:25:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_get_hwaddr [2023-04-03 07:25:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_mdio_read [2023-04-03 07:25:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_mdio_write [2023-04-03 07:25:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_mdio_reset [2023-04-03 07:25:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_handle_link_change [2023-04-03 07:25:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_mii_probe [2023-04-03 07:25:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_mii_init [2023-04-03 07:25:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_phy_marvell_fixup [2023-04-03 07:25:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_update_stats [2023-04-03 07:25:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_poll [2023-04-03 07:25:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_interrupt [2023-04-03 07:25:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_start_xmit [2023-04-03 07:25:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_reset_hw [2023-04-03 07:25:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_init_hw [2023-04-03 07:25:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_open [2023-04-03 07:25:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_close [2023-04-03 07:25:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_print_pretty_hwstats [2023-04-03 07:25:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_get_stats [2023-04-03 07:25:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_get_settings [2023-04-03 07:25:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_set_settings [2023-04-03 07:25:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_ioctl [2023-04-03 07:25:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_get_drvinfo [2023-04-03 07:25:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_probe [2023-04-03 07:25:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_remove [2023-04-03 07:25:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_driver_init [2023-04-03 07:25:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_driver_exit [2023-04-03 07:25:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_dnet_driver_exit_12_2 [2023-04-03 07:25:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_dnet_driver_init_12_7 [2023-04-03 07:25:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register [2023-04-03 07:25:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:25:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 07:25:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:25:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_8_1 [2023-04-03 07:25:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_6_1 [2023-04-03 07:25:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 07:25:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_pm_deregister_2_5 [2023-04-03 07:25:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_pm_register_2_6 [2023-04-03 07:25:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_4_2 [2023-04-03 07:25:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2023-04-03 07:25:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 07:25:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 07:25:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:25:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:25:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:25:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:25:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:25:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_21 [2023-04-03 07:25:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:25:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:25:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 07:25:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:25:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_12 [2023-04-03 07:25:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 07:25:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 07:25:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 07:25:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 07:25:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:25:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:25:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:25:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:25:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister [2023-04-03 07:25:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_probe_2_14 [2023-04-03 07:25:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_release_2_3 [2023-04-03 07:25:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_platform_instance_2 [2023-04-03 07:25:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_pm_ops_instance_3 [2023-04-03 07:25:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_complete_3_3 [2023-04-03 07:25:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_freeze_3_15 [2023-04-03 07:25:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_freeze_late_3_14 [2023-04-03 07:25:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_freeze_noirq_3_12 [2023-04-03 07:25:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_poweroff_3_9 [2023-04-03 07:25:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_poweroff_late_3_8 [2023-04-03 07:25:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_poweroff_noirq_3_6 [2023-04-03 07:25:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_prepare_3_22 [2023-04-03 07:25:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_restore_3_4 [2023-04-03 07:25:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_restore_early_3_7 [2023-04-03 07:25:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_restore_noirq_3_5 [2023-04-03 07:25:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_resume_3_16 [2023-04-03 07:25:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_resume_early_3_17 [2023-04-03 07:25:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_resume_noirq_3_19 [2023-04-03 07:25:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_runtime_idle_3_27 [2023-04-03 07:25:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_runtime_resume_3_24 [2023-04-03 07:25:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_runtime_suspend_3_25 [2023-04-03 07:25:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_suspend_3_21 [2023-04-03 07:25:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_suspend_late_3_18 [2023-04-03 07:25:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_suspend_noirq_3_20 [2023-04-03 07:25:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_thaw_3_10 [2023-04-03 07:25:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_thaw_early_3_13 [2023-04-03 07:25:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_thaw_noirq_3_11 [2023-04-03 07:25:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 07:25:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2023-04-03 07:25:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 07:25:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 07:25:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 07:25:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-04-03 07:25:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-04-03 07:25:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:25:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:25:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:25:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:25:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_17 [2023-04-03 07:25:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_8 [2023-04-03 07:25:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:25:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_29 [2023-04-03 07:25:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 07:25:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 07:25:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-03 07:25:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_60 [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_62 [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_64 [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_66 [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_67 [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_68 [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_69 [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_70 [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_71 [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_72 [2023-04-03 07:25:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_73 [2023-04-03 07:25:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_74 [2023-04-03 07:25:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_75 [2023-04-03 07:25:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_76 [2023-04-03 07:25:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 07:25:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 07:25:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 07:25:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 07:25:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 07:25:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 07:25:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 07:25:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 07:25:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 07:25:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 07:25:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 07:25:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 07:25:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 07:25:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 07:25:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 07:25:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 07:25:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 07:25:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:25:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:25:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:25:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 07:25:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 07:25:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 07:25:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:25:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 07:25:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 07:25:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dnet [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_dnet [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_dnet [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_dnet [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_dnet [2023-04-03 07:25:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_dnet [2023-04-03 07:25:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_dnet [2023-04-03 07:25:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_dnet [2023-04-03 07:25:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:25:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:25:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:25:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:25:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:25:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:25:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:25:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:25:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:25:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:25:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:25:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:25:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:25:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:25:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:25:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_ts_info [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-04-03 07:25:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_alloc_size [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_register [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-04-03 07:25:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_connect [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_ethtool_gset [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_ethtool_sset [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_mii_ioctl [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_register_fixup_for_uid [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start_aneg [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2023-04-03 07:25:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-04-03 07:25:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 07:25:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 07:25:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 07:25:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone_tx_timestamp [2023-04-03 07:25:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 07:25:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2023-04-03 07:25:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 07:25:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 07:25:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 07:25:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 07:25:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 07:25:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 07:25:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 07:25:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 07:25:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 07:25:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 07:25:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 07:25:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 07:25:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 07:25:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure rep_nop [2023-04-03 07:25:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_60 [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_62 [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_64 [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dnet [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_dnet [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 07:25:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-04-03 07:25:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 07:25:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone_tx_timestamp [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure sw_tx_timestamp [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_ts_info [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2023-04-03 07:25:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_71 [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_74 [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 07:25:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 07:25:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 07:25:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 07:25:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 07:25:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 07:25:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 07:25:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 07:25:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2023-04-03 07:25:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-04-03 07:25:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 07:25:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_68 [2023-04-03 07:25:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 07:25:45,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_69 [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_72 [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_75 [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_76 [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_67 [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 07:25:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_70 [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_73 [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_66 [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_alloc_size [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_alloc [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_register [2023-04-03 07:25:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure phy_connect [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start_aneg [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure phy_ethtool_sset [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure phy_ethtool_gset [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure phy_mii_ioctl [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure phy_register_fixup_for_uid [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_readw_mac [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_writew_mac [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure __dnet_set_hwaddr [2023-04-03 07:25:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_get_hwaddr [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_mdio_read [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_mdio_write [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_mdio_reset [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_handle_link_change [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_mii_probe [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_mii_init [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_phy_marvell_fixup [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_update_stats [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_poll [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_interrupt [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_start_xmit [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_reset_hw [2023-04-03 07:25:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_init_hw [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_open [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_close [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_print_pretty_hwstats [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_get_stats [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_get_settings [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_set_settings [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_ioctl [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_get_drvinfo [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_probe [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_remove [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_driver_init [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_driver_exit [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_dnet_driver_exit_12_2 [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_dnet_driver_init_12_7 [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register [2023-04-03 07:25:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_8_1 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_6_1 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_pm_deregister_2_5 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_pm_register_2_6 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_4_2 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:25:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_21 [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_12 [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:25:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_probe_2_14 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_release_2_3 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_platform_instance_2 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_pm_ops_instance_3 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_complete_3_3 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_freeze_3_15 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_freeze_late_3_14 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_freeze_noirq_3_12 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_poweroff_3_9 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_poweroff_late_3_8 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_poweroff_noirq_3_6 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_prepare_3_22 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_restore_3_4 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_restore_early_3_7 [2023-04-03 07:25:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_restore_noirq_3_5 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_resume_3_16 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_resume_early_3_17 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_resume_noirq_3_19 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_runtime_idle_3_27 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_runtime_resume_3_24 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_runtime_suspend_3_25 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_suspend_3_21 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_suspend_late_3_18 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_suspend_noirq_3_20 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_thaw_3_10 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_thaw_early_3_13 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_thaw_noirq_3_11 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2023-04-03 07:25:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_17 [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_8 [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_29 [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 07:25:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:25:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:25:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:25:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 07:25:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 07:25:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 07:25:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 07:25:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 07:25:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 07:25:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 07:25:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 07:25:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 07:25:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 07:25:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 07:25:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 07:25:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 07:25:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 07:25:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 07:25:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 07:25:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 07:25:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:25:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:25:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_dnet [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_dnet [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_dnet [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_dnet [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_dnet [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_dnet [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:25:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:25:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:25:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 07:25:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 07:25:46,002 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 07:25:46,014 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 07:25:48,231 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 07:25:48,469 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 07:25:50,399 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 07:25:51,793 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 07:25:51,793 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-03 07:25:51,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:25:51 BoogieIcfgContainer [2023-04-03 07:25:51,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 07:25:51,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 07:25:51,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 07:25:51,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 07:25:51,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 07:25:42" (1/3) ... [2023-04-03 07:25:51,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbc144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:25:51, skipping insertion in model container [2023-04-03 07:25:51,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:44" (2/3) ... [2023-04-03 07:25:51,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbc144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:25:51, skipping insertion in model container [2023-04-03 07:25:51,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:25:51" (3/3) ... [2023-04-03 07:25:51,807 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2023-04-03 07:25:51,823 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 07:25:51,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 07:25:51,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 07:25:51,921 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;@30ab59fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 07:25:51,921 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 07:25:51,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 2227 states, 1206 states have (on average 1.1981757877280266) internal successors, (1445), 1237 states have internal predecessors, (1445), 647 states have call successors, (647), 265 states have call predecessors, (647), 263 states have return successors, (639), 630 states have call predecessors, (639), 639 states have call successors, (639) [2023-04-03 07:25:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-03 07:25:51,945 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:25:51,946 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:25:51,947 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:25:51,950 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:25:51,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1637989078, now seen corresponding path program 1 times [2023-04-03 07:25:51,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:25:51,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353163268] [2023-04-03 07:25:51,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:25:51,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:25:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:25:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-04-03 07:25:52,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:25:52,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353163268] [2023-04-03 07:25:52,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353163268] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:25:52,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:25:52,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:25:52,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866524776] [2023-04-03 07:25:52,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:25:52,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:25:52,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:25:52,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:25:52,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:25:52,808 INFO L87 Difference]: Start difference. First operand has 2227 states, 1206 states have (on average 1.1981757877280266) internal successors, (1445), 1237 states have internal predecessors, (1445), 647 states have call successors, (647), 265 states have call predecessors, (647), 263 states have return successors, (639), 630 states have call predecessors, (639), 639 states have call successors, (639) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:25:54,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:25:54,223 INFO L93 Difference]: Finished difference Result 5351 states and 6918 transitions. [2023-04-03 07:25:54,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:25:54,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 132 [2023-04-03 07:25:54,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:25:54,279 INFO L225 Difference]: With dead ends: 5351 [2023-04-03 07:25:54,279 INFO L226 Difference]: Without dead ends: 3527 [2023-04-03 07:25:54,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:25:54,298 INFO L413 NwaCegarLoop]: 2100 mSDtfsCounter, 2228 mSDsluCounter, 2031 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2228 SdHoareTripleChecker+Valid, 4131 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:25:54,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2228 Valid, 4131 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:25:54,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3527 states. [2023-04-03 07:25:54,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3527 to 3523. [2023-04-03 07:25:54,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3523 states, 1992 states have (on average 1.2123493975903614) internal successors, (2415), 2038 states have internal predecessors, (2415), 1045 states have call successors, (1045), 486 states have call predecessors, (1045), 483 states have return successors, (1041), 1027 states have call predecessors, (1041), 1041 states have call successors, (1041) [2023-04-03 07:25:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3523 states and 4501 transitions. [2023-04-03 07:25:54,623 INFO L78 Accepts]: Start accepts. Automaton has 3523 states and 4501 transitions. Word has length 132 [2023-04-03 07:25:54,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:25:54,624 INFO L495 AbstractCegarLoop]: Abstraction has 3523 states and 4501 transitions. [2023-04-03 07:25:54,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:25:54,625 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 4501 transitions. [2023-04-03 07:25:54,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-03 07:25:54,629 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:25:54,630 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:25:54,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 07:25:54,630 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:25:54,631 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:25:54,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1435164404, now seen corresponding path program 1 times [2023-04-03 07:25:54,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:25:54,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554280381] [2023-04-03 07:25:54,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:25:54,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:25:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:25:54,958 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-04-03 07:25:54,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:25:54,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554280381] [2023-04-03 07:25:54,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554280381] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:25:54,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:25:54,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:25:54,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918466283] [2023-04-03 07:25:54,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:25:54,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:25:54,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:25:54,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:25:54,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:25:54,961 INFO L87 Difference]: Start difference. First operand 3523 states and 4501 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-04-03 07:25:56,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:25:56,174 INFO L93 Difference]: Finished difference Result 10201 states and 13251 transitions. [2023-04-03 07:25:56,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:25:56,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 143 [2023-04-03 07:25:56,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:25:56,217 INFO L225 Difference]: With dead ends: 10201 [2023-04-03 07:25:56,218 INFO L226 Difference]: Without dead ends: 6712 [2023-04-03 07:25:56,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:25:56,235 INFO L413 NwaCegarLoop]: 2327 mSDtfsCounter, 2162 mSDsluCounter, 2035 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 4362 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:25:56,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 4362 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 07:25:56,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6712 states. [2023-04-03 07:25:56,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6712 to 6672. [2023-04-03 07:25:56,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6672 states, 3795 states have (on average 1.2152832674571805) internal successors, (4612), 3882 states have internal predecessors, (4612), 1957 states have call successors, (1957), 927 states have call predecessors, (1957), 917 states have return successors, (2161), 1911 states have call predecessors, (2161), 1953 states have call successors, (2161) [2023-04-03 07:25:56,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6672 states to 6672 states and 8730 transitions. [2023-04-03 07:25:56,610 INFO L78 Accepts]: Start accepts. Automaton has 6672 states and 8730 transitions. Word has length 143 [2023-04-03 07:25:56,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:25:56,611 INFO L495 AbstractCegarLoop]: Abstraction has 6672 states and 8730 transitions. [2023-04-03 07:25:56,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-04-03 07:25:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 6672 states and 8730 transitions. [2023-04-03 07:25:56,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-03 07:25:56,613 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:25:56,614 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:25:56,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 07:25:56,614 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:25:56,614 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:25:56,615 INFO L85 PathProgramCache]: Analyzing trace with hash 547436595, now seen corresponding path program 1 times [2023-04-03 07:25:56,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:25:56,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27571654] [2023-04-03 07:25:56,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:25:56,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:25:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:25:57,011 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-04-03 07:25:57,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:25:57,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27571654] [2023-04-03 07:25:57,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27571654] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:25:57,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:25:57,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:25:57,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817120542] [2023-04-03 07:25:57,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:25:57,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:25:57,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:25:57,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:25:57,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:25:57,014 INFO L87 Difference]: Start difference. First operand 6672 states and 8730 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:25:58,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:25:58,583 INFO L93 Difference]: Finished difference Result 18908 states and 24632 transitions. [2023-04-03 07:25:58,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:25:58,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 146 [2023-04-03 07:25:58,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:25:58,658 INFO L225 Difference]: With dead ends: 18908 [2023-04-03 07:25:58,659 INFO L226 Difference]: Without dead ends: 12270 [2023-04-03 07:25:58,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:25:58,693 INFO L413 NwaCegarLoop]: 2409 mSDtfsCounter, 1927 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 4414 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:25:58,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1927 Valid, 4414 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:25:58,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12270 states. [2023-04-03 07:25:59,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12270 to 12222. [2023-04-03 07:25:59,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12222 states, 6925 states have (on average 1.2) internal successors, (8310), 7104 states have internal predecessors, (8310), 3605 states have call successors, (3605), 1707 states have call predecessors, (3605), 1689 states have return successors, (3839), 3507 states have call predecessors, (3839), 3601 states have call successors, (3839) [2023-04-03 07:25:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12222 states to 12222 states and 15754 transitions. [2023-04-03 07:25:59,379 INFO L78 Accepts]: Start accepts. Automaton has 12222 states and 15754 transitions. Word has length 146 [2023-04-03 07:25:59,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:25:59,381 INFO L495 AbstractCegarLoop]: Abstraction has 12222 states and 15754 transitions. [2023-04-03 07:25:59,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:25:59,382 INFO L276 IsEmpty]: Start isEmpty. Operand 12222 states and 15754 transitions. [2023-04-03 07:25:59,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-04-03 07:25:59,388 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:25:59,388 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:25:59,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 07:25:59,389 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:25:59,390 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:25:59,390 INFO L85 PathProgramCache]: Analyzing trace with hash 796729605, now seen corresponding path program 1 times [2023-04-03 07:25:59,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:25:59,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379842704] [2023-04-03 07:25:59,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:25:59,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:25:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:25:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-04-03 07:25:59,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:25:59,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379842704] [2023-04-03 07:25:59,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379842704] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:25:59,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:25:59,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:25:59,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28519578] [2023-04-03 07:25:59,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:25:59,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:25:59,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:25:59,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:25:59,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:25:59,682 INFO L87 Difference]: Start difference. First operand 12222 states and 15754 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:26:01,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:01,379 INFO L93 Difference]: Finished difference Result 32844 states and 42812 transitions. [2023-04-03 07:26:01,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:26:01,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 154 [2023-04-03 07:26:01,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:01,503 INFO L225 Difference]: With dead ends: 32844 [2023-04-03 07:26:01,504 INFO L226 Difference]: Without dead ends: 20656 [2023-04-03 07:26:01,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:26:01,565 INFO L413 NwaCegarLoop]: 2077 mSDtfsCounter, 1754 mSDsluCounter, 1989 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 4066 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:01,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1754 Valid, 4066 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 07:26:01,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20656 states. [2023-04-03 07:26:02,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20656 to 20568. [2023-04-03 07:26:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20568 states, 11553 states have (on average 1.1887821345105167) internal successors, (13734), 11880 states have internal predecessors, (13734), 6031 states have call successors, (6031), 3035 states have call predecessors, (6031), 2981 states have return successors, (7161), 5805 states have call predecessors, (7161), 6027 states have call successors, (7161) [2023-04-03 07:26:02,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20568 states to 20568 states and 26926 transitions. [2023-04-03 07:26:02,757 INFO L78 Accepts]: Start accepts. Automaton has 20568 states and 26926 transitions. Word has length 154 [2023-04-03 07:26:02,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:02,762 INFO L495 AbstractCegarLoop]: Abstraction has 20568 states and 26926 transitions. [2023-04-03 07:26:02,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:26:02,762 INFO L276 IsEmpty]: Start isEmpty. Operand 20568 states and 26926 transitions. [2023-04-03 07:26:02,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-04-03 07:26:02,767 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:02,767 INFO L195 NwaCegarLoop]: trace histogram [12, 10, 10, 10, 10, 10, 10, 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] [2023-04-03 07:26:02,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 07:26:02,768 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:02,768 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:02,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1403329283, now seen corresponding path program 1 times [2023-04-03 07:26:02,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:02,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547171039] [2023-04-03 07:26:02,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:02,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:03,122 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-04-03 07:26:03,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:03,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547171039] [2023-04-03 07:26:03,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547171039] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:03,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:03,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:03,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268994979] [2023-04-03 07:26:03,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:03,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:03,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:03,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:03,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:03,125 INFO L87 Difference]: Start difference. First operand 20568 states and 26926 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-03 07:26:12,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:14,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:18,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:18,698 INFO L93 Difference]: Finished difference Result 39162 states and 51343 transitions. [2023-04-03 07:26:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 07:26:18,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 174 [2023-04-03 07:26:18,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:18,793 INFO L225 Difference]: With dead ends: 39162 [2023-04-03 07:26:18,793 INFO L226 Difference]: Without dead ends: 18628 [2023-04-03 07:26:18,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:26:18,866 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 3103 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 10303 mSolverCounterSat, 1258 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3630 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 11562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1258 IncrementalHoareTripleChecker+Valid, 10303 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:18,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3630 Valid, 330 Invalid, 11562 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1258 Valid, 10303 Invalid, 1 Unknown, 0 Unchecked, 14.6s Time] [2023-04-03 07:26:18,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18628 states. [2023-04-03 07:26:19,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18628 to 18556. [2023-04-03 07:26:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18556 states, 10523 states have (on average 1.187113940891381) internal successors, (12492), 10861 states have internal predecessors, (12492), 5295 states have call successors, (5295), 2711 states have call predecessors, (5295), 2735 states have return successors, (6438), 5117 states have call predecessors, (6438), 5291 states have call successors, (6438) [2023-04-03 07:26:19,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18556 states to 18556 states and 24225 transitions. [2023-04-03 07:26:19,795 INFO L78 Accepts]: Start accepts. Automaton has 18556 states and 24225 transitions. Word has length 174 [2023-04-03 07:26:19,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:19,796 INFO L495 AbstractCegarLoop]: Abstraction has 18556 states and 24225 transitions. [2023-04-03 07:26:19,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-03 07:26:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 18556 states and 24225 transitions. [2023-04-03 07:26:19,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-04-03 07:26:19,798 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:19,798 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:19,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 07:26:19,799 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:19,799 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:19,799 INFO L85 PathProgramCache]: Analyzing trace with hash -153468336, now seen corresponding path program 1 times [2023-04-03 07:26:19,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:19,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419396084] [2023-04-03 07:26:19,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:19,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:20,229 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2023-04-03 07:26:20,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:20,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419396084] [2023-04-03 07:26:20,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419396084] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:20,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:20,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:20,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469850618] [2023-04-03 07:26:20,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:20,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:20,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:20,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:20,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:20,231 INFO L87 Difference]: Start difference. First operand 18556 states and 24225 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 07:26:21,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:21,893 INFO L93 Difference]: Finished difference Result 18562 states and 24230 transitions. [2023-04-03 07:26:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:21,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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 196 [2023-04-03 07:26:21,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:21,981 INFO L225 Difference]: With dead ends: 18562 [2023-04-03 07:26:21,981 INFO L226 Difference]: Without dead ends: 18560 [2023-04-03 07:26:21,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:26:21,998 INFO L413 NwaCegarLoop]: 2063 mSDtfsCounter, 2314 mSDsluCounter, 4114 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2325 SdHoareTripleChecker+Valid, 6177 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:21,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2325 Valid, 6177 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 07:26:22,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18560 states. [2023-04-03 07:26:23,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18560 to 18560. [2023-04-03 07:26:23,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18560 states, 10526 states have (on average 1.1870606118183546) internal successors, (12495), 10864 states have internal predecessors, (12495), 5295 states have call successors, (5295), 2712 states have call predecessors, (5295), 2736 states have return successors, (6438), 5117 states have call predecessors, (6438), 5291 states have call successors, (6438) [2023-04-03 07:26:23,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18560 states to 18560 states and 24228 transitions. [2023-04-03 07:26:23,247 INFO L78 Accepts]: Start accepts. Automaton has 18560 states and 24228 transitions. Word has length 196 [2023-04-03 07:26:23,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:23,248 INFO L495 AbstractCegarLoop]: Abstraction has 18560 states and 24228 transitions. [2023-04-03 07:26:23,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 07:26:23,248 INFO L276 IsEmpty]: Start isEmpty. Operand 18560 states and 24228 transitions. [2023-04-03 07:26:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-04-03 07:26:23,251 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:23,251 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 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] [2023-04-03 07:26:23,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 07:26:23,251 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:23,252 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:23,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1645873944, now seen corresponding path program 1 times [2023-04-03 07:26:23,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:23,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97521494] [2023-04-03 07:26:23,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:23,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:23,751 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2023-04-03 07:26:23,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:23,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97521494] [2023-04-03 07:26:23,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97521494] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:23,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:23,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:23,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515338788] [2023-04-03 07:26:23,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:23,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:23,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:23,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:23,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:23,755 INFO L87 Difference]: Start difference. First operand 18560 states and 24228 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:26:25,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:25,700 INFO L93 Difference]: Finished difference Result 18566 states and 24233 transitions. [2023-04-03 07:26:25,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:25,700 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 201 [2023-04-03 07:26:25,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:25,759 INFO L225 Difference]: With dead ends: 18566 [2023-04-03 07:26:25,760 INFO L226 Difference]: Without dead ends: 18564 [2023-04-03 07:26:25,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:26:25,769 INFO L413 NwaCegarLoop]: 2066 mSDtfsCounter, 2309 mSDsluCounter, 4114 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2319 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:25,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2319 Valid, 6180 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 07:26:25,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18564 states. [2023-04-03 07:26:26,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18564 to 18564. [2023-04-03 07:26:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18564 states, 10529 states have (on average 1.1870073131351506) internal successors, (12498), 10867 states have internal predecessors, (12498), 5295 states have call successors, (5295), 2713 states have call predecessors, (5295), 2737 states have return successors, (6438), 5117 states have call predecessors, (6438), 5291 states have call successors, (6438) [2023-04-03 07:26:26,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18564 states to 18564 states and 24231 transitions. [2023-04-03 07:26:26,769 INFO L78 Accepts]: Start accepts. Automaton has 18564 states and 24231 transitions. Word has length 201 [2023-04-03 07:26:26,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:26,770 INFO L495 AbstractCegarLoop]: Abstraction has 18564 states and 24231 transitions. [2023-04-03 07:26:26,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:26:26,770 INFO L276 IsEmpty]: Start isEmpty. Operand 18564 states and 24231 transitions. [2023-04-03 07:26:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-04-03 07:26:26,773 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:26,773 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 3, 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] [2023-04-03 07:26:26,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 07:26:26,774 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:26,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:26,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1742158096, now seen corresponding path program 1 times [2023-04-03 07:26:26,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:26,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761934539] [2023-04-03 07:26:26,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:26,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:27,140 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2023-04-03 07:26:27,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:27,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761934539] [2023-04-03 07:26:27,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761934539] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:27,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:27,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:27,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016935593] [2023-04-03 07:26:27,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:27,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:27,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:27,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:27,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:27,143 INFO L87 Difference]: Start difference. First operand 18564 states and 24231 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 07:26:28,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:28,779 INFO L93 Difference]: Finished difference Result 18570 states and 24236 transitions. [2023-04-03 07:26:28,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:28,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 206 [2023-04-03 07:26:28,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:28,847 INFO L225 Difference]: With dead ends: 18570 [2023-04-03 07:26:28,848 INFO L226 Difference]: Without dead ends: 18568 [2023-04-03 07:26:28,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:26:28,859 INFO L413 NwaCegarLoop]: 2066 mSDtfsCounter, 2309 mSDsluCounter, 4114 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2318 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:28,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2318 Valid, 6180 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-03 07:26:28,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18568 states. [2023-04-03 07:26:29,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18568 to 18568. [2023-04-03 07:26:29,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18568 states, 10532 states have (on average 1.1869540448157994) internal successors, (12501), 10870 states have internal predecessors, (12501), 5295 states have call successors, (5295), 2714 states have call predecessors, (5295), 2738 states have return successors, (6438), 5117 states have call predecessors, (6438), 5291 states have call successors, (6438) [2023-04-03 07:26:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18568 states to 18568 states and 24234 transitions. [2023-04-03 07:26:29,729 INFO L78 Accepts]: Start accepts. Automaton has 18568 states and 24234 transitions. Word has length 206 [2023-04-03 07:26:29,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:29,730 INFO L495 AbstractCegarLoop]: Abstraction has 18568 states and 24234 transitions. [2023-04-03 07:26:29,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 07:26:29,730 INFO L276 IsEmpty]: Start isEmpty. Operand 18568 states and 24234 transitions. [2023-04-03 07:26:29,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-04-03 07:26:29,733 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:29,733 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:29,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 07:26:29,733 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:29,733 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:29,734 INFO L85 PathProgramCache]: Analyzing trace with hash 2054120872, now seen corresponding path program 1 times [2023-04-03 07:26:29,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:29,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749216820] [2023-04-03 07:26:29,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:29,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:30,189 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-04-03 07:26:30,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:30,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749216820] [2023-04-03 07:26:30,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749216820] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:30,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:30,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:30,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100543904] [2023-04-03 07:26:30,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:30,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:30,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:30,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:30,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:30,192 INFO L87 Difference]: Start difference. First operand 18568 states and 24234 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 07:26:31,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:31,986 INFO L93 Difference]: Finished difference Result 18574 states and 24239 transitions. [2023-04-03 07:26:31,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:31,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 211 [2023-04-03 07:26:31,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:32,064 INFO L225 Difference]: With dead ends: 18574 [2023-04-03 07:26:32,064 INFO L226 Difference]: Without dead ends: 18572 [2023-04-03 07:26:32,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:26:32,081 INFO L413 NwaCegarLoop]: 2066 mSDtfsCounter, 2309 mSDsluCounter, 4114 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2317 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:32,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2317 Valid, 6180 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 07:26:32,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18572 states. [2023-04-03 07:26:32,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18572 to 18572. [2023-04-03 07:26:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18572 states, 10535 states have (on average 1.1869008068343616) internal successors, (12504), 10873 states have internal predecessors, (12504), 5295 states have call successors, (5295), 2715 states have call predecessors, (5295), 2739 states have return successors, (6438), 5117 states have call predecessors, (6438), 5291 states have call successors, (6438) [2023-04-03 07:26:33,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18572 states to 18572 states and 24237 transitions. [2023-04-03 07:26:33,030 INFO L78 Accepts]: Start accepts. Automaton has 18572 states and 24237 transitions. Word has length 211 [2023-04-03 07:26:33,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:33,031 INFO L495 AbstractCegarLoop]: Abstraction has 18572 states and 24237 transitions. [2023-04-03 07:26:33,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 07:26:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 18572 states and 24237 transitions. [2023-04-03 07:26:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-04-03 07:26:33,034 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:33,034 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:33,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 07:26:33,035 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:33,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:33,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1603301328, now seen corresponding path program 1 times [2023-04-03 07:26:33,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:33,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786970669] [2023-04-03 07:26:33,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:33,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:33,368 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2023-04-03 07:26:33,369 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:33,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786970669] [2023-04-03 07:26:33,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786970669] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:33,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:33,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:33,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810793015] [2023-04-03 07:26:33,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:33,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:33,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:33,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:33,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:33,371 INFO L87 Difference]: Start difference. First operand 18572 states and 24237 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 07:26:34,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:34,830 INFO L93 Difference]: Finished difference Result 18578 states and 24242 transitions. [2023-04-03 07:26:34,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:34,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 216 [2023-04-03 07:26:34,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:34,887 INFO L225 Difference]: With dead ends: 18578 [2023-04-03 07:26:34,887 INFO L226 Difference]: Without dead ends: 18576 [2023-04-03 07:26:34,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:26:34,899 INFO L413 NwaCegarLoop]: 2066 mSDtfsCounter, 2309 mSDsluCounter, 4114 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2316 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:34,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2316 Valid, 6180 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 07:26:34,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18576 states. [2023-04-03 07:26:35,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18576 to 18576. [2023-04-03 07:26:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18576 states, 10538 states have (on average 1.186847599164927) internal successors, (12507), 10876 states have internal predecessors, (12507), 5295 states have call successors, (5295), 2716 states have call predecessors, (5295), 2740 states have return successors, (6438), 5117 states have call predecessors, (6438), 5291 states have call successors, (6438) [2023-04-03 07:26:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18576 states to 18576 states and 24240 transitions. [2023-04-03 07:26:35,960 INFO L78 Accepts]: Start accepts. Automaton has 18576 states and 24240 transitions. Word has length 216 [2023-04-03 07:26:35,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:35,961 INFO L495 AbstractCegarLoop]: Abstraction has 18576 states and 24240 transitions. [2023-04-03 07:26:35,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 07:26:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 18576 states and 24240 transitions. [2023-04-03 07:26:35,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-04-03 07:26:35,964 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:35,966 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 6, 5, 5, 4, 4, 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] [2023-04-03 07:26:35,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 07:26:35,966 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:35,967 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:35,967 INFO L85 PathProgramCache]: Analyzing trace with hash -605776280, now seen corresponding path program 1 times [2023-04-03 07:26:35,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:35,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12612260] [2023-04-03 07:26:35,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:35,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:36,472 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2023-04-03 07:26:36,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:36,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12612260] [2023-04-03 07:26:36,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12612260] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:36,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:36,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:36,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274858165] [2023-04-03 07:26:36,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:36,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:36,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:36,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:36,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:36,474 INFO L87 Difference]: Start difference. First operand 18576 states and 24240 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 07:26:38,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:38,146 INFO L93 Difference]: Finished difference Result 18582 states and 24245 transitions. [2023-04-03 07:26:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:38,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 221 [2023-04-03 07:26:38,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:38,206 INFO L225 Difference]: With dead ends: 18582 [2023-04-03 07:26:38,207 INFO L226 Difference]: Without dead ends: 18580 [2023-04-03 07:26:38,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:26:38,221 INFO L413 NwaCegarLoop]: 2066 mSDtfsCounter, 2309 mSDsluCounter, 4114 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2315 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:38,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2315 Valid, 6180 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 07:26:38,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18580 states. [2023-04-03 07:26:39,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18580 to 18580. [2023-04-03 07:26:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18580 states, 10541 states have (on average 1.1867944217816147) internal successors, (12510), 10879 states have internal predecessors, (12510), 5295 states have call successors, (5295), 2717 states have call predecessors, (5295), 2741 states have return successors, (6438), 5117 states have call predecessors, (6438), 5291 states have call successors, (6438) [2023-04-03 07:26:39,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18580 states to 18580 states and 24243 transitions. [2023-04-03 07:26:39,302 INFO L78 Accepts]: Start accepts. Automaton has 18580 states and 24243 transitions. Word has length 221 [2023-04-03 07:26:39,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:39,303 INFO L495 AbstractCegarLoop]: Abstraction has 18580 states and 24243 transitions. [2023-04-03 07:26:39,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 07:26:39,303 INFO L276 IsEmpty]: Start isEmpty. Operand 18580 states and 24243 transitions. [2023-04-03 07:26:39,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-04-03 07:26:39,305 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:39,305 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 7, 6, 6, 4, 4, 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] [2023-04-03 07:26:39,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 07:26:39,306 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:39,306 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:39,306 INFO L85 PathProgramCache]: Analyzing trace with hash -810162544, now seen corresponding path program 1 times [2023-04-03 07:26:39,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:39,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260575771] [2023-04-03 07:26:39,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:39,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2023-04-03 07:26:39,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:39,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260575771] [2023-04-03 07:26:39,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260575771] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:39,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:39,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:39,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786457029] [2023-04-03 07:26:39,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:39,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:39,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:39,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:39,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:39,872 INFO L87 Difference]: Start difference. First operand 18580 states and 24243 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 07:26:41,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:41,485 INFO L93 Difference]: Finished difference Result 19136 states and 24761 transitions. [2023-04-03 07:26:41,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:41,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 226 [2023-04-03 07:26:41,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:41,543 INFO L225 Difference]: With dead ends: 19136 [2023-04-03 07:26:41,543 INFO L226 Difference]: Without dead ends: 19134 [2023-04-03 07:26:41,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:26:41,555 INFO L413 NwaCegarLoop]: 2079 mSDtfsCounter, 2064 mSDsluCounter, 4406 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2069 SdHoareTripleChecker+Valid, 6485 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:41,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2069 Valid, 6485 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 07:26:41,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19134 states. [2023-04-03 07:26:42,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19134 to 19134. [2023-04-03 07:26:42,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19134 states, 10829 states have (on average 1.182934712346477) internal successors, (12810), 11179 states have internal predecessors, (12810), 5403 states have call successors, (5403), 2875 states have call predecessors, (5403), 2899 states have return successors, (6546), 5225 states have call predecessors, (6546), 5399 states have call successors, (6546) [2023-04-03 07:26:42,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19134 states to 19134 states and 24759 transitions. [2023-04-03 07:26:42,781 INFO L78 Accepts]: Start accepts. Automaton has 19134 states and 24759 transitions. Word has length 226 [2023-04-03 07:26:42,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:42,781 INFO L495 AbstractCegarLoop]: Abstraction has 19134 states and 24759 transitions. [2023-04-03 07:26:42,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 07:26:42,782 INFO L276 IsEmpty]: Start isEmpty. Operand 19134 states and 24759 transitions. [2023-04-03 07:26:42,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-04-03 07:26:42,785 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:42,785 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 8, 7, 7, 4, 4, 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] [2023-04-03 07:26:42,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 07:26:42,786 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:42,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:42,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1586857768, now seen corresponding path program 1 times [2023-04-03 07:26:42,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:42,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086997998] [2023-04-03 07:26:42,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:42,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2023-04-03 07:26:43,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:43,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086997998] [2023-04-03 07:26:43,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086997998] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:43,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:43,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:43,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047120276] [2023-04-03 07:26:43,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:43,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:43,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:43,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:43,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:43,237 INFO L87 Difference]: Start difference. First operand 19134 states and 24759 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 07:26:45,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:45,143 INFO L93 Difference]: Finished difference Result 19140 states and 24764 transitions. [2023-04-03 07:26:45,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:45,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 231 [2023-04-03 07:26:45,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:45,187 INFO L225 Difference]: With dead ends: 19140 [2023-04-03 07:26:45,187 INFO L226 Difference]: Without dead ends: 19138 [2023-04-03 07:26:45,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:26:45,194 INFO L413 NwaCegarLoop]: 2066 mSDtfsCounter, 2309 mSDsluCounter, 4114 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2313 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:45,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2313 Valid, 6180 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-03 07:26:45,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19138 states. [2023-04-03 07:26:46,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19138 to 19138. [2023-04-03 07:26:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19138 states, 10832 states have (on average 1.182884047267356) internal successors, (12813), 11182 states have internal predecessors, (12813), 5403 states have call successors, (5403), 2876 states have call predecessors, (5403), 2900 states have return successors, (6546), 5225 states have call predecessors, (6546), 5399 states have call successors, (6546) [2023-04-03 07:26:46,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19138 states to 19138 states and 24762 transitions. [2023-04-03 07:26:46,314 INFO L78 Accepts]: Start accepts. Automaton has 19138 states and 24762 transitions. Word has length 231 [2023-04-03 07:26:46,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:46,314 INFO L495 AbstractCegarLoop]: Abstraction has 19138 states and 24762 transitions. [2023-04-03 07:26:46,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 07:26:46,315 INFO L276 IsEmpty]: Start isEmpty. Operand 19138 states and 24762 transitions. [2023-04-03 07:26:46,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-04-03 07:26:46,317 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:46,318 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 9, 8, 8, 6, 6, 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] [2023-04-03 07:26:46,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 07:26:46,318 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:46,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:46,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1177519829, now seen corresponding path program 1 times [2023-04-03 07:26:46,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:46,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906133166] [2023-04-03 07:26:46,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:46,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:46,692 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2023-04-03 07:26:46,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:46,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906133166] [2023-04-03 07:26:46,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906133166] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:46,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:46,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:46,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426210074] [2023-04-03 07:26:46,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:46,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:46,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:46,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:46,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:46,695 INFO L87 Difference]: Start difference. First operand 19138 states and 24762 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-03 07:26:48,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:48,461 INFO L93 Difference]: Finished difference Result 19144 states and 24767 transitions. [2023-04-03 07:26:48,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:48,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 268 [2023-04-03 07:26:48,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:48,516 INFO L225 Difference]: With dead ends: 19144 [2023-04-03 07:26:48,516 INFO L226 Difference]: Without dead ends: 19142 [2023-04-03 07:26:48,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:26:48,525 INFO L413 NwaCegarLoop]: 2066 mSDtfsCounter, 2308 mSDsluCounter, 4114 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:48,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2311 Valid, 6180 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 07:26:48,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19142 states. [2023-04-03 07:26:49,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19142 to 19142. [2023-04-03 07:26:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19142 states, 10835 states have (on average 1.1828334102445777) internal successors, (12816), 11185 states have internal predecessors, (12816), 5403 states have call successors, (5403), 2877 states have call predecessors, (5403), 2901 states have return successors, (6546), 5225 states have call predecessors, (6546), 5399 states have call successors, (6546) [2023-04-03 07:26:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19142 states to 19142 states and 24765 transitions. [2023-04-03 07:26:49,711 INFO L78 Accepts]: Start accepts. Automaton has 19142 states and 24765 transitions. Word has length 268 [2023-04-03 07:26:49,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:49,711 INFO L495 AbstractCegarLoop]: Abstraction has 19142 states and 24765 transitions. [2023-04-03 07:26:49,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-03 07:26:49,712 INFO L276 IsEmpty]: Start isEmpty. Operand 19142 states and 24765 transitions. [2023-04-03 07:26:49,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-04-03 07:26:49,715 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:49,715 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 10, 9, 9, 4, 4, 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] [2023-04-03 07:26:49,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 07:26:49,715 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:49,715 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:49,716 INFO L85 PathProgramCache]: Analyzing trace with hash 2060597224, now seen corresponding path program 1 times [2023-04-03 07:26:49,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:49,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151462254] [2023-04-03 07:26:49,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:49,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-04-03 07:26:50,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:50,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151462254] [2023-04-03 07:26:50,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151462254] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:50,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:50,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:50,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062634055] [2023-04-03 07:26:50,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:50,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:50,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:50,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:50,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:50,059 INFO L87 Difference]: Start difference. First operand 19142 states and 24765 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-03 07:26:51,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:51,888 INFO L93 Difference]: Finished difference Result 19148 states and 24770 transitions. [2023-04-03 07:26:51,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:51,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 241 [2023-04-03 07:26:51,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:51,967 INFO L225 Difference]: With dead ends: 19148 [2023-04-03 07:26:51,967 INFO L226 Difference]: Without dead ends: 19146 [2023-04-03 07:26:51,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:26:51,983 INFO L413 NwaCegarLoop]: 2066 mSDtfsCounter, 2309 mSDsluCounter, 4114 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:51,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2311 Valid, 6180 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 07:26:52,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19146 states. [2023-04-03 07:26:53,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19146 to 19146. [2023-04-03 07:26:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19146 states, 10838 states have (on average 1.182782801254844) internal successors, (12819), 11188 states have internal predecessors, (12819), 5403 states have call successors, (5403), 2878 states have call predecessors, (5403), 2902 states have return successors, (6546), 5225 states have call predecessors, (6546), 5399 states have call successors, (6546) [2023-04-03 07:26:53,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19146 states to 19146 states and 24768 transitions. [2023-04-03 07:26:53,320 INFO L78 Accepts]: Start accepts. Automaton has 19146 states and 24768 transitions. Word has length 241 [2023-04-03 07:26:53,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:53,320 INFO L495 AbstractCegarLoop]: Abstraction has 19146 states and 24768 transitions. [2023-04-03 07:26:53,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-03 07:26:53,320 INFO L276 IsEmpty]: Start isEmpty. Operand 19146 states and 24768 transitions. [2023-04-03 07:26:53,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-04-03 07:26:53,323 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:53,324 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 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] [2023-04-03 07:26:53,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 07:26:53,324 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:53,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:53,325 INFO L85 PathProgramCache]: Analyzing trace with hash 335909904, now seen corresponding path program 1 times [2023-04-03 07:26:53,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:53,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433041091] [2023-04-03 07:26:53,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:53,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2023-04-03 07:26:53,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:53,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433041091] [2023-04-03 07:26:53,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433041091] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:53,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:53,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:53,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32964888] [2023-04-03 07:26:53,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:53,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:53,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:53,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:53,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:53,706 INFO L87 Difference]: Start difference. First operand 19146 states and 24768 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 07:26:55,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:55,888 INFO L93 Difference]: Finished difference Result 19152 states and 24773 transitions. [2023-04-03 07:26:55,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:55,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 246 [2023-04-03 07:26:55,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:55,945 INFO L225 Difference]: With dead ends: 19152 [2023-04-03 07:26:55,945 INFO L226 Difference]: Without dead ends: 19148 [2023-04-03 07:26:55,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:26:55,956 INFO L413 NwaCegarLoop]: 2066 mSDtfsCounter, 2309 mSDsluCounter, 4114 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2310 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:55,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2310 Valid, 6180 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 07:26:55,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19148 states. [2023-04-03 07:26:57,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19148 to 19148. [2023-04-03 07:26:57,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19148 states, 10840 states have (on average 1.1826568265682658) internal successors, (12820), 11189 states have internal predecessors, (12820), 5403 states have call successors, (5403), 2879 states have call predecessors, (5403), 2902 states have return successors, (6546), 5225 states have call predecessors, (6546), 5399 states have call successors, (6546) [2023-04-03 07:26:57,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19148 states to 19148 states and 24769 transitions. [2023-04-03 07:26:57,248 INFO L78 Accepts]: Start accepts. Automaton has 19148 states and 24769 transitions. Word has length 246 [2023-04-03 07:26:57,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:57,249 INFO L495 AbstractCegarLoop]: Abstraction has 19148 states and 24769 transitions. [2023-04-03 07:26:57,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 07:26:57,249 INFO L276 IsEmpty]: Start isEmpty. Operand 19148 states and 24769 transitions. [2023-04-03 07:26:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-04-03 07:26:57,252 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:57,252 INFO L195 NwaCegarLoop]: trace histogram [15, 10, 10, 10, 10, 10, 10, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:57,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 07:26:57,253 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 07:26:57,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:57,253 INFO L85 PathProgramCache]: Analyzing trace with hash -119240358, now seen corresponding path program 1 times [2023-04-03 07:26:57,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:57,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256236162] [2023-04-03 07:26:57,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:57,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:57,554 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2023-04-03 07:26:57,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:57,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256236162] [2023-04-03 07:26:57,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256236162] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:57,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:57,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:57,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174652108] [2023-04-03 07:26:57,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:57,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:57,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:57,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:57,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:57,556 INFO L87 Difference]: Start difference. First operand 19148 states and 24769 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 4 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2023-04-03 07:27:10,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:10,555 INFO L93 Difference]: Finished difference Result 46205 states and 60013 transitions. [2023-04-03 07:27:10,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 07:27:10,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 4 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) Word has length 250 [2023-04-03 07:27:10,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:10,648 INFO L225 Difference]: With dead ends: 46205 [2023-04-03 07:27:10,648 INFO L226 Difference]: Without dead ends: 27166 [2023-04-03 07:27:10,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:27:10,707 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 2881 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 10939 mSolverCounterSat, 1124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3406 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 12063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1124 IncrementalHoareTripleChecker+Valid, 10939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:10,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3406 Valid, 394 Invalid, 12063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1124 Valid, 10939 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2023-04-03 07:27:10,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27166 states. [2023-04-03 07:27:12,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27166 to 26949. [2023-04-03 07:27:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26949 states, 15336 states have (on average 1.1853155972874283) internal successors, (18178), 15807 states have internal predecessors, (18178), 7590 states have call successors, (7590), 4048 states have call predecessors, (7590), 4020 states have return successors, (9212), 7300 states have call predecessors, (9212), 7586 states have call successors, (9212) [2023-04-03 07:27:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26949 states to 26949 states and 34980 transitions. [2023-04-03 07:27:12,737 INFO L78 Accepts]: Start accepts. Automaton has 26949 states and 34980 transitions. Word has length 250 [2023-04-03 07:27:12,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:12,738 INFO L495 AbstractCegarLoop]: Abstraction has 26949 states and 34980 transitions. [2023-04-03 07:27:12,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 4 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2023-04-03 07:27:12,738 INFO L276 IsEmpty]: Start isEmpty. Operand 26949 states and 34980 transitions. [2023-04-03 07:27:12,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-04-03 07:27:12,740 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:12,740 INFO L195 NwaCegarLoop]: trace histogram [14, 12, 11, 11, 10, 10, 10, 10, 10, 10, 4, 4, 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] [2023-04-03 07:27:12,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-03 07:27:12,740 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:27:12,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:12,741 INFO L85 PathProgramCache]: Analyzing trace with hash -2064996184, now seen corresponding path program 1 times [2023-04-03 07:27:12,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:12,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689877035] [2023-04-03 07:27:12,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:12,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:13,095 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-04-03 07:27:13,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:13,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689877035] [2023-04-03 07:27:13,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689877035] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:27:13,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:27:13,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:27:13,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102774604] [2023-04-03 07:27:13,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:13,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:27:13,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:13,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:27:13,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:27:13,098 INFO L87 Difference]: Start difference. First operand 26949 states and 34980 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-03 07:27:15,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:15,826 INFO L93 Difference]: Finished difference Result 26949 states and 34980 transitions. [2023-04-03 07:27:15,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:27:15,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 251 [2023-04-03 07:27:15,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:16,069 INFO L225 Difference]: With dead ends: 26949 [2023-04-03 07:27:16,069 INFO L226 Difference]: Without dead ends: 26308 [2023-04-03 07:27:16,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:27:16,080 INFO L413 NwaCegarLoop]: 2064 mSDtfsCounter, 2305 mSDsluCounter, 4113 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2305 SdHoareTripleChecker+Valid, 6177 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:16,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2305 Valid, 6177 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 07:27:16,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26308 states. [2023-04-03 07:27:17,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26308 to 26308. [2023-04-03 07:27:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26308 states, 15090 states have (on average 1.1851557322730284) internal successors, (17884), 15513 states have internal predecessors, (17884), 7328 states have call successors, (7328), 3882 states have call predecessors, (7328), 3888 states have return successors, (8953), 7119 states have call predecessors, (8953), 7327 states have call successors, (8953) [2023-04-03 07:27:18,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26308 states to 26308 states and 34165 transitions. [2023-04-03 07:27:18,025 INFO L78 Accepts]: Start accepts. Automaton has 26308 states and 34165 transitions. Word has length 251 [2023-04-03 07:27:18,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:18,025 INFO L495 AbstractCegarLoop]: Abstraction has 26308 states and 34165 transitions. [2023-04-03 07:27:18,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-03 07:27:18,025 INFO L276 IsEmpty]: Start isEmpty. Operand 26308 states and 34165 transitions. [2023-04-03 07:27:18,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-04-03 07:27:18,028 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:18,028 INFO L195 NwaCegarLoop]: trace histogram [17, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:27:18,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-03 07:27:18,028 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:27:18,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:18,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1483818243, now seen corresponding path program 1 times [2023-04-03 07:27:18,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:18,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887740894] [2023-04-03 07:27:18,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:18,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-04-03 07:27:18,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:18,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887740894] [2023-04-03 07:27:18,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887740894] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:27:18,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:27:18,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-03 07:27:18,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203826939] [2023-04-03 07:27:18,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:18,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-03 07:27:18,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:18,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-03 07:27:18,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-04-03 07:27:18,612 INFO L87 Difference]: Start difference. First operand 26308 states and 34165 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2023-04-03 07:27:24,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:24,171 INFO L93 Difference]: Finished difference Result 69970 states and 90450 transitions. [2023-04-03 07:27:24,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-03 07:27:24,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 294 [2023-04-03 07:27:24,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:24,287 INFO L225 Difference]: With dead ends: 69970 [2023-04-03 07:27:24,287 INFO L226 Difference]: Without dead ends: 43771 [2023-04-03 07:27:24,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-04-03 07:27:24,345 INFO L413 NwaCegarLoop]: 3676 mSDtfsCounter, 4201 mSDsluCounter, 2539 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4201 SdHoareTripleChecker+Valid, 6215 SdHoareTripleChecker+Invalid, 2265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:24,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4201 Valid, 6215 Invalid, 2265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2103 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-04-03 07:27:24,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43771 states. [2023-04-03 07:27:27,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43771 to 43683. [2023-04-03 07:27:27,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43683 states, 25104 states have (on average 1.1812460165710643) internal successors, (29654), 25839 states have internal predecessors, (29654), 12138 states have call successors, (12138), 6419 states have call predecessors, (12138), 6439 states have return successors, (14101), 11785 states have call predecessors, (14101), 12137 states have call successors, (14101) [2023-04-03 07:27:27,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43683 states to 43683 states and 55893 transitions. [2023-04-03 07:27:27,892 INFO L78 Accepts]: Start accepts. Automaton has 43683 states and 55893 transitions. Word has length 294 [2023-04-03 07:27:27,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:27,892 INFO L495 AbstractCegarLoop]: Abstraction has 43683 states and 55893 transitions. [2023-04-03 07:27:27,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2023-04-03 07:27:27,892 INFO L276 IsEmpty]: Start isEmpty. Operand 43683 states and 55893 transitions. [2023-04-03 07:27:27,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2023-04-03 07:27:27,896 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:27,897 INFO L195 NwaCegarLoop]: trace histogram [19, 10, 10, 10, 10, 10, 10, 7, 7, 5, 5, 5, 4, 4, 4, 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] [2023-04-03 07:27:27,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-04-03 07:27:27,897 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:27:27,897 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:27,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1015669711, now seen corresponding path program 1 times [2023-04-03 07:27:27,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:27,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015532128] [2023-04-03 07:27:27,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:27,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2023-04-03 07:27:28,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:28,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015532128] [2023-04-03 07:27:28,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015532128] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:27:28,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:27:28,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:27:28,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236600331] [2023-04-03 07:27:28,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:28,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:27:28,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:28,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:27:28,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:27:28,265 INFO L87 Difference]: Start difference. First operand 43683 states and 55893 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2023-04-03 07:27:34,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:34,609 INFO L93 Difference]: Finished difference Result 104289 states and 133156 transitions. [2023-04-03 07:27:34,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 07:27:34,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 345 [2023-04-03 07:27:34,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:34,810 INFO L225 Difference]: With dead ends: 104289 [2023-04-03 07:27:34,811 INFO L226 Difference]: Without dead ends: 60715 [2023-04-03 07:27:34,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:27:34,937 INFO L413 NwaCegarLoop]: 3643 mSDtfsCounter, 1828 mSDsluCounter, 9233 mSDsCounter, 0 mSdLazyCounter, 1740 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 12876 SdHoareTripleChecker+Invalid, 1741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:34,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1828 Valid, 12876 Invalid, 1741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1740 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-03 07:27:34,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60715 states. [2023-04-03 07:27:39,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60715 to 52207. [2023-04-03 07:27:39,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52207 states, 29933 states have (on average 1.1803360839207564) internal successors, (35331), 30842 states have internal predecessors, (35331), 14537 states have call successors, (14537), 7678 states have call predecessors, (14537), 7735 states have return successors, (16684), 14124 states have call predecessors, (16684), 14536 states have call successors, (16684) [2023-04-03 07:27:39,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52207 states to 52207 states and 66552 transitions. [2023-04-03 07:27:39,476 INFO L78 Accepts]: Start accepts. Automaton has 52207 states and 66552 transitions. Word has length 345 [2023-04-03 07:27:39,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:39,477 INFO L495 AbstractCegarLoop]: Abstraction has 52207 states and 66552 transitions. [2023-04-03 07:27:39,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2023-04-03 07:27:39,478 INFO L276 IsEmpty]: Start isEmpty. Operand 52207 states and 66552 transitions. [2023-04-03 07:27:39,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2023-04-03 07:27:39,485 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:39,485 INFO L195 NwaCegarLoop]: trace histogram [19, 10, 10, 10, 10, 10, 10, 7, 7, 5, 5, 5, 4, 4, 4, 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] [2023-04-03 07:27:39,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-04-03 07:27:39,486 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:27:39,486 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:39,486 INFO L85 PathProgramCache]: Analyzing trace with hash -353653700, now seen corresponding path program 1 times [2023-04-03 07:27:39,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:39,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539753875] [2023-04-03 07:27:39,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:39,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:40,174 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2023-04-03 07:27:40,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:40,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539753875] [2023-04-03 07:27:40,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539753875] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:27:40,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:27:40,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 07:27:40,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663828918] [2023-04-03 07:27:40,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:40,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 07:27:40,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:40,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 07:27:40,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-03 07:27:40,178 INFO L87 Difference]: Start difference. First operand 52207 states and 66552 transitions. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2023-04-03 07:27:50,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:50,052 INFO L93 Difference]: Finished difference Result 129856 states and 164810 transitions. [2023-04-03 07:27:50,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:27:50,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 346 [2023-04-03 07:27:50,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:50,338 INFO L225 Difference]: With dead ends: 129856 [2023-04-03 07:27:50,338 INFO L226 Difference]: Without dead ends: 77758 [2023-04-03 07:27:50,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:27:50,459 INFO L413 NwaCegarLoop]: 3865 mSDtfsCounter, 4156 mSDsluCounter, 10257 mSDsCounter, 0 mSdLazyCounter, 3228 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4156 SdHoareTripleChecker+Valid, 14122 SdHoareTripleChecker+Invalid, 3309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 3228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:50,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4156 Valid, 14122 Invalid, 3309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 3228 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-04-03 07:27:50,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77758 states. [2023-04-03 07:27:56,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77758 to 69206. [2023-04-03 07:27:56,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69206 states, 39319 states have (on average 1.1719779241588035) internal successors, (46081), 40522 states have internal predecessors, (46081), 19414 states have call successors, (19414), 10422 states have call predecessors, (19414), 10471 states have return successors, (21814), 18845 states have call predecessors, (21814), 19413 states have call successors, (21814) [2023-04-03 07:27:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69206 states to 69206 states and 87309 transitions. [2023-04-03 07:27:56,434 INFO L78 Accepts]: Start accepts. Automaton has 69206 states and 87309 transitions. Word has length 346 [2023-04-03 07:27:56,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:56,435 INFO L495 AbstractCegarLoop]: Abstraction has 69206 states and 87309 transitions. [2023-04-03 07:27:56,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2023-04-03 07:27:56,435 INFO L276 IsEmpty]: Start isEmpty. Operand 69206 states and 87309 transitions. [2023-04-03 07:27:56,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2023-04-03 07:27:56,442 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:56,442 INFO L195 NwaCegarLoop]: trace histogram [19, 10, 10, 10, 10, 10, 10, 7, 7, 5, 5, 5, 4, 4, 4, 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] [2023-04-03 07:27:56,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-04-03 07:27:56,442 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:27:56,443 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:56,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1013721458, now seen corresponding path program 1 times [2023-04-03 07:27:56,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:56,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046812183] [2023-04-03 07:27:56,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:56,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:57,038 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2023-04-03 07:27:57,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:57,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046812183] [2023-04-03 07:27:57,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046812183] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:27:57,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:27:57,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 07:27:57,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583479762] [2023-04-03 07:27:57,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:57,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 07:27:57,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:57,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 07:27:57,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-03 07:27:57,042 INFO L87 Difference]: Start difference. First operand 69206 states and 87309 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2023-04-03 07:28:07,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:28:07,468 INFO L93 Difference]: Finished difference Result 163890 states and 206408 transitions. [2023-04-03 07:28:07,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:28:07,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 347 [2023-04-03 07:28:07,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:28:07,992 INFO L225 Difference]: With dead ends: 163890 [2023-04-03 07:28:07,993 INFO L226 Difference]: Without dead ends: 94793 [2023-04-03 07:28:08,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:28:08,151 INFO L413 NwaCegarLoop]: 3325 mSDtfsCounter, 4123 mSDsluCounter, 9289 mSDsCounter, 0 mSdLazyCounter, 3034 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 12614 SdHoareTripleChecker+Invalid, 3087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 3034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:28:08,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4123 Valid, 12614 Invalid, 3087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 3034 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-04-03 07:28:08,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94793 states. [2023-04-03 07:28:15,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94793 to 86241. [2023-04-03 07:28:15,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86241 states, 48741 states have (on average 1.1667179581871525) internal successors, (56867), 50238 states have internal predecessors, (56867), 24291 states have call successors, (24291), 13166 states have call predecessors, (24291), 13207 states have return successors, (26944), 23566 states have call predecessors, (26944), 24290 states have call successors, (26944) [2023-04-03 07:28:16,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86241 states to 86241 states and 108102 transitions. [2023-04-03 07:28:16,068 INFO L78 Accepts]: Start accepts. Automaton has 86241 states and 108102 transitions. Word has length 347 [2023-04-03 07:28:16,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:28:16,069 INFO L495 AbstractCegarLoop]: Abstraction has 86241 states and 108102 transitions. [2023-04-03 07:28:16,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2023-04-03 07:28:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 86241 states and 108102 transitions. [2023-04-03 07:28:16,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2023-04-03 07:28:16,075 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:28:16,075 INFO L195 NwaCegarLoop]: trace histogram [19, 10, 10, 10, 10, 10, 10, 7, 7, 5, 5, 5, 4, 4, 4, 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] [2023-04-03 07:28:16,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-04-03 07:28:16,075 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:28:16,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:28:16,076 INFO L85 PathProgramCache]: Analyzing trace with hash -917552376, now seen corresponding path program 1 times [2023-04-03 07:28:16,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:28:16,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979485835] [2023-04-03 07:28:16,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:28:16,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:28:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:28:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2023-04-03 07:28:16,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:28:16,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979485835] [2023-04-03 07:28:16,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979485835] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:28:16,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:28:16,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 07:28:16,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623542871] [2023-04-03 07:28:16,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:28:16,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 07:28:16,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:28:16,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 07:28:16,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-03 07:28:16,846 INFO L87 Difference]: Start difference. First operand 86241 states and 108102 transitions. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 5 states have internal predecessors, (140), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46)